--[[
	Author: Dennis Werner Garske (DWG) / brian / Mewtiny
	License: MIT License
]]
local _G = _G or getfenv(0)
local CleveRoids = _G.CleveRoids or {}

--This table maps stat keys to the functions that retrieve their values.
local stat_checks = {
    -- Base Stats (Corrected to use the 'effective' stat with gear)
    str = function() local _, effective = UnitStat("player", 1); return effective end,
    strength = function() local _, effective = UnitStat("player", 1); return effective end,
    agi = function() local _, effective = UnitStat("player", 2); return effective end,
    agility = function() local _, effective = UnitStat("player", 2); return effective end,
    stam = function() local _, effective = UnitStat("player", 3); return effective end,
    stamina = function() local _, effective = UnitStat("player", 3); return effective end,
    int = function() local _, effective = UnitStat("player", 4); return effective end,
    intellect = function() local _, effective = UnitStat("player", 4); return effective end,
    spi = function() local _, effective = UnitStat("player", 5); return effective end,
    spirit = function() local _, effective = UnitStat("player", 5); return effective end,

    -- Combat Ratings (Corrected to use UnitAttackPower and UnitRangedAttackPower)
    ap = function() local base, pos, neg = UnitAttackPower("player"); return base + pos + neg end,
    attackpower = function() local base, pos, neg = UnitAttackPower("player"); return base + pos + neg end,
    rap = function() local base, pos, neg = UnitRangedAttackPower("player"); return base + pos + neg end,
    rangedattackpower = function() local base, pos, neg = UnitRangedAttackPower("player"); return base + pos + neg end,
    healing = function() return GetBonusHealing() end,
    healingpower = function() return GetBonusHealing() end,

    -- Bonus Spell Damage by School
    arcane_power = function() return GetSpellBonusDamage(6) end,
    fire_power = function() return GetSpellBonusDamage(3) end,
    frost_power = function() return GetSpellBonusDamage(4) end,
    nature_power = function() return GetSpellBonusDamage(2) end,
    shadow_power = function() return GetSpellBonusDamage(5) end,

    -- Defensive Stats
    armor = function() local _, effective = UnitArmor("player"); return effective end,
    defense = function() return GetDefense() end,

    -- Resistances
    arcane_res = function() local _, val = UnitResistance("player", 7); return val end,
    fire_res = function() local _, val = UnitResistance("player", 3); return val end,
    frost_res = function() local _, val = UnitResistance("player", 5); return val end,
    nature_res = function() local _, val = UnitResistance("player", 4); return val end,
    shadow_res = function() local _, val = UnitResistance("player", 6); return val end
}

local function And(t,func)
    if type(func) ~= "function" then return false end
    if type(t) ~= "table" then
        t = { [1] = t }
    end
    for k,v in pairs(t) do
        if not func(v) then
            return false
        end
    end
    return true
end

local function Or(t,func)
    if type(func) ~= "function" then return false end
    if type(t) ~= "table" then
        t = { [1] = t }
    end
    for k,v in pairs(t) do
        if func(v) then
            return true
        end
    end
    return false
end


-- Validates that the given target is either friend (if [help]) or foe (if [harm])
-- target: The unit id to check
-- help: Optional. If set to 1 then the target must be friendly. If set to 0 it must be an enemy.
-- remarks: Will always return true if help is not given
-- returns: Whether or not the given target can either be attacked or supported, depending on help
function CleveRoids.CheckHelp(target, help)
    if help == nil then return true end
    if help then
        return UnitCanAssist("player", target)
    else
        return UnitCanAttack("player", target)
    end
end

-- Ensures the validity of the given target
-- target: The unit id to check
-- help: Optional. If set to 1 then the target must be friendly. If set to 0 it must be an enemy
-- returns: Whether or not the target is a viable target
function CleveRoids.IsValidTarget(target, help)
    -- If the conditional is not for @mouseover, use the existing logic.
    if target ~= "mouseover" then
        if not UnitExists(target) or not CleveRoids.CheckHelp(target, help) then
            return false
        end
        return true
    end

    -- --- START OF PATCH ---
    -- New logic to handle [@mouseover] with pfUI compatibility.

    local effectiveMouseoverUnit = "mouseover" -- Start with the default game token.

    -- Check if the default mouseover exists. If not, check pfUI's internal data,
    -- which is necessary because pfUI frames don't always update the default token.
    if not UnitExists(effectiveMouseoverUnit) then
        if pfUI and pfUI.uf and pfUI.uf.mouseover and pfUI.uf.mouseover.unit and UnitExists(pfUI.uf.mouseover.unit) then
            -- If pfUI has a valid mouseover unit recorded, use that instead.
            effectiveMouseoverUnit = pfUI.uf.mouseover.unit
        else
            -- If neither the default token nor the pfUI unit exists, there's no valid mouseover.
            return false
        end
    end
    -- --- END OF PATCH ---

    -- Finally, perform the help/harm check on the determined mouseover unit (either from the game or from pfUI).
    if not UnitExists(effectiveMouseoverUnit) or not CleveRoids.CheckHelp(effectiveMouseoverUnit, help) then
        return false
    end

    return true
end

-- Returns the current shapeshift / stance index
-- returns: The index of the current shapeshift form / stance. 0 if in no shapeshift form / stance
function CleveRoids.GetCurrentShapeshiftIndex()
    if CleveRoids.playerClass == "PRIEST" then
        return CleveRoids.ValidatePlayerBuff(CleveRoids.Localized.Spells["Shadowform"]) and 1 or 0
    elseif CleveRoids.playerClass == "ROGUE" then
        return CleveRoids.ValidatePlayerBuff(CleveRoids.Localized.Spells["Stealth"]) and 1 or 0
    end
    for i=1, GetNumShapeshiftForms() do
        _, _, active = GetShapeshiftFormInfo(i)
        if active then
            return i
        end
    end

    return 0
end

function CleveRoids.CancelAura(auraName)
	local ix = 0
    auraName = string.lower(string.gsub(auraName, "_"," "))
	while true do
		local aura_ix = GetPlayerBuff(ix,"HELPFUL")
		ix = ix + 1
		if aura_ix == -1 then break end

		if CleveRoids.hasSuperwow then
			local bid = GetPlayerBuffID(aura_ix)
			bid = (bid < -1) and (bid + 65536) or bid
			if string.lower(SpellInfo(bid)) == auraName then
				CancelPlayerBuff(aura_ix)
				return true
			end
		else
			AuraScanTooltip:SetPlayerBuff(aura_ix)
			local name = string.lower(getglobal("AuraScanTooltipTextLeft1"):GetText())
			if name == auraName then
				CancelPlayerBuff(aura_ix)
				break
			end
		end

	end
	return false
end

function CleveRoids.HasGearEquipped(gearId)
    if not gearId then return false end

    local wantId = tonumber(gearId)
    local wantName = (type(gearId) == "string") and string.lower(gearId) or nil

    for slot = 1, 19 do
        local link = GetInventoryItemLink("player", slot)
        if link then
            -- Lua 5.0: use string.find with captures
            local _, _, id = string.find(link, "item:(%d+)")
            local _, _, nameInBrackets = string.find(link, "%[(.+)%]")

            if wantId and id and tonumber(id) == wantId then
                return true
            end

            if wantName and nameInBrackets and string.lower(nameInBrackets) == wantName then
                return true
            end

            -- Fallback: resolve via GetItemInfo using the numeric id if we have it
            if wantName and not nameInBrackets and id then
                local itemName = GetItemInfo(tonumber(id)) -- may be nil if not cached
                if itemName and string.lower(itemName) == wantName then
                    return true
                end
            end
        end
    end

    return false
end


-- Checks whether or not the given weaponType is currently equipped
-- weaponType: The name of the weapon's type (e.g. Axe, Shield, etc.)
-- returns: True when equipped, otherwhise false
function CleveRoids.HasWeaponEquipped(weaponType)
    if not CleveRoids.WeaponTypeNames[weaponType] then
        return false
    end

    local slotName = CleveRoids.WeaponTypeNames[weaponType].slot
    local localizedName = CleveRoids.WeaponTypeNames[weaponType].name
    local slotId = GetInventorySlotInfo(slotName)
    local slotLink = GetInventoryItemLink("player",slotId)

    if not slotLink then
        return false
    end

    local _,_,itemId = string.find(slotLink,"item:(%d+)")
    if not itemId then -- Also good to check if itemId was found
        return false
    end
    local _name,_link,_,_lvl,_type,subtype = GetItemInfo(itemId)
    -- just had to be special huh?
    local fist = string.find(subtype,"^Fist")
    -- drops things like the One-Handed prefix
    local _,_,subtype = string.find(subtype,"%s?(%S+)$")

    if subtype == localizedName or (fist and (CleveRoids.WeaponTypeNames[weaponType].name == CleveRoids.Localized.FistWeapon)) then
        return true
    end

    return false
end

-- Checks whether or not the given UnitId is in your party or your raid
-- target: The UnitId of the target to check
-- groupType: The name of the group type your target has to be in ("party" or "raid")
-- returns: True when the given target is in the given groupType, otherwhise false
function CleveRoids.IsTargetInGroupType(target, groupType)
    local groupSize = (groupType == "raid") and 40 or 5

    for i = 1, groupSize do
        if UnitIsUnit(groupType..i, target) then
            return true
        end
    end

    return false
end

function CleveRoids.GetSpammableConditional(name)
    return CleveRoids.spamConditions[name] or "nomybuff"
end

-- Checks whether or not we're currently casting a channeled spell
function CleveRoids.CheckChanneled(channeledSpell)
    if not channeledSpell then return false end

    -- Remove the "(Rank X)" part from the spells name in order to allow downranking
    local spellName = string.gsub(CleveRoids.CurrentSpell.spellName, "%(.-%)%s*", "")
    local channeled = string.gsub(channeledSpell, "%(.-%)%s*", "")

    if CleveRoids.CurrentSpell.type == "channeled" and spellName == channeled then
        return false
    end

    if channeled == CleveRoids.Localized.Attack then
        return not CleveRoids.CurrentSpell.autoAttack
    end

    if channeled == CleveRoids.Localized.AutoShot then
        return not CleveRoids.CurrentSpell.autoShot
    end

    if channeled == CleveRoids.Localized.Shoot then
        return not CleveRoids.CurrentSpell.wand
    end

    CleveRoids.CurrentSpell.spellName = channeled
    return true
end

function CleveRoids.ValidateComboPoints(operator, amount)
    if not operator or not amount then return false end
    local points = GetComboPoints()

    if CleveRoids.operators[operator] then
        return CleveRoids.comparators[operator](points, amount)
    end

    return false
end

function CleveRoids.ValidateKnown(args)
    if not args then
        return false
    end
    if table.getn(CleveRoids.Talents) == 0 then
        CleveRoids.IndexTalents()
    end

    local effective_name_to_check
    local original_args_for_rank_check = args

    if type(args) ~= "table" then
        effective_name_to_check = args
        args = { name = args }
    else
        effective_name_to_check = args.name
    end

    local spell = CleveRoids.GetSpell(effective_name_to_check)
    local talent_points = nil

    if not spell then
        talent_points = CleveRoids.GetTalent(effective_name_to_check)
    end

    if not spell and talent_points == nil then
        return false
    end

    local arg_amount = nil
    local arg_operator = nil
    if type(original_args_for_rank_check) == "table" then
        arg_amount = original_args_for_rank_check.amount
        arg_operator = original_args_for_rank_check.operator
    end

    if spell then
        local spell_rank_str = spell.rank or (spell.highest and spell.highest.rank) or ""
        -- FLEXIBLY extract just the number from the rank string
        local _, _, spell_rank_num_str = string.find(spell_rank_str, "(%d+)")

        if not arg_amount and not arg_operator then
            return true
        elseif arg_amount and arg_operator and CleveRoids.operators[arg_operator] and spell_rank_num_str and spell_rank_num_str ~= "" then
            local numeric_rank = tonumber(spell_rank_num_str)
            if numeric_rank then
                return CleveRoids.comparators[arg_operator](numeric_rank, arg_amount)
            else
                return false
            end
        else
            return false
        end
    elseif talent_points ~= nil then
        if not arg_amount and not arg_operator then
            return talent_points > 0
        elseif arg_amount and arg_operator and CleveRoids.operators[arg_operator] then
            return CleveRoids.comparators[arg_operator](talent_points, arg_amount)
        else
            return false
        end
    end

    return false
end

function CleveRoids.ValidateResting()
    return IsResting()
end


-- TODO: refactor numeric comparisons...

-- Checks whether or not the given unit has power in percent vs the given amount
-- unit: The unit we're checking
-- operator: valid comparitive operator symbol
-- amount: The required amount
-- returns: True or false
function CleveRoids.ValidatePower(unit, operator, amount)
    if not unit or not operator or not amount then return false end
    local powerPercent = 100 / UnitManaMax(unit) * UnitMana(unit)

    if CleveRoids.operators[operator] then
        return CleveRoids.comparators[operator](powerPercent, amount)
    end

    return false
end

-- Checks whether or not the given unit has current power vs the given amount
-- unit: The unit we're checking
-- operator: valid comparitive operator symbol
-- amount: The required amount
-- returns: True or false
function CleveRoids.ValidateRawPower(unit, operator, amount)
    if not unit or not operator or not amount then return false end
    local power = UnitMana(unit)

    if CleveRoids.operators[operator] then
        return CleveRoids.comparators[operator](power, amount)
    end

    return false
end

-- Checks whether or not the given unit has a power deficit vs the amount specified
-- unit: The unit we're checking
-- operator: valid comparitive operator symbol
-- amount: The required amount
-- returns: True or false
function CleveRoids.ValidatePowerLost(unit, operator, amount)
    if not unit or not operator or not amount then return false end
    local powerLost = UnitManaMax(unit) - UnitMana(unit)

    if CleveRoids.operators[operator] then
        return CleveRoids.comparators[operator](powerLost, amount)
    end

    return false
end

-- Checks whether or not the given unit has hp in percent vs the given amount
-- unit: The unit we're checking
-- operator: valid comparitive operator symbol
-- amount: The required amount
-- returns: True or false
function CleveRoids.ValidateHp(unit, operator, amount)
    if not unit or not operator or not amount then return false end
    local hpPercent = 100 / UnitHealthMax(unit) * UnitHealth(unit)

    if CleveRoids.operators[operator] then
        return CleveRoids.comparators[operator](hpPercent, amount)
    end

    return false
end

-- Checks whether or not the given unit has hp vs the given amount
-- unit: The unit we're checking
-- operator: valid comparitive operator symbol
-- amount: The required amount
-- returns: True or false
function CleveRoids.ValidateRawHp(unit, operator, amount)
    if not unit or not operator or not amount then return false end
    local rawhp = UnitHealth(unit)

    if CleveRoids.operators[operator] then
        return CleveRoids.comparators[operator](rawhp, amount)
    end

    return false
end

-- Checks whether or not the given unit has an hp deficit vs the amount specified
-- unit: The unit we're checking
-- operator: valid comparitive operator symbol
-- amount: The required amount
-- returns: True or false
function CleveRoids.ValidateHpLost(unit, operator, amount)
    if not unit or not operator or not amount then return false end
    local hpLost = UnitHealthMax(unit) - UnitHealth(unit)

    if CleveRoids.operators[operator] then
        return CleveRoids.comparators[operator](hpLost, amount)
    end

    return false
end

-- Checks whether the given creatureType is the same as the target's creature type
-- creatureType: The type to check
-- target: The target's unitID
-- returns: True or false
-- remarks: Allows for both localized and unlocalized type names
function CleveRoids.ValidateCreatureType(creatureType, target)
    if not target then return false end
    local targetType = UnitCreatureType(target)
    if not targetType then return false end -- ooze or silithid etc
    local ct = string.lower(creatureType)
    local cl = UnitClassification(target)
    if (ct == "boss" and "worldboss" or ct) == cl then
        return true
    end
    if string.lower(creatureType) == "boss" then creatureType = "worldboss" end
    local englishType = CleveRoids.Localized.CreatureTypes[targetType]
    return ct == string.lower(targetType) or creatureType == englishType
end

-- TODO: Look into https://github.com/Stanzilla/WoWUIBugs/issues/47 if needed
function CleveRoids.ValidateCooldown(args, ignoreGCD)
    if not args then return false end
    if type(args) ~= "table" then
        args = {name = args}
    end

    local expires = CleveRoids.GetCooldown(args.name, ignoreGCD)

    if not args.operator and not args.amount then
        return expires > 0
    elseif CleveRoids.operators[args.operator] then
        return CleveRoids.comparators[args.operator](expires - GetTime(), args.amount)
    end
end

function CleveRoids.GetPlayerAura(index, isbuff)
    if not index then return false end

    local buffType = isbuff and "HELPFUL" or "HARMFUL"
    local bid = GetPlayerBuff(index, buffType)
    if bid < 0 then return end

    local spellID = CleveRoids.hasSuperwow and GetPlayerBuffID(bid)

    return GetPlayerBuffTexture(bid), GetPlayerBuffApplications(bid), spellID, GetPlayerBuffTimeLeft(bid)
end

function CleveRoids.ValidateAura(unit, args, isbuff)
    if not args or not UnitExists(unit) then return false end

    if not CleveRoids.hasSuperwow then
        return false
    end

    if type(args) ~= "table" then
        args = {name = args}
    end

    local isPlayer = UnitIsUnit(unit, "player")
    local found = false
    local stacks, remaining
    local i = isPlayer and 0 or 1

    while true do
        local texture
        local current_spellID = nil

        if isPlayer then
            texture, stacks, current_spellID, remaining = CleveRoids.GetPlayerAura(i, isbuff)
        else
            local returns = isbuff and {UnitBuff(unit, i)} or {UnitDebuff(unit, i)}
            texture = returns[1]
            if texture then
                for _, value in ipairs(returns) do
                    if type(value) == "number" and SpellInfo(value) then
                        current_spellID = value
                        stacks = isbuff and returns[2] or returns[4]
                        break
                    end
                end
            end
        end

        if not texture then break end

        if current_spellID then
            local auraName = SpellInfo(current_spellID)
            if auraName then
                if string.find(string.lower(auraName), string.lower(args.name), 1, true) then
                    found = true
                    break
                end
            end
        end

        i = i + 1
    end

    local ops = CleveRoids.operators
    if not args.amount and not args.operator and not args.checkStacks then
        return found
    elseif isPlayer and not args.checkStacks and args.amount and ops[args.operator] then
        return CleveRoids.comparators[args.operator](remaining or -1, args.amount)
    elseif args.amount and args.checkStacks and ops[args.operator] then
        return CleveRoids.comparators[args.operator](stacks or -1, args.amount)
    else
        return false
    end
end

function CleveRoids.ValidateUnitBuff(unit, args)
    return CleveRoids.ValidateAura(unit, args, true)
end

function CleveRoids.ValidateUnitDebuff(unit, args)
    if not args or not UnitExists(unit) then return false end

    if type(args) ~= "table" then
        args = {name = args}
    end

    local found = false
    local texture, stacks, spellID, remaining
    local i

    -- Step 1: Search DEBUFFS first
    i = (unit == "player") and 0 or 1
    while true do
        if unit == "player" then
            texture, stacks, spellID, remaining = CleveRoids.GetPlayerAura(i, false)
        else
            texture, stacks, _, spellID = UnitDebuff(unit, i)
        end

        if not texture then break end
        if (CleveRoids.hasSuperwow and args.name == SpellInfo(spellID)) or (not CleveRoids.hasSuperwow and texture == CleveRoids.auraTextures[args.name]) then
            found = true
            break
        end
        i = i + 1
    end

    -- Step 2: If not found, search BUFFS
    if not found then
        i = (unit == "player") and 0 or 1
        while true do
            if unit == "player" then
                texture, stacks, spellID, remaining = CleveRoids.GetPlayerAura(i, true)
            else
                texture, stacks, spellID = UnitBuff(unit, i)
            end

            if not texture then break end
            if (CleveRoids.hasSuperwow and args.name == SpellInfo(spellID)) or (not CleveRoids.hasSuperwow and texture == CleveRoids.auraTextures[args.name]) then
                found = true
                break
            end
            i = i + 1
        end
    end

    -- Step 3: Correctly perform conditional validation
    local ops = CleveRoids.operators

    -- Case A: No numeric/stack condition, just check for existence.
    if not args.amount and not args.operator and not args.checkStacks then
        return found
    end

    -- Case B: Numeric/stack condition exists.
    if args.amount and ops[args.operator] then
        -- If aura was found, perform the comparison on its stacks/time.
        if found then
            if args.checkStacks then
                return CleveRoids.comparators[args.operator](stacks or 0, args.amount)
            elseif unit == "player" then -- Time check only for player
                return CleveRoids.comparators[args.operator](remaining or 0, args.amount)
            else
                -- This case is for a numeric check on a non-player unit that isn't a stack check.
                -- Debuff checks on NPCs/other players are typically for existence or stacks.
                -- Return true if found, as there's no other metric to compare.
                return true
            end
        -- If aura was NOT found, compare against default values.
        else
            if args.checkStacks then
                -- Compare stacks (0) against the amount. e.g., (0 < 5) is true.
                return CleveRoids.comparators[args.operator](0, args.amount)
            elseif unit == "player" then
                -- Compare time (0) against the amount.
                return CleveRoids.comparators[args.operator](0, args.amount)
            else
                return false
            end
        end
    end

    return false -- Fallback
end

function CleveRoids.ValidatePlayerBuff(args)
    return CleveRoids.ValidateAura("player", args, true)
end

function CleveRoids.ValidatePlayerDebuff(args)
    return CleveRoids.ValidateAura("player", args, false)
end

-- TODO: Look into https://github.com/Stanzilla/WoWUIBugs/issues/47 if needed
function CleveRoids.GetCooldown(name, ignoreGCD)
    if not name then return 0 end
    local expires = CleveRoids.GetSpellCooldown(name, ignoreGCD)
    local spell = CleveRoids.GetSpell(name)
    if not spell then expires = CleveRoids.GetItemCooldown(name, ignoreGCD) end
    if expires > GetTime() then
        -- CleveRoids.Cooldowns[name] = expires
        return expires
    end

    return 0
end

-- TODO: Look into https://github.com/Stanzilla/WoWUIBugs/issues/47 if needed
-- Returns the cooldown of the given spellName or nil if no such spell was found
function CleveRoids.GetSpellCooldown(spellName, ignoreGCD)
    if not spellName then return 0 end

    local spell = CleveRoids.GetSpell(spellName)
    if not spell then return 0 end

    local start, cd = GetSpellCooldown(spell.spellSlot, spell.bookType)
    if ignoreGCD and cd and cd > 0 and cd == 1.5 then
        return 0
    else
        return (start + cd)
    end
end

-- TODO: Look into https://github.com/Stanzilla/WoWUIBugs/issues/47 if needed
function CleveRoids.GetItemCooldown(itemName, ignoreGCD)
    if not itemName then return 0 end

    local item = CleveRoids.GetItem(itemName)
    if not item then return 0 end

    local start, cd, expires
    if item.inventoryID then
        start, cd = GetInventoryItemCooldown("player", item.inventoryID)
    elseif item.bagID then
        start, cd = GetContainerItemCooldown(item.bagID, item.slot)
    end

    if ignoreGCD and cd and cd > 0 and cd == 1.5 then
        return 0
    else
        return (start + cd)
    end
end

function CleveRoids.IsReactive(name)
    return CleveRoids.reactiveSpells[spellName] ~= nil
end

function CleveRoids.GetActionButtonInfo(slot)
    local macroName, actionType, id = GetActionText(slot)
    if actionType == "MACRO" then
        return actionType, id, macroName
    elseif actionType == "SPELL" and id then
        local spellName, rank = SpellInfo(id)
        return actionType, id, spellName, rank
    elseif actionType == "ITEM" and id then
        local item = CleveRoids.GetItem(id)
        return actionType, id, (item and item.name), (item and item.id)
    end
end

function CleveRoids.IsReactiveUsable(spellName)
    if not CleveRoids.reactiveSlots[spellName] then return false end
    local actionSlot = CleveRoids.reactiveSlots[spellName]

    local isUsable, oom = CleveRoids.Hooks.OriginalIsUsableAction(actionSlot)
    local start, duration = GetActionCooldown(actionSlot)

    if isUsable and (start == 0 or duration == 1.5) then -- 1.5 just means gcd is active
        return 1
    else
        return nil, oom
    end
end

function CleveRoids.CheckSpellCast(unit, spell)
    if not CleveRoids.hasSuperwow then return false end

    local spell = spell or ""
    local _,guid = UnitExists(unit)
    if not guid or (guid and not CleveRoids.spell_tracking[guid]) then
        return false
    else
        -- are we casting a specific spell, or any spell
        if spell == SpellInfo(CleveRoids.spell_tracking[guid].spell_id) or (spell == "") then
            return true
        end
        return false
    end
end

-- A list of Conditionals and their functions to validate them
CleveRoids.Keywords = {
    exists = function(conditionals)
        return UnitExists(conditionals.target)
    end,

    noexists = function(conditionals)
        return not UnitExists(conditionals.target)
    end,

    help = function(conditionals)
        return conditionals.help and conditionals.target and UnitExists(conditionals.target) and UnitCanAssist("player", conditionals.target)
    end,

    harm = function(conditionals)
        return conditionals.harm and conditionals.target and UnitExists(conditionals.target) and UnitCanAttack("player", conditionals.target)
    end,

    stance = function(conditionals)
        local i = CleveRoids.GetCurrentShapeshiftIndex()
        return Or(conditionals.stance, function (v)
            return (i == tonumber(v))
        end)
    end,

    nostance = function(conditionals)
        local i = CleveRoids.GetCurrentShapeshiftIndex()
        local forbiddenStances = conditionals.nostance
        if type(forbiddenStances) ~= "table" then
            return i == 0
        end
        return And(forbiddenStances, function (v)
            return (i ~= tonumber(v))
        end)
    end,

    noform = function(conditionals)
        local i = CleveRoids.GetCurrentShapeshiftIndex()
        local forbiddenForms = conditionals.noform
        if type(forbiddenForms) ~= "table" then
            return i == 0
        end
        return And(forbiddenForms, function (v)
            return (i ~= tonumber(v))
        end)
    end,

    form = function(conditionals)
        local i = CleveRoids.GetCurrentShapeshiftIndex()
        return Or(conditionals.form, function (v)
            return (i == tonumber(v))
        end)
    end,

    mod = function(conditionals)
        if type(conditionals.mod) ~= "table" then
            return CleveRoids.kmods.mod()
        end
        return Or(conditionals.mod, function(mod)
            return CleveRoids.kmods[mod]()
        end)
    end,

    nomod = function(conditionals)
        if type(conditionals.nomod) ~= "table" then
            return CleveRoids.kmods.nomod()
        end
        return And(conditionals.nomod, function(mod)
            return not CleveRoids.kmods[mod]()
        end)
    end,

    target = function(conditionals)
        return CleveRoids.IsValidTarget(conditionals.target, conditionals.help)
    end,

    combat = function(conditionals)
        -- Check if an argument like :target or :focus was provided. The parser turns this into a table.
        if type(conditionals.combat) == "table" then
            -- If so, run the check on the provided unit(s).
            return Or(conditionals.combat, function(unit)
                return UnitExists(unit) and UnitAffectingCombat(unit)
            end)
        else
            -- Otherwise, this is a bare [combat]. The value might be 'true' or a spell name.
            -- In either case, it should safely default to checking the player.
            return UnitAffectingCombat("player")
        end
    end,

    nocombat = function(conditionals)
        -- Check if an argument like :target or :focus was provided.
        if type(conditionals.nocombat) == "table" then
            -- If so, run the check on the provided unit(s).
            return And(conditionals.nocombat, function(unit)
                if not UnitExists(unit) then
                    return true
                end
                return not UnitAffectingCombat(unit)
            end)
        else
            -- Otherwise, this is a bare [nocombat]. Default to checking the player.
            return not UnitAffectingCombat("player")
        end
    end,

    stealth = function(conditionals)
        return (
            (CleveRoids.playerClass == "ROGUE" and CleveRoids.ValidatePlayerBuff(CleveRoids.Localized.Spells["Stealth"]))
            or (CleveRoids.playerClass == "DRUID" and CleveRoids.ValidatePlayerBuff(CleveRoids.Localized.Spells["Prowl"]))
        )
    end,

    nostealth = function(conditionals)
        return (
            (CleveRoids.playerClass == "ROGUE" and not CleveRoids.ValidatePlayerBuff(CleveRoids.Localized.Spells["Stealth"]))
            or (CleveRoids.playerClass == "DRUID" and not CleveRoids.ValidatePlayerBuff(CleveRoids.Localized.Spells["Prowl"]))
        )
    end,

    casting = function(conditionals)
        if type(conditionals.casting) ~= "table" then return CleveRoids.CheckSpellCast(conditionals.target, "") end
        return Or(conditionals.casting, function (spell)
            return CleveRoids.CheckSpellCast(conditionals.target, spell)
        end)
    end,

    nocasting = function(conditionals)
        if type(conditionals.nocasting) ~= "table" then return CleveRoids.CheckSpellCast(conditionals.target, "") end
        return And(conditionals.nocasting, function (spell)
            return not CleveRoids.CheckSpellCast(conditionals.target, spell)
        end)
    end,

    zone = function(conditionals)
        local zone = GetRealZoneText()
        local sub_zone = GetSubZoneText()
        return Or(conditionals.zone, function (v)
            return (sub_zone ~= "" and (v == sub_zone) or (v == zone))
        end)
    end,

    nozone = function(conditionals)
        local zone = GetRealZoneText()
        local sub_zone = GetSubZoneText()
        return And(conditionals.nozone, function (v)
            return not ((sub_zone ~= "" and v == sub_zone)) or (v == zone)
        end)
    end,

    equipped = function(conditionals)
        return And(conditionals.equipped, function (v)
            return (CleveRoids.HasWeaponEquipped(v) or CleveRoids.HasGearEquipped(v))
        end)
    end,

    noequipped = function(conditionals)
        return And(conditionals.noequipped, function (v)
            return not (CleveRoids.HasWeaponEquipped(v) or CleveRoids.HasGearEquipped(v))
        end)
    end,

    dead = function(conditionals)
        if not conditionals.target then return false end
        return UnitIsDeadOrGhost(conditionals.target)
    end,

    alive = function(conditionals)
        if not conditionals.target then return false end
        return not UnitIsDeadOrGhost(conditionals.target)
    end,

    noalive = function(conditionals)
        if not conditionals.target then return false end
        return UnitIsDeadOrGhost(conditionals.target)
    end,

    nodead = function(conditionals)
        if not conditionals.target then return false end
        return not UnitIsDeadOrGhost(conditionals.target)
    end,

    reactive = function(conditionals)
        return Or(conditionals.reactive, function (v)
            return CleveRoids.IsReactiveUsable(v)
        end)
    end,

    noreactive = function(conditionals)
        return And(conditionals.noreactive,function (v)
            return not CleveRoids.IsReactiveUsable(v)
        end)
    end,

    member = function(conditionals)
        return Or(conditionals.member, function(v)
            return
                CleveRoids.IsTargetInGroupType(conditionals.target, "party")
                or CleveRoids.IsTargetInGroupType(conditionals.target, "raid")
        end)
    end,

    party = function(conditionals)
        return CleveRoids.IsTargetInGroupType(conditionals.target, "party")
    end,

    noparty = function(conditionals)
        return not CleveRoids.IsTargetInGroupType(conditionals.target, "party")
    end,

    raid = function(conditionals)
        return CleveRoids.IsTargetInGroupType(conditionals.target, "raid")
    end,

    noraid = function(conditionals)
        return not CleveRoids.IsTargetInGroupType(conditionals.target, "raid")
    end,

    group = function(conditionals)
        if type(conditionals.group) ~= "table" then
            conditionals.group = { "party", "raid" }
        end
        return Or(conditionals.group, function(groups)
            if groups == "party" then
                return GetNumPartyMembers() > 0
            elseif groups == "raid" then
                return GetNumRaidMembers() > 0
            end
        end)
    end,

    checkchanneled = function(conditionals)
        return And(conditionals.checkchanneled, function(channeledSpells)
            return CleveRoids.CheckChanneled(channeledSpells)
        end)
    end,

    buff = function(conditionals)
        return And(conditionals.buff, function(v)
            return CleveRoids.ValidateUnitBuff(conditionals.target, v)
        end)
    end,

    nobuff = function(conditionals)
        return And(conditionals.nobuff, function(v)
            return not CleveRoids.ValidateUnitBuff(conditionals.target, v)
        end)
    end,

    debuff = function(conditionals)
        return And(conditionals.debuff, function(v)
            return CleveRoids.ValidateUnitDebuff(conditionals.target, v)
        end)
    end,

    nodebuff = function(conditionals)
        return And(conditionals.nodebuff, function(v)
            return not CleveRoids.ValidateUnitDebuff(conditionals.target, v)
        end)
    end,

    mybuff = function(conditionals)
        return And(conditionals.mybuff, function(v)
            return CleveRoids.ValidatePlayerBuff(v)
        end)
    end,

    nomybuff = function(conditionals)
        return And(conditionals.nomybuff, function(v)
            return not CleveRoids.ValidatePlayerBuff(v)
        end)
    end,

    mydebuff = function(conditionals)
        return And(conditionals.mydebuff, function(v)
            return CleveRoids.ValidatePlayerDebuff(v)
        end)
    end,

    nomydebuff = function(conditionals)
        return And(conditionals.nomydebuff, function(v)
            return not CleveRoids.ValidatePlayerDebuff(v)
        end)
    end,

    power = function(conditionals)
        return And(conditionals.power, function(args)
            if type(args) ~= "table" then return false end
            return CleveRoids.ValidatePower(conditionals.target, args.operator, args.amount)
        end)
    end,

    mypower = function(conditionals)
        return And(conditionals.mypower, function(args)
            if type(args) ~= "table" then return false end
            return CleveRoids.ValidatePower("player", args.operator, args.amount)
        end)
    end,

    rawpower = function(conditionals)
        return And(conditionals.rawpower, function(args)
            if type(args) ~= "table" then return false end
            return CleveRoids.ValidateRawPower(conditionals.target, args.operator, args.amount)
        end)
    end,

    myrawpower = function(conditionals)
        return And(conditionals.myrawpower, function(args)
            if type(args) ~= "table" then return false end
            return CleveRoids.ValidateRawPower("player", args.operator, args.amount)
        end)
    end,

    powerlost = function(conditionals)
        return And(conditionals.powerlost, function(args)
            if type(args) ~= "table" then return false end
            return CleveRoids.ValidatePowerLost(conditionals.target, args.operator, args.amount)
        end)
    end,

    mypowerlost = function(conditionals)
        return And(conditionals.mypowerlost, function(args)
            if type(args) ~= "table" then return false end
            return CleveRoids.ValidatePowerLost("player", args.operator, args.amount)
        end)
    end,

    hp = function(conditionals)
        return And(conditionals.hp, function(args)
            if type(args) ~= "table" then return false end
            return CleveRoids.ValidateHp(conditionals.target, args.operator, args.amount)
        end)
    end,

    myhp = function(conditionals)
        return And(conditionals.myhp, function(args)
            if type(args) ~= "table" then return false end
            return CleveRoids.ValidateHp("player", args.operator, args.amount)
        end)
    end,

    rawhp = function(conditionals)
        return And(conditionals.rawhp, function(args)
            if type(args) ~= "table" then return false end
            return CleveRoids.ValidateRawHp(conditionals.target, args.operator, args.amount)
        end)
    end,

    myrawhp = function(conditionals)
        return And(conditionals.myrawhp, function(args)
            if type(args) ~= "table" then return false end
            return CleveRoids.ValidateRawHp("player", args.operator, args.amount)
        end)
    end,

    hplost = function(conditionals)
        return And(conditionals.hplost, function(args)
            if type(args) ~= "table" then return false end
            return CleveRoids.ValidateHpLost(conditionals.target, args.operator, args.amount)
        end)
    end,

    myhplost = function(conditionals)
        return And(conditionals.myhplost, function(args)
            if type(args) ~= "table" then return false end
            return CleveRoids.ValidateHpLost("player", args.operator, args.amount)
        end)
    end,

    type = function(conditionals)
        return Or(conditionals.type, function(unittype)
            return CleveRoids.ValidateCreatureType(unittype, conditionals.target)
        end)
    end,

    notype = function(conditionals)
        return And(conditionals.notype, function(unittype)
            return not CleveRoids.ValidateCreatureType(unittype, conditionals.target)
        end)
    end,

    cooldown = function(conditionals)
        return And(conditionals.cooldown,function (v)
            return CleveRoids.ValidateCooldown(v, true)
        end)
    end,

    nocooldown = function(conditionals)
        return And(conditionals.nocooldown,function (v)
            return not CleveRoids.ValidateCooldown(v, true)
        end)
    end,

    cdgcd = function(conditionals)
        return And(conditionals.cdgcd,function (v)
            return CleveRoids.ValidateCooldown(v, false)
        end)
    end,

    nocdgcd = function(conditionals)
        return And(conditionals.nocdgcd,function (v)
            return not CleveRoids.ValidateCooldown(v, false)
        end)
    end,

    channeled = function(conditionals)
        return CleveRoids.CurrentSpell.type == "channeled"
    end,

    nochanneled = function(conditionals)
        return CleveRoids.CurrentSpell.type ~= "channeled"
    end,

    targeting = function(conditionals)
        return Or(conditionals.targeting, function (unit)
            return (UnitIsUnit("targettarget", unit) == 1)
        end)
    end,

    notargeting = function(conditionals)
        return And(conditionals.notargeting, function (unit)
            return UnitIsUnit("targettarget", unit) ~= 1
        end)
    end,

    isplayer = function(conditionals)
        return UnitIsPlayer(conditionals.target)
    end,

    isnpc = function(conditionals)
        return not UnitIsPlayer(conditionals.target)
    end,

    inrange = function(conditionals)
        if not IsSpellInRange then return end
        return And(conditionals.inrange, function(spellName)
            return IsSpellInRange(spellName or conditionals.action, conditionals.target) == 1
        end)
    end,

    noinrange = function(conditionals)
        if not IsSpellInRange then return end
        return And(conditionals.noinrange, function(spellName)
            return IsSpellInRange(spellName or conditionals.action, conditionals.target) == 0
        end)
    end,

    combo = function(conditionals)
        return And(conditionals.combo, function(args)
            return CleveRoids.ValidateComboPoints(args.operator, args.amount)
        end)
    end,

    nocombo = function(conditionals)
        return And(conditionals.nocombo, function(args)
            return not CleveRoids.ValidateComboPoints(args.operator, args.amount)
        end)
    end,

    known = function(conditionals)
        return And(conditionals.known, function(args)
            return CleveRoids.ValidateKnown(args)
        end)
    end,

    noknown = function(conditionals)
        return And(conditionals.noknown, function(args)
            return not CleveRoids.ValidateKnown(args)
        end)
    end,

    resting = function()
        return IsResting() == 1
    end,

    noresting = function()
        return IsResting() == nil
    end,

    stat = function(conditionals)
        return And(conditionals.stat, function(args)
            if type(args) ~= "table" or not args.name or not args.operator or not args.amount then
                return false -- Malformed arguments from the parser.
            end

            local stat_key = string.lower(args.name)
            local get_stat_func = stat_checks[stat_key]

            if not get_stat_func then
                return false -- The requested stat key is invalid.
            end

            local current_value = get_stat_func()
            if not current_value then return false end

            -- Use the addon's existing logic to compare the numbers.
            return CleveRoids.comparators[args.operator](current_value, args.amount)
        end)
    end,

    class = function(conditionals)
        -- Determine which unit to check. Defaults to 'target' if no @unitid was specified.
        local unitToCheck = conditionals.target or "target"

        -- The conditional must fail if the unit doesn't exist OR is not a player.
        if not UnitExists(unitToCheck) or not UnitIsPlayer(unitToCheck) then
            return false
        end

        -- Get the player's class.
        local localizedClass, englishClass = UnitClass(unitToCheck)
        if not localizedClass then return false end -- Failsafe for unusual cases

        -- The "Or" helper handles multiple values like [class:Warrior/Druid].
        return Or(conditionals.class, function(requiredClass)
            return strlower(requiredClass) == strlower(localizedClass) or strlower(requiredClass) == strlower(englishClass)
        end)
    end,

    noclass = function(conditionals)
        -- Determine which unit to check. Defaults to 'target' if no @unitid was specified.
        local unitToCheck = conditionals.target or "target"

        -- A unit that doesn't exist cannot have a specific player class.
        if not UnitExists(unitToCheck) then
            return true
        end

        -- An NPC cannot have a specific player class.
        if not UnitIsPlayer(unitToCheck) then
            return true
        end

        -- If we get here, the unit is a player. Now check their class.
        local localizedClass, englishClass = UnitClass(unitToCheck)
        -- A player should always have a class, but if not, this condition is still met.
        if not localizedClass then return true end

        -- The "And" helper ensures the player's class is not any of the forbidden classes.
        return And(conditionals.noclass, function(forbiddenClass)
            return strlower(forbiddenClass) ~= strlower(localizedClass) and strlower(forbiddenClass) ~= strlower(englishClass)
        end)
    end
}