BNP = BNP or {}

local _, optionsPlayerClass = UnitClass("player")
local comboOptionsClass = (optionsPlayerClass == "ROGUE" or optionsPlayerClass == "DRUID")

local function Round(value, step)
  return math.floor((value / step) + 0.5) * step
end

local sliderCount = 0
local function CreateSlider(parent, label, minValue, maxValue, step, y)
  sliderCount = sliderCount + 1
  local slider = CreateFrame("Slider", "BNPOptionsSlider" .. sliderCount, parent, "OptionsSliderTemplate")
  slider:SetPoint("TOPLEFT", parent, "TOPLEFT", 28, y)
  slider:SetWidth(220)
  slider:SetHeight(16)
  slider:SetMinMaxValues(minValue, maxValue)
  slider:SetValueStep(step)
  getglobal(slider:GetName() .. "Low"):SetText(tostring(minValue))
  getglobal(slider:GetName() .. "High"):SetText(tostring(maxValue))
  getglobal(slider:GetName() .. "Text"):SetText(label)
  return slider
end

local function CreateCheck(parent, label, y, onclick, x)
  local check = CreateFrame("CheckButton", nil, parent, "UICheckButtonTemplate")
  check:SetPoint("TOPLEFT", parent, "TOPLEFT", x or 22, y)
  check:SetWidth(24)
  check:SetHeight(24)

  local text = parent:CreateFontString(nil, "OVERLAY", "GameFontNormal")
  text:SetPoint("LEFT", check, "RIGHT", 4, 0)
  text:SetText(label)
  check.BNPLabel = text

  check:SetScript("OnClick", onclick)
  return check
end

-- 1.12-safe emergency recorder ------------------------------------------------
--
-- Keep a compact recorder directly in this already proven options file.  The
-- full diagnostic module replaces BNP.OpenAuraRecorder later when it loads.
-- If an old/private 1.12 client refuses that larger module, this fallback still
-- provides the window and the ClassicAPI aura data we actually need.

local emergency = BNP.emergencyAuraRecorder or {}
BNP.emergencyAuraRecorder = emergency
emergency.lines = emergency.lines or {}
emergency.active = false

local function EmergencyValue(value, limit)
  if value == nil then return "nil" end
  local text = tostring(value)
  text = string.gsub(text, "\r", "\\r")
  text = string.gsub(text, "\n", "\\n")
  text = string.gsub(text, "\t", "\\t")
  limit = limit or 240
  if string.len(text) > limit then text = string.sub(text, 1, limit) .. "..." end
  return text
end

local function EmergencyAppend(text)
  text = EmergencyValue(text, 1300)
  if string.len(table.concat(emergency.lines, "\n")) + string.len(text) > 60000 then
    if not emergency.limitHit then
      table.insert(emergency.lines, "[REPORT LIMIT REACHED - recording stopped]")
      emergency.limitHit = true
      emergency.active = false
    end
    return
  end
  table.insert(emergency.lines, text)
  emergency.dirty = true
end

local function EmergencyFields(data)
  if type(data) ~= "table" then return EmergencyValue(data) end
  local fields = {}
  local key, value
  for key, value in pairs(data) do
    local kind = type(value)
    if kind ~= "table" and kind ~= "function" and kind ~= "userdata" then
      table.insert(fields, EmergencyValue(key, 80) .. "=" .. EmergencyValue(value, 180))
    end
  end
  table.sort(fields)
  return table.concat(fields, " | ")
end

local function EmergencyGUID(unit)
  local exists, guid = UnitExists(unit)
  if exists and guid then return guid end
  if UnitGUID then
    local ok, value = pcall(UnitGUID, unit)
    if ok then return value end
  end
  return nil
end

local function EmergencyWantedAura(aura)
  if type(aura) ~= "table" then return true end
  local spellID = tonumber(aura.spellId or aura.spellID)
  local name = string.lower(tostring(aura.name or ""))
  if spellID == 17794 or spellID == 17797 or spellID == 17798 or spellID == 17799 or spellID == 17800 then return true end
  if name == "shadow vulnerability" or name == "schattenverwundbarkeit" then return true end

  local playerGUID = EmergencyGUID("player")
  if aura.sourceGUID and playerGUID then return aura.sourceGUID == playerGUID end
  if aura.sourceUnit then return aura.sourceUnit == "player" end
  return false
end

local function EmergencyIsShadowBolt(spellID, spellName)
  local numeric = tonumber(spellID)
  if numeric == 686 or numeric == 695 or numeric == 705 or numeric == 1088 or
     numeric == 1106 or numeric == 7641 or numeric == 11659 or numeric == 11660 or
     numeric == 11661 or numeric == 25307 then return true end
  local name = string.lower(tostring(spellName or ""))
  return name == "shadow bolt" or name == "schattenblitz"
end

local function EmergencyRefresh()
  if not emergency.edit then return end
  emergency.edit:SetText(table.concat(emergency.lines, "\n"))
  emergency.edit:SetHeight(math.max(300, table.getn(emergency.lines) * 16 + 30))
  if emergency.status then
    if emergency.active then
      emergency.status:SetText("RECORDING | Target: " .. EmergencyValue(UnitName("target") or "none", 100))
      emergency.status:SetTextColor(0.2, 1, 0.35)
    else
      emergency.status:SetText("STOPPED | " .. tostring(table.getn(emergency.lines)) .. " lines")
      emergency.status:SetTextColor(1, 0.82, 0)
    end
  end
  emergency.dirty = false
end

local function EmergencySnapshot(reason, force)
  if not UnitExists("target") then
    if force then EmergencyAppend("AURA_SNAPSHOT | reason=" .. reason .. " | no target") end
    return
  end

  local auraLines = {}
  local signatureParts = {}
  local count = 0
  local classic = type(C_UnitAuras) == "table" and type(C_UnitAuras.GetDebuffDataByIndex) == "function"
  local i

  if classic then
    for i = 1, 64 do
      local ok, aura = pcall(C_UnitAuras.GetDebuffDataByIndex, "target", i)
      if not ok then
        EmergencyAppend("CLASSICAPI_ERROR | " .. EmergencyValue(aura, 800))
        break
      end
      if not aura then break end
      if EmergencyWantedAura(aura) then
        count = count + 1
        local fields = EmergencyFields(aura)
        table.insert(signatureParts, fields)
        table.insert(auraLines, "  CLASSIC_AURA " .. tostring(i) .. " | " .. fields)
      end
    end
  else
    for i = 1, 64 do
      local ok, texture, stacks, dispelType, spellID, r5, r6, r7, r8, r9, r10 = pcall(UnitDebuff, "target", i)
      if not ok or not texture then break end
      count = count + 1
      local fields = "spellId=" .. EmergencyValue(spellID) ..
        " | stacks=" .. EmergencyValue(stacks) ..
        " | type=" .. EmergencyValue(dispelType) ..
        " | texture=" .. EmergencyValue(texture, 160) ..
        " | r5=" .. EmergencyValue(r5) .. " | r6=" .. EmergencyValue(r6) ..
        " | r7=" .. EmergencyValue(r7) .. " | r8=" .. EmergencyValue(r8) ..
        " | r9=" .. EmergencyValue(r9) .. " | r10=" .. EmergencyValue(r10)
      table.insert(signatureParts, fields)
      table.insert(auraLines, "  LEGACY_AURA " .. tostring(i) .. " | " .. fields)
    end
  end

  local signature = table.concat(signatureParts, "||")
  if emergency.baselineOnly then
    emergency.lastSignature = signature
    return
  end
  if not force and signature == emergency.lastSignature then return end
  emergency.lastSignature = signature
  EmergencyAppend(
    "[+" .. string.format("%.3f", GetTime() - (emergency.startedAt or GetTime())) .. "] AURA_SNAPSHOT" ..
    " | reason=" .. EmergencyValue(reason) ..
    " | guid=" .. EmergencyValue(EmergencyGUID("target")) ..
    " | source=" .. (classic and "ClassicAPI" or "UnitDebuff") ..
    " | count=" .. tostring(count)
  )
  if count == 0 then
    EmergencyAppend("  AURA none")
  else
    for i = 1, table.getn(auraLines) do EmergencyAppend(auraLines[i]) end
  end
end

local function EmergencyUnregister()
  if emergency.eventFrame then pcall(emergency.eventFrame.UnregisterAllEvents, emergency.eventFrame) end
end

local function EmergencyStop(reason)
  if not emergency.active then EmergencyRefresh() return end
  EmergencySnapshot("final", true)
  emergency.active = false
  EmergencyUnregister()
  if emergency.frame then emergency.frame:SetScript("OnUpdate", nil) end
  EmergencyAppend("=== END | reason=" .. EmergencyValue(reason or "user") .. " ===")
  EmergencyRefresh()
end

local function EmergencyStart()
  EmergencyUnregister()
  emergency.lines = {}
  emergency.limitHit = false
  emergency.lastSignature = nil
  emergency.startedAt = GetTime()
  emergency.elapsed = 0
  emergency.active = true
  if emergency.frame and emergency.onUpdate then emergency.frame:SetScript("OnUpdate", emergency.onUpdate) end
  EmergencyAppend("BNP_CLASSICAPI_AURA_REPORT v2")
  EmergencyAppend(
    "ClassicAPI | version=" .. EmergencyValue(CLASSIC_API_VERSION or "not detected") ..
    " | C_UnitAuras=" .. ((type(C_UnitAuras) == "table" and type(C_UnitAuras.GetDebuffDataByIndex) == "function") and "yes" or "no") ..
    " | CopyToClipboard=" .. (CopyToClipboard and "yes" or "no")
  )
  EmergencyAppend("Aura filter | own auras + Shadow Vulnerability from any Warlock")
  EmergencyAppend("Target | name=" .. EmergencyValue(UnitName("target")) .. " | guid=" .. EmergencyValue(EmergencyGUID("target")))
  EmergencyAppend("Test | proc aura, refresh it while active, then let it expire")
  EmergencyAppend("=== LIVE RECORDING ===")

  local events = {
    "UNIT_CASTEVENT", "UNIT_AURA", "PLAYER_TARGET_CHANGED",
    "UNIT_SPELLCAST_SENT", "UNIT_SPELLCAST_START", "UNIT_SPELLCAST_STOP",
    "UNIT_SPELLCAST_SUCCEEDED", "UNIT_SPELLCAST_CHANNEL_START", "UNIT_SPELLCAST_CHANNEL_STOP",
  }
  local i
  for i = 1, table.getn(events) do pcall(emergency.eventFrame.RegisterEvent, emergency.eventFrame, events[i]) end
  -- Learn the target's existing auras without printing them. Only changes
  -- occurring after Start Recording belong in the diagnostic report.
  emergency.baselineOnly = true
  EmergencySnapshot("baseline", false)
  emergency.baselineOnly = false
  EmergencyRefresh()
end

local function EmergencyCreateWindow()
  if emergency.frame then return emergency.frame end

  local frame = CreateFrame("Frame", "BNPEmergencyAuraRecorderFrame", UIParent)
  frame:SetWidth(720)
  frame:SetHeight(520)
  frame:SetPoint("CENTER", UIParent, "CENTER", 0, 20)
  frame:SetFrameStrata("DIALOG")
  frame:SetBackdrop({
    bgFile = "Interface\\DialogFrame\\UI-DialogBox-Background",
    edgeFile = "Interface\\DialogFrame\\UI-DialogBox-Border",
    tile = true, tileSize = 32, edgeSize = 32,
    insets = { left = 11, right = 12, top = 12, bottom = 11 }
  })
  frame:SetMovable(true)
  frame:EnableMouse(true)
  frame:RegisterForDrag("LeftButton")
  frame:SetScript("OnDragStart", function() this:StartMoving() end)
  frame:SetScript("OnDragStop", function() this:StopMovingOrSizing() end)
  frame:SetScript("OnHide", function() EmergencyStop("window closed") end)
  emergency.frame = frame

  local title = frame:CreateFontString(nil, "OVERLAY", "GameFontNormalLarge")
  title:SetPoint("TOP", frame, "TOP", 0, -18)
  title:SetText("Missing Spell / Aura Recorder")

  local status = frame:CreateFontString(nil, "OVERLAY", "GameFontNormal")
  status:SetPoint("TOPLEFT", frame, "TOPLEFT", 26, -50)
  status:SetWidth(660)
  status:SetJustifyH("LEFT")
  emergency.status = status

  local start = CreateFrame("Button", nil, frame, "UIPanelButtonTemplate")
  start:SetPoint("TOPLEFT", frame, "TOPLEFT", 26, -76)
  start:SetWidth(126)
  start:SetHeight(24)
  start:SetText("Start Recording")
  start:SetScript("OnClick", EmergencyStart)

  local stop = CreateFrame("Button", nil, frame, "UIPanelButtonTemplate")
  stop:SetPoint("LEFT", start, "RIGHT", 8, 0)
  stop:SetWidth(82)
  stop:SetHeight(24)
  stop:SetText("Stop")
  stop:SetScript("OnClick", function() EmergencyStop("user") end)

  local copy = CreateFrame("Button", nil, frame, "UIPanelButtonTemplate")
  copy:SetPoint("LEFT", stop, "RIGHT", 8, 0)
  copy:SetWidth(110)
  copy:SetHeight(24)
  copy:SetText(CopyToClipboard and "Copy Report" or "Select All")
  copy:SetScript("OnClick", function()
    EmergencyRefresh()
    local report = table.concat(emergency.lines, "\n")
    if CopyToClipboard and pcall(CopyToClipboard, report) then
      emergency.status:SetText("COPIED | Paste with Ctrl+V")
      emergency.status:SetTextColor(0.2, 1, 0.35)
    else
      emergency.edit:SetFocus()
      emergency.edit:HighlightText()
      emergency.status:SetText("SELECTED | Press Ctrl+C")
    end
  end)

  local close = CreateFrame("Button", nil, frame, "UIPanelCloseButton")
  close:SetPoint("TOPRIGHT", frame, "TOPRIGHT", -5, -5)

  local scroll = CreateFrame("ScrollFrame", "BNPEmergencyAuraRecorderScroll", frame, "UIPanelScrollFrameTemplate")
  scroll:SetPoint("TOPLEFT", frame, "TOPLEFT", 26, -112)
  scroll:SetPoint("BOTTOMRIGHT", frame, "BOTTOMRIGHT", -48, 30)

  local edit = CreateFrame("EditBox", "BNPEmergencyAuraRecorderEdit", scroll)
  edit:SetWidth(640)
  edit:SetHeight(300)
  edit:SetMultiLine(true)
  edit:SetAutoFocus(false)
  edit:SetFontObject(ChatFontNormal)
  edit:SetMaxLetters(65000)
  edit:SetScript("OnEscapePressed", function() this:ClearFocus() end)
  scroll:SetScrollChild(edit)
  emergency.edit = edit

  emergency.eventFrame = CreateFrame("Frame", "BNPEmergencyAuraRecorderEvents")
  emergency.eventFrame:SetScript("OnEvent", function()
    if not emergency.active then return end
    if event == "UNIT_AURA" and arg1 ~= "target" then return end
    if event == "UNIT_CASTEVENT" and arg1 ~= EmergencyGUID("player") then return end
    EmergencyAppend(
      "[+" .. string.format("%.3f", GetTime() - emergency.startedAt) .. "] EVENT | " .. EmergencyValue(event) ..
      " | a1=" .. EmergencyValue(arg1) .. " | a2=" .. EmergencyValue(arg2) ..
      " | a3=" .. EmergencyValue(arg3) .. " | a4=" .. EmergencyValue(arg4) ..
      " | a5=" .. EmergencyValue(arg5) .. " | a6=" .. EmergencyValue(arg6)
    )
    emergency.forceSnapshot = event == "PLAYER_TARGET_CHANGED" or
      (event == "UNIT_CASTEVENT" and EmergencyIsShadowBolt(arg4)) or
      (event == "UNIT_SPELLCAST_SENT" and EmergencyIsShadowBolt(arg4, arg5)) or
      (event ~= "UNIT_SPELLCAST_SENT" and string.find(tostring(event or ""), "UNIT_SPELLCAST_", 1, true) and EmergencyIsShadowBolt(arg3, arg4))
  end)

  emergency.onUpdate = function()
    if not emergency.active then return end
    emergency.elapsed = (emergency.elapsed or 0) + arg1
    if emergency.elapsed >= 0.12 then
      emergency.elapsed = 0
      EmergencySnapshot(emergency.forceSnapshot and "event" or "poll", emergency.forceSnapshot)
      emergency.forceSnapshot = false
      if emergency.dirty then EmergencyRefresh() end
    end
  end

  return frame
end

-- This remains available even if the full recorder loads, so that module can
-- fall back when a private client rejects one of the larger window calls.
function BNP:OpenEmergencyAuraRecorder()
  local frame = EmergencyCreateWindow()
  frame:Show()
  EmergencyRefresh()
end

function BNP:StartEmergencyAuraRecorder()
  EmergencyStart()
end

-- This is intentionally defined before the large optional recorder module.
-- A successful module load overwrites it; otherwise the button still works.
function BNP:OpenAuraRecorder()
  self:OpenEmergencyAuraRecorder()
end

function BNP:CreateOptions()
  if self.optionsFrame then return end

  local frame = CreateFrame("Frame", "BNPOptionsFrame", UIParent)
  frame:SetWidth(310)
  frame:SetHeight(comboOptionsClass and 897 or 837)
  frame:SetPoint("CENTER", UIParent, "CENTER", 0, 80)
  frame:SetFrameStrata("DIALOG")
  frame:SetBackdrop({
    bgFile = "Interface\\DialogFrame\\UI-DialogBox-Background",
    edgeFile = "Interface\\DialogFrame\\UI-DialogBox-Border",
    tile = true, tileSize = 32, edgeSize = 32,
    insets = { left = 11, right = 12, top = 12, bottom = 11 }
  })
  frame:SetMovable(true)
  frame:EnableMouse(true)
  frame:RegisterForDrag("LeftButton")
  frame:SetScript("OnDragStart", function() this:StartMoving() end)
  frame:SetScript("OnDragStop", function() this:StopMovingOrSizing() end)
  frame:Hide()

  local title = frame:CreateFontString(nil, "OVERLAY", "GameFontNormalLarge")
  title:SetPoint("TOP", frame, "TOP", 0, -18)
  title:SetText("Blizz Nameplates+")

  local version = frame:CreateFontString(nil, "OVERLAY", "GameFontHighlightSmall")
  version:SetPoint("TOP", title, "BOTTOM", 0, -4)
  version:SetText("Version " .. tostring(BNP.version or "?"))
  frame.versionText = version

  local close = CreateFrame("Button", nil, frame, "UIPanelCloseButton")
  close:SetPoint("TOPRIGHT", frame, "TOPRIGHT", -5, -5)

  local function CreateSection(label, y)
    local text = frame:CreateFontString(nil, "OVERLAY", "GameFontNormal")
    text:SetPoint("TOPLEFT", frame, "TOPLEFT", 22, y)
    text:SetText(label)

    local line = frame:CreateTexture(nil, "ARTWORK")
    line:SetTexture(1, 1, 1, 0.16)
    line:SetPoint("LEFT", text, "RIGHT", 8, 0)
    line:SetPoint("RIGHT", frame, "RIGHT", -22, 0)
    line:SetHeight(1)

    return text
  end

  local function SetCheckEnabled(check, enabled)
    if not check then return end
    if enabled then
      if check.Enable then check:Enable() end
      check:SetAlpha(1.0)
      if check.BNPLabel then check.BNPLabel:SetTextColor(1, 0.82, 0) end
    else
      if check.Disable then check:Disable() end
      check:SetAlpha(0.45)
      if check.BNPLabel then check.BNPLabel:SetTextColor(0.5, 0.5, 0.5) end
    end
  end

  -- NAMEPLATES -------------------------------------------------------------
  CreateSection("Nameplates", -68)

  local scale = CreateSlider(frame, "Nameplate Scale", 0.70, 1.50, 0.05, -98)
  scale:SetScript("OnValueChanged", function()
    if not BNP_DB then return end
    local value = Round(this:GetValue(), 0.05)
    BNP_DB.nameplateScale = value
    getglobal(this:GetName() .. "Text"):SetText("Nameplate Scale: " .. string.format("%.2f", value))
    if BNP.ApplyNameplateScaleAll then BNP:ApplyNameplateScaleAll() end
  end)
  frame.scaleSlider = scale

  local yOffset = CreateSlider(frame, "Nameplate Y Offset", 0, 50, 1, -140)
  yOffset:SetScript("OnValueChanged", function()
    if not BNP_DB then return end
    local value = math.floor(this:GetValue() + 0.5)
    BNP_DB.nameplateYOffset = value
    getglobal(this:GetName() .. "Text"):SetText("Nameplate Y Offset: +" .. value)
    if BNP.ApplyNameplateYOffsetAll then BNP:ApplyNameplateYOffsetAll() end
  end)
  frame.yOffsetSlider = yOffset

  local nonTargetAlpha = CreateSlider(frame, "Non-Target Alpha", 30, 100, 5, -182)
  nonTargetAlpha:SetScript("OnValueChanged", function()
    if not BNP_DB then return end
    local percent = math.floor((this:GetValue() / 5) + 0.5) * 5
    if percent < 30 then percent = 30 end
    if percent > 100 then percent = 100 end
    BNP_DB.nonTargetAlpha = percent / 100
    getglobal(this:GetName() .. "Text"):SetText("Non-Target Alpha: " .. percent .. "%")
    if BNP.RefreshNonTargetAlpha then BNP:RefreshNonTargetAlpha() end
  end)
  frame.nonTargetAlphaSlider = nonTargetAlpha

  local classColors = CreateCheck(frame, "Class Colors", -220, function()
    BNP_DB.classColors = this:GetChecked() and true or false
    if BNP_DB.classColors then
      local plate
      for plate in pairs(BNP.plates or {}) do
        plate.BNPClassColorApplied = nil
        plate.BNPClassR = nil
        plate.BNPClassG = nil
        plate.BNPClassB = nil
      end
    end
  end)
  frame.classColorsCheck = classColors

  local tank = CreateCheck(frame, "Tank Mode", -246, function()
    BNP_DB.tankMode = this:GetChecked() and true or false
    if BNP.UpdateTankMode then BNP:UpdateTankMode() end
  end)
  tank:SetScript("OnEnter", function()
    GameTooltip:SetOwner(this, "ANCHOR_RIGHT")
    GameTooltip:SetText("Tank Mode", 1, 0.82, 0)
    GameTooltip:AddLine("Green: the unit is targeting you.", 1, 1, 1)
    GameTooltip:AddLine("Red: the unit is targeting someone else.", 1, 1, 1)
    GameTooltip:Show()
  end)
  tank:SetScript("OnLeave", function()
    GameTooltip:Hide()
  end)
  frame.tankCheck = tank

  local healthTextLabel = frame:CreateFontString(nil, "OVERLAY", "GameFontNormal")
  healthTextLabel:SetPoint("TOPLEFT", frame, "TOPLEFT", 28, -280)
  healthTextLabel:SetText("Health Text")

  local healthTextDropdown = CreateFrame("Frame", "BNPHealthTextDropdown", frame, "UIDropDownMenuTemplate")
  healthTextDropdown:SetPoint("TOPLEFT", frame, "TOPLEFT", 10, -292)
  UIDropDownMenu_SetWidth(150, healthTextDropdown)

  local healthModeLabels = {
    off = "Off",
    percent = "Percent",
    hp = "HP",
    both = "HP + Percent",
  }

  local function SetHealthTextMode(mode)
    if not healthModeLabels[mode] then mode = "off" end
    BNP_DB.healthText = mode
    BNP_DB.healthPercent = (mode == "percent" or mode == "both")
    UIDropDownMenu_SetSelectedValue(healthTextDropdown, mode)
    UIDropDownMenu_SetText(healthModeLabels[mode], healthTextDropdown)
    if BNP.RefreshHealthPercent then BNP:RefreshHealthPercent() end
  end

  UIDropDownMenu_Initialize(healthTextDropdown, function()
    local modes = { "off", "percent", "hp", "both" }
    local i
    for i = 1, table.getn(modes) do
      local mode = modes[i]
      local info = {}
      info.text = healthModeLabels[mode]
      info.value = mode
      info.func = function() SetHealthTextMode(this.value) end
      info.checked = (BNP:GetHealthTextMode() == mode)
      UIDropDownMenu_AddButton(info)
    end
  end)
  frame.healthTextDropdown = healthTextDropdown
  frame.SetHealthTextMode = SetHealthTextMode

  local targetFocus = CreateCheck(frame, "Target Glow", -336, function()
    BNP_DB.targetFocus = this:GetChecked() and true or false
    if BNP.RefreshTargetFocus then BNP:RefreshTargetFocus() end
    if frame.UpdateDependentControls then frame:UpdateDependentControls() end
  end)
  frame.targetFocusCheck = targetFocus

  local glowColorLabel = frame:CreateFontString(nil, "OVERLAY", "GameFontNormal")
  glowColorLabel:SetPoint("TOPLEFT", frame, "TOPLEFT", 42, -366)
  glowColorLabel:SetText("Glow Color")
  frame.glowColorLabel = glowColorLabel

  local glowColorDropdown = CreateFrame("Frame", "BNPTargetGlowColorDropdown", frame, "UIDropDownMenuTemplate")
  glowColorDropdown:SetPoint("TOPLEFT", frame, "TOPLEFT", 24, -378)
  UIDropDownMenu_SetWidth(150, glowColorDropdown)

  local glowColorLabels = {
    white = "White",
    gold = "Gold",
    blue = "Blue",
    green = "Green",
    red = "Red",
    purple = "Purple",
  }

  local function SetTargetGlowColor(color)
    if not glowColorLabels[color] then color = "white" end
    BNP_DB.targetGlowColor = color
    UIDropDownMenu_SetSelectedValue(glowColorDropdown, color)
    UIDropDownMenu_SetText(glowColorLabels[color], glowColorDropdown)
    if BNP.RefreshTargetFocus then BNP:RefreshTargetFocus() end
  end

  UIDropDownMenu_Initialize(glowColorDropdown, function()
    local colors = { "white", "gold", "blue", "green", "red", "purple" }
    local i
    for i = 1, table.getn(colors) do
      local color = colors[i]
      local info = {}
      info.text = glowColorLabels[color]
      info.value = color
      info.func = function() SetTargetGlowColor(this.value) end
      info.checked = ((BNP_DB and BNP_DB.targetGlowColor) or "white") == color
      UIDropDownMenu_AddButton(info)
    end
  end)
  frame.glowColorDropdown = glowColorDropdown
  frame.SetTargetGlowColor = SetTargetGlowColor

  local targetOnTop = CreateCheck(frame, "Target Plate on Top", -422, function()
    BNP_DB.targetOnTop = this:GetChecked() and true or false
    if BNP.RefreshTargetOnTop then BNP:RefreshTargetOnTop() end
  end)
  frame.targetOnTopCheck = targetOnTop

  -- AURAS ------------------------------------------------------------------
  CreateSection("Auras", -462)

  local icon = CreateSlider(frame, "Aura Icon Size", 12, 32, 1, -492)
  icon:SetScript("OnValueChanged", function()
    if not BNP_DB then return end
    local value = math.floor(this:GetValue() + 0.5)
    BNP_DB.iconSize = value
    getglobal(this:GetName() .. "Text"):SetText("Aura Icon Size: " .. value)
    if BNP.RefreshAllAuraLayouts then BNP:RefreshAllAuraLayouts() end
  end)
  frame.iconSlider = icon

  local debuffs = CreateCheck(frame, "Debuffs", -530, function()
    BNP_DB.debuffs = this:GetChecked() and true or false
    if BNP.RefreshDebuffVisibility then BNP:RefreshDebuffVisibility() end
  end)
  frame.debuffsCheck = debuffs

  local crowdControl = CreateCheck(frame, "Crowd Control", -556, function()
    BNP_DB.crowdControl = this:GetChecked() and true or false
    if BNP.RefreshDebuffVisibility then BNP:RefreshDebuffVisibility() end
    if frame.UpdateDependentControls then frame:UpdateDependentControls() end
  end)
  frame.crowdControlCheck = crowdControl

  local separateCCRow = CreateCheck(frame, "Display CCs in Separate Row", -582, function()
    BNP_DB.separateCCRow = this:GetChecked() and true or false
    if BNP.RefreshAllAuraLayouts then BNP:RefreshAllAuraLayouts() end
    if BNP.RefreshDebuffVisibility then BNP:RefreshDebuffVisibility() end
  end, 42)
  frame.separateCCRowCheck = separateCCRow

  local showOtherCCs = CreateCheck(frame, "Show CCs from Other Players", -608, function()
    BNP_DB.showOtherCCs = this:GetChecked() and true or false
    if BNP.RefreshDebuffVisibility then BNP:RefreshDebuffVisibility() end
  end, 42)
  frame.showOtherCCsCheck = showOtherCCs

  -- CASTBAR ----------------------------------------------------------------
  CreateSection("Castbar", -648)

  local castbars = CreateCheck(frame, "Castbars", -674, function()
    local enabled = this:GetChecked() and true or false
    if BNP.SetCastbarsEnabled then
      BNP:SetCastbarsEnabled(enabled)
    else
      BNP_DB.castbars = enabled
    end
  end)
  frame.castbarsCheck = castbars

  local castbarHeight = CreateSlider(frame, "Castbar Height", 4, 14, 1, -710)
  castbarHeight:SetScript("OnValueChanged", function()
    if not BNP_DB then return end
    local value = math.floor(this:GetValue() + 0.5)
    BNP_DB.castbarHeight = value
    getglobal(this:GetName() .. "Text"):SetText("Castbar Height: " .. value)
    if BNP.RefreshCastbarHeights then BNP:RefreshCastbarHeights() end
  end)
  frame.castbarHeightSlider = castbarHeight

  -- CLASS FEATURES ---------------------------------------------------------
  local noteY = -764
  if comboOptionsClass then
    local classSection = CreateSection("Class Features", -750)
    frame.classSection = classSection

    local comboPoints = CreateCheck(frame, "Combo Points", -776, function()
      BNP_DB.comboPoints = this:GetChecked() and true or false
      if BNP.RefreshComboPoints then BNP:RefreshComboPoints() end
      if BNP.RefreshAllAuraLayouts then BNP:RefreshAllAuraLayouts() end
    end)
    frame.comboPointsCheck = comboPoints
    noteY = -816
  end

  local auraRecorder = CreateFrame("Button", nil, frame, "UIPanelButtonTemplate")
  auraRecorder:SetPoint("TOPLEFT", frame, "TOPLEFT", 28, noteY)
  auraRecorder:SetWidth(254)
  auraRecorder:SetHeight(24)
  auraRecorder:SetText("Missing Spell / Aura...")
  auraRecorder:SetScript("OnClick", function()
    BNP:OpenAuraRecorder()
  end)
  auraRecorder:SetScript("OnEnter", function()
    GameTooltip:SetOwner(this, "ANCHOR_RIGHT")
    GameTooltip:SetText("Missing Spell / Aura Recorder", 1, 0.82, 0)
    GameTooltip:AddLine("Records target aura IDs, SuperWoW events and refresh signals in one copyable report.", 1, 1, 1, true)
    GameTooltip:Show()
  end)
  auraRecorder:SetScript("OnLeave", function() GameTooltip:Hide() end)
  frame.auraRecorderButton = auraRecorder

  local note = frame:CreateFontString(nil, "OVERLAY", "GameFontHighlightSmall")
  note:SetPoint("TOPLEFT", frame, "TOPLEFT", 28, noteY - 32)
  note:SetWidth(250)
  note:SetJustifyH("LEFT")
  note:SetText("Changes are applied immediately. Recorder output can be copied as text.")

  function frame:UpdateDependentControls()
    local ccEnabled = BNP:AreCrowdControlEnabled()
    SetCheckEnabled(self.separateCCRowCheck, ccEnabled)
    SetCheckEnabled(self.showOtherCCsCheck, ccEnabled)

    local glowEnabled = BNP:IsTargetFocusEnabled()
    if self.glowColorLabel then
      self.glowColorLabel:SetTextColor(glowEnabled and 1 or 0.5, glowEnabled and 0.82 or 0.5, glowEnabled and 0 or 0.5)
    end
    if self.glowColorDropdown then
      self.glowColorDropdown:SetAlpha(glowEnabled and 1.0 or 0.45)
      if glowEnabled then
        if UIDropDownMenu_EnableDropDown then UIDropDownMenu_EnableDropDown(self.glowColorDropdown) end
      else
        if UIDropDownMenu_DisableDropDown then UIDropDownMenu_DisableDropDown(self.glowColorDropdown) end
      end
    end
  end

  self.optionsFrame = frame
end

function BNP:SyncOptions()
  self:CreateOptions()
  local frame = self.optionsFrame
  frame.scaleSlider:SetValue(self:GetNameplateScale())
  if frame.yOffsetSlider then
    local yOffset = self:GetNameplateYOffset()
    frame.yOffsetSlider:SetValue(yOffset)
    getglobal(frame.yOffsetSlider:GetName() .. "Text"):SetText("Nameplate Y Offset: +" .. yOffset)
  end
  if frame.nonTargetAlphaSlider then
    local alphaPercent = math.floor((self:GetNonTargetAlpha() * 100) + 0.5)
    frame.nonTargetAlphaSlider:SetValue(alphaPercent)
    getglobal(frame.nonTargetAlphaSlider:GetName() .. "Text"):SetText("Non-Target Alpha: " .. alphaPercent .. "%")
  end
  frame.iconSlider:SetValue(self:GetIconSize())
  frame.castbarHeightSlider:SetValue(self:GetCastbarHeight())
  frame.classColorsCheck:SetChecked(self:AreClassColorsEnabled())
  if frame.debuffsCheck then frame.debuffsCheck:SetChecked(self:AreDebuffsEnabled()) end
  if frame.crowdControlCheck then frame.crowdControlCheck:SetChecked(self:AreCrowdControlEnabled()) end
  if frame.separateCCRowCheck then frame.separateCCRowCheck:SetChecked(self:IsSeparateCCRowEnabled()) end
  if frame.showOtherCCsCheck then frame.showOtherCCsCheck:SetChecked(self:ShowOtherPlayersCCs()) end
  frame.castbarsCheck:SetChecked(self:AreCastbarsEnabled())
  frame.tankCheck:SetChecked(self:IsTankModeEnabled())
  if frame.comboPointsCheck and comboOptionsClass then
    frame.comboPointsCheck:SetChecked(self:AreComboPointsEnabled())
  end
  if frame.healthTextDropdown then
    local mode = self:GetHealthTextMode()
    UIDropDownMenu_SetSelectedValue(frame.healthTextDropdown, mode)
    local labels = { off = "Off", percent = "Percent", hp = "HP", both = "HP + Percent" }
    UIDropDownMenu_SetText(labels[mode] or "Off", frame.healthTextDropdown)
  end
  frame.targetFocusCheck:SetChecked(self:IsTargetFocusEnabled())

  if frame.glowColorDropdown then
    local _, _, _, color = self:GetTargetGlowColor()
    local labels = {
      white = "White",
      gold = "Gold",
      blue = "Blue",
      green = "Green",
      red = "Red",
      purple = "Purple",
    }
    UIDropDownMenu_SetSelectedValue(frame.glowColorDropdown, color or "white")
    UIDropDownMenu_SetText(labels[color] or "White", frame.glowColorDropdown)
  end

  frame.targetOnTopCheck:SetChecked(self:IsTargetOnTopEnabled())
  if frame.UpdateDependentControls then frame:UpdateDependentControls() end
  frame.versionText:SetText("Version " .. tostring(self.version or "?"))
end

function BNP:ToggleOptions()
  self:SyncOptions()
  if self.optionsFrame:IsShown() then
    self.optionsFrame:Hide()
  else
    self.optionsFrame:Show()
  end
end

function BNP:CreateMinimapButton()
  if self.minimapButton then return end

  BNP_DB = BNP_DB or {}
  if BNP_DB.minimapAngle == nil then BNP_DB.minimapAngle = 225 end

  local button = CreateFrame("Button", "BNPMinimapButton", Minimap)
  button:SetWidth(31)
  button:SetHeight(31)
  button:SetFrameStrata("MEDIUM")
  button:SetFrameLevel((Minimap:GetFrameLevel() or 1) + 8)
  button:RegisterForClicks("LeftButtonUp")
  button:RegisterForDrag("LeftButton")
  button:EnableMouse(true)
  button:SetMovable(true)

  -- Classic round minimap-button background.
  local bg = button:CreateTexture(nil, "BACKGROUND")
  bg:SetTexture("Interface\\Minimap\\UI-Minimap-Background")
  bg:SetWidth(22)
  bg:SetHeight(22)
  bg:SetPoint("CENTER", button, "CENTER", 0, 0)
  button.bg = bg

  -- Addon identity: simple BN+ lettering instead of a spell/item icon.
  -- Rendered directly by the client, so no external texture file is needed.
  local iconBG = button:CreateTexture(nil, "ARTWORK")
  iconBG:SetTexture(0.03, 0.03, 0.03, 1)
  iconBG:SetWidth(20)
  iconBG:SetHeight(20)
  iconBG:SetPoint("CENTER", button, "CENTER", 0, 0)
  button.iconBG = iconBG

  local label = button:CreateFontString(nil, "OVERLAY")
  label:SetFont("Fonts\\FRIZQT__.TTF", 10, "OUTLINE")
  label:SetPoint("CENTER", button, "CENTER", 0, 0)
  label:SetText("BN+")
  label:SetTextColor(0.20, 0.60, 1.00)
  button.label = label

  -- Standard Blizzard circular minimap border.
  local border = button:CreateTexture(nil, "OVERLAY")
  border:SetTexture("Interface\\Minimap\\MiniMap-TrackingBorder")
  border:SetWidth(54)
  border:SetHeight(54)
  border:SetPoint("TOPLEFT", button, "TOPLEFT", 0, 0)
  button.border = border

  local highlight = button:CreateTexture(nil, "HIGHLIGHT")
  highlight:SetTexture("Interface\\Minimap\\UI-Minimap-ZoomButton-Highlight")
  highlight:SetBlendMode("ADD")
  highlight:SetAllPoints(button)
  button.highlight = highlight

  local function UpdatePosition()
    local angle = tonumber(BNP_DB.minimapAngle) or 225
    local radius = 78
    local rad = math.rad(angle)

    button:ClearAllPoints()
    button:SetPoint(
      "CENTER",
      Minimap,
      "CENTER",
      math.cos(rad) * radius,
      math.sin(rad) * radius
    )
  end

  local function UpdateAngleFromCursor()
    local mx, my = Minimap:GetCenter()
    local scale = 1
    if UIParent.GetEffectiveScale then
      scale = UIParent:GetEffectiveScale() or 1
    elseif UIParent.GetScale then
      scale = UIParent:GetScale() or 1
    end
    local cx, cy = GetCursorPosition()
    cx = cx / scale
    cy = cy / scale

    local dx = cx - mx
    local dy = cy - my

    local angle
    if math.atan2 then
      angle = math.deg(math.atan2(dy, dx))
    else
      if dx == 0 then
        angle = dy >= 0 and 90 or -90
      else
        angle = math.deg(math.atan(dy / dx))
        if dx < 0 then angle = angle + 180 end
      end
    end
    BNP_DB.minimapAngle = angle
    UpdatePosition()
  end

  button:SetScript("OnDragStart", function()
    this:SetScript("OnUpdate", UpdateAngleFromCursor)
  end)

  button:SetScript("OnDragStop", function()
    this:SetScript("OnUpdate", nil)
    UpdateAngleFromCursor()
  end)

  button:SetScript("OnClick", function()
    BNP:ToggleOptions()
  end)

  button:SetScript("OnEnter", function()
    GameTooltip:SetOwner(this, "ANCHOR_LEFT")
    GameTooltip:SetText("Blizz Nameplates+")
    GameTooltip:AddLine("Left-click: Open settings", 1, 1, 1)
    GameTooltip:AddLine("Drag: Move minimap button", 0.8, 0.8, 0.8)
    GameTooltip:Show()
  end)

  button:SetScript("OnLeave", function()
    GameTooltip:Hide()
  end)

  UpdatePosition()
  self.minimapButton = button
end