local GREY = "|cff999999"
local RED = "|cffff0000"
local WHITE = "|cffFFFFFF"
local GREEN = "|cff1eff00"
local PURPLE = "|cff9F3FFF"
local BLUE = "|cff0070dd"
local ORANGE = "|cffFF8400"

local AL = AtlasLoot.L
local currentPage = 1
local SearchResult = nil

function AtlasLoot:ShowSearchResult()
	AtlasLoot_ShowItemsFrame("SearchResult", "SearchResultPage"..currentPage)
end

local function strtrim(s)
	return (string.gsub(s, "^%s*(.-)%s*$", "%1"))
end

local function contains(itemID)
	if not itemID then return false end
	for k, v in pairs(AtlasLootCharDB["SearchResult"]) do
		if v[1] == itemID then return true end
	end
	return false
end

local function search(dataSource, text)
	if dataSource == "AtlasLootFallback" then return end
	local partial = AtlasLootCharDB.PartialMatching
	for dataID, data in pairs(AtlasLoot_Data[dataSource]) do
		if type(data) == "table" then
			for _, v in ipairs(data) do
				if not contains(v[1]) then
					local found = false
					-- item
					if type(v[1]) == "number" and v[1] > 0 then
						local itemName, link, quality = GetItemInfo(v[1])
						if not itemName then
							itemName = gsub(v[3], "=q%d=", "")
							local _, _, q = string.find(v[3], "=q(%d)=")
							quality = q
						end
						if partial then
							found = string.find(string.lower(itemName), text, 1, true)
						else
							found = string.lower(itemName) == text
						end
						if found then
							if quality then itemName = "=q"..quality.."="..itemName end
							table.insert(AtlasLootCharDB["SearchResult"], { v[1], v[2], itemName, v[4], dataID.."|"..dataSource })
						end
					-- enchant or spell
					elseif type(v[1]) == "string" and (string.sub(v[1], 1, 1) == "e" or string.sub(v[1], 1, 1) == "s") then
						local spellName
						spellName = gsub(v[3], "=ds=", "")
						spellName = gsub(v[3], "=q%d=", "")
						if partial then
							found = string.find(string.lower(spellName), text, 1, true)
						else
							found = string.lower(spellName) == text
						end
						if found then
							spellName = string.sub(v[3], 1, 4)..spellName
							table.insert(AtlasLootCharDB["SearchResult"], { v[1], v[2], spellName, v[4], dataID.."|"..dataSource })
						end
					end
				end
			end
		end
	end
end

function AtlasLoot:Search(Text)
	if not Text then return end
	Text = strtrim(Text)
	if Text == "" then return end
	local text = string.lower(Text)

	AtlasLootCharDB["SearchResult"] = {}
	AtlasLootCharDB.LastSearchedText = Text
	for dataSource in pairs(AtlasLoot_Data) do
		search(dataSource, text)
	end

	if getn(AtlasLootCharDB["SearchResult"]) == 0 then
		DEFAULT_CHAT_FRAME:AddMessage(RED..AL["AtlasLoot"]..": "..WHITE..AL["No match found for"].." \""..Text.."\".")
	else
		currentPage = 1
		SearchResult = AtlasLoot_CategorizeWishList(AtlasLootCharDB["SearchResult"])
		AtlasLoot_ShowItemsFrame("SearchResult", "SearchResultPage1")
	end
end

function AtlasLoot:ShowSearchOptions(button)
	local Hewdrop = AceLibrary("Hewdrop-2.0")
	if Hewdrop:IsOpen(button) then
		Hewdrop:Close(1)
	else
		local setOptions = function()
			Hewdrop:AddLine(
				"text", AL["Search options"],
				"isTitle", true,
				"notCheckable", true
			)
			Hewdrop:AddLine(
				"text", AL["Partial matching"],
				"checked", AtlasLootCharDB.PartialMatching,
				"tooltipTitle", AL["Partial matching"],
				"tooltipText", AL["If checked, AtlasLoot searches item names for a partial match."],
				"func", function() AtlasLootCharDB.PartialMatching = not AtlasLootCharDB.PartialMatching end
			)
		end
		Hewdrop:Open(button,
			'point', function(parent)
				return "BOTTOMLEFT", "BOTTOMRIGHT"
			end,
			"children", setOptions
		)
	end
end

function AtlasLoot:GetOriginalDataFromSearchResult(itemID)
	for i, v in ipairs(AtlasLootCharDB["SearchResult"]) do
		if v[1] == itemID then return unpack(v) end
	end
end

-- Copied and modified from AtlasLoot_GetWishListPage
function AtlasLoot:GetSearchResultPage(page)
	if not SearchResult then SearchResult = AtlasLoot_CategorizeWishList(AtlasLootCharDB["SearchResult"]) end
	-- Calc for maximal pages
	local pageMax = math.ceil(getn(SearchResult) / 30)
	if page < 1 then page = 1 end
	if page > pageMax then page = pageMax end
	currentPage = page

	-- Table copy
	local result = {}
	local start = (page - 1) * 30 + 1
	for i = start, start + 29 do
		if not SearchResult[i] then break end
		table.insert(result, SearchResult[i])
	end
	return result, pageMax
end