local addonName = ...
local addon = _G[addonName]

local L = LibStub("AceLocale-3.0"):GetLocale(addonName)
local BI = LibStub("LibBabble-Inventory-3.0"):GetLookupTable()

local INFO_REALM_LINE = 0
local INFO_CHARACTER_LINE = 1
local INFO_TOTAL_LINE = 2

local WHITE		= "|cFFFFFFFF"
local TEAL		= "|cFF00FF9A"
local RED		= "|cFFFF0000"
local ORANGE	= "|cFFFF7F00"
local YELLOW	= "|cFFFFFF00"
local GREEN		= "|cFF00FF00"

local RECIPE_GREY		= "|cFF808080"
local RECIPE_GREEN	= "|cFF40C040"
local RECIPE_ORANGE	= "|cFFFF8040"

local ICON_FACTION_HORDE = "Interface\\Icons\\INV_BannerPVP_01"
local ICON_FACTION_ALLIANCE = "Interface\\Icons\\INV_BannerPVP_02"

local ns = addon.TradeSkills		-- ns = namespace
local Characters = addon.Characters

local size = 22
local inset = 2


function ns:Update()
	local VisibleLines = 20
	local frame = "AltoholicFrameSkills"
	local entry = frame.."Entry"
	local DS = DataStore

	-- CoA: vertical list. For each visible character a header row, then one row per known
	-- profession / secondary skill (icon + name + rank/max), top to bottom (like the other detail views).
	local SECONDARY = { 2550, 3273, 7733 }		-- Cooking, First Aid, Fishing (spell id -> icon + GetSpellInfo name)
	local items = {}
	for _, viewLine in pairs(Characters:GetView()) do
		if Characters:GetLineType(viewLine) == INFO_CHARACTER_LINE then
			local character = DS:GetCharacter( Characters:GetInfo(viewLine) )
			items[#items + 1] = { kind = "header", viewLine = viewLine, character = character }

			local profs = Characters:GetField(viewLine, "professions")
			if profs then
				for _, p in ipairs(profs) do
					items[#items + 1] = { kind = "skill", viewLine = viewLine, character = character,
						spellID = p.spellID, name = p.name, rank = p.rank or 0, maxRank = p.maxRank or 0 }
				end
			end
			for _, sid in ipairs(SECONDARY) do
				local sName = GetSpellInfo(sid)
				if sName then
					local cur, max = DS:GetSkillInfo(character, sName)
					if cur and cur > 0 then
						items[#items + 1] = { kind = "skill", viewLine = viewLine, character = character,
							spellID = sid, name = sName, rank = cur, maxRank = max or 0 }
					end
				end
			end
			local riding = Characters:GetField(viewLine, "riding") or 0
			if riding > 0 then
				items[#items + 1] = { kind = "skill", viewLine = viewLine, character = character,
					spellID = 33388, name = (L and L["Riding"]) or "Riding", rank = riding, maxRank = 300 }
			end
		end
	end

	local offset = FauxScrollFrame_GetOffset( _G[ frame.."ScrollFrame" ] )
	for i = 1, VisibleLines do
		local e = entry..i
		local btn = _G[e]
		local item = items[i + offset]
		if item then
			_G[e.."Collapse"]:Hide()
			_G[e.."Level"]:SetText("")
			_G[e.."Skill1NormalText"]:SetText("")
			_G[e.."CookingNormalText"]:SetText("")
			_G[e.."FirstAidNormalText"]:SetText("")
			_G[e.."FishingNormalText"]:SetText("")
			_G[e.."RidingNormalText"]:SetText("")
			_G[e.."Name"]:SetWidth(680)
			_G[e.."Name"]:SetPoint("TOPLEFT", 15, 0)
			_G[e.."NameNormalText"]:SetWidth(680)

			if item.kind == "header" then
				local _, class = DS:GetCharacterClass(item.character)
				_G[e.."NameNormalText"]:SetText( (DS:GetColoredCharacterName(item.character) or "?") .. "   " .. WHITE .. "(" .. (class or "") .. ")" )
			else
				local iconEsc = ""
				if item.spellID then
					iconEsc = addon:TextureToFontstring2(addon:GetSpellIcon(item.spellID), size, size, inset, inset, inset, inset) .. " "
				end
				local cap = (item.maxRank > 0) and item.maxRank or 450
				_G[e.."NameNormalText"]:SetText( "        " .. iconEsc .. WHITE .. item.name .. "   " .. ns:GetColor(item.rank, cap) .. item.rank .. "/" .. item.maxRank .. "|r" )
			end
			btn.coaItem = item
			btn:SetID(item.viewLine or 0)
			btn:Show()
		else
			btn.coaItem = nil
			btn:SetID(0)
			btn:Hide()
		end
	end
	FauxScrollFrame_Update( _G[ frame.."ScrollFrame" ], #items, VisibleLines, 18 )
end

function ns:OnEnter(frame)
	local item = frame:GetParent() and frame:GetParent().coaItem
	if not item or item.kind ~= "skill" then return end
	AltoTooltip:ClearLines()
	AltoTooltip:SetOwner(frame, "ANCHOR_RIGHT")
	AltoTooltip:AddLine(WHITE .. item.name, 1, 1, 1)
	local cap = (item.maxRank > 0) and item.maxRank or 450
	AltoTooltip:AddLine( ns:GetColor(item.rank, cap) .. item.rank .. " / " .. item.maxRank, 1, 1, 1 )
	AltoTooltip:Show()
end

function ns:OnClick(frame, button)
	-- CoA: clicking a profession row opens that character's profession recipe list, if available.
	local item = frame:GetParent() and frame:GetParent().coaItem
	if not item or item.kind ~= "skill" or not item.character then return end
	if addon.Tabs and addon.Tabs.Characters and addon.Tabs.Characters.ViewCharInfo then
		local name, realm, account = Characters:GetInfo(item.viewLine)
		addon:SetCurrentCharacter(name, realm, account)
		addon.Tabs.Characters:SetCurrent(name, realm, account)
		addon.Tabs:OnClick(2)
	end
end


local skillColors = { RECIPE_GREY, RED, ORANGE, YELLOW, GREEN }

function ns:GetColor(rank, skillCap)
	rank = rank or 0		-- CoA: skill fields are nil for chars DataStore_Characters hasn't scanned
	skillCap = skillCap or 450
	-- CoA: custom professions can exceed skillCap (e.g. ranks > 450), which would
	-- push the index past the 5-colour table and return nil -> crash on concat.
	-- Clamp into [1, #skillColors].
	local index = floor(rank / (skillCap / 4)) + 1
	if index < 1 then index = 1 end
	if index > #skillColors then index = #skillColors end
	return skillColors[index]
end