local addonname, shared = ...
---@cast shared HeimdallShared
---@cast addonname string

---@diagnostic disable-next-line: missing-fields
shared.Macroer = {}
function shared.Macroer.Init()
	---@class stinky
	---@field name string
	---@field class string
	---@field seenAt number

	---@type table<string, stinky>
	local recentStinkies = {}

	local function FindOrCreateMacro(macroName)
		local idx = GetMacroIndexByName(macroName)
		if idx == 0 then
			CreateMacro(macroName, "INV_Misc_QuestionMark", "")
		end
		idx = GetMacroIndexByName(macroName)
		return idx
	end

	---@param stinkies table<string, stinky>
	local function FixMacro(stinkies)
		local priorityMap = {}
		for priority, className in ipairs(Heimdall_Data.config.macroer.priority) do
			priorityMap[className] = priority
		end
		local minPriority = #Heimdall_Data.config.macroer.priority + 1

		local sortedStinkies = {}
		for _, stinky in pairs(stinkies) do
			table.insert(sortedStinkies, stinky)
		end

		table.sort(sortedStinkies, function(a, b)
			local aPriority = priorityMap[a.class] or minPriority
			local bPriority = priorityMap[b.class] or minPriority
			return aPriority < bPriority
		end)

		local lines = {}
		for _, stinky in pairs(sortedStinkies) do
			if stinky.seenAt > GetTime() - 600 then
				print(string.format("Macroing %s", stinky.name))
				lines[#lines + 1] = string.format("/tar %s", stinky.name)
			end
		end

		local idx = FindOrCreateMacro("HeimdallTarget")
		local body = strjoin("\n", unpack(lines))
		EditMacro(idx, "HeimdallTarget", "INV_Misc_QuestionMark", body)
	end

	local frame = CreateFrame("Frame")
	frame:RegisterEvent("CHAT_MSG_CHANNEL")
	frame:SetScript("OnEvent", function(self, event, msg, sender, ...)
		if not Heimdall_Data.config.macroer.enabled then return end
		local doUpdate = false
		if string.find(msg, "^who:") then
			for name, class in string.gmatch(msg, "([^ -/]+)-?%w*/(%w+)") do
				recentStinkies[name] = {
					name = name,
					class = class,
					seenAt = GetTime(),
				}
				doUpdate = true
			end
		end
		local name, class = string.match(msg, "I see (Hostile) ([^ -/]+)-?%w*/(%w+) of")
		if not name then
			name, class = string.match(msg, "^([^ -/]+)-?%w* of class (%w+)")
		end
		if name then
			name = strtrim(name)
			name = string.match(name, "^(.*)-?")
			recentStinkies[name] = {
				name = name,
				class = class,
				seenAt = GetTime(),
			}
			doUpdate = true
		end
		if doUpdate then FixMacro(recentStinkies) end
	end)

	print("Heimdall - Macroer loaded")
end