local _, shared = ...
---@cast shared HeimdallShared
local ModuleName = "AgentTracker"

---@class AgentTrackerData
---@field agents ReactiveValue<table<string, string>>

---@class HeimdallAgentTrackerConfig
---@field enabled boolean
---@field debug boolean
---@field channels string[]

---@class AgentTracker
shared.AgentTracker = {
	---@param name string
	---@return boolean
	Track = function(name)
		if not name then return false end
		local exists = shared.AgentTracker.IsAgent(name)
		if exists then return false end
		shared.agentTracker.agents[name] = date("%Y-%m-%dT%H:%M:%S")
		-- Heimdall_Data.config.agents[name] = date("%Y-%m-%dT%H:%M:%S")
		if Heimdall_Data.config.agentTracker.debug then
			print(string.format("[%s] Tracking new agent: %s", ModuleName, name))
			shared.dump(shared.agentTracker.agents)
		end
		return true
	end,
	---@param name string
	---@return boolean
	IsAgent = function(name)
		if not name then return false end
		return shared.agentTracker.agents[name] ~= nil
	end,
	---@param callback fun(agent: string)
	OnChange = function(callback) shared.agentTracker.agents:onChange(callback) end,
	---@param callback fun(agent: string)
	ForEach = function(callback)
		---@type table<string, string>
		local agents = shared.agentTracker.agents:get()
		for name, _ in pairs(agents) do
			callback(name)
		end
	end,
	---@return nil
	Init = function()
		shared.agentTracker = {
			agents = ReactiveValue.new(Heimdall_Data.config.agents),
		}

		--/run Heimdall_Data.config.agents["Cyheuraeth"]=date("%Y-%m-%dT%H:%M:%S")
		---@type table<string, boolean>
		local channelRosterFrame = CreateFrame("Frame")
		channelRosterFrame:RegisterEvent("CHANNEL_ROSTER_UPDATE")
		channelRosterFrame:SetScript("OnEvent", function(self, event, index)
			if Heimdall_Data.config.agentTracker.debug then
				print(string.format("[%s] Channel roster update received", ModuleName))
			end
			if not Heimdall_Data.config.agentTracker.enabled then
				if Heimdall_Data.config.agentTracker.debug then
					print(string.format("[%s] Module disabled, ignoring roster update", ModuleName))
				end
				return
			end
			local name = GetChannelDisplayInfo(index)
			if Heimdall_Data.config.agentTracker.debug then
				print(string.format("[%s] Processing channel update: %s (index: %d)", ModuleName, name or "nil", index))
			end
			if name ~= Heimdall_Data.config.agentTracker.masterChannel then
				if Heimdall_Data.config.agentTracker.debug then
					print(string.format("[%s] Ignoring non-master channel: %s", ModuleName, name or "nil"))
				end
				return
			end
			local count = select(5, GetChannelDisplayInfo(index))
			if Heimdall_Data.config.agentTracker.debug then
				print(string.format("[%s] Processing %d members in channel", ModuleName, count))
			end

			local newAgents = 0
			for i = 1, count do
				name = GetChannelRosterInfo(index, i)
				shared.AgentTracker.Track(name)
			end

			if Heimdall_Data.config.agentTracker.debug then
				print(string.format("[%s] Roster update complete - Added %d new agents", ModuleName, newAgents))
			end
		end)

		local agentTrackerChannelSniffer = CreateFrame("Frame")
		agentTrackerChannelSniffer:RegisterEvent("CHAT_MSG_CHANNEL")
		agentTrackerChannelSniffer:SetScript("OnEvent", function(self, event, msg, sender, ...)
			--		if Heimdall_Data.config.agentTracker.debug then
			--			print(string.format("[%s] Channel message received from: %s", ModuleName, sender))
			--		end
			if not Heimdall_Data.config.agentTracker.enabled then
				--			if Heimdall_Data.config.agentTracker.debug then
				--				print(string.format("[%s] Module disabled, ignoring channel message", ModuleName))
				--			end
				return
			end

			local channelId = select(6, ...)
			local _, channelname = GetChannelName(channelId)
			local ok = false
			for _, channel in pairs(Heimdall_Data.config.agentTracker.channels) do
				if channel == channelname then
					ok = true
					break
				end
			end
			if not ok then
				if Heimdall_Data.config.agentTracker.debug then
					print(string.format("[%s] Channel name does not match any of the channels", ModuleName))
				end
				return
			end
			if Heimdall_Data.config.agentTracker.debug then
				print(string.format("[%s] Processing message from master channel: %s", ModuleName, sender))
			end

			sender = string.match(sender, "^[^-]+")
			local new = shared.AgentTracker.Track(sender)

			if Heimdall_Data.config.agentTracker.debug then
				print(
					string.format(
						"[%s] %s agent from message: %s",
						ModuleName,
						new and "Added new" or "Updated existing",
						sender
					)
				)
			end
		end)

		if Heimdall_Data.config.agentTracker.debug then
			print(string.format("[%s] Module initialized", ModuleName))
			shared.dump(shared.agentTracker.agents:get(), "Agents")
		end
		print(string.format("[%s] Module initialized", ModuleName))
	end,
}