---@class Channel
---@field name string
---@field password string|nil

local debug = false

---@type Channel[]
local ourchannels = {
	{ name = "Horde", password = "durotaner" },
	{ name = "world_ru", password = nil },
	{ name = "Agent", password = "agents42" },
	{ name = "AgentRU", password = "42agents" },
	{ name = "EssenceAgent", password = nil },
}
---@type string
---@type string[]
local subscribedMessageGroups = {
	"SAY",
	"YELL",
	"EMOTE",
	"PARTY",
	"PARTY_LEADER",
	"RAID",
	"RAID_LEADER",
	"RAID_WARNING",
	"BATTLEGROUND",
	"BATTLEGROUND_LEADER",
	"INSTANCE_CHAT",
	"INSTANCE_CHAT_LEADER",
	"WHISPER",
}
---@type string[]
local subscribedChannels = {
	"Agent",
	"Horde",
	"Foobar",
}

local function JoinChannels(channels)
	for _, channel in ipairs(channels) do
		if channel.password then
			JoinPermanentChannel(channel.name, channel.password)
		else
			JoinPermanentChannel(channel.name)
		end
	end
end

---@param chatFrameName string
---@param groups string[]
---@param channels string[]
local function FindOrCreateChatFrame(chatFrameName, groups, channels)
	---@type Frame
	local chatFrame = nil

	if debug then print(string.format("Searching for chat window %s", chatFrameName)) end
	for i = 1, NUM_CHAT_WINDOWS do
		local name = GetChatWindowInfo(i)
		if name == chatFrameName then
			if debug then print(string.format("Found chat window %s", chatFrameName)) end
			local frame = _G["ChatFrame" .. i]
			if FCF_IsValidChatFrame(frame) then
				if debug then print(string.format("Frame %s is valid", chatFrameName)) end
				chatFrame = frame
			else
				if debug then print(string.format("Frame %s is invalid", chatFrameName)) end
			end
		end
	end

	if not chatFrame then
		if debug then print(string.format("Creating new chat window %s", chatFrameName)) end
		FCF_OpenNewWindow(chatFrameName)
		for i = 1, NUM_CHAT_WINDOWS do
			local name = GetChatWindowInfo(i)
			if name == chatFrameName then
				if debug then print(string.format("Found chat window %s", chatFrameName)) end
				local frame = _G["ChatFrame" .. i]
				if FCF_IsValidChatFrame(frame) then
					if debug then print(string.format("Frame %s is valid", chatFrameName)) end
					chatFrame = frame
				else
					if debug then print(string.format("Frame %s is invalid", chatFrameName)) end
				end
			end
		end
	end

	if debug then print(string.format("Removing all message groups to %s", chatFrameName)) end
	ChatFrame_RemoveAllMessageGroups(chatFrame)
	if debug then print(string.format("Removing all channels to %s", chatFrameName)) end
	ChatFrame_RemoveAllChannels(chatFrame)

	if debug then print(string.format("Adding message groups to %s", chatFrameName)) end
	for _, messageGroup in ipairs(groups) do
		if debug then print(string.format("Adding message group: %s to %s", messageGroup, chatFrameName)) end
		ChatFrame_AddMessageGroup(chatFrame, strtrim(messageGroup))
		ChatFrame_RemoveMessageGroup(ChatFrame1, strtrim(messageGroup))
	end

	if debug then print(string.format("Adding channels to %s", chatFrameName)) end
	for _, channel in ipairs(channels) do
		if debug then print(string.format("Adding channel: %s to %s", channel, chatFrameName)) end
		ChatFrame_AddChannel(chatFrame, strtrim(channel))
		ChatFrame_RemoveChannel(ChatFrame1, strtrim(channel))
	end

	if debug then print(string.format("Chat window %s configured", chatFrameName)) end
	return chatFrame
end

local function Privjet(channelname)
	local channels = { GetChannelList() }
	for i = 1, #channels, 2 do
		local id = channels[i]
		local name = channels[i + 1]
		if name == channelname then
			SendChatMessage("Zdravstvuyte ljudi!", "CHANNEL", nil, id)
			return
		end
	end
end

local function Configure()
	JoinChannels(ourchannels)
	FindOrCreateChatFrame("Auto", subscribedMessageGroups, subscribedChannels)
	FindOrCreateChatFrame("world_ru", {}, { "world_ru" })
	FindOrCreateChatFrame("AgentRU", {}, { "AgentRU" })

	C_Timer.After(1, function() Privjet("Agent") end)

	for i = 1, NUM_CHAT_WINDOWS do
		SetChatWindowSize(i, 14)
	end
end

local function ConfigureColor()
	print("[Channeler] Configuring colors")
	local firstChatTab = _G["ChatFrame1Tab"]
	if firstChatTab == nil then
		print("[Channeler] ChatFrame1Tab is nil")
		return
	end
	firstChatTab:Click("RightButton")

	local ok = false
	for i = 1, 10 do
		local dropdownButton = _G["DropDownList1Button" .. i]
		if dropdownButton ~= nil and dropdownButton:GetText() == "Settings" then
			print(string.format("[Channeler] Clicking on %s", dropdownButton:GetText()))
			dropdownButton:Click()
			ok = true
			break
		end
	end
	if not ok then
		print("[Channeler] Settings button not found")
		return
	end

	local firstConfig = _G["ChatConfigCategoryFrameButton1"]
	if firstConfig == nil then
		print("[Channeler] First config button not found")
		return
	end
	print(string.format("[Channeler] Clicking on %s", firstConfig:GetText()))
	firstConfig:Click()

	for i = 1, 16 do
		local buttonName = string.format("ChatConfigChatSettingsLeftCheckBox%dColorClasses", i)
		local classColorButton = _G[buttonName]
		if classColorButton ~= nil and classColorButton:GetChecked() == false then
			print(string.format("[Channeler] Clicking on %s", buttonName))
			classColorButton:Click()
		end
	end

	local secondConfig = _G["ChatConfigCategoryFrameButton3"]
	if secondConfig == nil then
		print("[Channeler] Second config button not found")
		return
	end
	print(string.format("[Channeler] Clicking on %s", secondConfig:GetText()))
	secondConfig:Click()

	for i = 1, 16 do
		local buttonName = string.format("ChatConfigChannelSettingsLeftCheckBox%dColorClasses", i)
		local classColorButton = _G[buttonName]
		if classColorButton ~= nil and classColorButton:GetChecked() == false then
			print(string.format("[Channeler] Clicking on %s", buttonName))
			classColorButton:Click()
		end
	end

	local okButton = _G["ChatConfigFrameOkayButton"]
	if okButton == nil then
		print("[Channeler] Ok button not found")
		return
	end
	print(string.format("[Channeler] Clicking on %s", okButton:GetText()))
	okButton:Click()

	print("[Channeler] Colors configured")
end

local frame = CreateFrame("Frame")
frame:RegisterEvent("PLAYER_LOGIN")
frame:RegisterEvent("PLAYER_ENTERING_WORLD")
frame:SetScript("OnEvent", function(self, event, ...)
	Configure()
	C_Timer.After(1, function() Configure() end)
end)
--Configure()

SlashCmdList["CHANNELER"] = function(msg) Configure() end
SLASH_CHANNELER1 = "/fix"
SLASH_CHANNELER2 = "/f"

-- /run SlashCmdList["CHANNELER_COLORS"]()
SlashCmdList["CHANNELER_COLORS"] = function(msg) ConfigureColor() end
SLASH_CHANNELER_COLORS1 = "/fixcolors"
SLASH_CHANNELER_COLORS2 = "/fc"