---------------------------------------------------------------
-- Init.lua: Main frame creation, version checking, slash cmd
---------------------------------------------------------------
-- Create the main frame and check all loaded settings.
-- Validate compatibility with older versions.
-- Create the slash handler function.

local addOn, db = ...
---------------------------------------------------------------
-- Create main frame (not visible to user)
---------------------------------------------------------------
local ConsolePort = CreateFrame("FRAME", "ConsolePort")
---------------------------------------------------------------
local CRITICALUPDATE, NEWCALIBRATION, BINDINGSLOADED
---------------------------------------------------------------
-- VERSION: generate a comparable integer from addon metadata 
---------------------------------------------------------------
local v1, v2, v3 = strsplit("%d+.", GetAddOnMetadata(addOn, "Version"))
local VERSION = v1*10000+v2*100+v3
---------------------------------------------------------------
-- Initialize addon tables
---------------------------------------------------------------
db.ICONS 	= {}
db.TEXTURE 	= {}
db.SECURE 	= {}
db.PANELS 	= {}
db.PLUGINS 	= {}

---------------------------------------------------------------
-- Popup functions 
---------------------------------------------------------------
local function LoadDefaultBindings()
	ConsolePortConfig:OpenCategory("Binds")
	ConsolePortConfigContainerBinds:Default()
	ConsolePort:CheckLoadedSettings()
end	

local function LoadWoWmapper()
	db.Settings.calibration = db.table.copy(WoWmapper.Keys)
	for k, v in pairs(WoWmapper.Settings) do
		db.Settings[k] = v
	end
	db.Settings.type = db.Settings.forceController or db.Settings.type
end

local function ResetAll()
	if not InCombatLockdown() then
		ConsolePortBindingSet = nil
		ConsolePortUIFrames = nil
		ConsolePortSettings = nil
		ConsolePortUtility = nil
		ConsolePortMouse = nil
		ConsolePortUIConfig = nil
		ConsolePortBarSetup = nil
		ReloadUI()
	else
		print("|cffffe00aConsolePort|r:", SLASH.COMBAT)
	end
end

local function CancelPopup()
	ConsolePort:ClearPopup()
	ConsolePort:CheckLoadedSettings()
end

---------------------------------------------------------------

function ConsolePort:LoadSettings()

	local fullReset, selectController

	-----------------------------------------------------------
	-- Set/load addon settings
	-----------------------------------------------------------
	if not ConsolePortSettings then
		fullReset, selectController = true, true
		ConsolePortSettings = self:GetDefaultAddonSettings()
	-----------------------------------------------------------
	else local set = ConsolePortSettings -- compat: new binding ID fix, remove later on.
		set.CP_T3 = set.CP_T3 or 'CP_L_GRIP'
		set.CP_T4 = set.CP_T4 or 'CP_R_GRIP'
	-----------------------------------------------------------
	end

	db.Settings = ConsolePortSettings

	-----------------------------------------------------------
	-- Load exported WoWmapper settings
	-----------------------------------------------------------
	if WoWmapper then
		if db.Settings.wmupdate or ( not db.Settings.calibration ) then
			db.Settings.wmupdate = nil
			LoadWoWmapper()
		else
			local cs, ws = db.Settings, WoWmapper.Settings
			local cb, wk = cs.calibration, WoWmapper.Keys
			for k, v in pairs(cb) do
				if wk[k] ~= v then
					NEWCALIBRATION = true
					break
				end
			end
			for k, v in pairs(ws) do
				if k ~= "type" and cs[k] ~= v then
					NEWCALIBRATION = true
					break
				end
			end
		end
		selectController = false
	end

	-- Set a binding for WoWmapper to let ConsolePort know something changed.
	-- Use an unreferenced frame to make sure this binding doesn't get cleared.
	SetOverrideBinding(CreateFrame("Frame"), true, "ALT-CTRL-SHIFT-F12", "WM_UPDATE")

	-----------------------------------------------------------
	-- Load controller splash if no preference exists
	-----------------------------------------------------------

	if selectController then
		self:SelectController()
	end

	self:LoadLookup()

	-----------------------------------------------------------
	-- Set/load mouse settings
	-----------------------------------------------------------
	if not ConsolePortMouse then
		ConsolePortMouse = {
			Events = self:GetDefaultMouseEvents(),
			Cursor = self:GetDefaultMouseCursor(),
		}
	end
	
	-----------------------------------------------------------
	-- Add empty bindings popup for later use
	-----------------------------------------------------------

	StaticPopupDialogs["CONSOLEPORT_IMPORTBINDINGS"] = {
		button1 = db.TUTORIAL.SLASH.ACCEPT,
		button2 = db.TUTORIAL.SLASH.CANCEL,
		showAlert = true,
		timeout = 0,
		whileDead = true,
		hideOnEscape = true,
		preferredIndex = 3,
		enterClicksFirstButton = true,
		exclusive = true,
		OnAccept = LoadDefaultBindings,
		OnCancel = CancelPopup,
		OnShow = function(self) 
			if 	( ConsolePortSplashFrame and ConsolePortSplashFrame:IsVisible() ) or
				( ConsolePortCalibrationFrame and ConsolePortCalibrationFrame:IsVisible() ) then
				self:Hide()
			end
		end,
	}

	-----------------------------------------------------------
	-- Extra features
	-----------------------------------------------------------
	-- Use these frames in the virtual cursor stack
	if not ConsolePortUIFrames then
		ConsolePortUIFrames = self:GetDefaultUIFrames()
	end

	-- Use this table to populate radial action bar
	if not ConsolePortUtility then
		ConsolePortUtility = {}
	end

	----------------------------------------------------------

	db.UIStack = ConsolePortUIFrames
	db.Mouse = ConsolePortMouse

	----------------------------------------------------------

	-- Load the calibration wizard if a button does not have a registered mock binding
	if 	self:CheckCalibration() then
		self:CalibrateController()
	end

	-- Slash handler and stuff related to that
	local SLASH = db.TUTORIAL.SLASH

	local function ShowSplash(...)
		local controller = ...
		controller = controller and strupper(controller)
		if db.Controllers[controller] then
			db.Settings.type = controller

			for k, v in pairs(db.Controllers[controller].Settings) do
				db.Settings[k] = v
			end

			-- Store this flag to run settings check after reload
			db.Settings.newController = true
			db.Settings.forceController = controller

			PlaySound("GLUEENTERWORLDBUTTON")
			ReloadUI()
		else
			ConsolePort:SelectController()
		end
	end
	local function PrintHeader(msg)
		print( "|T" .. ( db.TEXTURE.CP_X_CENTER or "" ) .. ":24:24:0:0|t |cffffe00aConsolePort|r: " .. ( msg or "" ) )
	end
	local function SetControllerCVar(...)
		local cvar, value = ...
		local original = ConsolePort:GetCompleteCVarList()[cvar]
		if original ~= nil then
			if value == "true" then value = true
			elseif value == "false" then value = false
			elseif tonumber(value) then value = tonumber(value)
			end
			if value == "nil" then
				db.Settings[cvar] = nil
				PrintHeader()
				print(format(SLASH.CVAR_APPLIED, cvar, 'nullified'))
				print(SLASH.CVAR_WARNING_NULL)
			elseif value == nil then
				PrintHeader()
				print(format(SLASH.CVAR_PRINTOUT, cvar, db.Settings[cvar]))
			elseif type(original) ~= type(value) then
				PrintHeader()
				print(format(SLASH.CVAR_MISMATCH, cvar, type(original)))
			else
				db.Settings[cvar] = value
				PrintHeader()
				print(format(SLASH.CVAR_APPLIED, cvar, tostring(value)))
			end
		else
			PrintHeader()
			print(format(SLASH.CVAR_NOEXISTS, cvar or "<empty>"))
		end
	end
	local function PrintCVars(...)
		local cvars = ConsolePort:GetCompleteCVarList()
		PrintHeader(SLASH.CVAR_PRINTING)
		for k, v in db.table.spairs(cvars) do
			print(format("|cff69ccf0/cp %s|r: %s", k, tostring(v)))
		end
		print(SLASH.CVAR_WARNING)
	end
	local function ActionBarShow(...)
		if ConsolePortBar and not InCombatLockdown() then
			ConsolePortBar:ShowLayoutPopup()
		else
			print(SLASH.ACTIONBAR_NOEXISTS)
		end
	end
	local function ShowHelp() ConsolePortConfig:OpenCategory(HELP_LABEL) end
	local function ShowBinds() ConsolePortConfig:OpenCategory(2) end
	local function ShowConfig() ConsolePortConfig:Show() end
	local function ShowCalibration() if ConsolePortConfig:IsVisible() then ConsolePortConfig:Hide() end ConsolePort:CalibrateController(true) end

	local instructions = {
		["help"] = {desc = HELP_LABEL .. ' & ' .. SHOW_TUTORIALS, func = ShowHelp},
		["actionbar"] = {desc = SLASH.ACTIONBAR_SHOW, func = ActionBarShow},
		["type"] = {desc = SLASH.TYPE, func = ShowSplash},
		["config"] = {desc = SLASH.CONFIG, func = ShowConfig},
		["cvar"] = {desc = SLASH.CVARLIST, func = PrintCVars},
		["binds"] = {desc = SLASH.BINDS, func = ShowBinds},
		["recalibrate"] = {desc = SLASH.RECALIBRATE, func = ShowCalibration},
		["resetall"] = {desc = SLASH.RESET, func = ResetAll},
	}

	SLASH_CONSOLEPORT1, SLASH_CONSOLEPORT2 = "/cp", "/consoleport"
	SlashCmdList["CONSOLEPORT"] = function(msg, editBox)
		local inputs = {}
		local cvars = ConsolePort:GetCompleteCVarList()
		if type(msg) == "string" then
			for word in msg:gmatch("%S+") do
				inputs[#inputs + 1] = word
			end
		end
		local funcName = inputs[1]
		if funcName and instructions[funcName] then
			tremove(inputs, 1)
			instructions[funcName].func(unpack(inputs))
		elseif funcName and cvars[funcName] ~= nil then
			SetControllerCVar(unpack(inputs))
		else
			PrintHeader()
			for k, v in db.table.spairs(instructions) do
				print(format("|cff69ccf0/cp %s|r: %s", k, v.desc))
			end
		end
	end
	self.LoadSettings = nil
end

function ConsolePort:WMupdate()
	StaticPopupDialogs["CONSOLEPORT_WMUPDATE"] = {
		text = db.TUTORIAL.SLASH.WMUPDATE,
		button1 = db.TUTORIAL.SLASH.ACCEPT,
		button2 = db.TUTORIAL.SLASH.CANCEL,
		showAlert = true,
		timeout = 0,
		whileDead = true,
		hideOnEscape = true,
		preferredIndex = 3,
		enterClicksFirstButton = true,
		exclusive = true,
		OnAccept = function()
			db.Settings.wmupdate = true
			ReloadUI()
		end,
		OnCancel = CancelPopup,
	}
	self:ShowPopup("CONSOLEPORT_WMUPDATE")
end

function ConsolePort:GetBindingSet(specID)
	-----------------------------------------------------------
	-- Set/load binding table
	-----------------------------------------------------------
	local specID = specID or GetSpecialization()

	-- Flag spells loaded so the settings checkup doesn't run this part.
	BINDINGSLOADED = true

	-- Assert the SV binding set container exists before proceeding
	ConsolePortBindingSet = ConsolePortBindingSet or {}

	-- BC: Convert old binding set paradigm to spec-specific
	-- Check if set contains a string key, in which case it's using the
	-- outdated binding format. 
	if type(next(ConsolePortBindingSet)) == 'string' then
		ConsolePortBindingSet = {[specID] = ConsolePortBindingSet}
	end

	-- Assert the current specID is included in the set and that bindings exist,
	-- else create the subset and flag no bindings for the popup.
	local set = ConsolePortBindingSet
	set[specID] = set[specID] or db.table.copy(db.Bindings) or {}

	-- return the current binding set and the specID
	return set[specID], specID
end

function ConsolePort:CheckLoadedSettings()
	local settings = ConsolePortSettings
    if 	(settings and not settings.version) or 
		(settings.version < VERSION and CRITICALUPDATE) then
		StaticPopupDialogs["CONSOLEPORT_CRITICALUPDATE"] = {
			text = format(db.TUTORIAL.SLASH.CRITICALUPDATE, GetAddOnMetadata(addOn, "Version")),
			button1 = db.TUTORIAL.SLASH.ACCEPT,
			button2 = db.TUTORIAL.SLASH.CANCEL,
			showAlert = true,
			timeout = 0,
			whileDead = true,
			hideOnEscape = true,
			preferredIndex = 3,
			enterClicksFirstButton = true,
			exclusive = true,
			OnAccept = ResetAll,
			OnCancel = CancelPopup,
		}
		self:ShowPopup("CONSOLEPORT_CRITICALUPDATE")
	elseif settings then
		if settings.newController then
			local popupData = StaticPopupDialogs["CONSOLEPORT_IMPORTBINDINGS"]
			popupData.text = db.TUTORIAL.SLASH.NEWCONTROLLER
			self:ShowPopup("CONSOLEPORT_IMPORTBINDINGS")
			settings.newController = nil
		elseif NEWCALIBRATION and ( not settings.id or settings.id ~= WoWmapper.Settings.id ) then
			NEWCALIBRATION = nil
			settings.id = WoWmapper.Settings.id
			StaticPopupDialogs["CONSOLEPORT_CALIBRATIONUPDATE"] = {
				text = db.TUTORIAL.SLASH.CALIBRATIONUPDATE,
				button1 = db.TUTORIAL.SLASH.ACCEPT,
				button2 = db.TUTORIAL.SLASH.CANCEL,
				showAlert = true,
				timeout = 0,
				whileDead = true,
				hideOnEscape = true,
				preferredIndex = 3,
				enterClicksFirstButton = true,
				exclusive = true,
				OnAccept = function()
					LoadWoWmapper()
					ReloadUI()
				end,
				OnCancel = CancelPopup,
			}
			self:ShowPopup("CONSOLEPORT_CALIBRATIONUPDATE")
		elseif BINDINGSLOADED and ( not db.Bindings or not next(db.Bindings) ) then
			local popupData = StaticPopupDialogs["CONSOLEPORT_IMPORTBINDINGS"]
			popupData.text = db.TUTORIAL.SLASH.NOBINDINGS
			self:ShowPopup("CONSOLEPORT_IMPORTBINDINGS")
		end
	end
end

function ConsolePort:CreateActionButtons()
	for name in self:GetBindings() do
		for modifier in self:GetModifiers() do
			local secure = self:CreateSecureButton(name, modifier, self:GetUIControlKey(name))
		end
	end
	self.CreateActionButtons = nil
end