-- This source code form is subject to the terms of the MPL-v2 https://mozilla.org/MPL/2.0/ --
-- (re)loads the config file and stores settings
local X = require("x")
local Conf = {}

function Conf.onKeyPress(key, mod, cb)
	if type(key) ~= "string" or type(mod) ~= "number" or type(cb) ~= "function" then
		error("Parameters are wrong")
	end
	local n, err = X.grabKey(key, mod)
	assert(not err, err)
	local id = key..mod
	if Conf.keyPressHandlers[id] then
		error(string.format("Key %s with mod %i already bound", key, mod))
	end
	Conf.keyPressHandlers[id] = cb
end

function Conf.on(t, cb)
	Conf.eventHandlers[t] = cb
end

function Conf.init(path)
	Conf.keyPressHandlers = {}
	Conf.keyReleaseHandlers = {}
	Conf.eventHandlers = {}
	path = path or Conf.cmdArgs.config or (os.getenv("XDG_CONFIG_HOME") or (os.getenv("HOME").."/.config")).."/thornWM/config.lua"
	local func = loadfile(path)
	if func then
		local s, err = pcall(func)
		if s then
			return
		end
		print(string.format("Config %s failed:%s", path, err))
		os.exit(1)
	else
		print(string.format("Config %s not found", path))
	end
	local s, err = pcall((os.getenv("XDG_CONFIG_DIRS") or "/etc/xdg") .. "thornWM/config.lua")
	if not s then
		print(string.format("Config %s failed:%s", path, err))
		os.exit(1)
	end
end

return Conf