local M = {}

local flavours = {"latte", "frappe", "macchiato", "mocha"}

local command = vim.api.nvim_create_user_command

command("Catppuccin", function(inp)
	if not vim.tbl_contains(flavours, inp.args) then
		local echo = require("catppuccin.utils.echo")
		echo("Invalid flavour", "info")
		return
	end
	vim.g.catppuccin_flavour = inp.args
	vim.cmd "colorscheme catppuccin"
end, {
	nargs = 1,
	complete = function(line)
		return vim.tbl_filter(function(val)
			return vim.startswith(val, line)
		end, flavours)
	end
})

command("CatppuccinCompile", function()
	require("catppuccin.utils.util").compile()
end, {})

command("CatppuccinClean", function()
	require("catppuccin.utils.util").clean()
end, {})

local function load()
	local catppuccin = require("catppuccin")

	if catppuccin.before_loading ~= nil then
		catppuccin.before_loading()
	end

	local config = require("catppuccin.config").options
	if config.compile.enable == true then
		local compiled_path = config.compile.path .. (vim.loop.os_uname().sysname == 'Windows' and "\\" or "/") .. vim.g.catppuccin_flavour .. config.compile.suffix .. ".lua"
		local f = io.open(compiled_path, "r")
		if f ~= nil then
			io.close(f)
			vim.cmd("luafile " .. compiled_path)
			vim.api.nvim_exec_autocmds("User", { pattern = "CatppuccinLoaded" })
			return
		end
	end
	-- colorscheme gets evaluated from mapper.lua
	local theme = require("catppuccin.core.mapper").apply()
	local utils = require("catppuccin.utils.util")
	utils.load(theme)

	if catppuccin.after_loading ~= nil then
		catppuccin.after_loading()
	end

	vim.api.nvim_exec_autocmds("User", { pattern = "CatppuccinLoaded" })
end

function M.main(option)
	option = option or "load"

	if option == "load" then
		load()
	else
		print("catppuccin: option was not recognized")
	end
end

return M