package main

import (
	// Standard
	"bufio"
	"flag"
	"fmt"
	"os"
	"runtime"
)

var (
	mainCommandset CommandSet
	flagConfigDir string
)

func main() {
	var defaultConfigDir string
	switch runtime.GOOS {
	case "linux", "darwin":
		defaultConfigDir = "Default is $HOME/.config/launcher/."
	case "windows":
		defaultConfigDir = "Default is %USERPROFILE\\/launcher\\."
	}
	flag.StringVar(
		&flagConfigDir,
		"config",
		"",
		"Specify the directory containing configuration.\n"+
		defaultConfigDir,
	)
	flag.Parse()

	// Finding the files to parse commands from
	files, err := getCommandsetFiles()
	if err != nil {
		fmt.Println(err)
		os.Exit(1)
	}

	// Actually reading and parsing the YAML files into the
	// CommandSet structs
	errors := false
	for _, fName := range files {
		cset, err := CreateCommandSet(fName)
		if err != nil {
			fmt.Printf("\x1b[31m%s:\x1b[0m\n%s\n\n", fName, err)
			errors = true
		} else {
			mainCommandset.Commands = append(
				mainCommandset.Commands,
				cset,
			)
		}
	}

	if errors {
		fmt.Printf("\x1b[33mPress enter to continue\x1b[0m\n")
		bufio.NewReader(os.Stdin).ReadBytes('\n')
		os.Exit(1)
	}

	// Screen needs to be initialized
	InitUI()
	LoopUI(&mainCommandset)
}