package cmd

import (
	oplcli "git.kapelle.org/niklas/opl-cli/internal"
	"github.com/alexflint/go-arg"
)

type ScanCmd struct {
	Files []string `arg:"positional,required"`
}

type RenameCmd struct {
	Files []string `arg:"positional,required"`
}

type ArtCmd struct {
	Files           []string `arg:"positional,required"`
	OutputDirectory string   `arg:"--output,-o" help:"where to download art files" default:"."`
}

type CfgCmd struct {
	Files           []string `arg:"positional,required"`
	OutputDirectory string   `arg:"--output,-o" help:"where to download cfg files" default:"."`
	Override        bool     `arg:"-f,--force" help:"Override existing cfg files"`
	Append          bool     `arg:"-a,--append" help:"Append to existing cfg files"`
}

type args struct {
	Scan             *ScanCmd   `arg:"subcommand:scan"`
	Rename           *RenameCmd `arg:"subcommand:rename"`
	Art              *ArtCmd    `arg:"subcommand:art"`
	Cfg              *CfgCmd    `arg:"subcommand:cfg"`
	GameListLocation string     `args:"--gamelist" default:"./ps2-gameslist.txt" help:"Location of game list"`
}

func Run() {
	var args args
	p := arg.MustParse(&args)

	config := oplcli.Config{
		GameListLocation: args.GameListLocation,
	}

	switch {
	case args.Scan != nil:
		oplcli.Scan(args.Scan.Files, config)
	case args.Rename != nil:
		oplcli.Rename(args.Rename.Files, config)
	case args.Art != nil:
		oplcli.DownloadGameArt(args.Art.Files, args.Art.OutputDirectory, config)
	case args.Cfg != nil:
		if args.Cfg.Override && args.Cfg.Append {
			p.FailSubcommand("Can only append or override cfg files", "cfg")
		}

		var mode oplcli.FileMode = oplcli.ModeOnlyCreate

		if args.Cfg.Append {
			mode = oplcli.ModeAppend
		}

		if args.Cfg.Override {
			mode = oplcli.ModeOverride
		}

		oplcli.DownloadCfg(args.Cfg.Files, args.Cfg.OutputDirectory, mode, config)
	default:
		p.Fail("Must specify command")
	}
}