package main

import (
	"fmt"
	"os"
	"path/filepath"

	"go.wit.com/dev/alexflint/arg"
	"go.wit.com/gui"
	"go.wit.com/lib/gui/repolist"
	"go.wit.com/lib/gui/shell"
	"go.wit.com/log"
)

var VERSION string

var rv *repolist.RepoList
var myargs args

func main() {
	arg.MustParse(&myargs)

	if myargs.Repo == "" {
		// tmp.WriteHelp(os.Stdout)
		// fmt.Println("hello world")
		tmp := myargs.Description()
		fmt.Println(tmp)
		os.Exit(0)
	}

	wdir, err := findWorkFile()
	if err != nil {
		log.Info(err)
		os.Exit(-1)
	}
	log.Info("go.work directory:", wdir)
	os.Setenv("REPO_WORK_PATH", wdir)

	// readControlFile()

	b := gui.RawBox()
	rv = repolist.AutotypistView(b)

	// clone(myargs.Repo)
	rv.NewRepo(myargs.Repo)

	// rv.NewRepo("go.wit.com/apps/helloworld")

	for _, repo := range rv.AllRepos() {
		log.Info("found repo", repo.GoPath(), repo.Status.Path())
	}

	//	rv.Watchdog(func() {
	//		log.Info("watchdog")
	//	})
}

func clone(path string) {
	pwd, err := os.Getwd()
	if err != nil {
		return
	}

	shell.RunPath(pwd, []string{"git", "clone", path})
}

// look for or make a go.work file
// otherwise use ~/go/src
func findWorkFile() (string, error) {
	pwd, err := os.Getwd()
	if err == nil {
		// Check for go.work in the current directory and then move up until root
		pwd, err = digup(pwd)
		if err == nil {
			os.Chdir(pwd)
			return pwd, nil
		}

		if myargs.Work {
			pwd := filepath.Join(pwd, "work")
			shell.Mkdir(pwd)
			os.Chdir(pwd)
			if _, err := os.Stat("go.work"); err == nil {
				return pwd, nil
			}
			shell.RunPath(pwd, []string{"go", "work", "init"})
			if shell.Exists("go.work") {
				return pwd, nil
			}
		}
	}

	homeDir, err := os.UserHomeDir()
	if err != nil {
		return "", err
	}
	pwd = filepath.Join(homeDir, "go/src")
	shell.Mkdir(pwd)
	os.Chdir(pwd)
	return pwd, nil
}

func digup(path string) (string, error) {
	for {
		workFilePath := filepath.Join(path, "go.work")
		if _, err := os.Stat(workFilePath); err == nil {
			return path, nil // Found the go.work file
		} else if !os.IsNotExist(err) {
			return "", err // An error other than not existing
		}

		parentPath := filepath.Dir(path)
		if parentPath == path {
			break // Reached the filesystem root
		}
		path = parentPath
	}

	return "", fmt.Errorf("no go.work file found")
}