package gitpb

import (
	"errors"
	"fmt"
	"os"
	"path/filepath"
	"strings"
	"time"

	"github.com/go-cmd/cmd"
	"go.wit.com/lib/gui/shell"
	"go.wit.com/log"
)

// execute something with the working directory
// set to the FullPath
func (repo *Repo) Run(cmd []string) cmd.Status {
	result := shell.PathRun(repo.FullPath, cmd)
	output := strings.Join(result.Stdout, "\n")
	if result.Error != nil {
		log.Warn("cmd:", cmd)
		log.Warn("ouptput:", output)
		log.Warn("failed with error:", result.Error)
	}
	return result
}

func (repo *Repo) RunQuiet(cmd []string) cmd.Status {
	result := shell.PathRunQuiet(repo.FullPath, cmd)
	return result
}

func (repo *Repo) RunEcho(cmd []string) cmd.Status {
	result := shell.PathRunQuiet(repo.FullPath, cmd)
	log.Info("cmd:", repo.FullPath, cmd)
	log.Warn("cmd.Exit:", result.Exit, "cmd.Error:", result.Error)
	for _, line := range result.Stdout {
		log.Info("STDOUT:", line)
	}
	for _, line := range result.Stderr {
		log.Info("STDERR:", line)
	}
	return result
}

func (repo *Repo) RunRealtime(cmd []string) cmd.Status {
	return shell.PathRunRealtime(repo.GetFullPath(), cmd)
}

// error if result.Error or if result.Exit != 0
func (repo *Repo) RunStrict(cmd []string) error {
	return repo.StrictRun(cmd)
}

func (repo *Repo) StrictRun(cmd []string) error {
	result := repo.RunQuiet(cmd)
	if result.Error != nil {
		log.Warn(repo.GoPath, cmd, "wow. golang is cool. an os.Error:", result.Error)
		return result.Error
	}
	if result.Exit != 0 {
		log.Warn(cmd, "failed with", result.Exit)
		return errors.New(fmt.Sprint(cmd, "failed with", result.Exit))
	}
	return nil
}

func (repo *Repo) Exists(filename string) bool {
	if repo == nil {
		return false
	}
	testf := filepath.Join(repo.FullPath, filename)
	_, err := os.Stat(testf)
	if err != nil {
		return false
	}
	return true
}

func (repo *Repo) IsValid() bool {
	if !repo.IsDirectory() {
		return false
	}
	return true
}

func (repo *Repo) IsDirectory() bool {
	info, err := os.Stat(repo.FullPath)
	if err != nil {
		return false
	}
	return info.IsDir()
}

func (repo *Repo) mtime(filename string) (time.Time, error) {
	pathf := filepath.Join(repo.FullPath, filename)
	statf, err := os.Stat(pathf)
	if err == nil {
		return statf.ModTime(), nil
	}
	log.Log(GITPB, "mtime() os.Stat() error", pathf, err)
	return time.Now(), err
}