// +build ignore

/*
 * Minio Client (C) 2014, 2015 Minio, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package main

import (
	"bytes"
	"fmt"
	"os"
	"os/exec"
	"text/template"
	"time"

	"github.com/minio/cli"
	"github.com/minio/mc/pkg/console"
)

type Version struct {
	Date string
}

func writeVersion(version Version) error {
	var versionTemplate = `// --------  DO NOT EDIT --------
// this is an autogenerated file

package main

import "time"

// Version autogenerated
var Version = {{if .Date}}"{{.Date}}"{{else}}""{{end}}

// getVersion -
func getVersion() string {
	t, _ := time.Parse(time.RFC3339Nano, Version)
	if t.IsZero() {
		return ""
	}
	return t.Format(time.RFC1123)
}
`
	t := template.Must(template.New("version").Parse(versionTemplate))
	versionFile, err := os.OpenFile("version.go", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
	if err != nil {
		return err
	}
	defer versionFile.Close()
	err = t.Execute(versionFile, version)
	if err != nil {
		return err
	}
	return nil
}

func runGoBuild(ctx *cli.Context) {
	if ctx.Args().First() == "help" {
		cli.ShowCommandHelpAndExit(ctx, "build", 1) // last argument is exit code
	}
	mcBuild := exec.Command("godep", "go", "build", "-a", "./...")
	mcTest := exec.Command("godep", "go", "test", "-race", "./...")
	mcInstall := exec.Command("godep", "go", "install", "-a", "github.com/minio/mc")
	mcBuildErr := mcBuild.Run()
	if mcBuildErr != nil {
		console.Fatalln(mcBuildErr)
	}
	var mcTestOut bytes.Buffer
	mcTest.Stdout = &mcTestOut
	mcTestErr := mcTest.Run()
	if mcTestErr != nil {
		console.Fatalln(mcTestErr)
	}
	fmt.Print(mcTestOut.String())
	mcInstallErr := mcInstall.Run()
	if mcInstallErr != nil {
		console.Fatalln(mcInstallErr)
	}
}

func runReleaseCmd(ctx *cli.Context) {
	if ctx.Args().First() == "help" {
		cli.ShowCommandHelpAndExit(ctx, "release", 1) // last argument is exit code
	}
	version := Version{Date: time.Now().UTC().Format(time.RFC3339Nano)}
	err := writeVersion(version)
	if err != nil {
		console.Fatalln(err)
	}
}

func main() {
	app := cli.NewApp()
	app.Usage = "Minio Client for object storage and filesystems"
	app.Commands = []cli.Command{
		{
			Name:   "release",
			Action: runReleaseCmd,
		}, {
			Name:   "install",
			Action: runGoBuild,
		},
	}
	app.Author = "Minio.io"
	app.RunAndExitOnError()
}