package cmd

import (
	"context"
	"errors"
	"fmt"
	"os"
	"os/exec"
	"strings"

	"${private-git-host|/git-sdk-go"

	"github.com/Masterminds/semver"
	"github.com/spf13/cobra"
)

// updateCmd represents the update command
var updateCmd = &cobra.Command{
	Use:   "update",
	Short: "update this tool",
	Long:  `update this tool.`,
	RunE: func(cmd *cobra.Command, args []string) error {

		// load 1st-page tag list
		rsp, err := tgitClient.TagService().ListTag(context.Background(), &tgit.ListTagReq{
			ProjectID: tgit.ProjectID{Path: "content_platform_center/gitcode"},
			Page:      1,
			PerPage:   10,
		})
		if err != nil {
			return err
		}

		// get the newest tag version and commit
		var (
			tagVersion = "v0.0.0"
			tagCommit  = "xxxxxxxx"
		)

		for _, tag := range *rsp {
			old, err := semver.NewVersion(tagVersion)
			if err != nil {
				return err
			}

			v, err := semver.NewVersion(tag.Name)
			if err != nil {
				return err
			}
			if v.GreaterThan(old) {
				tagVersion = tag.Name
				tagCommit = tag.Commit.ShortID
			}
		}

		// build artifact version: ${tag number}-${commit hash}
		buildver := fmt.Sprintf(
			`-ldflags="-X {private-git-host}/gitcode/config.VERSION=%s-%s"`,
			tagVersion, tagCommit)

		// install with linker options, updating the config.VERSION
		updateArgs := []string{"go", "get", buildver, "${private-git-host}/gitcode@" + tagVersion}

		// run `go get` to update this tool
		command := exec.Command(updateArgs[0], updateArgs[1:]...)
		fmt.Println(strings.Join(updateCmd.Args, " "))

		command.Stdout = os.Stdout
		command.Stderr = os.Stderr
		command.Stdin = os.Stdin

		err = command.Run()
		if err != nil {
			return err
		}
		return nil
	},
}

func init() {
	rootCmd.AddCommand(updateCmd)
}

                buildver := fmt.Sprintf(
			`-ldflags=-X main.VERSION=%s-%s`,
			tagVersion, tagCommit)