version_bump

var Cmd = &cobra.Command{
	Use:     "version-bump",
	Short:   "Bumb & commit version of (SL) Go application",
	Aliases: []string{"vb"},
	Args:    cobra.NoArgs,
	Run: func(c *cobra.Command, args []string) {

		if CmdFlagAuto {
			currentVersionBytes, err := os.ReadFile("version/version.go")
			if err != nil {
				log.Fatalln("Failed to read current version:", err)
			}

			currentVersionContent := string(currentVersionBytes)

			start := strings.Index(currentVersionContent, `"`)
			end := strings.LastIndex(currentVersionContent, `"`)
			if start == -1 || end == -1 || start == end {
				log.Fatalln("Failed to parse current version from version/version.go")
			}

			currentVersion := currentVersionContent[start+1 : end]
			CmdFlagVersion = calculateNextVersion(currentVersion)
			fmt.Printf("Auto-bumping version: %s -> %s\n", currentVersion, CmdFlagVersion)
		}

		version_go_file := `package version

var Version string = "` + CmdFlagVersion + `"
`
		err := os.WriteFile("version/version.go", []byte(version_go_file), 0644)
		if err != nil {
			panic(err)
		}

		if CmdFlagNoCommit {
			return
		}

		var r *git.Repository
		var commit plumbing.Hash

		if !CmdFlagGoGit {
			err = exec_utils.ExecOut("git", "add", "version/version.go")
			if err != nil {
				log.Fatalln(err)
			}
			err = exec_utils.ExecOut("git", "commit", "-m", "VERSION: "+CmdFlagVersion)
			if err != nil {
				log.Fatalln(err)
			}
		} else {
			r, err = git.PlainOpen(".")
			if err != nil {
				panic(err)
			}
			w, err := r.Worktree()
			if err != nil {
				panic(err)
			}
			_, err = w.Add("version/version.go")
			if err != nil {
				panic(err)
			}
			commit, _ = w.Commit("VERSION: "+CmdFlagVersion, &git.CommitOptions{})
			_, err = r.CommitObject(commit)
			if err != nil {
				panic(err)
			}
		}

		if !CmdFlagGoGit {
			if CmdFlagTag {
				err = exec_utils.ExecOut("git", "tag", CmdFlagVersion, "-m", "VERSION: "+CmdFlagVersion)
				if err != nil {
					log.Fatalln(err)
				}
			}
		} else {
			if CmdFlagTag {
				_, err := r.CreateTag(
					CmdFlagVersion,
					commit,
					&git.CreateTagOptions{
						Message: "VERSION: " + CmdFlagVersion,
					},
				)
				if err != nil {
					panic(err)
				}
			}
		}
	},
}

var CmdFlagAuto bool

var CmdFlagGoGit bool

var CmdFlagNoCommit bool

var CmdFlagTag bool

var CmdFlagVersion string