package cmd

import (
	"fmt"

	"github.com/spf13/cobra"
)

// version and commit hold the values injected at release build time
// (via `-ldflags -X main.version=... -X main.commit=...` propagated through
// SetVersionInfo) or the defaults below for local development builds.
//
// `version` is the release tag verbatim (e.g. "v0.6.1-rc.1"). For dev
// builds it is the literal "dev". `commit` is the full git SHA at build
// time, or empty when not injected.
var (
	version = "dev"
	commit  = ""
)

var rootCmd = &cobra.Command{
	Use:   "ctask",
	Short: "Create and manage AI-agent task workspaces",
	Long:  "ctask is a local CLI that creates and manages named AI-agent task workspaces so developers can start, resume, and organize work more safely and predictably.",
}

func Execute() error {
	return rootCmd.Execute()
}

// SetVersionInfo is called from main() before Execute() to forward the
// build-time-injected version and commit into the cmd package. Pass empty
// strings to keep the package defaults.
func SetVersionInfo(v, c string) {
	if v != "" {
		version = v
	}
	if c != "" {
		commit = c
	}
	applyVersionTemplate()
}

// applyVersionTemplate rebuilds Cobra's --version output from the current
// version/commit values. Format:
//
//	ctask v0.6.1-rc.1 (abcdef1)   // tagged build, commit known
//	ctask v0.6.1-rc.1             // tagged build, no commit injected
//	ctask dev                     // local build
func applyVersionTemplate() {
	rootCmd.Version = version
	var line string
	if commit != "" {
		short := commit
		if len(short) > 7 {
			short = short[:7]
		}
		line = fmt.Sprintf("ctask %s (%s)\n", version, short)
	} else {
		line = fmt.Sprintf("ctask %s\n", version)
	}
	rootCmd.SetVersionTemplate(line)
}

func init() {
	applyVersionTemplate()
}