package cmd

import (
	"fmt"
	"os"
	"path/filepath"

	"github.com/spf13/cobra"
	"github.com/warrenronsiek/ctask/internal/config"
)

var infoCmd = &cobra.Command{
	Use:   "info <query>",
	Short: "Display metadata and path for a workspace",
	Args:         cobra.ExactArgs(1),
	SilenceUsage: true,
	RunE:         runInfo,
}

var infoAll bool

func init() {
	infoCmd.Flags().BoolVarP(&infoAll, "all", "a", false, "Include archived workspaces in query resolution")
	rootCmd.AddCommand(infoCmd)
}

func runInfo(cmd *cobra.Command, args []string) error {
	roots := config.SearchRoots()
	ws := resolveOne(roots, args[0], infoAll)
	m := ws.Meta

	fmt.Printf("Task:      %s\n", m.Slug)
	fmt.Printf("Title:     %s\n", m.Title)
	fmt.Printf("Category:  %s\n", m.Category)
	fmt.Printf("Status:    %s\n", m.Status)
	fmt.Printf("Mode:      %s\n", m.Mode)
	fmt.Printf("Agent:     %s\n", m.Agent)
	// v0.5.1: display timestamps in local time. task.yaml stores UTC;
	// info converts for friendliness so the shown time matches the user's
	// wall clock.
	fmt.Printf("Created:   %s\n", m.CreatedAt.Local().Format("2006-01-02 15:04:05"))
	fmt.Printf("Updated:   %s\n", m.UpdatedAt.Local().Format("2006-01-02 15:04:05"))
	fmt.Printf("Path:      %s\n", ws.Path)

	if m.LaunchDir != "" {
		// Per spec amendment: stat the expected path directly instead of
		// inferring existence from ResolveLaunch's fallback behavior. info
		// is a display command, not a launch command — a permission error
		// here is the same user-facing outcome as "not a directory", so
		// we just report whether the stat succeeded with a directory.
		launchAbs := filepath.Join(ws.Path, m.LaunchDir)
		dirExists := "no"
		if info, err := os.Stat(launchAbs); err == nil && info.IsDir() {
			dirExists = "yes"
		}
		fmt.Printf("Launch dir: %s/\n", m.LaunchDir)
		fmt.Printf("Launch path: %s\n", launchAbs)
		fmt.Printf("Dir exists: %s\n", dirExists)
	}

	if m.ArchivedAt != nil {
		fmt.Printf("Archived:  %s\n", m.ArchivedAt.Local().Format("2006-01-02 15:04:05"))
	}

	// List contents
	fmt.Println()
	fmt.Println("Contents:")
	entries, err := os.ReadDir(ws.Path)
	if err != nil {
		return err
	}
	for _, e := range entries {
		name := e.Name()
		if e.IsDir() {
			name += "/"
		}
		fmt.Printf("  %s\n", name)
	}

	return nil
}