package cmd

import (
	"fmt"

	"github.com/spf13/cobra"
	"github.com/warkanum/unitdore/config"
	"github.com/warkanum/unitdore/systemd"
)

var uninstallCmd = &cobra.Command{
	Use:   "uninstall <name>",
	Short: "Disable, stop, and remove the service file for a unit",
	Args:  cobra.ExactArgs(1),
	RunE:  runUninstall,
}

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

func runUninstall(cmd *cobra.Command, args []string) error {
	cfg, err := config.Load(configPath)
	if err != nil {
		return err
	}

	name := args[0]
	u := cfg.FindUnit(name)
	if u == nil {
		return fmt.Errorf("unit %q not found", name)
	}

	prefix, suffix := cfg.Prefix, cfg.Suffix

	if !systemd.IsInstalled(*u, prefix, suffix) {
		return fmt.Errorf("%s is not installed", name)
	}

	svcName := systemd.ServiceName(*u, prefix, suffix)

	fmt.Printf("  ■ disabling %s...\n", svcName)
	if err := systemd.Disable(*u, prefix, suffix); err != nil {
		return fmt.Errorf("disabling unit: %w", err)
	}

	path, _ := systemd.UnitPath(*u, prefix, suffix)
	fmt.Printf("  ✗ removing %s...\n", path)
	if err := systemd.Uninstall(*u, prefix, suffix); err != nil {
		return fmt.Errorf("removing service file: %w", err)
	}

	fmt.Printf("  ✓ uninstalled: %s\n", name)
	return nil
}