package cmd

import (
	"fmt"

	"code.gitea.io/sdk/gitea"
	"github.com/spf13/cobra"
)

var adminCmd = &cobra.Command{
	Use:     "admin",
	Aliases: []string{"a"},
	Short:   "Operations requiring admin access",
	Long:    "Administrative operations on the current host. These require an admin-scoped token.",
}

var adminUserCmd = &cobra.Command{
	Use:     "user",
	Aliases: []string{"users", "u"},
	Short:   "Manage users on the host",
	Long:    "Admin-scoped user management.",
}

var adminUserListCmd = &cobra.Command{
	Use:     "list",
	Aliases: []string{"ls"},
	Short:   "List all users on the host",
	Example: `  # List users
  fgj admin user list

  # Limit and output as JSON
  fgj admin user list --limit 100 --json`,
	RunE: runAdminUserList,
}

func init() {
	rootCmd.AddCommand(adminCmd)
	adminCmd.AddCommand(adminUserCmd)
	adminUserCmd.AddCommand(adminUserListCmd)

	adminUserListCmd.Flags().IntP("limit", "L", 50, "Maximum number of users to list")
	addJSONFlags(adminUserListCmd, "Output as JSON")
}

func runAdminUserList(cmd *cobra.Command, args []string) error {
	client, err := loadClient()
	if err != nil {
		return err
	}

	limit, _ := cmd.Flags().GetInt("limit")
	if limit <= 0 {
		limit = 50
	}

	users, _, err := client.AdminListUsers(gitea.AdminListUsersOptions{
		ListOptions: gitea.ListOptions{PageSize: limit},
	})
	if err != nil {
		return fmt.Errorf("failed to list users (admin token required): %w", err)
	}

	if wantJSON(cmd) {
		return outputJSON(cmd, users)
	}

	if len(users) == 0 {
		fmt.Fprintln(ios.Out, "No users found.")
		return nil
	}

	tp := ios.NewTablePrinter()
	tp.AddHeader("LOGIN", "FULL NAME", "EMAIL", "ADMIN", "ACTIVE")
	for _, u := range users {
		admin, active := "", "yes"
		if u.IsAdmin {
			admin = "yes"
		}
		if !u.IsActive {
			active = "no"
		}
		tp.AddRow(u.UserName, u.FullName, u.Email, admin, active)
	}
	return tp.Render()
}