<?php

namespace App\Http\Controllers;

use App\Models\User;
use Illuminate\Http\Request;
use Illuminate\Validation\Rule;
use Spatie\Permission\Models\Role;

class AdminRoleController extends Controller
{
    public function index()
    {
        $roles = Role::withCount('users')->orderBy('name')->paginate(15);

        return view('admin.roles.index', [
            'roles' => $roles,
        ]);
    }

    public function create()
    {
        return view('admin.roles.create');
    }

    public function store(Request $request)
    {
        $validated = $request->validate([
            'name' => ['required', 'string', 'max:255', Rule::unique('roles', 'name')],
            'description' => ['nullable', 'string', 'max:255'],
        ]);

        Role::create([
            'name' => $validated['name'],
            'guard_name' => 'web',
            'description' => $validated['description'] ?? null,
        ]);

        return redirect()->route('admin.roles.index')->with('status', __('Role created.'));
    }

    public function show(Role $role, Request $request)
    {
        $search = $request->string('search')->toString();

        $usersQuery = $role->users()->orderBy('name');

        if ($search) {
            $usersQuery->where(function ($q) use ($search) {
                $q->where('name', 'like', "%{$search}%")
                    ->orWhere('email', 'like', "%{$search}%");
            });
        }

        $users = $usersQuery->paginate(15)->withQueryString();

        $availableUsers = User::orderBy('name')->select('id', 'name', 'email')->get();

        return view('admin.roles.show', [
            'role' => $role,
            'users' => $users,
            'availableUsers' => $availableUsers,
            'search' => $search,
        ]);
    }

    public function edit(Role $role)
    {
        return view('admin.roles.edit', [
            'role' => $role,
        ]);
    }

    public function update(Request $request, Role $role)
    {
        $validated = $request->validate([
            'name' => ['required', 'string', 'max:255', Rule::unique('roles', 'name')->ignore($role->id)],
            'description' => ['nullable', 'string', 'max:255'],
        ]);

        $role->update($validated);

        return redirect()->route('admin.roles.show', $role)->with('status', __('Role updated.'));
    }

    public function assignUsers(Request $request, Role $role)
    {
        $validated = $request->validate([
            'user_ids' => ['required', 'array'],
            'user_ids.*' => ['exists:users,id'],
        ]);

        $users = User::whereIn('id', $validated['user_ids'])->get();

        foreach ($users as $user) {
            $user->assignRole($role);
        }

        return redirect()->route('admin.roles.show', $role)->with('status', __('Users assigned to role.'));
    }

    public function removeUser(Role $role, User $user)
    {
        $user->removeRole($role);

        return redirect()->route('admin.roles.show', $role)->with('status', __('Role removed from user.'));
    }
}