<?php

namespace App\Http\Controllers\Web\Admin;

use App\Http\Controllers\Controller;
use App\Models\City;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Str;
use Illuminate\View\View;

/**
 * Administrator management of city territories.
 *
 * Supports creating new cities and expanding the bounds of existing ones
 * so the playable map can grow over time.
 */
class CityAdminController extends Controller
{
    /**
     * List all cities with expansion controls.
     */
    public function index(Request $request): View
    {
        abort_unless($request->user()?->isAdmin(), 403);

        return view('admin.cities.index', [
            'cities' => City::query()->orderBy('id')->get(),
        ]);
    }

    /**
     * Create a new city territory.
     */
    public function store(Request $request): RedirectResponse
    {
        abort_unless($request->user()?->isAdmin(), 403);

        $data = $request->validate([
            'name' => ['required', 'string', 'max:120'],
        ]);

        City::create([
            'name' => $data['name'],
            'slug' => Str::slug($data['name']).'-'.uniqid(),
            'bounds_min_x' => -80,
            'bounds_max_x' => 80,
            'bounds_min_z' => -80,
            'bounds_max_z' => 80,
            'is_active' => false,
            'expansions' => 0,
        ]);

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

    /**
     * Expand a city's territory by one grid step.
     */
    public function expand(Request $request, City $city): RedirectResponse
    {
        abort_unless($request->user()?->isAdmin(), 403);

        if (! $city->expand()) {
            return redirect()->route('admin.cities.index')
                ->withErrors(['city' => __('admin.cities.max_expansions')]);
        }

        return redirect()->route('admin.cities.index')
            ->with('status', __('admin.cities.expanded'));
    }
}