<?php

namespace Tests\Feature;

use App\Models\Character;
use App\Models\User;
use Database\Seeders\CityContentSeeder;
use Database\Seeders\CityWorldSeeder;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

/**
 * City places (stores + civic buildings): the new landmarks exist with
 * the right types, never sit on a roadway, never overlap each other and
 * do not steal cells from the plaza pattern.
 */
class CityPlacesTest extends TestCase
{
    use RefreshDatabase;

    /**
     * Boot world fixtures.
     */
    protected function setUp(): void
    {
        parent::setUp();
        // Same order as DatabaseSeeder: content (stores/agents) then world.
        $this->seed(CityContentSeeder::class);
        $this->seed(CityWorldSeeder::class);
        $user = User::factory()->create(['status' => User::STATUS_ACTIVE, 'is_active' => true]);
        Character::ensureForUser($user);
        $this->actingAs($user);
    }

    /**
     * The payload carries every requested place with its type.
     */
    public function test_new_city_places_exist(): void
    {
        $payload = $this->getJson('/city/data')->assertOk()->json();

        $storeTypes = array_column($payload['stores'], 'type');
        $storeNames = array_column($payload['stores'], 'name');
        foreach ([
            ['supermarket', 'Supermercado Bom Preço'],
            ['pharmacy', 'Drogaria Saúde Total'],
            ['restaurant', 'Restaurante Sabor da City'],
            ['salon', 'Cabeleireiro Estilo'],
            ['bank', 'Banco Central City10'],
            ['hotel', 'Hotel City10 Palace'],
            ['mall', 'Shopping City10'],
        ] as [$type, $name]) {
            $this->assertContains($type, $storeTypes, "Missing store type {$type}");
            $this->assertContains($name, $storeNames, "Missing store {$name}");
        }
        // Pre-existing places from the original request.
        $this->assertContains('bakery', $storeTypes, 'Padaria must remain');
        $this->assertContains('market', $storeTypes, 'Mercado must remain');

        $buildingTypes = array_column($payload['buildings'], 'type');
        foreach (['hospital', 'school', 'city_hall', 'university', 'fire_station'] as $type) {
            $this->assertContains($type, $buildingTypes, "Missing building type {$type}");
        }
    }

    /**
     * Full AABB audit: no structure touches a roadway (half width 4)
     * and no two structures overlap.
     */
    public function test_places_avoid_roads_and_each_other(): void
    {
        $payload = $this->getJson('/city/data')->assertOk()->json();

        $xs = [];
        $zs = [];
        foreach ($payload['layout']['roads'] as $road) {
            if ($road['axis'] === 'z') {
                $xs[] = (float) $road['from'][0];
            } else {
                $zs[] = (float) $road['from'][2];
            }
        }
        $xs = array_values(array_unique($xs));
        $zs = array_values(array_unique($zs));
        $this->assertNotEmpty($xs);
        $this->assertNotEmpty($zs);

        $structures = [];
        foreach ($payload['stores'] as $s) {
            $structures[] = [
                'label' => 'store:'.$s['name'],
                'x0' => $s['position'][0] - $s['size'][0] / 2,
                'x1' => $s['position'][0] + $s['size'][0] / 2,
                'z0' => $s['position'][2] - $s['size'][2] / 2,
                'z1' => $s['position'][2] + $s['size'][2] / 2,
            ];
        }
        foreach ($payload['buildings'] as $b) {
            $structures[] = [
                'label' => 'building:'.$b['type'],
                'x0' => $b['position'][0] - $b['size'][0] / 2,
                'x1' => $b['position'][0] + $b['size'][0] / 2,
                'z0' => $b['position'][2] - $b['size'][2] / 2,
                'z1' => $b['position'][2] + $b['size'][2] / 2,
            ];
        }

        $roadHits = [];
        foreach ($structures as $st) {
            foreach ($xs as $vx) {
                if ($st['x0'] < $vx + 4 && $st['x1'] > $vx - 4) {
                    $roadHits[] = "{$st['label']} on z-road@{$vx}";
                }
            }
            foreach ($zs as $vz) {
                if ($st['z0'] < $vz + 4 && $st['z1'] > $vz - 4) {
                    $roadHits[] = "{$st['label']} on x-road@{$vz}";
                }
            }
        }
        $this->assertSame([], $roadHits, 'Structures over roadways: '.implode(', ', $roadHits));

        $collisions = [];
        for ($i = 0; $i < count($structures); $i++) {
            for ($j = $i + 1; $j < count($structures); $j++) {
                $a = $structures[$i];
                $b = $structures[$j];
                if ($a['x0'] < $b['x1'] && $a['x1'] > $b['x0'] && $a['z0'] < $b['z1'] && $a['z1'] > $b['z0']) {
                    $collisions[] = "{$a['label']} × {$b['label']}";
                }
            }
        }
        $this->assertSame([], $collisions, 'Overlapping structures: '.implode(', ', $collisions));
    }

    /**
     * The new places sit off the plaza rows, so the16-plaza pattern is
     * unchanged.
     */
    public function test_plaza_pattern_survives_new_places(): void
    {
        $payload = $this->getJson('/city/data')->assertOk()->json();

        $this->assertCount(16, $payload['plazas'], 'Plaza count must stay 16 after adding places');
    }
}