<?php

use App\Services\ChurchToolsService;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\Artisan;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Schema\Blueprint;

beforeEach(function () {
    ensureSyncTables();
});

test('cts:sync synchronisiert services, agenda songs und schreibt sync log', function () {
    Carbon::setTestNow('2026-03-01 09:00:00');

    $localSongId = DB::table('songs')->insertGetId([
        'title' => 'Way Maker',
        'ccli_id' => '7115744',
        'created_at' => now(),
        'updated_at' => now(),
    ]);

    app()->instance(ChurchToolsService::class, new ChurchToolsService(
        eventFetcher: fn () => [
            new FakeEvent(
                id: 100,
                title: 'Gottesdienst Sonntag',
                startDate: '2026-03-08T10:00:00+00:00',
                note: 'Probe',
                eventServices: [
                    new FakeEventService('Predigt', new FakePerson('Max', 'Mustermann')),
                    new FakeEventService('Beamer', new FakePerson('Lisa', 'Technik')),
                ],
            ),
        ],
        songFetcher: fn () => [new FakeSong(id: 1, title: 'Way Maker', ccli: '7115744')],
        agendaFetcher: fn () => new FakeAgenda([
            new FakeSong(id: 5001, title: 'Way Maker', ccli: '7115744'),
            new FakeSong(id: 5002, title: 'Unbekannt', ccli: '9999999'),
        ]),
        eventServiceFetcher: fn (int $eventId) => [
            new FakeEventService('Predigt', new FakePerson('Max', 'Mustermann')),
            new FakeEventService('Beamer', new FakePerson('Lisa', 'Technik')),
        ],
    ));

    Artisan::call('cts:sync');

    expect(Artisan::output())->toContain('Daten wurden aktualisiert');

    $service = DB::table('services')->where('cts_event_id', '100')->first();
    expect($service)->not->toBeNull();
    expect($service->title)->toBe('Gottesdienst Sonntag');
    expect($service->preacher_name)->toBe('Max Mustermann');
    expect($service->beamer_tech_name)->toBe('Lisa Technik');

    $matchedSong = DB::table('service_songs')->where('order', 1)->first();
    expect($matchedSong)->not->toBeNull();
    expect((int) $matchedSong->song_id)->toBe($localSongId);
    expect($matchedSong->matched_at)->not->toBeNull();

    $unmatchedSong = DB::table('service_songs')->where('order', 2)->first();
    expect($unmatchedSong)->not->toBeNull();
    expect($unmatchedSong->song_id)->toBeNull();
    expect($unmatchedSong->cts_ccli_id)->toBe('9999999');

    $syncLog = DB::table('cts_sync_log')->latest('id')->first();
    expect($syncLog)->not->toBeNull();
    expect($syncLog->status)->toBe('success');
    expect((int) $syncLog->events_count)->toBe(1);
    expect((int) $syncLog->songs_count)->toBe(2);
});

function ensureSyncTables(): void
{
    if (! Schema::hasTable('services')) {
        Schema::create('services', function (Blueprint $table) {
            $table->id();
            $table->string('cts_event_id')->unique();
            $table->string('title');
            $table->date('date')->nullable();
            $table->string('preacher_name')->nullable();
            $table->string('beamer_tech_name')->nullable();
            $table->timestamp('last_synced_at')->nullable();
            $table->json('cts_data')->nullable();
            $table->timestamps();
        });
    }

    if (! Schema::hasTable('songs')) {
        Schema::create('songs', function (Blueprint $table) {
            $table->id();
            $table->string('title');
            $table->string('ccli_id')->nullable()->unique();
            $table->timestamps();
        });
    }

    if (! Schema::hasTable('service_songs')) {
        Schema::create('service_songs', function (Blueprint $table) {
            $table->id();
            $table->foreignId('service_id')->constrained('services')->cascadeOnDelete();
            $table->foreignId('song_id')->nullable()->constrained('songs')->nullOnDelete();
            $table->string('cts_song_name');
            $table->string('cts_ccli_id')->nullable();
            $table->unsignedInteger('order')->default(0);
            $table->timestamp('matched_at')->nullable();
            $table->timestamps();
            $table->unique(['service_id', 'order']);
        });
    }

    if (! Schema::hasTable('cts_sync_log')) {
        Schema::create('cts_sync_log', function (Blueprint $table) {
            $table->id();
            $table->timestamp('synced_at')->nullable();
            $table->unsignedInteger('events_count')->default(0);
            $table->unsignedInteger('songs_count')->default(0);
            $table->string('status');
            $table->text('error')->nullable();
            $table->timestamps();
        });
    }
}

final class FakeEvent
{
    public function __construct(
        private readonly int $id,
        private readonly string $title,
        private readonly string $startDate,
        private readonly ?string $note = null,
        private readonly array $eventServices = [],
    ) {
    }

    public function getId(): string
    {
        return (string) $this->id;
    }

    public function getName(): string
    {
        return $this->title;
    }

    public function getStartDate(): string
    {
        return $this->startDate;
    }

    public function getNote(): ?string
    {
        return $this->note;
    }

    public function getEventServices(): array
    {
        return $this->eventServices;
    }
}

final class FakeEventService
{
    public function __construct(
        private readonly string $name,
        private readonly ?FakePerson $person,
    ) {
    }

    public function getName(): string
    {
        return $this->name;
    }

    public function getPerson(): ?FakePerson
    {
        return $this->person;
    }
}

final class FakePerson
{
    public function __construct(
        private readonly string $firstName,
        private readonly string $lastName,
    ) {
    }

    public function getFirstName(): string
    {
        return $this->firstName;
    }

    public function getLastName(): string
    {
        return $this->lastName;
    }
}

final class FakeAgenda
{
    public function __construct(private readonly array $songs)
    {
    }

    public function getSongs(): array
    {
        return $this->songs;
    }
}

final class FakeSong
{
    public function __construct(
        private readonly int $id,
        private readonly string $title,
        private readonly ?string $ccli,
    ) {
    }

    public function getId(): string
    {
        return (string) $this->id;
    }

    public function getName(): string
    {
        return $this->title;
    }

    public function getCcli(): ?string
    {
        return $this->ccli;
    }
}