<?php

use App\Services\Web\MarketDataService;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Http;

beforeEach(function () {
    Cache::forget((string) config('market.cache_key'));

    config()->set('market.enabled', true);
    config()->set('market.symbols', [
        ['label' => 'DAX', 'symbol' => '^GDAXI', 'precision' => 0, 'suffix' => ''],
        ['label' => 'EUR/USD', 'symbol' => 'EURUSD=X', 'precision' => 2, 'suffix' => ''],
    ]);
});

function fakeYahooChart(float $price, float $previousClose): array
{
    return [
        'chart' => [
            'result' => [
                ['meta' => ['regularMarketPrice' => $price, 'chartPreviousClose' => $previousClose]],
            ],
        ],
    ];
}

it('holt Kurse, berechnet Deltas und cacht die Slides', function () {
    Http::fake([
        '*GDAXI*' => Http::response(fakeYahooChart(24150.0, 24000.0)),
        '*EURUSD*' => Http::response(fakeYahooChart(1.0815, 1.0902)),
    ]);

    $slides = app(MarketDataService::class)->refresh();

    expect($slides)->toHaveCount(2)
        ->and($slides[0]['label'])->toBe('DAX')
        ->and($slides[0]['value'])->toBe('24.150')
        ->and($slides[0]['delta'])->toBe('+0,6%')
        ->and($slides[0]['positive'])->toBeTrue()
        ->and($slides[1]['delta'])->toBe('-0,8%')
        ->and($slides[1]['positive'])->toBeFalse();

    Http::fake();

    expect(app(MarketDataService::class)->slides())->toBe($slides);
});

it('behält den Cache-Stand, wenn der Abruf komplett fehlschlägt', function () {
    Cache::put((string) config('market.cache_key'), [
        ['label' => 'DAX', 'value' => '24.150', 'delta' => '+0,6%', 'positive' => true],
    ], 3600);

    Http::fake(['*' => Http::response(null, 500)]);

    $slides = app(MarketDataService::class)->refresh();

    expect($slides)->toHaveCount(1)
        ->and($slides[0]['value'])->toBe('24.150');
});

it('liefert keine Slides, wenn Marktdaten deaktiviert sind', function () {
    config()->set('market.enabled', false);

    Cache::put((string) config('market.cache_key'), [
        ['label' => 'DAX', 'value' => '24.150', 'delta' => '+0,6%', 'positive' => true],
    ], 3600);

    expect(app(MarketDataService::class)->slides())->toBe([]);
});

it('überspringt Symbole mit unbrauchbarer API-Antwort', function () {
    Http::fake([
        '*GDAXI*' => Http::response(['chart' => ['result' => [['meta' => []]]]]),
        '*EURUSD*' => Http::response(fakeYahooChart(1.0815, 1.0902)),
    ]);

    $slides = app(MarketDataService::class)->refresh();

    expect($slides)->toHaveCount(1)
        ->and($slides[0]['label'])->toBe('EUR/USD');
});

it('aktualisiert Kurse über den Artisan-Command', function () {
    Http::fake(['*' => Http::response(fakeYahooChart(24150.0, 24000.0))]);

    $this->artisan('market:refresh')
        ->expectsOutputToContain('DAX')
        ->assertSuccessful();

    expect(app(MarketDataService::class)->slides())->not->toBeEmpty();
});

it('meldet einen Fehlschlag des Commands ohne Kursdaten', function () {
    Http::fake(['*' => Http::response(null, 500)]);

    $this->artisan('market:refresh')->assertFailed();
});