<?php

declare(strict_types=1);

namespace Weerscherm\Tests;

use PHPUnit\Framework\TestCase;
use Weerscherm\OpenMeteoClient;
use Weerscherm\UpstreamException;

final class OpenMeteoClientTest extends TestCase
{
    public function testRequestsSixDaysWithDailyAndHourlyVariables(): void
    {
        $http = new FakeHttp();
        $http->queue(200, json_decode((string) file_get_contents(__DIR__ . '/fixtures/forecast.json'), true));

        $result = (new OpenMeteoClient($http))->forecast(51.82, 6.55, 'Europe/Berlin');

        self::assertCount(6, $result['daily']['time']);
        self::assertCount(144, $result['hourly']['time']);
        self::assertSame('https://api.open-meteo.com/v1/forecast', $http->requests[0]['url']);
        self::assertSame([
            'latitude' => 51.82,
            'longitude' => 6.55,
            'daily' => 'weather_code,temperature_2m_max,temperature_2m_min,precipitation_sum,precipitation_probability_max',
            'hourly' => 'temperature_2m,precipitation,wind_speed_10m,wind_direction_10m',
            'timezone' => 'Europe/Berlin',
            'forecast_days' => 6,
        ], $http->requests[0]['params']);
    }

    public function testErrorStatusIsUpstreamException(): void
    {
        $http = (new FakeHttp())->queue(429, ['reason' => 'rate limit']);
        $this->expectException(UpstreamException::class);
        (new OpenMeteoClient($http))->forecast(1, 2, 'UTC');
    }

    public function testMissingDailyIsUpstreamException(): void
    {
        $http = (new FakeHttp())->queue(200, ['hourly' => []]);
        $this->expectException(UpstreamException::class);
        (new OpenMeteoClient($http))->forecast(1, 2, 'UTC');
    }

    public function testMissingHourlyGivesEmptyHourlyBlockInsteadOfError(): void
    {
        $http = (new FakeHttp())->queue(200, ['daily' => ['time' => ['2026-09-11']]]);

        $result = (new OpenMeteoClient($http))->forecast(1, 2, 'UTC');

        self::assertSame([], $result['hourly']);
    }
}