<?php

declare(strict_types=1);

namespace Weerscherm\Tests;

use Weerscherm\WeatherSource;

/** Testdubbel: geeft per methode een array terug of gooit de ingestelde exception, en telt de aanroepen. */
final class FakeSource implements WeatherSource
{
    /** @var array<string, array|\Throwable> */
    public array $responses = [];

    /** @var array<string, int> */
    public array $calls = ['stations' => 0, 'measure' => 0, 'forecast' => 0];

    /** @var array<string, array> */
    public array $lastArgs = [];

    public static function fromFixtures(): self
    {
        $s = new self();
        $s->responses = [
            'stations' => json_decode((string) file_get_contents(__DIR__ . '/fixtures/getstationsdata.json'), true)['body'],
            'measure' => json_decode((string) file_get_contents(__DIR__ . '/fixtures/getmeasure.json'), true)['body'],
            'forecast' => json_decode((string) file_get_contents(__DIR__ . '/fixtures/forecast.json'), true)['daily'],
        ];
        return $s;
    }

    public function stationsData(): array
    {
        return $this->answer('stations', []);
    }

    public function measure(string $deviceId, string $moduleId, int $begin, int $end): array
    {
        return $this->answer('measure', func_get_args());
    }

    public function forecast(float $lat, float $lon, string $timezone): array
    {
        return $this->answer('forecast', func_get_args());
    }

    private function answer(string $key, array $args): array
    {
        $this->calls[$key]++;
        $this->lastArgs[$key] = $args;
        $r = $this->responses[$key] ?? new \RuntimeException("geen response voor $key");
        if ($r instanceof \Throwable) {
            throw $r;
        }
        return $r;
    }
}