<?php

declare(strict_types=1);

namespace App\Tests\Unit\Services\Granularity;

use App\DTO\WeatherAtTimePoint;
use App\Services\Granularity\DayWeatherByDate;
use PHPUnit\Framework\TestCase;

class DayWeatherByDateTest extends TestCase
{
    public function testCalculateFromMultipleRecordsInDay(): void
    {
        $data = [
            new WeatherAtTimePoint(
                new \DateTimeImmutable('2020-01-01 01:01:01'),
                0.2,
                5.2,
                5
            ),
            new WeatherAtTimePoint(
                new \DateTimeImmutable('2020-01-01 01:01:10'),
                -1.1,
                6.2,
                10.5
            )
        ];

        $service = $this->createService();
        $calculatedData = $service->calculateFromMultipleRecords($data);
        $this->assertEquals(1, count($calculatedData));
        $this->assertEquals("2020-01-01 00:00:00", $calculatedData[0]->date->format('Y-m-d H:i:s'));
        $this->assertEquals($calculatedData[0]->min, -1.1);
        $this->assertEquals($calculatedData[0]->max, 6.2);
        $temperatureValue = ($data[0]->value + $data[1]->value) / 2;
        $this->assertEquals($calculatedData[0]->value, $temperatureValue);
    }

    public function testCalculateFromSingleRecordsInDay(): void
    {
        $data = [
            new WeatherAtTimePoint(
                new \DateTimeImmutable('2020-01-01 01:01:01'),
                0.2,
                5.2,
                5
            ),
            new WeatherAtTimePoint(
                new \DateTimeImmutable('2020-01-02 01:01:10'),
                -1.1,
                6.2,
                10.5
            )
        ];

        $service = $this->createService();
        $calculatedData = $service->calculateFromMultipleRecords($data);
        $this->assertEquals(2, count($calculatedData));
        $this->assertEquals("2020-01-01 00:00:00", $calculatedData[0]->date->format('Y-m-d H:i:s'));
        $this->assertEquals($calculatedData[0]->min, 0.2);
        $this->assertEquals($calculatedData[0]->max, 5.2);
        $this->assertEquals($calculatedData[0]->value, 5);
        $this->assertEquals("2020-01-02 00:00:00", $calculatedData[1]->date->format('Y-m-d H:i:s'));
        $this->assertEquals($calculatedData[1]->min, -1.1);
        $this->assertEquals($calculatedData[1]->max, 6.2);
        $this->assertEquals($calculatedData[1]->value, 10.5);
    }

    private function createService(): DayWeatherByDate
    {
        return new DayWeatherByDate();
    }
}