<?php

namespace Tests\Unit\Services;

use App\Contracts\PriceRepository;
use App\Data\ElectricityData;
use App\Data\GasData;
use App\Features\History\Services\HistoryService;
use Carbon\Carbon;
use Illuminate\Support\Collection;
use Mockery;
use Tests\TestCase;

class HistoryServiceTest extends TestCase
{
    protected function tearDown(): void
    {
        Mockery::close();
        parent::tearDown();
    }

    public function test_get_history_data_returns_electricity_and_gas_for_date(): void
    {
        $date = Carbon::today();

        $electricityData = collect([
            $this->createElectricityData($date->copy()->setHour(0), 15.0),
            $this->createElectricityData($date->copy()->setHour(1), 16.0),
        ]);

        $gasData = collect([
            $this->createGasData($date, 5.0),
        ]);

        $repository = Mockery::mock(PriceRepository::class);
        $repository->shouldReceive('retrieveElectricityForDate')
            ->once()
            ->with($date)
            ->andReturn($electricityData);
        $repository->shouldReceive('retrieveGasForDate')
            ->once()
            ->with($date)
            ->andReturn($gasData);

        $service = new HistoryService($repository);
        $result = $service->getHistoryData($date);

        $this->assertCount(2, $result->electricity);
        $this->assertCount(1, $result->gas);
        $this->assertEquals(15.0, $result->electricity->first()->totalPriceTaxIncluded);
        $this->assertEquals(5.0, $result->gas->first()->totalPriceTaxIncluded);
    }

    public function test_get_history_data_with_empty_collections(): void
    {
        $date = Carbon::today();

        $repository = Mockery::mock(PriceRepository::class);
        $repository->shouldReceive('retrieveElectricityForDate')
            ->once()
            ->andReturn(collect());
        $repository->shouldReceive('retrieveGasForDate')
            ->once()
            ->andReturn(collect());

        $service = new HistoryService($repository);
        $result = $service->getHistoryData($date);

        $this->assertCount(0, $result->electricity);
        $this->assertCount(0, $result->gas);
    }

    private function createElectricityData(Carbon $startDate, float $price): ElectricityData
    {
        return new ElectricityData(
            startDate: $startDate,
            endDate: $startDate->copy()->addHour(),
            period: 'elec_hour',
            marketPrice: (int) ($price * 100),
            totalPriceTaxIncluded: $price,
            priceInclHandlingVat: (int) ($price * 100),
            priceTaxWithVat: (int) ($price * 20),
            pricingProfile: 'dynamic',
            carbonFootprintInGram: 500,
            sustainabilityScore: 80,
            startDateDatetime: $startDate,
        );
    }

    private function createGasData(Carbon $startDate, float $price): GasData
    {
        return new GasData(
            startDate: $startDate,
            endDate: $startDate->copy()->addDay(),
            period: 'gas_day',
            marketPrice: (int) ($price * 100),
            totalPriceTaxIncluded: $price,
            priceInclHandlingVat: (int) ($price * 100),
            priceTaxWithVat: (int) ($price * 20),
            startDateDatetime: $startDate,
        );
    }
}