<?php

namespace KimaiPlugin\KimaiHeatmapBundle\Tests\Service;

use App\Entity\User;
use App\Repository\TimesheetRepository;
use Doctrine\ORM\AbstractQuery;
use Doctrine\ORM\Query\Expr;
use Doctrine\ORM\QueryBuilder;
use KimaiPlugin\KimaiHeatmapBundle\Service\HeatmapService;
use PHPUnit\Framework\TestCase;

class HeatmapServiceTest extends TestCase
{
    public function testGetDailyAggregationReturnsFormattedResults(): void
    {
        $mockResults = [
            ['day' => '2026-04-01', 'duration' => 7200, 'count' => 3],
            ['day' => '2026-04-02', 'duration' => 3600, 'count' => 1],
        ];

        $service = $this->createServiceWithResults($mockResults);
        $result = $service->getDailyAggregation(
            $this->createMock(User::class),
            new \DateTimeImmutable('2026-04-01'),
            new \DateTimeImmutable('2026-04-30')
        );

        $this->assertCount(2, $result);
        $this->assertEquals('2026-04-01', $result[0]['date']);
        $this->assertEquals(2.0, $result[0]['hours']);
        $this->assertEquals(3, $result[0]['count']);
        $this->assertEquals('2026-04-02', $result[1]['date']);
        $this->assertEquals(1.0, $result[1]['hours']);
        $this->assertEquals(1, $result[1]['count']);
    }

    public function testGetDailyAggregationReturnsEmptyForNoData(): void
    {
        $service = $this->createServiceWithResults([]);
        $result = $service->getDailyAggregation(
            $this->createMock(User::class),
            new \DateTimeImmutable('2026-04-01'),
            new \DateTimeImmutable('2026-04-30')
        );

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

    public function testHoursRoundedToTwoDecimals(): void
    {
        $mockResults = [
            ['day' => '2026-04-01', 'duration' => 5431, 'count' => 2],
        ];

        $service = $this->createServiceWithResults($mockResults);
        $result = $service->getDailyAggregation(
            $this->createMock(User::class),
            new \DateTimeImmutable('2026-04-01'),
            new \DateTimeImmutable('2026-04-30')
        );

        $this->assertEquals(1.51, $result[0]['hours']);
    }

    public function testGetHourlyAggregationReturnsFormattedResults(): void
    {
        $service = $this->createServiceWithNativeResults([
            ['hour_slot' => 9, 'duration' => 7200, 'count' => 5],
        ]);

        $user = $this->createMock(User::class);
        $user->method('getTimezone')->willReturn('Europe/Berlin');
        $user->method('getId')->willReturn(1);

        $result = $service->getHourlyAggregation(
            $user,
            new \DateTimeImmutable('2026-04-01'),
            new \DateTimeImmutable('2026-04-30')
        );

        $this->assertCount(1, $result);
        $this->assertSame(9, $result[0]['hour']);
        $this->assertSame(2.0, $result[0]['hours']);
        $this->assertSame(5, $result[0]['count']);
    }

    public function testGetHourlyAggregationReturnsEmptyForNoData(): void
    {
        $service = $this->createServiceWithNativeResults([]);

        $user = $this->createMock(User::class);
        $user->method('getTimezone')->willReturn('UTC');
        $user->method('getId')->willReturn(1);

        $result = $service->getHourlyAggregation(
            $user,
            new \DateTimeImmutable('2026-04-01'),
            new \DateTimeImmutable('2026-04-30')
        );

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

    public function testGetDayHourAggregationReturnsFormattedResults(): void
    {
        // MySQL DAYOFWEEK: 2 = Monday
        // weekStart=monday -> Monday = day 0
        $service = $this->createServiceWithNativeResults([
            ['dow' => 2, 'hour_slot' => 14, 'duration' => 3600, 'count' => 1],
        ]);

        $user = $this->createMock(User::class);
        $user->method('getTimezone')->willReturn('Europe/Berlin');
        $user->method('getId')->willReturn(1);

        $result = $service->getDayHourAggregation(
            $user,
            new \DateTimeImmutable('2026-04-01'),
            new \DateTimeImmutable('2026-04-30'),
            null, null, null,
            'monday'
        );

        $this->assertCount(1, $result);
        $this->assertSame(0, $result[0]['day']);
        $this->assertSame(14, $result[0]['hour']);
        $this->assertSame(1.0, $result[0]['hours']);
        $this->assertSame(1, $result[0]['count']);
    }

    public function testGetDayHourAggregationSundayStart(): void
    {
        // MySQL DAYOFWEEK: 2 = Monday
        // weekStart=sunday -> Monday = day 1
        $service = $this->createServiceWithNativeResults([
            ['dow' => 2, 'hour_slot' => 14, 'duration' => 3600, 'count' => 1],
        ]);

        $user = $this->createMock(User::class);
        $user->method('getTimezone')->willReturn('Europe/Berlin');
        $user->method('getId')->willReturn(1);

        $result = $service->getDayHourAggregation(
            $user,
            new \DateTimeImmutable('2026-04-01'),
            new \DateTimeImmutable('2026-04-30'),
            null, null, null,
            'sunday'
        );

        $this->assertCount(1, $result);
        $this->assertSame(1, $result[0]['day']);
        $this->assertSame(14, $result[0]['hour']);
        $this->assertSame(1.0, $result[0]['hours']);
        $this->assertSame(1, $result[0]['count']);
    }

    public function testGetDailyAggregationWithActivityFilter(): void
    {
        $service = $this->createServiceWithResults([
            ['day' => '2026-04-01', 'duration' => 3600, 'count' => 1],
        ]);

        $result = $service->getDailyAggregation(
            $this->createMock(User::class),
            new \DateTimeImmutable('2026-04-01'),
            new \DateTimeImmutable('2026-04-30'),
            null,
            null,
            42
        );

        $this->assertCount(1, $result);
    }

    public function testGetDailyAggregationWithCustomerFilter(): void
    {
        $service = $this->createServiceWithResults([
            ['day' => '2026-04-01', 'duration' => 3600, 'count' => 1],
        ]);

        $result = $service->getDailyAggregation(
            $this->createMock(User::class),
            new \DateTimeImmutable('2026-04-01'),
            new \DateTimeImmutable('2026-04-30'),
            null,
            99
        );

        $this->assertCount(1, $result);
    }

    public function testGetUserCustomersReturnsFormattedResults(): void
    {
        $service = $this->createServiceWithResults([
            ['customerId' => 1, 'name' => 'Acme'],
        ]);

        $result = $service->getUserCustomers($this->createMock(User::class));

        $this->assertCount(1, $result);
        $this->assertSame(1, $result[0]['id']);
        $this->assertSame('Acme', $result[0]['name']);
    }

    public function testGetUserActivitiesReturnsFormattedResults(): void
    {
        $service = $this->createServiceWithResults([
            ['activityId' => 5, 'name' => 'Dev'],
        ]);

        $result = $service->getUserActivities($this->createMock(User::class));

        $this->assertCount(1, $result);
        $this->assertSame(5, $result[0]['id']);
        $this->assertSame('Dev', $result[0]['name']);
    }

    public function testGetUserActivitiesWithProjectScope(): void
    {
        $service = $this->createServiceWithResults([
            ['activityId' => 5, 'name' => 'Dev'],
        ]);

        $result = $service->getUserActivities($this->createMock(User::class), 10);

        $this->assertCount(1, $result);
        $this->assertSame(5, $result[0]['id']);
    }

    private function createServiceWithResults(array $results): HeatmapService
    {
        $query = $this->createMock(AbstractQuery::class);
        $query->method('getResult')->willReturn($results);

        $qb = $this->createMock(QueryBuilder::class);
        $qb->method('select')->willReturnSelf();
        $qb->method('addSelect')->willReturnSelf();
        $qb->method('andWhere')->willReturnSelf();
        $qb->method('setParameter')->willReturnSelf();
        $qb->method('groupBy')->willReturnSelf();
        $qb->method('orderBy')->willReturnSelf();
        $qb->method('join')->willReturnSelf();
        $qb->method('expr')->willReturn(new Expr());
        $qb->method('getQuery')->willReturn($query);

        $repo = $this->createMock(TimesheetRepository::class);
        $repo->method('createQueryBuilder')->willReturn($qb);

        $em = $this->createMock(\Doctrine\ORM\EntityManagerInterface::class);

        return new HeatmapService($repo, $em);
    }

    private function createServiceWithNativeResults(array $results): HeatmapService
    {
        $statement = $this->createMock(\Doctrine\DBAL\Result::class);
        $statement->method('fetchAllAssociative')->willReturn($results);

        $connection = $this->createMock(\Doctrine\DBAL\Connection::class);
        $connection->method('executeQuery')->willReturn($statement);

        $em = $this->createMock(\Doctrine\ORM\EntityManagerInterface::class);
        $em->method('getConnection')->willReturn($connection);

        $repo = $this->createMock(TimesheetRepository::class);

        return new HeatmapService($repo, $em);
    }
}