<?php

declare(strict_types=1);

namespace App\Tests\Unit\Administration\Application\Query\GetUsers;

use App\Administration\Application\Dto\PaginatedResult;
use App\Administration\Application\Port\PaginatedUsersReader;
use App\Administration\Application\Query\GetUsers\GetUsersHandler;
use App\Administration\Application\Query\GetUsers\GetUsersQuery;
use App\Administration\Application\Query\GetUsers\UserDto;
use App\Administration\Application\Service\Cache\PaginatedQueryCache;
use DateTimeImmutable;
use PHPUnit\Framework\Attributes\Test;
use PHPUnit\Framework\TestCase;
use Symfony\Component\Cache\Adapter\ArrayAdapter;
use Symfony\Component\Cache\Adapter\TagAwareAdapter;

final class GetUsersHandlerTest extends TestCase
{
    private PaginatedUsersReader $reader;
    private PaginatedQueryCache $cache;
    private GetUsersHandler $handler;

    protected function setUp(): void
    {
        $this->reader = $this->createMock(PaginatedUsersReader::class);
        $this->cache = new PaginatedQueryCache(
            new TagAwareAdapter(new ArrayAdapter()),
        );
        $this->handler = new GetUsersHandler($this->reader, $this->cache);
    }

    #[Test]
    public function returnsUsersForTenant(): void
    {
        $dto = $this->createUserDto();
        $this->reader->method('findPaginated')->willReturn(
            new PaginatedResult(items: [$dto], total: 1, page: 1, limit: 30),
        );

        $result = ($this->handler)(new GetUsersQuery(tenantId: 'tenant-1'));

        self::assertCount(1, $result->items);
        self::assertSame(1, $result->total);
    }

    #[Test]
    public function mapsDtoFields(): void
    {
        $dto = $this->createUserDto();
        $this->reader->method('findPaginated')->willReturn(
            new PaginatedResult(items: [$dto], total: 1, page: 1, limit: 30),
        );

        $result = ($this->handler)(new GetUsersQuery(tenantId: 'tenant-1'));

        $item = $result->items[0];
        self::assertSame('user-1', $item->id);
        self::assertSame('prof@test.com', $item->email);
        self::assertSame('ROLE_PROF', $item->role);
        self::assertSame('Dupont', $item->lastName);
    }

    #[Test]
    public function paginatesResults(): void
    {
        $this->reader->method('findPaginated')->willReturn(
            new PaginatedResult(items: [], total: 50, page: 2, limit: 10),
        );

        $result = ($this->handler)(new GetUsersQuery(tenantId: 'tenant-1', page: 2, limit: 10));

        self::assertSame(50, $result->total);
        self::assertSame(2, $result->page);
        self::assertSame(10, $result->limit);
    }

    #[Test]
    public function cachesResult(): void
    {
        $dto = $this->createUserDto();
        $this->reader->expects(self::once())->method('findPaginated')->willReturn(
            new PaginatedResult(items: [$dto], total: 1, page: 1, limit: 30),
        );

        $query = new GetUsersQuery(tenantId: 'tenant-1');
        ($this->handler)($query);
        $result = ($this->handler)($query);

        self::assertCount(1, $result->items);
    }

    #[Test]
    public function clampsPageToMinimumOne(): void
    {
        $this->reader->method('findPaginated')->willReturn(
            new PaginatedResult(items: [], total: 0, page: 1, limit: 30),
        );

        $result = ($this->handler)(new GetUsersQuery(tenantId: 'tenant-1', page: -5));

        self::assertSame(1, $result->page);
    }

    #[Test]
    public function clampsLimitToMaximumHundred(): void
    {
        $this->reader->method('findPaginated')->willReturn(
            new PaginatedResult(items: [], total: 0, page: 1, limit: 100),
        );

        $result = ($this->handler)(new GetUsersQuery(tenantId: 'tenant-1', limit: 500));

        self::assertSame(100, $result->limit);
    }

    private function createUserDto(): UserDto
    {
        return new UserDto(
            id: 'user-1',
            email: 'prof@test.com',
            role: 'ROLE_PROF',
            roleLabel: 'Enseignant',
            roles: ['ROLE_PROF'],
            firstName: 'Jean',
            lastName: 'Dupont',
            statut: 'actif',
            createdAt: new DateTimeImmutable('2026-01-15'),
            invitedAt: new DateTimeImmutable('2026-01-10'),
            activatedAt: new DateTimeImmutable('2026-01-12'),
            blockedAt: null,
            blockedReason: null,
            invitationExpiree: false,
        );
    }
}