<?php

declare(strict_types=1);

namespace App\Tests\Integration\Public;

use App\Domain\Auth\Role;
use App\Domain\Auth\TokenKind;
use App\Tests\Integration\Support\AppTestCase;

final class ReportControllerTest extends AppTestCase
{
    public function testValidReportInsertedAndScoreUpdated(): void
    {
        $reporterId = $this->createReporter('web-prod');
        $token = $this->createToken(TokenKind::Reporter, reporterId: $reporterId);

        $resp = $this->request(
            'POST',
            '/api/v1/report',
            ['Authorization' => 'Bearer ' . $token, 'Content-Type' => 'application/json'],
            json_encode(['ip' => '203.0.113.42', 'category' => 'brute_force']) ?: null,
        );
        self::assertSame(202, $resp->getStatusCode());
        $body = $this->decode($resp);
        self::assertArrayHasKey('report_id', $body);
        self::assertSame('203.0.113.42', $body['ip']);
        self::assertArrayHasKey('received_at', $body);

        // ip_scores must have a row > 0.
        $score = $this->db->fetchOne(
            "SELECT score FROM ip_scores WHERE ip_text = '203.0.113.42'"
        );
        self::assertNotFalse($score);
        self::assertGreaterThan(0.0, (float) $score);
    }

    public function testManyReportsAccumulateMonotonically(): void
    {
        $reporterId = $this->createReporter('web-many');
        $token = $this->createToken(TokenKind::Reporter, reporterId: $reporterId);

        for ($i = 0; $i < 5; $i++) {
            $this->request(
                'POST',
                '/api/v1/report',
                ['Authorization' => 'Bearer ' . $token, 'Content-Type' => 'application/json'],
                json_encode(['ip' => '198.51.100.7', 'category' => 'scanner']) ?: null,
            );
        }

        $count = (int) $this->db->fetchOne(
            "SELECT COUNT(*) FROM reports WHERE ip_text = '198.51.100.7'"
        );
        self::assertSame(5, $count);

        $score = (float) $this->db->fetchOne(
            "SELECT score FROM ip_scores WHERE ip_text = '198.51.100.7'"
        );
        // 5 fresh reports × weight 1.0 × decay~1.0 should be ~5.0.
        self::assertEqualsWithDelta(5.0, $score, 0.05);
    }

    public function testWrongKindTokenRejected(): void
    {
        $token = $this->createToken(TokenKind::Admin, role: Role::Admin);

        $resp = $this->request(
            'POST',
            '/api/v1/report',
            ['Authorization' => 'Bearer ' . $token, 'Content-Type' => 'application/json'],
            json_encode(['ip' => '1.2.3.4', 'category' => 'spam']) ?: null,
        );
        self::assertSame(401, $resp->getStatusCode());
    }

    public function testInvalidIpReturns400(): void
    {
        $reporterId = $this->createReporter('web-bad-ip');
        $token = $this->createToken(TokenKind::Reporter, reporterId: $reporterId);

        $resp = $this->request(
            'POST',
            '/api/v1/report',
            ['Authorization' => 'Bearer ' . $token, 'Content-Type' => 'application/json'],
            json_encode(['ip' => 'not-an-ip', 'category' => 'spam']) ?: null,
        );
        self::assertSame(400, $resp->getStatusCode());
        $body = $this->decode($resp);
        self::assertSame('validation_failed', $body['error']);
        self::assertArrayHasKey('ip', $body['details']);
    }

    public function testUnknownCategoryReturns400(): void
    {
        $reporterId = $this->createReporter('web-bad-cat');
        $token = $this->createToken(TokenKind::Reporter, reporterId: $reporterId);

        $resp = $this->request(
            'POST',
            '/api/v1/report',
            ['Authorization' => 'Bearer ' . $token, 'Content-Type' => 'application/json'],
            json_encode(['ip' => '1.2.3.4', 'category' => 'no-such']) ?: null,
        );
        self::assertSame(400, $resp->getStatusCode());
        self::assertArrayHasKey('category', $this->decode($resp)['details']);
    }

    public function testMetadataMustBeObject(): void
    {
        $reporterId = $this->createReporter('web-bad-meta');
        $token = $this->createToken(TokenKind::Reporter, reporterId: $reporterId);

        $resp = $this->request(
            'POST',
            '/api/v1/report',
            ['Authorization' => 'Bearer ' . $token, 'Content-Type' => 'application/json'],
            json_encode(['ip' => '1.2.3.4', 'category' => 'spam', 'metadata' => [1, 2, 3]]) ?: null,
        );
        self::assertSame(400, $resp->getStatusCode());
    }

    public function testMetadataExceedingLimitRejected(): void
    {
        $reporterId = $this->createReporter('web-big-meta');
        $token = $this->createToken(TokenKind::Reporter, reporterId: $reporterId);

        $big = ['blob' => str_repeat('A', 5000)];
        $resp = $this->request(
            'POST',
            '/api/v1/report',
            ['Authorization' => 'Bearer ' . $token, 'Content-Type' => 'application/json'],
            json_encode(['ip' => '1.2.3.4', 'category' => 'spam', 'metadata' => $big]) ?: null,
        );
        self::assertSame(400, $resp->getStatusCode());
    }

    public function testInactiveReporterTokenRejected(): void
    {
        $reporterId = $this->createReporter('web-disabled');
        $token = $this->createToken(TokenKind::Reporter, reporterId: $reporterId);
        $this->db->update('reporters', ['is_active' => 0], ['id' => $reporterId]);

        $resp = $this->request(
            'POST',
            '/api/v1/report',
            ['Authorization' => 'Bearer ' . $token, 'Content-Type' => 'application/json'],
            json_encode(['ip' => '1.2.3.4', 'category' => 'spam']) ?: null,
        );
        self::assertSame(401, $resp->getStatusCode());
    }
}