<?php

use Illuminate\Support\Facades\Http;
use Mattitja\Analytics\Data\PageviewData;
use Mattitja\Analytics\Services\AnalyticsClient;

beforeEach(function () {
    Http::fake();
});

it('sends analytics data to the correct endpoint', function () {
    $client = new AnalyticsClient;
    $data = new PageviewData(
        siteKey: 'testsiteky',
        url: 'https://example.com/test',
        ip: '192.168.1.1',
        userAgent: 'Mozilla/5.0 Chrome',
        referrer: 'https://google.com',
    );

    $client->send($data);

    Http::assertSent(function ($request) {
        return $request->url() === 'https://analytics.mattitja.cloud/api/send' &&
               $request->method() === 'POST' &&
               $request->data() === [
                   'k' => 'testsiteky',
                   'u' => 'https://example.com/test',
                   'ip' => '192.168.1.1',
                   'ua' => 'Mozilla/5.0 Chrome',
                   'r' => 'https://google.com',
               ];
    });
});

it('handles API failures gracefully', function () {
    Http::fake([
        'analytics.mattitja.cloud/*' => Http::response('Server Error', 500),
    ]);

    $client = new AnalyticsClient;
    $data = new PageviewData(
        siteKey: 'testsiteky',
        url: 'https://example.com/test',
        ip: '192.168.1.1',
        userAgent: 'Mozilla/5.0 Chrome',
        referrer: 'https://google.com',
    );

    expect(fn () => $client->send($data))->not->toThrow(Exception::class);
});

it('sends data with correct site key', function () {
    $client = new AnalyticsClient;
    $data = new PageviewData(
        siteKey: 'testsiteky',
        url: 'https://example.com/test',
        ip: '192.168.1.1',
        userAgent: 'Mozilla/5.0 Chrome',
    );

    $client->send($data);

    Http::assertSent(function ($request) {
        return $request->data()['k'] === 'testsiteky';
    });
});

it('skips sending when required fields are empty', function () {
    $client = new AnalyticsClient;

    $client->send(new PageviewData(
        siteKey: '',
        url: 'https://example.com',
        ip: '192.168.1.1',
        userAgent: 'Mozilla/5.0',
    ));

    $client->send(new PageviewData(
        siteKey: 'testsiteky',
        url: '',
        ip: '192.168.1.1',
        userAgent: 'Mozilla/5.0',
    ));

    $client->send(new PageviewData(
        siteKey: 'testsiteky',
        url: 'https://example.com',
        ip: '',
        userAgent: 'Mozilla/5.0',
    ));

    Http::assertNothingSent();
});

it('skips sending when URL exceeds 512 characters', function () {
    $client = new AnalyticsClient;
    $longUrl = 'https://example.com/'.str_repeat('a', 500);

    $client->send(new PageviewData(
        siteKey: 'testsiteky',
        url: $longUrl,
        ip: '192.168.1.1',
        userAgent: 'Mozilla/5.0 Chrome',
    ));

    Http::assertNothingSent();
});

it('excludes empty referrer from payload', function () {
    $client = new AnalyticsClient;
    $data = new PageviewData(
        siteKey: 'testsiteky',
        url: 'https://example.com/test',
        ip: '192.168.1.1',
        userAgent: 'Mozilla/5.0 Chrome',
        referrer: '',
    );

    $client->send($data);

    Http::assertSent(function ($request) {
        return ! isset($request->data()['r']);
    });
});

it('excludes null referrer from payload', function () {
    $client = new AnalyticsClient;
    $data = new PageviewData(
        siteKey: 'testsiteky',
        url: 'https://example.com/test',
        ip: '192.168.1.1',
        userAgent: 'Mozilla/5.0 Chrome',
        referrer: null,
    );

    $client->send($data);

    Http::assertSent(function ($request) {
        return ! isset($request->data()['r']);
    });
});