<?php

declare(strict_types=1);

namespace Tests\Feature;

use App\Enums\PageStatusEnum;
use App\Livewire\UrlSubmissionForm;
use App\Models\Page;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Livewire\Livewire;
use PHPUnit\Framework\Attributes\DataProvider;
use Tests\TestCase;

class UrlSubmissionTest extends TestCase
{
    use RefreshDatabase;

    // -------------------------------------------------------------------------
    // Test 1 — route renders the submission form
    // -------------------------------------------------------------------------

    public function test_submission_form_renders_at_public_route(): void
    {
        $response = $this->get('/submit');

        $response->assertStatus(200);
        $response->assertSeeLivewire('url-submission-form');
    }

    // -------------------------------------------------------------------------
    // Test 2 — valid submission creates a page row as Discovered
    // -------------------------------------------------------------------------

    public function test_valid_url_submission_creates_page_as_discovered(): void
    {
        Livewire::test(UrlSubmissionForm::class)
            ->set('url', 'https://example.com/interesting-post')
            ->call('submit')
            ->assertHasNoErrors();

        $this->assertDatabaseHas('pages', [
            'url' => 'https://example.com/interesting-post',
            'status' => PageStatusEnum::Discovered,
            'instance_id' => null,
        ]);
    }

    // -------------------------------------------------------------------------
    // Test 3 — duplicate submission is idempotent (no second row created)
    // -------------------------------------------------------------------------

    public function test_duplicate_url_submission_does_not_create_second_page(): void
    {
        $url = 'https://example.com/seen-before';

        Page::factory()->create([
            'url' => $url,
            'status' => PageStatusEnum::Discovered,
        ]);

        Livewire::test(UrlSubmissionForm::class)
            ->set('url', $url)
            ->call('submit')
            ->assertHasNoErrors();

        $this->assertDatabaseCount('pages', 1);
    }

    // -------------------------------------------------------------------------
    // Test 4 — confirmation state echoes submitted URL
    // -------------------------------------------------------------------------

    public function test_confirmation_state_echoes_submitted_url(): void
    {
        $url = 'https://example.com/great-article';

        Livewire::test(UrlSubmissionForm::class)
            ->set('url', $url)
            ->call('submit')
            ->assertHasNoErrors()
            ->assertSet('confirmedUrl', $url)
            ->assertSet('url', '')
            ->assertSee($url);
    }

    // -------------------------------------------------------------------------
    // Test 5 — empty URL fails validation (regression lock)
    // -------------------------------------------------------------------------

    public function test_missing_url_fails_validation(): void
    {
        Livewire::test(UrlSubmissionForm::class)
            ->set('url', '')
            ->call('submit')
            ->assertHasErrors(['url' => 'required']);
    }

    // -------------------------------------------------------------------------
    // Test 6 — invalid URL formats fail validation
    // -------------------------------------------------------------------------

    #[DataProvider('invalidUrls')]
    public function test_invalid_url_formats_fail_validation(string $url): void
    {
        Livewire::test(UrlSubmissionForm::class)
            ->set('url', $url)
            ->call('submit')
            ->assertHasErrors('url');
    }

    public static function invalidUrls(): array
    {
        return [
            'no scheme' => ['not-a-url'],
            'disallowed scheme' => ['ftp://example.com'],
            'javascript scheme' => ['javascript:alert(1)'],
        ];
    }

    // -------------------------------------------------------------------------
    // Test 7 — rate limit blocks the 11th submission within a minute
    // -------------------------------------------------------------------------

    public function test_rate_limit_blocks_eleventh_submission_within_a_minute(): void
    {
        // 10 submissions within the limit — each must succeed
        for ($i = 1; $i <= 10; $i++) {
            Livewire::test(UrlSubmissionForm::class)
                ->set('url', "https://example.com/post-{$i}")
                ->call('submit')
                ->assertHasNoErrors();
        }

        // 11th submission from the same IP must be blocked, with the message visible
        Livewire::test(UrlSubmissionForm::class)
            ->set('url', 'https://example.com/post-11')
            ->call('submit')
            ->assertHasErrors('rate_limit')
            ->assertSee('Too many submissions');

        // The 11th URL must NOT have been persisted
        $this->assertDatabaseCount('pages', 10);
    }
}