<?php

use App\Enums\LegalRequestStatus;
use App\Enums\LegalRequestType;
use App\Enums\LegalRequestVerificationMethod;
use App\Mail\LegalRequestReceived;
use App\Mail\PressReleaseReportLink;
use App\Models\Contact;
use App\Models\LegalRequest;
use App\Models\MagicLink;
use App\Models\PressRelease;
use App\Models\User;
use App\Services\Auth\MagicLinkGenerator;
use Database\Seeders\RolesAndPermissionsSeeder;
use Illuminate\Support\Facades\Mail;
use Illuminate\Support\Facades\RateLimiter;
use Tests\TestCase;

beforeEach(function () {
    RateLimiter::clear('pm-report|127.0.0.1');
});

function publishedReleaseWithContact(string $contactEmail = 'presse@firma.example'): PressRelease
{
    $pressRelease = PressRelease::factory()->published()->create();
    $contact = Contact::factory()->create(['email' => $contactEmail]);
    $pressRelease->contacts()->attach($contact->id);

    return $pressRelease;
}

function detailUrlFor(PressRelease $pressRelease): string
{
    return 'https://presseecho.test/de/press-release/'.$pressRelease->slug;
}

test('the intake sends a magic link to the stored press contact, never to a form address', function () {
    /** @var TestCase $this */
    Mail::fake();

    $pressRelease = publishedReleaseWithContact('presse@firma.example');

    $response = $this->post('/de/melden/pm', [
        'reported_url' => detailUrlFor($pressRelease),
    ]);

    $response->assertRedirect();
    $response->assertSessionHas('pm-report-status', fn (string $status) => str_contains($status, 'p***@firma.example'));

    Mail::assertQueued(PressReleaseReportLink::class, fn (PressReleaseReportLink $mail) => $mail->hasTo('presse@firma.example'));

    $link = MagicLink::query()->where('purpose', 'press_release_report')->sole();
    expect($link->payload['press_release_id'])->toBe($pressRelease->id)
        ->and($link->payload['contact_email'])->toBe('presse@firma.example');
});

test('the intake falls back to the company contact when the release has none', function () {
    /** @var TestCase $this */
    Mail::fake();

    // Legacy-Import-Fall: keine PM↔Kontakt-Verknüpfung, aber die Firma hat
    // einen Pressekontakt — der zählt als verifizierbarer Kanal.
    $pressRelease = PressRelease::factory()->published()->create();
    Contact::factory()->create([
        'company_id' => $pressRelease->company_id,
        'email' => 'firmenkontakt@firma.example',
    ]);

    expect($pressRelease->contacts()->count())->toBe(0);

    $this->post('/de/melden/pm', [
        'reported_url' => detailUrlFor($pressRelease),
    ])->assertRedirect();

    Mail::assertQueued(PressReleaseReportLink::class, fn (PressReleaseReportLink $mail) => $mail->hasTo('firmenkontakt@firma.example'));
});

test('an unknown url is rejected with a validation error', function () {
    /** @var TestCase $this */
    Mail::fake();

    $this->post('/de/melden/pm', ['reported_url' => 'https://presseecho.test/de/press-release/gibt-es-nicht'])
        ->assertSessionHasErrors('reported_url');

    Mail::assertNothingQueued();
});

test('a release without any contact email points to the manual fallback', function () {
    /** @var TestCase $this */
    Mail::fake();

    $pressRelease = PressRelease::factory()->published()->create();
    $pressRelease->company()->withoutGlobalScopes()->update(['email' => null]);

    $this->post('/de/melden/pm', ['reported_url' => detailUrlFor($pressRelease)])
        ->assertSessionHas('pm-report-manual', true);

    Mail::assertNothingQueued();
});

test('link requests per release are rate limited', function () {
    /** @var TestCase $this */
    Mail::fake();
    config()->set('legal.report_links_per_day', 1);

    $pressRelease = publishedReleaseWithContact();

    $this->post('/de/melden/pm', ['reported_url' => detailUrlFor($pressRelease)])
        ->assertSessionHas('pm-report-status');

    $this->post('/de/melden/pm', ['reported_url' => detailUrlFor($pressRelease)])
        ->assertSessionHasErrors('reported_url');

    Mail::assertQueuedCount(1);
});

test('the magic link verifies once and opens the concern selection', function () {
    /** @var TestCase $this */
    $pressRelease = publishedReleaseWithContact();
    $link = app(MagicLinkGenerator::class)->createReportLink($pressRelease, 'presse@firma.example');

    $this->get('/de/melden/pm/verifizieren/'.$link['plain_token'])
        ->assertRedirect('/de/melden/pm/anliegen');

    $this->get('/de/melden/pm/anliegen')
        ->assertOk()
        ->assertSee($pressRelease->title)
        ->assertSee('p***@firma.example');

    // Zweiter Klick: Link ist verbraucht.
    $this->get('/de/melden/pm/verifizieren/'.$link['plain_token'])
        ->assertRedirect('/de/melden/pm')
        ->assertSessionHas('pm-report-error');
});

test('a verified visitor can submit a concern which lands verified in the queue', function () {
    /** @var TestCase $this */
    Mail::fake();

    $pressRelease = publishedReleaseWithContact();
    $link = app(MagicLinkGenerator::class)->createReportLink($pressRelease, 'presse@firma.example');
    $this->get('/de/melden/pm/verifizieren/'.$link['plain_token']);

    $this->post('/de/melden/pm/anliegen', [
        'concern' => 'correction',
        'message' => 'Bitte den Tippfehler im Firmennamen korrigieren.',
    ])->assertSessionHas('pm-report-status');

    $request = LegalRequest::query()->sole();

    expect($request->type)->toBe(LegalRequestType::Correction)
        ->and($request->press_release_id)->toBe($pressRelease->id)
        ->and($request->requester_email)->toBe('presse@firma.example')
        ->and($request->verified_at)->not->toBeNull()
        ->and($request->verification_method)->toBe(LegalRequestVerificationMethod::MagicLink)
        ->and($request->status)->toBe(LegalRequestStatus::Open);

    Mail::assertQueued(LegalRequestReceived::class, fn (LegalRequestReceived $mail) => $mail->hasTo('presse@firma.example'));
});

test('the dsgvo concern requires terms and enforces the mandatory preview', function () {
    /** @var TestCase $this */
    Mail::fake();

    $pressRelease = publishedReleaseWithContact();
    $pressRelease->forceFill(['title' => 'Max Mustermann übernimmt die Leitung'])->save();
    $link = app(MagicLinkGenerator::class)->createReportLink($pressRelease, 'presse@firma.example');
    $this->get('/de/melden/pm/verifizieren/'.$link['plain_token']);

    // Ohne Begriffe und ohne Entfernungs-Option → Fehler.
    $this->post('/de/melden/pm/anliegen', [
        'concern' => 'dsgvo',
        'message' => 'Bitte meinen Namen entfernen, danke.',
    ])->assertSessionHasErrors('redaction_terms');

    // Begriffe ohne Treffer → Fehler mit Hinweis auf die Schreibweise.
    $this->post('/de/melden/pm/anliegen', [
        'concern' => 'dsgvo',
        'message' => 'Bitte meinen Namen entfernen, danke.',
        'redaction_terms' => 'Kommtnichtvor',
    ])->assertSessionHasErrors('redaction_terms');

    // Mit Treffern → Pflicht-Vorschau (kein Redirect), noch KEINE Anfrage.
    $this->post('/de/melden/pm/anliegen', [
        'concern' => 'dsgvo',
        'message' => 'Bitte meinen Namen entfernen, danke.',
        'redaction_terms' => 'Max Mustermann',
    ])->assertOk()
        ->assertSee('Vorschau: So sieht die Mitteilung nach der Schwärzung aus')
        ->assertSee('[entfernt] übernimmt die Leitung')
        ->assertSee('Verbindlich einreichen');

    expect(LegalRequest::query()->count())->toBe(0)
        ->and($pressRelease->fresh()->title)->toBe('Max Mustermann übernimmt die Leitung');
});

test('the confirmed dsgvo submission stores a structured redaction order without touching the release', function () {
    /** @var TestCase $this */
    Mail::fake();

    $pressRelease = publishedReleaseWithContact();
    $pressRelease->forceFill(['title' => 'Max Mustermann übernimmt die Leitung'])->save();
    $link = app(MagicLinkGenerator::class)->createReportLink($pressRelease, 'presse@firma.example');
    $this->get('/de/melden/pm/verifizieren/'.$link['plain_token']);

    $this->post('/de/melden/pm/anliegen', [
        'concern' => 'dsgvo',
        'message' => 'Bitte meinen Namen entfernen, danke.',
        'redaction_terms' => "Max Mustermann\nMustermanns",
        'detach_contacts' => '1',
        'remove_images' => '1',
        'confirmed' => '1',
    ])->assertSessionHas('pm-report-status');

    $request = LegalRequest::query()->sole();

    expect($request->type)->toBe(LegalRequestType::Dsgvo)
        ->and($request->status)->toBe(LegalRequestStatus::Open)
        ->and($request->payload['redaction']['terms'])->toBe(['Max Mustermann', 'Mustermanns'])
        ->and($request->payload['redaction']['detach_contacts'])->toBeTrue()
        ->and($request->payload['redaction']['remove_images_requested'])->toBeTrue()
        ->and($request->payload['redaction']['preview_total_hits'])->toBeGreaterThan(0)
        ->and($request->executed_at)->toBeNull()
        // Einreichung ≠ Ausführung: an der PM ändert sich nichts.
        ->and($pressRelease->fresh()->title)->toBe('Max Mustermann übernimmt die Leitung')
        ->and($pressRelease->fresh()->contacts()->count())->toBe(1);

    Mail::assertQueued(LegalRequestReceived::class, fn (LegalRequestReceived $mail) => $mail->hasTo('presse@firma.example'));
});

test('a second open concern of the same type is blocked', function () {
    /** @var TestCase $this */
    Mail::fake();

    $pressRelease = publishedReleaseWithContact();
    $link = app(MagicLinkGenerator::class)->createReportLink($pressRelease, 'presse@firma.example');
    $this->get('/de/melden/pm/verifizieren/'.$link['plain_token']);

    LegalRequest::factory()->type(LegalRequestType::Correction)->create([
        'press_release_id' => $pressRelease->id,
        'status' => LegalRequestStatus::Open,
    ]);

    $this->post('/de/melden/pm/anliegen', [
        'concern' => 'correction',
        'message' => 'Bitte Tippfehler im Titel korrigieren.',
    ])->assertSessionHasErrors('concern');
});

test('the concern page requires a verified session', function () {
    /** @var TestCase $this */
    $this->get('/de/melden/pm/anliegen')
        ->assertRedirect('/de/melden/pm')
        ->assertSessionHas('pm-report-error');
});

test('a logged-in owner skips verification and lands in the concern selection', function () {
    /** @var TestCase $this */
    $this->seed(RolesAndPermissionsSeeder::class);
    $owner = User::factory()->create(['is_active' => true]);
    $owner->assignRole('customer');
    $pressRelease = PressRelease::factory()->published()->create(['user_id' => $owner->id]);

    $this->actingAs($owner)
        ->post('/admin/me/press-releases/'.$pressRelease->id.'/melden')
        ->assertRedirect('/de/melden/pm/anliegen');

    $this->get('/de/melden/pm/anliegen')->assertOk()->assertSee($pressRelease->title);
});

test('a foreign user cannot start the report flow for someone elses release', function () {
    /** @var TestCase $this */
    $this->seed(RolesAndPermissionsSeeder::class);
    $stranger = User::factory()->create(['is_active' => true]);
    $stranger->assignRole('customer');
    $pressRelease = PressRelease::factory()->published()->create();

    $this->actingAs($stranger)
        ->post('/admin/me/press-releases/'.$pressRelease->id.'/melden')
        ->assertForbidden();
});