<?php

use App\Enums\PressReleaseStatus;
use App\Models\Category;
use App\Models\Company;
use App\Models\LegalDocument;
use App\Models\LegalDocumentAcceptance;
use App\Models\PressRelease;
use App\Models\User;
use App\Services\Legal\LegalAcceptanceGate;
use Database\Seeders\LegalDocumentSeeder;
use Database\Seeders\RolesAndPermissionsSeeder;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Exceptions;
use Illuminate\Support\Facades\Mail;
use Laravel\Sanctum\Sanctum;
use Livewire\Features\SupportLockedProperties\CannotUpdateLockedPropertyException;
use Livewire\Volt\Volt as LivewireVolt;
use Tests\TestCase;

/**
 * Zustimmungsgate (Bildkennzeichnung Block G, Decision-Update E12, O2).
 */
beforeEach(function (): void {
    /** @var TestCase $this */
    $this->seed(RolesAndPermissionsSeeder::class);
    $this->seed(LegalDocumentSeeder::class);
    Mail::fake();
    config()->set('billing.enforce_booking', false);
});

/**
 * @return array{owner: User, pr: PressRelease}
 */
function legalGateDraft(): array
{
    $owner = User::factory()->create(['is_active' => true]);
    $owner->assignRole('customer');
    $company = Company::factory()->presseecho()->create();
    $owner->companies()->attach($company->id, ['role' => 'owner']);

    $pr = PressRelease::factory()->create([
        'user_id' => $owner->id,
        'company_id' => $company->id,
        'category_id' => Category::factory()->create()->id,
        'portal' => $company->portal->value,
        'status' => 'draft',
    ]);

    return compact('owner', 'pr');
}

test('with the gate off nothing is required and submitting works as before', function () {
    /** @var TestCase $this */
    ['owner' => $owner, 'pr' => $pr] = legalGateDraft();
    $this->actingAs($owner);

    expect(app(LegalAcceptanceGate::class)->requiredFor($owner))->toBeEmpty();

    LivewireVolt::test('customer.press-releases.show', ['id' => $pr->id])
        ->assertDontSee('Neue Fassung unserer Bedingungen')
        ->set('aiTextDeclaration', 'none')
        ->set('aiDeclarationConfirmed', true)
        ->call('submitForReview')
        ->assertHasNoErrors();

    expect($pr->fresh()->status)->not->toBe(PressReleaseStatus::Draft)
        ->and(LegalDocumentAcceptance::query()->count())->toBe(0);
});

test('with the gate on the submit requires an active acceptance of agb and guidelines and records both', function () {
    /** @var TestCase $this */
    config()->set('legal.acceptance_gate', true);
    ['owner' => $owner, 'pr' => $pr] = legalGateDraft();
    $this->actingAs($owner);

    expect(app(LegalAcceptanceGate::class)->requiredFor($owner)->pluck('type')->all())->toBe(['agb', 'richtlinien']);

    $component = LivewireVolt::test('customer.press-releases.show', ['id' => $pr->id])
        ->assertSee('Neue Fassung unserer Bedingungen')
        ->assertSee('Version 0.6')
        ->set('aiTextDeclaration', 'none')
        ->set('aiDeclarationConfirmed', true)
        ->call('submitForReview')
        ->assertHasErrors(['legalAcceptanceConfirmed']);

    expect($pr->fresh()->status)->toBe(PressReleaseStatus::Draft);

    $component->set('legalAcceptanceConfirmed', true)->call('submitForReview')->assertHasNoErrors();

    // Der synchrone Prüf-Job kann die Meldung direkt veröffentlichen — entscheidend ist: nicht mehr Entwurf.
    expect($pr->fresh()->status)->not->toBe(PressReleaseStatus::Draft)
        ->and(LegalDocumentAcceptance::query()->where('user_id', $owner->id)->pluck('type')->sort()->values()->all())->toBe(['agb', 'richtlinien'])
        ->and(LegalDocumentAcceptance::query()->first()->context)->toBe('submit')
        ->and(app(LegalAcceptanceGate::class)->requiredFor($owner))->toBeEmpty();

    // Neue AGB-Fassung: das Gate fordert genau diese eine Fassung erneut.
    LegalDocument::factory()->agb()->create(['version' => '0.7', 'effective_from' => now()->subDay()->toDateString()]);

    expect(app(LegalAcceptanceGate::class)->requiredFor($owner)->pluck('version')->all())->toBe(['0.7']);
});

test('a confirmation is bound to the versions that were shown, a newer version must be read and accepted again', function () {
    /** @var TestCase $this */
    config()->set('legal.acceptance_gate', true);
    ['owner' => $owner, 'pr' => $pr] = legalGateDraft();
    $this->actingAs($owner);

    $component = LivewireVolt::test('customer.press-releases.show', ['id' => $pr->id])
        ->assertSee('Version 0.6')
        ->set('aiTextDeclaration', 'none')
        ->set('aiDeclarationConfirmed', true)
        ->set('legalAcceptanceConfirmed', true);

    expect($component->get('legalAcceptanceVersions')['agb'])->toBe('0.6');

    // Zwischen Anzeige und Absenden wird eine neue AGB-Fassung wirksam.
    LegalDocument::factory()->agb()->create(['version' => '0.7', 'effective_from' => now()->subDay()->toDateString()]);

    $component->call('submitForReview')->assertHasErrors(['legalAcceptanceConfirmed']);

    expect(LegalDocumentAcceptance::query()->count())->toBe(0)
        ->and($pr->fresh()->status)->toBe(PressReleaseStatus::Draft)
        ->and($component->get('legalAcceptanceConfirmed'))->toBeFalse()
        ->and($component->get('legalAcceptanceVersions')['agb'])->toBe('0.7');

    // Neu gelesen und bestätigt: jetzt wird genau 0.7 protokolliert.
    $component->assertSee('Version 0.7')
        ->set('aiDeclarationConfirmed', true)
        ->set('legalAcceptanceConfirmed', true)
        ->call('submitForReview')
        ->assertHasNoErrors();

    expect(LegalDocumentAcceptance::query()->where('type', 'agb')->pluck('version')->all())->toBe(['0.7'])
        ->and($pr->fresh()->status)->not->toBe(PressReleaseStatus::Draft);
});

test('a missing required document is a configuration error while the gate is on, not a smaller gate', function () {
    /** @var TestCase $this */
    config()->set('legal.acceptance_gate', true);
    ['owner' => $owner] = legalGateDraft();

    LegalDocument::query()->where('type', 'richtlinien')->delete();

    expect(fn () => app(LegalAcceptanceGate::class)->requiredFor($owner))->toThrow(RuntimeException::class, 'richtlinien');
});

test('acceptances are insert-only', function () {
    config()->set('legal.acceptance_gate', true);
    ['owner' => $owner] = legalGateDraft();
    $gate = app(LegalAcceptanceGate::class);
    $rows = $gate->accept($owner, $gate->requiredFor($owner), 'gate', '203.0.113.5', 'Pest');

    expect($rows)->toHaveCount(2)
        ->and($rows[0]->ip_hmac)->toStartWith('v1:')
        ->and(fn () => $rows[0]->delete())->toThrow(LogicException::class)
        ->and($gate->accept($owner, $gate->requiredFor($owner), 'gate'))->toBe([]);
});

test('the api answers 428 with the required documents until they are accepted', function () {
    /** @var TestCase $this */
    config()->set('legal.acceptance_gate', true);
    ['owner' => $owner, 'pr' => $pr] = legalGateDraft();
    Sanctum::actingAs($owner, ['press-releases:write', 'press-releases:read']);

    $this->postJson("/api/v1/press-releases/{$pr->id}/submit", ['ai_text_declaration' => 'none'])
        ->assertStatus(428)
        ->assertJsonPath('required_documents.0.type', 'agb')
        ->assertJsonPath('required_documents.1.version', '0.2');

    $this->postJson('/api/v1/legal/acceptances', ['documents' => [['type' => 'agb', 'version' => '0.5']]])
        ->assertUnprocessable();

    $this->postJson('/api/v1/legal/acceptances', ['documents' => [
        ['type' => 'agb', 'version' => '0.6'],
        ['type' => 'richtlinien', 'version' => '0.2'],
    ]])->assertCreated()->assertJsonPath('required', []);

    expect(LegalDocumentAcceptance::query()->where('context', 'api')->count())->toBe(2);

    $this->postJson("/api/v1/press-releases/{$pr->id}/submit", ['ai_text_declaration' => 'none'])->assertSuccessful();

    $this->getJson('/api/v1/legal/acceptances')->assertSuccessful()->assertJsonPath('gate_enabled', true)->assertJsonCount(2, 'accepted');
});

/*
 * K-07 / B-13 (Umsetzungsaudit 29.09.2026): Die gezeigten Fassungen sind
 * gesperrt, ein Versionswechsel zwischen Prüfung und Speichern wird nicht
 * still übergangen, und der Rendering-Hook fragt je Request höchstens einmal
 * (bei ausgeschaltetem Gate gar nicht) und wirft nie beim Rendern.
 */
test('the shown versions cannot be changed from the browser', function () {
    /** @var TestCase $this */
    config()->set('legal.acceptance_gate', true);
    ['owner' => $owner, 'pr' => $pr] = legalGateDraft();
    $this->actingAs($owner);

    expect(fn () => LivewireVolt::test('customer.press-releases.show', ['id' => $pr->id])
        ->set('legalAcceptanceVersions', ['agb' => '9.9', 'richtlinien' => '9.9']))
        ->toThrow(CannotUpdateLockedPropertyException::class);
});

test('a version change between validation and saving is rejected instead of silently skipped', function () {
    /** @var TestCase $this */
    config()->set('legal.acceptance_gate', true);
    ['owner' => $owner, 'pr' => $pr] = legalGateDraft();
    $this->actingAs($owner);

    $current = app(LegalAcceptanceGate::class)->requiredFor($owner);
    $newer = LegalDocument::factory()->agb()->make(['version' => '0.7']);
    $submitCalls = null;

    // Anzeige und Validierung sehen 0.6, beim Speichern gilt schon 0.7.
    $this->partialMock(LegalAcceptanceGate::class)
        ->shouldReceive('requiredFor')
        ->andReturnUsing(function () use (&$submitCalls, $current, $newer) {
            if ($submitCalls === null) {
                return $current;
            }

            $submitCalls++;

            return $submitCalls === 1 ? $current : collect([$newer]);
        });

    $component = LivewireVolt::test('customer.press-releases.show', ['id' => $pr->id])
        ->set('aiTextDeclaration', 'none')
        ->set('aiDeclarationConfirmed', true)
        ->set('legalAcceptanceConfirmed', true);

    $submitCalls = 0;

    $component->call('submitForReview')
        ->assertHasErrors(['legalAcceptanceConfirmed']);

    expect(LegalDocumentAcceptance::query()->count())->toBe(0)
        ->and($pr->fresh()->status)->toBe(PressReleaseStatus::Draft);
});

test('with the gate off rendering the submit pages asks nothing about legal documents', function () {
    /** @var TestCase $this */
    ['owner' => $owner, 'pr' => $pr] = legalGateDraft();
    $this->actingAs($owner);

    DB::enableQueryLog();
    LivewireVolt::test('customer.press-releases.show', ['id' => $pr->id])->assertOk();

    expect(collect(DB::getQueryLog())->filter(fn (array $query): bool => str_contains($query['query'], 'legal_document_acceptances')))->toBeEmpty();
});

test('with the gate on a render asks once per request, not once per modal', function () {
    /** @var TestCase $this */
    config()->set('legal.acceptance_gate', true);
    ['owner' => $owner, 'pr' => $pr] = legalGateDraft();
    $this->actingAs($owner);

    DB::enableQueryLog();
    LivewireVolt::test('customer.press-releases.index')->assertOk();

    // Eine Abfrage je Dokumenttyp (AGB, Richtlinien) — nicht zusätzlich je Modal.
    expect(collect(DB::getQueryLog())->filter(fn (array $query): bool => str_contains($query['query'], 'legal_document_acceptances')))->toHaveCount(2);
});

test('a missing required document fails the submit, not the rendering of the page', function () {
    /** @var TestCase $this */
    config()->set('legal.acceptance_gate', true);
    ['owner' => $owner, 'pr' => $pr] = legalGateDraft();
    $this->actingAs($owner);

    LegalDocument::query()->where('type', 'richtlinien')->delete();
    Exceptions::fake();

    LivewireVolt::test('customer.press-releases.show', ['id' => $pr->id])
        ->assertOk()
        ->set('aiTextDeclaration', 'none')
        ->set('aiDeclarationConfirmed', true)
        ->set('legalAcceptanceConfirmed', true)
        ->call('submitForReview')
        ->assertHasErrors(['legalAcceptanceConfirmed']);

    expect($pr->fresh()->status)->toBe(PressReleaseStatus::Draft);
    Exceptions::assertReported(RuntimeException::class);
});