<?php

use App\Enums\ChangelogCategory;
use App\Enums\ChangelogStatus;
use App\Models\ChangelogEntry;
use App\Models\User;
use App\Services\Changelog\ChangelogCollector;
use App\Services\Changelog\ChangelogTimeline;
use Database\Seeders\RolesAndPermissionsSeeder;
use Illuminate\Support\Facades\File;
use Illuminate\Support\Facades\Process;
use Livewire\Livewire;
use Tests\TestCase;

/**
 * Changelog (Decision-Update Changelog, Stufen 1–3): Entwürfe aus den
 * Commit-Zeilen beim Deploy, Freigabe im Admin, öffentliche Seite mit RSS.
 */

/**
 * Kleines Git-Repository mit einem Tag am Anfang und einem am Ende.
 *
 * @param  list<string>  $messages
 */
function changelogRepository(array $messages): string
{
    $path = sys_get_temp_dir().'/changelog-test-'.uniqid();
    File::ensureDirectoryExists($path);
    $git = fn (array $command) => Process::path($path)->run(['git', '-c', 'user.name=Test', '-c', 'user.email=test@example.org', ...$command])->throw();

    $git(['init', '--quiet']);
    $git(['commit', '--allow-empty', '--quiet', '-m', 'start']);
    $git(['tag', 'v0.1.0']);

    foreach ($messages as $message) {
        $git(['commit', '--allow-empty', '--quiet', '-m', $message]);
    }

    $git(['tag', 'v0.2.0']);

    return $path;
}

// ---------------------------------------------------------- Stufe 1 und 2

test('the commit lines are read from anywhere in the message, not only from the trailer block', function () {
    /** @var TestCase $this */
    $parsed = ChangelogCollector::parse("web: Kasten\n\nText.\n\nChangelog: Verbessert\nPublic: Auf jeder Newsroom-Seite\nführt ein Kasten zum Zugang.\n\nCo-Authored-By: X <x@example.org>");

    expect($parsed['category'])->toBe(ChangelogCategory::Improved)
        ->and($parsed['public'])->toBe('Auf jeder Newsroom-Seite führt ein Kasten zum Zugang.')
        ->and(ChangelogCollector::parse("dev: intern\n\nNur Doku."))->toBeNull()
        ->and(ChangelogCollector::parse("x: y\n\nChangelog: Irgendwas"))->toBeNull()
        ->and(ChangelogCollector::suggestionFrom('web(newsroom): Newsroom-Seite mit Kasten'))->toBe('Newsroom-Seite mit Kasten.');
});

test('a deploy collects drafts: internal commits stay out, security becomes one line, missing public sentences are marked', function () {
    /** @var TestCase $this */
    $repository = changelogRepository([
        "web: Newsroom-Kasten\n\nChangelog: Neu\nPublic: Jede Newsroom-Seite hat einen Kasten zum Verwalten.",
        'dev: Roadmap gepflegt',
        "web: Firmenseite verlinkt den Newsroom\n\nChangelog: Verbessert",
        "fix(auth): Session nach Passwortwechsel beenden\n\nChangelog: Behoben\nPublic: Nach dem Passwortwechsel ist man abgemeldet.",
        "security: Header gesetzt\n\nChangelog: Sicherheit",
    ]);

    $collector = new ChangelogCollector($repository);
    $result = $collector->collect('v0.1.0', 'v0.2.0');

    expect($result['created'])->toBe(3)
        ->and($result['internal'])->toBe(1);

    $entries = ChangelogEntry::query()->orderBy('id')->get();
    expect($entries->pluck('status')->unique()->all())->toBe([ChangelogStatus::Draft])
        ->and($entries[0]->text)->toBe('Jede Newsroom-Seite hat einen Kasten zum Verwalten.')
        ->and($entries[1]->text)->toBe('Firmenseite verlinkt den Newsroom.')
        ->and($entries[1]->review_note)->toContain('Kein Public-Satz')
        // „Session“ im Titel, Rubrik Behoben → Sicherheit, ohne Beschreibung.
        ->and($entries->where('category', ChangelogCategory::Security))->toHaveCount(1)
        ->and($entries[2]->text)->toBe(ChangelogCategory::SECURITY_LINE)
        ->and($entries[2]->release_tag)->toBe('v0.2.0');

    // Ein zweiter Lauf (Deploy wiederholt) legt nichts doppelt an.
    expect($collector->collect('v0.1.0', 'v0.2.0')['created'])->toBe(0)
        ->and(ChangelogEntry::query()->count())->toBe(3);

    File::deleteDirectory($repository);
});

test('an unknown tag fails loudly instead of collecting nothing', function () {
    /** @var TestCase $this */
    $repository = changelogRepository([]);

    expect(fn () => (new ChangelogCollector($repository))->collect('v9.9.9', 'v0.2.0'))->toThrow(RuntimeException::class);

    File::deleteDirectory($repository);
});

test('the backfill adds the entries since the relaunch as drafts, once', function () {
    /** @var TestCase $this */
    $this->artisan('changelog:backfill')->assertSuccessful();
    $count = ChangelogEntry::query()->count();

    $this->artisan('changelog:backfill')->assertSuccessful();

    expect($count)->toBeGreaterThan(10)
        ->and(ChangelogEntry::query()->count())->toBe($count)
        ->and(ChangelogEntry::query()->where('status', '!=', ChangelogStatus::Draft->value)->exists())->toBeFalse();
});

// -------------------------------------------------------- Öffentliche Seite

test('the public changelog shows only published entries and security once per day', function () {
    /** @var TestCase $this */
    ChangelogEntry::factory()->published()->create(['released_on' => '2026-10-13', 'text' => 'Gebuchte Platzierungen sind gekennzeichnet.']);
    ChangelogEntry::factory()->create(['released_on' => '2026-10-13', 'text' => 'Noch nicht freigegeben.']);
    ChangelogEntry::factory()->published()->category(ChangelogCategory::Security)->count(2)->create(['released_on' => '2026-10-08', 'text' => 'Details zur Lücke']);

    $response = $this->get('https://pressekonto.test/changelog')
        ->assertOk()
        ->assertSeeText('Was ist neu')
        ->assertSeeText('Gebuchte Platzierungen sind gekennzeichnet.')
        ->assertDontSeeText('Noch nicht freigegeben.')
        ->assertDontSeeText('Details zur Lücke')
        ->assertSee('/changelog/feed', false);

    expect(substr_count($response->getContent(), ChangelogCategory::SECURITY_LINE))->toBe(1);
});

test('the changelog belongs to the hub and the feed is rss', function () {
    /** @var TestCase $this */
    ChangelogEntry::factory()->published()->create(['text' => 'Rechnungen kommen per E-Mail.']);

    $this->get('https://presseecho.test/changelog')->assertRedirect('https://pressekonto.test/changelog');

    $this->get('https://pressekonto.test/changelog/feed')
        ->assertOk()
        ->assertHeader('Content-Type', 'application/rss+xml; charset=UTF-8')
        ->assertSee('<rss version="2.0"', false)
        ->assertSee('Rechnungen kommen per E-Mail.', false);
});

test('the new hint shows only with a recent published entry', function () {
    /** @var TestCase $this */
    $timeline = app(ChangelogTimeline::class);
    ChangelogEntry::factory()->published()->create(['released_on' => now()->subDays(30)->toDateString()]);
    expect($timeline->hasRecent())->toBeFalse();

    ChangelogEntry::factory()->published()->create(['released_on' => now()->subDays(2)->toDateString()]);
    expect($timeline->hasRecent())->toBeTrue();
});

// ------------------------------------------------------------- Admin

test('admins review, edit and publish drafts', function () {
    /** @var TestCase $this */
    $this->seed(RolesAndPermissionsSeeder::class);
    $admin = User::factory()->create(['is_active' => true]);
    $admin->assignRole('admin');
    $draft = ChangelogEntry::factory()->create(['released_on' => '2026-10-14', 'text' => 'Erster Entwurf des Satzes.']);
    $other = ChangelogEntry::factory()->create(['released_on' => '2026-10-14']);

    $this->actingAs($admin)->get(route('admin.changelog.index'))->assertOk()->assertSeeText('Erster Entwurf des Satzes.');

    Livewire::test('admin.changelog.index')
        ->call('edit', $draft->id)
        ->set('editText', 'Kurz')
        ->call('saveEdit')
        ->assertHasErrors('editText')
        ->set('editText', 'Die Firmenseite verlinkt den Newsroom.')
        ->set('editCategory', ChangelogCategory::New->value)
        ->call('saveEdit')
        ->assertHasNoErrors()
        ->call('publish', $draft->id)
        ->call('discard', $other->id);

    $draft->refresh();
    expect($draft->text)->toBe('Die Firmenseite verlinkt den Newsroom.')
        ->and($draft->category)->toBe(ChangelogCategory::New)
        ->and($draft->status)->toBe(ChangelogStatus::Published)
        ->and($draft->published_at)->not->toBeNull()
        ->and($draft->reviewed_by_user_id)->toBe($admin->id)
        ->and($other->fresh()->status)->toBe(ChangelogStatus::Discarded);

    Livewire::test('admin.changelog.index')->call('restore', $other->id)->call('publishDay', '2026-10-14');
    expect($other->fresh()->status)->toBe(ChangelogStatus::Published);
});

test('editors without settings permission cannot open the changelog admin', function () {
    /** @var TestCase $this */
    $this->seed(RolesAndPermissionsSeeder::class);
    $editor = User::factory()->create(['is_active' => true]);
    $editor->assignRole('editor');

    $this->actingAs($editor)->get(route('admin.changelog.index'))->assertForbidden();
});