<?php

use App\Livewire\FileUploader;
use App\Livewire\SystemPasswordPrompt;
use App\Models\Setting;
use App\Models\Share;
use App\Services\ShareService;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Facades\Crypt;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Storage;
use Livewire\Livewire;

test('upload page can be rendered', function () {
    $response = $this->get(route('upload'));

    $response->assertOk();
});

test('upload page requires system password when configured', function () {
    Setting::set('system_password', bcrypt('system-secret'));

    $response = $this->get(route('upload'));

    $response->assertRedirect(route('system-password'));
});

test('upload page accessible after system password verified', function () {
    Setting::set('system_password', bcrypt('system-secret'));

    $response = $this->withSession(['system_password_verified' => true])
        ->get(route('upload'));

    $response->assertOk();
});

test('file upload creates share', function () {
    Storage::fake('shares');

    $file = UploadedFile::fake()->create('document.pdf', 1024);

    Livewire::test(FileUploader::class)
        ->set('files', [$file])
        ->call('createShare')
        ->assertRedirectContains('/share/');

    expect(Share::query()->count())->toBe(1);

    $share = Share::query()->first();
    expect($share->files)->toHaveCount(1);
    expect($share->files->first()->original_name)->toBe('document.pdf');
});

test('file upload with password creates password-protected share', function () {
    Storage::fake('shares');

    $file = UploadedFile::fake()->create('secret.txt', 512);

    Livewire::test(FileUploader::class)
        ->set('files', [$file])
        ->set('usePassword', true)
        ->set('password', 'my-password')
        ->call('createShare')
        ->assertRedirectContains('/share/');

    $share = Share::query()->first();
    expect($share->isPasswordProtected())->toBeTrue();
});

test('switching password protection on leaves the field empty and offers a Generate button by default', function () {
    $component = Livewire::test(FileUploader::class)
        ->set('usePassword', true);

    $component->assertSet('password', '')
        ->assertSeeHtml('data-test="generate-password"')
        ->assertSeeHtml('data-test="copy-password"');
});

test('a generated password protects the share and is flashed, encrypted, for the page the upload leads to', function () {
    Storage::fake('shares');

    $component = Livewire::test(FileUploader::class)
        ->set('files', [UploadedFile::fake()->create('secret.txt', 512)])
        ->set('usePassword', true)
        ->call('generatePassword');
    $password = $component->get('password');
    $component->call('createShare');

    $share = Share::query()->first();
    expect($password)->toMatch('/^[A-Za-z0-9]{20}$/');
    expect(app(ShareService::class)->verifyPassword($share, $password))->toBeTrue();
    expect(session('share_password.token'))->toBe($share->token);
    expect(Crypt::decryptString(session('share_password.password')))->toBe($password);
});

test('a share without a password flashes no password', function () {
    Storage::fake('shares');

    Livewire::test(FileUploader::class)
        ->set('files', [UploadedFile::fake()->create('document.pdf', 100)])
        ->call('createShare')
        ->assertRedirectContains('/share/');

    expect(session()->has('share_password'))->toBeFalse();
});

test('a prefilling generator fills in a password as protection is switched on', function () {
    Setting::set('password_generator_mode', 'prefill');

    $component = Livewire::test(FileUploader::class)
        ->set('usePassword', true);

    expect($component->get('password'))->toMatch('/^[A-Za-z0-9]{20}$/');
});

test('a prefilling generator keeps a password the uploader already typed', function () {
    Setting::set('password_generator_mode', 'prefill');

    Livewire::test(FileUploader::class)
        ->set('password', 'my-own-password')
        ->set('usePassword', true)
        ->assertSet('password', 'my-own-password');
});

test('a generator switched off offers no Generate button and generates nothing', function () {
    Setting::set('password_generator_mode', 'off');

    Livewire::test(FileUploader::class)
        ->set('usePassword', true)
        ->assertDontSeeHtml('data-test="generate-password"')
        ->assertSeeHtml('data-test="copy-password"')
        ->call('generatePassword')
        ->assertSet('password', '');
});

test('file upload with expiration sets expires_at', function () {
    Storage::fake('shares');

    $file = UploadedFile::fake()->create('file.txt', 256);

    Livewire::test(FileUploader::class)
        ->set('files', [$file])
        ->set('expiration', '24h')
        ->call('createShare')
        ->assertRedirectContains('/share/');

    $share = Share::query()->first();
    expect($share->expires_at)->not->toBeNull();
});

test('file upload with max downloads sets limit', function () {
    Storage::fake('shares');

    $file = UploadedFile::fake()->create('file.txt', 256);

    Livewire::test(FileUploader::class)
        ->set('files', [$file])
        ->set('maxDownloads', 5)
        ->call('createShare')
        ->assertRedirectContains('/share/');

    $share = Share::query()->first();
    expect($share->max_downloads)->toBe(5);
});

test('every upload batch dispatches files-processed to clear the uploading state', function () {
    Storage::fake('shares');

    Livewire::test(FileUploader::class)
        ->set('files', [UploadedFile::fake()->create('first.txt', 64)])
        ->assertDispatched('files-processed')
        ->set('files', [UploadedFile::fake()->create('second.txt', 64)])
        ->assertDispatched('files-processed');
});

test('files added in multiple batches end up in the same share', function () {
    Storage::fake('shares');

    Livewire::test(FileUploader::class)
        ->set('files', [UploadedFile::fake()->create('first.txt', 64)])
        ->set('files', [UploadedFile::fake()->create('second.txt', 64)])
        ->call('createShare')
        ->assertHasNoErrors()
        ->assertRedirectContains('/share/');

    $share = Share::query()->first();

    expect($share->files->pluck('original_name')->all())->toBe(['first.txt', 'second.txt']);
});

test('files larger than 4 GB can be shared when within the admin file size limit', function () {
    Storage::fake('shares');
    Setting::set('max_file_size', 15000 * 1024 * 1024);
    Setting::set('max_size_per_share', 20 * 1024 * 1024 * 1024);

    Livewire::test(FileUploader::class)
        ->set('files', [UploadedFile::fake()->create('backup.dump', 6 * 1024 * 1024)])
        ->assertHasNoErrors('files')
        ->call('createShare')
        ->assertHasNoErrors()
        ->assertRedirectContains('/share/');

    expect(Share::query()->first()->total_size)->toBe(6 * 1024 * 1024 * 1024);
});

test('a rejected upload logs the real reason instead of blaming the file size limit', function () {
    Log::spy();
    Setting::set('max_file_size', 15000 * 1024 * 1024);

    $errors = ['files.0' => ['The files.0 failed to upload.']];

    $component = Livewire::test(FileUploader::class)
        ->call('_uploadErrored', 'files', json_encode(['errors' => $errors]), true)
        ->assertDispatched('upload:errored');

    expect($component->errors()->first('files'))
        ->toBe('Upload failed: the server could not accept the file. Please try again or contact the administrator.');

    Log::shouldHaveReceived('warning')
        ->withArgs(fn (string $message, array $context): bool => $context['errors'] === $errors)
        ->once();
});

test('file upload requires at least one file', function () {
    Livewire::test(FileUploader::class)
        ->set('files', [])
        ->call('createShare')
        ->assertHasErrors(['files']);
});

test('file upload blocks when storage is full', function () {
    Storage::fake('shares');
    Setting::set('max_storage_quota', 100);
    Share::factory()->create(['total_size' => 100]);

    $file = UploadedFile::fake()->create('file.txt', 1);

    Livewire::test(FileUploader::class)
        ->set('files', [$file])
        ->call('createShare')
        ->assertHasErrors(['files']);
});

test('system password prompt verifies correct password', function () {
    Setting::set('system_password', bcrypt('system-secret'));

    Livewire::test(SystemPasswordPrompt::class)
        ->set('password', 'system-secret')
        ->call('verify')
        ->assertRedirect(route('upload'));
});

test('system password prompt rejects incorrect password', function () {
    Setting::set('system_password', bcrypt('system-secret'));

    Livewire::test(SystemPasswordPrompt::class)
        ->set('password', 'wrong')
        ->call('verify')
        ->assertHasErrors(['password']);
});