<?php

use App\Models\AdminLog;
use App\Models\Timeline;
use App\Models\TimelineUpdate;
use App\Models\User;
use App\Notifications\TimelineUpdateNotification;
use Illuminate\Support\Facades\Notification;
use Livewire\Volt\Volt;

beforeEach(function () {
    $this->admin = User::factory()->admin()->create();
    $this->client = User::factory()->individual()->create();
    $this->timeline = Timeline::factory()->create(['user_id' => $this->client->id]);
});

// ===========================================
// View & Access Tests
// ===========================================

test('admin can view timeline show page', function () {
    $this->actingAs($this->admin)
        ->get(route('admin.timelines.show', $this->timeline))
        ->assertOk();
});

test('admin can view timeline with updates', function () {
    $update = TimelineUpdate::factory()->create([
        'timeline_id' => $this->timeline->id,
        'admin_id' => $this->admin->id,
        'update_text' => 'First update text here',
    ]);

    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->assertSee('First update text here')
        ->assertSee($this->admin->full_name);
});

test('non-admin cannot access timeline show page', function () {
    $this->actingAs($this->client)
        ->get(route('admin.timelines.show', $this->timeline))
        ->assertForbidden();
});

test('guest cannot access timeline show page', function () {
    $this->get(route('admin.timelines.show', $this->timeline))
        ->assertRedirect(route('login'));
});

// ===========================================
// Add Update Tests
// ===========================================

test('admin can add update with valid text', function () {
    Notification::fake();

    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->set('updateText', 'This is a valid update text with enough characters.')
        ->call('addUpdate')
        ->assertHasNoErrors();

    expect(TimelineUpdate::where('timeline_id', $this->timeline->id)->count())->toBe(1);

    $update = TimelineUpdate::where('timeline_id', $this->timeline->id)->first();
    expect($update->update_text)->toContain('This is a valid update text with enough characters.');
    expect($update->admin_id)->toBe($this->admin->id);
});

test('admin can add update with minimum 10 characters', function () {
    Notification::fake();

    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->set('updateText', '1234567890')
        ->call('addUpdate')
        ->assertHasNoErrors();

    expect(TimelineUpdate::where('timeline_id', $this->timeline->id)->exists())->toBeTrue();
});

test('cannot add update with empty text', function () {
    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->set('updateText', '')
        ->call('addUpdate')
        ->assertHasErrors(['updateText' => 'required']);
});

test('cannot add update with less than 10 characters', function () {
    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->set('updateText', 'short')
        ->call('addUpdate')
        ->assertHasErrors(['updateText' => 'min']);
});

test('admin name is automatically recorded when adding update', function () {
    Notification::fake();

    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->set('updateText', 'This is a valid update text.')
        ->call('addUpdate')
        ->assertHasNoErrors();

    $update = TimelineUpdate::where('timeline_id', $this->timeline->id)->first();
    expect($update->admin_id)->toBe($this->admin->id);
    expect($update->admin->id)->toBe($this->admin->id);
});

test('timestamp is automatically recorded when adding update', function () {
    Notification::fake();

    $this->actingAs($this->admin);

    $beforeTime = now()->subSecond();

    Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->set('updateText', 'This is a valid update text.')
        ->call('addUpdate')
        ->assertHasNoErrors();

    $update = TimelineUpdate::where('timeline_id', $this->timeline->id)->first();
    expect($update->created_at)->not->toBeNull();
    expect($update->created_at->isAfter($beforeTime))->toBeTrue();
});

test('update text is cleared after adding update', function () {
    Notification::fake();

    $this->actingAs($this->admin);

    $component = Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->set('updateText', 'This is a valid update text.')
        ->call('addUpdate')
        ->assertHasNoErrors();

    expect($component->get('updateText'))->toBe('');
});

// ===========================================
// Edit Update Tests
// ===========================================

test('admin can edit existing update', function () {
    Notification::fake();

    $update = TimelineUpdate::factory()->create([
        'timeline_id' => $this->timeline->id,
        'admin_id' => $this->admin->id,
        'update_text' => 'Original text here.',
    ]);

    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->call('editUpdate', $update->id)
        ->set('updateText', 'Updated text with new content.')
        ->call('saveEdit')
        ->assertHasNoErrors();

    $update->refresh();
    expect($update->update_text)->toContain('Updated text with new content.');
});

test('edit preserves original created_at timestamp', function () {
    Notification::fake();

    $update = TimelineUpdate::factory()->create([
        'timeline_id' => $this->timeline->id,
        'admin_id' => $this->admin->id,
        'update_text' => 'Original text here.',
    ]);

    $originalCreatedAt = $update->created_at->toDateTimeString();

    $this->actingAs($this->admin);

    // Wait a moment to ensure time difference
    sleep(1);

    Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->call('editUpdate', $update->id)
        ->set('updateText', 'Updated text with new content.')
        ->call('saveEdit')
        ->assertHasNoErrors();

    $update->refresh();
    expect($update->created_at->toDateTimeString())->toBe($originalCreatedAt);
});

test('edit updates the updated_at timestamp', function () {
    Notification::fake();

    $update = TimelineUpdate::factory()->create([
        'timeline_id' => $this->timeline->id,
        'admin_id' => $this->admin->id,
        'update_text' => 'Original text here.',
    ]);

    $originalUpdatedAt = $update->updated_at;

    $this->actingAs($this->admin);

    // Wait a moment to ensure time difference
    sleep(1);

    Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->call('editUpdate', $update->id)
        ->set('updateText', 'Updated text with new content.')
        ->call('saveEdit')
        ->assertHasNoErrors();

    $update->refresh();
    expect($update->updated_at->gt($originalUpdatedAt))->toBeTrue();
});

test('cannot change admin on edit', function () {
    Notification::fake();

    $otherAdmin = User::factory()->admin()->create();

    $update = TimelineUpdate::factory()->create([
        'timeline_id' => $this->timeline->id,
        'admin_id' => $otherAdmin->id,
        'update_text' => 'Original text here.',
    ]);

    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->call('editUpdate', $update->id)
        ->set('updateText', 'Updated text with new content.')
        ->call('saveEdit')
        ->assertHasNoErrors();

    $update->refresh();
    expect($update->admin_id)->toBe($otherAdmin->id);
});

test('cancel edit clears form', function () {
    $update = TimelineUpdate::factory()->create([
        'timeline_id' => $this->timeline->id,
        'admin_id' => $this->admin->id,
        'update_text' => 'Original text here.',
    ]);

    $this->actingAs($this->admin);

    $component = Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->call('editUpdate', $update->id)
        ->call('cancelEdit');

    expect($component->get('editingUpdateId'))->toBeNull();
    expect($component->get('updateText'))->toBe('');
});

test('edit update loads text into form', function () {
    $update = TimelineUpdate::factory()->create([
        'timeline_id' => $this->timeline->id,
        'admin_id' => $this->admin->id,
        'update_text' => 'Original text here.',
    ]);

    $this->actingAs($this->admin);

    $component = Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->call('editUpdate', $update->id);

    expect($component->get('editingUpdateId'))->toBe($update->id);
    expect($component->get('updateText'))->toBe('Original text here.');
});

// ===========================================
// HTML Sanitization Tests
// ===========================================

test('html is sanitized when adding update', function () {
    Notification::fake();

    $this->actingAs($this->admin);

    $maliciousText = '<script>alert("xss")</script>Valid update text here.';

    Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->set('updateText', $maliciousText)
        ->call('addUpdate')
        ->assertHasNoErrors();

    $update = TimelineUpdate::where('timeline_id', $this->timeline->id)->first();
    expect($update->update_text)->not->toContain('<script>');
    expect($update->update_text)->toContain('Valid update text here.');
});

test('html is sanitized when editing update', function () {
    Notification::fake();

    $update = TimelineUpdate::factory()->create([
        'timeline_id' => $this->timeline->id,
        'admin_id' => $this->admin->id,
        'update_text' => 'Original text here.',
    ]);

    $this->actingAs($this->admin);

    $maliciousText = '<script>alert("xss")</script>Updated safe text.';

    Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->call('editUpdate', $update->id)
        ->set('updateText', $maliciousText)
        ->call('saveEdit')
        ->assertHasNoErrors();

    $update->refresh();
    expect($update->update_text)->not->toContain('<script>');
    expect($update->update_text)->toContain('Updated safe text.');
});

test('allowed html tags are preserved', function () {
    Notification::fake();

    $this->actingAs($this->admin);

    $validHtml = '<strong>Bold text</strong> and <em>italic text</em> and <a href="https://example.com">a link</a>';

    Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->set('updateText', $validHtml)
        ->call('addUpdate')
        ->assertHasNoErrors();

    $update = TimelineUpdate::where('timeline_id', $this->timeline->id)->first();
    expect($update->update_text)->toContain('<strong>');
    expect($update->update_text)->toContain('<em>');
    expect($update->update_text)->toContain('<a href=');
});

// ===========================================
// Notification Tests
// ===========================================

test('client receives notification when update is added', function () {
    Notification::fake();

    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->set('updateText', 'This is a valid update text.')
        ->call('addUpdate')
        ->assertHasNoErrors();

    Notification::assertSentTo(
        $this->client,
        TimelineUpdateNotification::class
    );
});

test('notification contains correct update data', function () {
    Notification::fake();

    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->set('updateText', 'This is the notification test update.')
        ->call('addUpdate')
        ->assertHasNoErrors();

    Notification::assertSentTo(
        $this->client,
        TimelineUpdateNotification::class,
        function ($notification) {
            return str_contains($notification->update->update_text, 'This is the notification test update.');
        }
    );
});

test('deactivated user does not receive notification when update is added', function () {
    Notification::fake();

    $deactivatedClient = User::factory()->individual()->deactivated()->create();
    $timeline = Timeline::factory()->create(['user_id' => $deactivatedClient->id]);

    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $timeline])
        ->set('updateText', 'This is a valid update text.')
        ->call('addUpdate')
        ->assertHasNoErrors();

    Notification::assertNotSentTo($deactivatedClient, TimelineUpdateNotification::class);
});

test('notification uses arabic subject for arabic-preferred user', function () {
    Notification::fake();

    $arabicClient = User::factory()->individual()->create(['preferred_language' => 'ar']);
    $timeline = Timeline::factory()->create([
        'user_id' => $arabicClient->id,
        'case_name' => 'Test Case Name',
    ]);

    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $timeline])
        ->set('updateText', 'This is a valid update text.')
        ->call('addUpdate')
        ->assertHasNoErrors();

    Notification::assertSentTo(
        $arabicClient,
        TimelineUpdateNotification::class,
        function ($notification, $channels, $notifiable) {
            $mail = $notification->toMail($notifiable);

            return str_contains($mail->subject, 'تحديث جديد على قضيتك')
                && str_contains($mail->subject, 'Test Case Name');
        }
    );
});

test('notification uses english subject for english-preferred user', function () {
    Notification::fake();

    $englishClient = User::factory()->individual()->create(['preferred_language' => 'en']);
    $timeline = Timeline::factory()->create([
        'user_id' => $englishClient->id,
        'case_name' => 'Test Case Name',
    ]);

    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $timeline])
        ->set('updateText', 'This is a valid update text.')
        ->call('addUpdate')
        ->assertHasNoErrors();

    Notification::assertSentTo(
        $englishClient,
        TimelineUpdateNotification::class,
        function ($notification, $channels, $notifiable) {
            $mail = $notification->toMail($notifiable);

            return str_contains($mail->subject, 'New update on your case')
                && str_contains($mail->subject, 'Test Case Name');
        }
    );
});

test('notification defaults to arabic when preferred language is ar', function () {
    Notification::fake();

    $arabicClient = User::factory()->individual()->create(['preferred_language' => 'ar']);
    $timeline = Timeline::factory()->create([
        'user_id' => $arabicClient->id,
        'case_name' => 'Default Arabic Case',
    ]);

    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $timeline])
        ->set('updateText', 'This is a valid update text.')
        ->call('addUpdate')
        ->assertHasNoErrors();

    Notification::assertSentTo(
        $arabicClient,
        TimelineUpdateNotification::class,
        function ($notification, $channels, $notifiable) {
            $mail = $notification->toMail($notifiable);

            return str_contains($mail->subject, 'تحديث جديد على قضيتك');
        }
    );
});

test('notification is queued for performance', function () {
    expect(TimelineUpdateNotification::class)
        ->toImplement(\Illuminate\Contracts\Queue\ShouldQueue::class);
});

test('notification uses correct markdown template for arabic user', function () {
    Notification::fake();

    $arabicClient = User::factory()->individual()->create(['preferred_language' => 'ar']);
    $timeline = Timeline::factory()->create(['user_id' => $arabicClient->id]);

    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $timeline])
        ->set('updateText', 'This is a valid update text.')
        ->call('addUpdate')
        ->assertHasNoErrors();

    Notification::assertSentTo(
        $arabicClient,
        TimelineUpdateNotification::class,
        function ($notification, $channels, $notifiable) {
            $mail = $notification->toMail($notifiable);

            return $mail->markdown === 'emails.timeline.update.ar';
        }
    );
});

test('notification uses correct markdown template for english user', function () {
    Notification::fake();

    $englishClient = User::factory()->individual()->create(['preferred_language' => 'en']);
    $timeline = Timeline::factory()->create(['user_id' => $englishClient->id]);

    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $timeline])
        ->set('updateText', 'This is a valid update text.')
        ->call('addUpdate')
        ->assertHasNoErrors();

    Notification::assertSentTo(
        $englishClient,
        TimelineUpdateNotification::class,
        function ($notification, $channels, $notifiable) {
            $mail = $notification->toMail($notifiable);

            return $mail->markdown === 'emails.timeline.update.en';
        }
    );
});

// ===========================================
// Audit Log Tests
// ===========================================

test('audit log created when update is added', function () {
    Notification::fake();

    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->set('updateText', 'This is a valid update text.')
        ->call('addUpdate')
        ->assertHasNoErrors();

    expect(AdminLog::where('action', 'create')
        ->where('target_type', 'timeline_update')
        ->where('admin_id', $this->admin->id)
        ->exists())->toBeTrue();
});

test('audit log created when update is edited', function () {
    Notification::fake();

    $update = TimelineUpdate::factory()->create([
        'timeline_id' => $this->timeline->id,
        'admin_id' => $this->admin->id,
        'update_text' => 'Original text here.',
    ]);

    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->call('editUpdate', $update->id)
        ->set('updateText', 'Updated text content here.')
        ->call('saveEdit')
        ->assertHasNoErrors();

    expect(AdminLog::where('action', 'update')
        ->where('target_type', 'timeline_update')
        ->where('target_id', $update->id)
        ->where('admin_id', $this->admin->id)
        ->exists())->toBeTrue();
});

test('audit log contains old and new values when editing', function () {
    Notification::fake();

    $update = TimelineUpdate::factory()->create([
        'timeline_id' => $this->timeline->id,
        'admin_id' => $this->admin->id,
        'update_text' => 'Original text here.',
    ]);

    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->call('editUpdate', $update->id)
        ->set('updateText', 'Updated text content here.')
        ->call('saveEdit')
        ->assertHasNoErrors();

    $log = AdminLog::where('action', 'update')
        ->where('target_type', 'timeline_update')
        ->where('target_id', $update->id)
        ->first();

    expect($log->old_values)->toHaveKey('update_text');
    expect($log->old_values['update_text'])->toBe('Original text here.');
    expect($log->new_values)->toHaveKey('update_text');
});

// ===========================================
// Display Order Tests
// ===========================================

test('updates display in chronological order oldest first', function () {
    $oldUpdate = TimelineUpdate::factory()->create([
        'timeline_id' => $this->timeline->id,
        'admin_id' => $this->admin->id,
        'update_text' => 'First update - oldest.',
        'created_at' => now()->subDays(3),
    ]);

    $newUpdate = TimelineUpdate::factory()->create([
        'timeline_id' => $this->timeline->id,
        'admin_id' => $this->admin->id,
        'update_text' => 'Second update - newest.',
        'created_at' => now(),
    ]);

    $this->actingAs($this->admin);

    $this->timeline->refresh();
    $updates = $this->timeline->updates;

    expect($updates->first()->id)->toBe($oldUpdate->id);
    expect($updates->last()->id)->toBe($newUpdate->id);
});

test('timeline model orders updates chronologically', function () {
    TimelineUpdate::factory()->create([
        'timeline_id' => $this->timeline->id,
        'admin_id' => $this->admin->id,
        'update_text' => 'Middle update.',
        'created_at' => now()->subDay(),
    ]);

    TimelineUpdate::factory()->create([
        'timeline_id' => $this->timeline->id,
        'admin_id' => $this->admin->id,
        'update_text' => 'Oldest update.',
        'created_at' => now()->subDays(5),
    ]);

    TimelineUpdate::factory()->create([
        'timeline_id' => $this->timeline->id,
        'admin_id' => $this->admin->id,
        'update_text' => 'Newest update.',
        'created_at' => now(),
    ]);

    $updates = $this->timeline->updates;

    expect($updates[0]->update_text)->toBe('Oldest update.');
    expect($updates[1]->update_text)->toBe('Middle update.');
    expect($updates[2]->update_text)->toBe('Newest update.');
});

// ===========================================
// Timeline Header Display Tests
// ===========================================

test('timeline show page displays case name', function () {
    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->assertSee($this->timeline->case_name);
});

test('timeline show page displays case reference if present', function () {
    $timeline = Timeline::factory()->create([
        'user_id' => $this->client->id,
        'case_reference' => 'REF-12345',
    ]);

    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $timeline])
        ->assertSee('REF-12345');
});

test('timeline show page displays client info', function () {
    $this->actingAs($this->admin);

    Volt::test('admin.timelines.show', ['timeline' => $this->timeline])
        ->assertSee($this->client->full_name)
        ->assertSee($this->client->email);
});