<?php

declare(strict_types=1);

use App\Data\Ticket\CreateTicketRequest;
use App\Enums\TicketStatusEnum;
use App\Models\{ConnectedApp, Role, User};
use App\Notifications\TicketRaisedNotification;
use App\Services\TicketService;
use Database\Seeders\DatabaseSeeder;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Facades\{Notification, Storage};
use Livewire\Livewire;

beforeEach(function (): void {
    $this->seed(DatabaseSeeder::class);
});

test('guests cannot access the tickets page', function (): void {
    $this->get(route('tickets.index'))
        ->assertRedirect(route('login'));
});

test('authenticated users with correct permissions can access the tickets page', function (): void {
    $user = User::factory()->create();
    $user->assignRole('user');
    $this->actingAs($user);

    $this->get(route('tickets.index'))
        ->assertOk()
        ->assertSee('Support Tickets')
        ->assertSee('You do not currently have any active services expiring within 3 days');
});

test('submitting a support ticket creates the ticket and generates a unique ticket ID', function (): void {
    $user = User::factory()->create();
    $user->assignRole('user');
    $this->actingAs($user);

    $app = ConnectedApp::first();
    $supportRole = Role::where('name', 'Support')->firstOrFail();

    $dto = new CreateTicketRequest(
        userId: $user->id,
        connectedAppId: $app->id,
        issueCategory: 'Billing Query',
        description: 'Need assistance with billing renewal.',
        notifiedRoleIds: [$supportRole->id],
        notifiedUserIds: [],
        attachment: null,
    );

    $service = app(TicketService::class);
    $ticketData = $service->create($dto);

    expect($ticketData->ticketId)->toStartWith('TKT-')
        ->and(mb_strlen($ticketData->ticketId))->toBe(12)
        ->and($ticketData->issueCategory)->toBe('Billing Query')
        ->and($ticketData->status->value)->toBe(TicketStatusEnum::Open->value)
        ->and($ticketData->notifiedRoleNames)->toContain('Support');

    $this->assertDatabaseHas('tickets', [
        'user_id' => $user->id,
        'connected_app_id' => $app->id,
        'issue_category' => 'Billing Query',
    ]);

    $this->assertDatabaseHas('ticket_notified_roles', [
        'ticket_id' => $ticketData->id,
        'role_id' => $supportRole->id,
    ]);
});

test('submitting a ticket with category Others requires at least 20 characters for description', function (): void {
    $user = User::factory()->create();
    $user->assignRole('user');
    $this->actingAs($user);

    $supportRole = Role::where('name', 'Support')->firstOrFail();

    // Test Validation Failure via Livewire component form object
    Livewire::test('pages::tickets.index')
        ->set('form.issueCategory', 'Others')
        ->set('form.description', 'Short desc')
        ->set('form.routingType', 'role')
        ->set('form.notifiedRoleIds', [$supportRole->id])
        ->call('saveTicket')
        ->assertHasErrors(['form.description' => 'min']);
});

test('attaching a file for Others category uploads and stores the file', function (): void {
    Storage::fake('public');

    $user = User::factory()->create();
    $user->assignRole('user');
    $this->actingAs($user);

    $supportRole = Role::where('name', 'Support')->firstOrFail();
    $file = UploadedFile::fake()->create('screenshot.png', 500);

    $dto = new CreateTicketRequest(
        userId: $user->id,
        connectedAppId: null,
        issueCategory: 'Others',
        description: 'A very detailed query containing more than twenty characters.',
        notifiedRoleIds: [$supportRole->id],
        notifiedUserIds: [],
        attachment: $file,
    );

    $service = app(TicketService::class);
    $ticketData = $service->create($dto);

    $this->assertDatabaseHas('ticket_attachments', [
        'file_name' => 'screenshot.png',
        'mime_type' => 'image/png',
    ]);

    expect(count($ticketData->attachments))->toBe(1);
    Storage::disk('public')->assertExists($ticketData->attachments[0]['file_path']);
});

test('notification routing to a specific user triggers notification to that user', function (): void {
    Notification::fake();

    $user = User::factory()->create();
    $user->assignRole('user');
    $this->actingAs($user);

    $adminUser = User::where('email', 'admin@example.com')->firstOrFail();

    $dto = new CreateTicketRequest(
        userId: $user->id,
        connectedAppId: null,
        issueCategory: 'Technical Issue',
        description: 'SSO log-in error.',
        notifiedRoleIds: [],
        notifiedUserIds: [$adminUser->id],
        attachment: null,
    );

    $service = app(TicketService::class);
    $service->create($dto);

    Notification::assertSentTo(
        $adminUser,
        TicketRaisedNotification::class
    );
});

test('notification routing to multiple roles triggers notifications to all users assigned to those roles', function (): void {
    Notification::fake();

    $user = User::factory()->create();
    $user->assignRole('user');
    $this->actingAs($user);

    $supportRole = Role::where('name', 'Support')->firstOrFail();
    $managerRole = Role::where('name', 'Manager')->firstOrFail();

    // Create a support user
    $supportUser = User::factory()->create();
    $supportUser->assignRole($supportRole);

    // Create a manager user
    $managerUser = User::factory()->create();
    $managerUser->assignRole($managerRole);

    $dto = new CreateTicketRequest(
        userId: $user->id,
        connectedAppId: null,
        issueCategory: 'Service Extension',
        description: 'Requesting 3 days trial extension.',
        notifiedRoleIds: [$supportRole->id, $managerRole->id],
        notifiedUserIds: [],
        attachment: null,
    );

    $service = app(TicketService::class);
    $service->create($dto);

    Notification::assertSentTo(
        [$supportUser, $managerUser],
        TicketRaisedNotification::class
    );
});

test('admins can assign users to tickets and trigger assignment notifications', function (): void {
    Notification::fake();

    $admin = User::where('email', 'admin@example.com')->firstOrFail();
    $this->actingAs($admin);

    $user = User::factory()->create();
    $user->assignRole('user');

    $ticket = App\Models\Ticket::create([
        'user_id' => $user->id,
        'issue_category' => 'Billing Query',
        'status_id' => App\Models\TicketStatus::where('name', 'open')->firstOrFail()->id,
    ]);

    $supportUser = User::factory()->create();
    $supportUser->assignRole('Support');

    $service = app(TicketService::class);
    $service->assignUser($ticket->id, $supportUser->id);

    $this->assertDatabaseHas('tickets', [
        'id' => $ticket->id,
        'assigned_user_id' => $supportUser->id,
    ]);

    Notification::assertSentTo(
        $supportUser,
        App\Notifications\TicketAssignedNotification::class
    );
});

test('authorized users can comment on tickets and unauthorized users are blocked', function (): void {
    $creator = User::factory()->create();
    $creator->assignRole('user');

    $unauthorizedUser = User::factory()->create();
    $unauthorizedUser->assignRole('user');

    $ticket = App\Models\Ticket::create([
        'user_id' => $creator->id,
        'issue_category' => 'Technical Issue',
        'status_id' => App\Models\TicketStatus::where('name', 'open')->firstOrFail()->id,
    ]);

    $service = app(TicketService::class);

    // 1. Authorized user (Creator) can comment
    $dto = new App\Data\Ticket\PostReplyRequest(
        ticketId: $ticket->id,
        userId: $creator->id,
        message: 'This is a comment from the creator.',
    );
    $replyData = $service->postReply($dto);

    expect($replyData->message)->toBe('This is a comment from the creator.');

    $this->assertDatabaseHas('ticket_replies', [
        'ticket_id' => $ticket->id,
        'user_id' => $creator->id,
        'message' => 'This is a comment from the creator.',
    ]);

    // 2. Unauthorized user gets blocked
    $dto2 = new App\Data\Ticket\PostReplyRequest(
        ticketId: $ticket->id,
        userId: $unauthorizedUser->id,
        message: 'Should be blocked.',
    );

    expect(fn () => $service->postReply($dto2))
        ->toThrow(Illuminate\Auth\Access\AuthorizationException::class);
});

test('posting a comment transitions the status from open to in-progress', function (): void {
    $creator = User::factory()->create();
    $creator->assignRole('user');

    $openStatus = App\Models\TicketStatus::where('name', 'open')->firstOrFail();
    $inProgressStatus = App\Models\TicketStatus::where('name', 'in-progress')->firstOrFail();

    $ticket = App\Models\Ticket::create([
        'user_id' => $creator->id,
        'issue_category' => 'Service Extension',
        'status_id' => $openStatus->id,
    ]);

    $service = app(TicketService::class);

    $dto = new App\Data\Ticket\PostReplyRequest(
        ticketId: $ticket->id,
        userId: $creator->id,
        message: 'Transition this status.',
    );

    $service->postReply($dto);

    $this->assertDatabaseHas('tickets', [
        'id' => $ticket->id,
        'status_id' => $inProgressStatus->id,
    ]);
});

test('assigned support users can see their assigned tickets on their dashboard', function (): void {
    $creator = User::factory()->create();
    $creator->assignRole('user');

    $supportUser = User::factory()->create();
    $supportUser->assignRole('Support');

    $openStatus = App\Models\TicketStatus::where('name', 'open')->firstOrFail();

    $ticket = App\Models\Ticket::create([
        'user_id' => $creator->id,
        'issue_category' => 'Technical Issue',
        'status_id' => $openStatus->id,
        'assigned_user_id' => $supportUser->id,
    ]);

    $service = app(TicketService::class);
    $tickets = $service->getListForUser($supportUser->id);

    expect(collect($tickets->all())->contains('id', $ticket->id))->toBeTrue();
});

test('commenting on a ticket notifies the creator and assigned user', function (): void {
    Notification::fake();

    $creator = User::factory()->create();
    $creator->assignRole('user');

    $supportUser = User::factory()->create();
    $supportUser->assignRole('Support');

    $openStatus = App\Models\TicketStatus::where('name', 'open')->firstOrFail();

    $ticket = App\Models\Ticket::create([
        'user_id' => $creator->id,
        'issue_category' => 'Billing Query',
        'status_id' => $openStatus->id,
        'assigned_user_id' => $supportUser->id,
    ]);

    // Another admin comments
    $admin = User::where('email', 'admin@example.com')->firstOrFail();

    $dto = new App\Data\Ticket\PostReplyRequest(
        ticketId: $ticket->id,
        userId: $admin->id,
        message: 'This is an admin comment.',
    );

    $service = app(TicketService::class);
    $service->postReply($dto);

    // Both the creator and the support assignee should be notified of the comment
    Notification::assertSentTo(
        $creator,
        App\Notifications\TicketCommentedNotification::class
    );

    Notification::assertSentTo(
        $supportUser,
        App\Notifications\TicketCommentedNotification::class
    );

    // Commenter (admin) should not get notified
    Notification::assertNotSentTo(
        $admin,
        App\Notifications\TicketCommentedNotification::class
    );
});

test('raising a support ticket always triggers a notification to all administrators', function (): void {
    Notification::fake();

    $user = User::factory()->create();
    $user->assignRole('user');
    $this->actingAs($user);

    $admin = User::where('email', 'admin@example.com')->firstOrFail();

    $dto = new CreateTicketRequest(
        userId: $user->id,
        connectedAppId: null,
        issueCategory: 'Technical Issue',
        description: 'SSO log-in error.',
        notifiedRoleIds: [],
        notifiedUserIds: [],
        attachment: null,
    );

    $service = app(TicketService::class);
    $service->create($dto);

    // Administrator should be notified of the new ticket
    Notification::assertSentTo(
        $admin,
        TicketRaisedNotification::class
    );
});