<?php

declare(strict_types=1);

namespace Modules\Helpdesk\Http\Controllers;

use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Routing\Controller;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Gate;
use Illuminate\Validation\ValidationException;
use Modules\Helpdesk\Models\Ticket;
use Modules\Helpdesk\Services\TicketService;

final class TicketCommentStoreController extends Controller
{
    /**
     * Store a ticket comment using a normal HTTP POST request.
     */
    public function __invoke(Request $request, Ticket $ticket, TicketService $tickets): RedirectResponse
    {
        Gate::authorize('comment', $ticket);

        $validated = $request->validate([
            'commentBody' => ['required', 'string', 'min:2'],
            'attachments' => ['nullable', 'array'],
            'attachments.*' => [
                'file',
                'max:'.config('helpdesk.max_upload_kb', 10240),
                'mimes:'.implode(',', config('helpdesk.allowed_mimes', ['jpg', 'jpeg', 'png', 'pdf', 'txt', 'log', 'zip'])),
            ],
        ]);

        $user = Auth::user();

        if ($user === null) {
            throw ValidationException::withMessages([
                'commentBody' => 'You must be signed in to comment on this ticket.',
            ]);
        }

        $internal = $request->user()?->can('update', $ticket) === true && $request->boolean('internal');

        $tickets->comment(
            ticket: $ticket,
            user: $user,
            body: (string) $validated['commentBody'],
            internal: $internal,
            files: $request->file('attachments', []),
        );

        return redirect()
            ->route('helpdesk.tickets.show', $ticket)
            ->with('ticket-comment-added', 'Reply posted.');
    }
}