<?php

namespace App\Livewire;

use App\Models\User;
use App\Notifications\AccountUpdate;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Notification;
use Livewire\Attributes\Locked;
use Livewire\Component;

class SupportDesk extends Component
{
    public function boot(): void
    {
        abort_unless(auth()->check() && auth()->user()->hasVerifiedEmail(), 403);
        if (auth()->user()->is_admin) {
            abort_unless(auth()->user()->two_factor_confirmed_at, 403);
        }
    }

    public string $subject = '';

    public string $body = '';

    public string $reply = '';

    #[Locked]
    public ?int $ticketId = null;

    private function ticket()
    {
        $ticket = DB::table('tickets')->find($this->ticketId);
        abort_unless($ticket && (auth()->user()->is_admin || $ticket->user_id === auth()->id()), 403);

        return $ticket;
    }

    public function select(int $id): void
    {
        $this->ticketId = $id;
        $this->ticket();
    }

    public function create(): void
    {
        $this->validate(['subject' => 'required|string|max:200', 'body' => 'required|string|min:10|max:10000']);
        $this->ticketId = DB::transaction(function () {
            $id = DB::table('tickets')->insertGetId(['user_id' => auth()->id(), 'subject' => $this->subject, 'status' => 'open', 'created_at' => now(), 'updated_at' => now()]);
            DB::table('ticket_messages')->insert(['ticket_id' => $id, 'user_id' => auth()->id(), 'body' => $this->body, 'created_at' => now(), 'updated_at' => now()]);

            return $id;
        });
        if (config('tarnax.support_email')) {
            Notification::route('mail', config('tarnax.support_email'))->notify(new AccountUpdate('New Tarnax support ticket', $this->subject, url('/support'), 'support-update'));
        }
        $this->reset('subject', 'body');
    }

    public function send(): void
    {
        $ticket = $this->ticket();
        $this->validate(['reply' => 'required|string|min:2|max:10000']);
        DB::table('ticket_messages')->insert(['ticket_id' => $ticket->id, 'user_id' => auth()->id(), 'body' => $this->reply, 'created_at' => now(), 'updated_at' => now()]);
        DB::table('tickets')->where('id', $ticket->id)->update(['status' => 'open', 'updated_at' => now()]);
        $notification = new AccountUpdate('Your Tarnax support ticket has a reply', 'Sign in to read the reply.', url('/support'), 'support-update');
        if (auth()->user()->is_admin) {
            User::findOrFail($ticket->user_id)->notify($notification);
        } elseif (config('tarnax.support_email')) {
            Notification::route('mail', config('tarnax.support_email'))->notify($notification);
        }
        $this->reply = '';
    }

    public function close(): void
    {
        $ticket = $this->ticket();
        DB::table('tickets')->where('id', $ticket->id)->update(['status' => 'closed', 'updated_at' => now()]);
    }

    public function render()
    {
        $query = DB::table('tickets');
        if (! auth()->user()->is_admin) {
            $query->where('user_id', auth()->id());
        }
        $messages = collect();
        if ($this->ticketId) {
            $this->ticket();
            $messages = DB::table('ticket_messages')->join('users', 'users.id', '=', 'ticket_messages.user_id')->where('ticket_id', $this->ticketId)->select('ticket_messages.*', 'users.name')->orderBy('ticket_messages.id')->get();
        }

        return view('livewire.support-desk', ['tickets' => $query->latest('updated_at')->limit(100)->get(), 'messages' => $messages]);
    }
}