<?php

namespace Blog\Controller;

use Blog\Model\TicketModel;
use Blog\Model\EventModel;
use Blog\Model\StandortModel;

class TicketController {

    private $ticketModel;
    private $eventModel;
    private $view;

    public function __construct($view) {
        $this->ticketModel = new TicketModel();
        $this->eventModel = new EventModel();
        $this->view = $view;
    }

    public function showTickets() {
        if (!isset($_SESSION['user_id'])) {
            $this->view->setVars(['redirect' => 'index.php?controller=Auth&do=showLoginForm']);
            return;
        }
        
        $tickets = $this->ticketModel->getUserTickets($_SESSION['user_id']);
        $this->view->setVars(['tickets' => $tickets]);
    }

    public function showBuyTicketForm() {
        if (!isset($_SESSION['user_id'])) {
            $this->view->setVars(['redirect' => 'index.php?controller=Auth&do=showLoginForm']);
            return;
        }

        $event_id = $_GET['event_id'] ?? null;
        if (!$event_id) {
            $this->view->setVars(['redirect' => 'index.php?controller=Event&do=showEvents']);
            return;
        }

        $event = $this->eventModel->getEvent($event_id);
        if (!$event) {
            $this->view->setVars(['redirect' => 'index.php?controller=Event&do=showEvents']);
            return;
        }

        // Check if user already has a ticket for this event
        $hasTicket = $this->ticketModel->hasTicket($_SESSION['user_id'], $event_id);
        
        $this->view->setVars([
            'event' => $event,
            'hasTicket' => $hasTicket['count'] > 0
        ]);
    }

    public function buyTicket() {
        if (!isset($_SESSION['user_id'])) {
            header('Location: index.php?controller=Auth&do=showLoginForm');
            exit;
        }

        $event_id = $_POST['event_id'] ?? null;
        if (!$event_id) {
            $this->view->setVars(['error' => 'Keine Event-ID angegeben.']);
            return;
        }

        $event = $this->eventModel->getEvent($event_id);
        if (!$event) {
            $this->view->setVars(['error' => 'Event nicht gefunden.']);
            return;
        }

        // Check if user already has a ticket for this event
        $hasTicket = $this->ticketModel->hasTicket($_SESSION['user_id'], $event_id);
        if ($hasTicket['count'] > 0) {
            $this->view->setVars(['error' => 'Sie haben bereits ein Ticket für dieses Event.']);
            return;
        }

        // Calculate valid until date (event end date + 30 days)
        $valid_until = date('Y-m-d', strtotime($event['end_date'] . ' +30 days'));
        
        $data = [
            'user_id' => $_SESSION['user_id'],
            'event_id' => $event_id,
            'purchase_date' => date('Y-m-d'),
            'valid_until' => $valid_until
        ];

        try {
            $ticket_id = $this->ticketModel->buyTicket($data);
            $this->view->setVars([
                'event' => $event,
                'ticket_id' => $ticket_id,
                'purchase_date' => $data['purchase_date'],
                'valid_until' => $valid_until
            ]);
            $this->view->setDoMethodName('buyTicket');
        } catch (Exception $e) {
            $this->view->setVars(['error' => 'Fehler beim Kauf des Tickets: ' . $e->getMessage()]);
            $this->view->setDoMethodName('showBuyTicketForm');
        }
    }

    public function deleteTicket() {
        if (!isset($_SESSION['user_id'])) {
            $this->view->setVars(['redirect' => 'index.php?controller=Auth&do=showLoginForm']);
            return;
        }

        $ticket_id = $_GET['ticket_id'] ?? null;
        if ($ticket_id) {
            $this->ticketModel->deleteTicket($ticket_id);
        }
        
        // Redirect to tickets page using JavaScript
        $this->view->setVars(['redirect' => 'index.php?controller=Ticket&do=showTickets']);
    }
}