<?php

namespace Blog\Model;

use PDO;
use PDOException;

class VoucherModel extends Database {

    public function getVouchers() {
        $pdo = $this->linkDB();
        $sql = "SELECT * FROM voucher ORDER BY valid_until DESC;";
        $stmt = $pdo->prepare($sql);
        $stmt->execute();
        return $stmt->fetchAll(PDO::FETCH_ASSOC);
    }

    public function getVoucher($id) {
        $pdo = $this->linkDB();
        $sql = "SELECT * FROM voucher WHERE voucher_id = :id;";
        $stmt = $pdo->prepare($sql);
        $params = [':id' => $id];
        $stmt->execute($params);
        return $stmt->fetch(PDO::FETCH_ASSOC);
    }

    public function createVoucher($data) {
        $pdo = $this->linkDB();
        $sql = "INSERT INTO voucher (code, discount, event_id, valid_until) VALUES (:code, :discount, :event_id, :valid_until);";
        $stmt = $pdo->prepare($sql);
        $params = [
            ':code' => $data['code'],
            ':discount' => $data['discount'],
            ':event_id' => $data['event_id'],
            ':valid_until' => $data['valid_until']
        ];
        $stmt->execute($params);
        return $pdo->lastInsertId();
    }

    public function updateVoucher($id, $data) {
        $pdo = $this->linkDB();
        $sql = "UPDATE voucher SET code = :code, discount = :discount, event_id = :event_id, valid_until = :valid_until WHERE voucher_id = :id;";
        $stmt = $pdo->prepare($sql);
        $params = [
            ':code' => $data['code'],
            ':discount' => $data['discount'],
            ':event_id' => $data['event_id'],
            ':valid_until' => $data['valid_until'],
            ':id' => $id
        ];
        return $stmt->execute($params);
    }

    public function deleteVoucher($id) {
        $pdo = $this->linkDB();
        $sql = "DELETE FROM voucher WHERE voucher_id = :id;";
        $stmt = $pdo->prepare($sql);
        $params = [':id' => $id];
        return $stmt->execute($params);
    }
}