<?php
namespace App\Models;

use App\Config;

class Pengumuman
{
    protected static $conn = null;

    protected static function connectDB()
    {
        try {
            if (!self::$conn) {
                $dsn = 'mysql:host='.Config::DB_HOST.';dbname='.Config::DB_DB;
                self::$conn = new \PDO($dsn, Config::DB_UNAME, Config::DB_PWD);

                self::$conn->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
            }
            return self::$conn;
        } catch (PDOException $e) {
            throw new \Exception($e->getMessage, 444);
        }
    }

    public static function fetch($table, $conditions = [])
    {
        $sql = "SELECT
                pengumuman.id, pengumuman.category as category,
                kategori.category as categoryName, kategori.background as background, kategori.foreground as foreground,
                pengumuman.created_at, pengumuman.valid_at, pengumuman.expired_at, pengumuman.creator, pengumuman.edited_at, pengumuman.content, pengumuman.status, pengumuman.delay
                FROM pengumuman INNER JOIN kategori ON pengumuman.category = kategori.id";

        if ($conditions) {
            $sql .= " WHERE";
            foreach ($conditions as $condition) {

                $keys[] = $condition[0];
                $operators[] = $condition[1];
                $values[] = $condition[2];
            }

            $x = 0;
            foreach ($keys as $key) {
                $sql .= " $key $operators[$x] ?";
                $x++;
                if ($x < count($keys)) {
                    $sql .= " AND";
                }
            }
        }

        try {
            $con = static::connectDB();
            $query = $con->prepare($sql);

            if (count($conditions)) {
                $x = 1;
                foreach ($values as $value) {
                    $query->bindValue($x, $value);
                    $x++;
                }
            }

            $query->execute();
            return $query->fetch(\PDO::FETCH_ASSOC);
        } catch (PDOException $e) {
            echo "Error: $e->getMessage()";
        }
    }

    public static function showAll($table, $conditions = [])
    {
        $sql = "SELECT
                pengumuman.id, pengumuman.category as category,
                kategori.background as background, kategori.foreground as foreground,
                created_at, valid_at, expired_at, creator, edited_at, content, pengumuman.status, delay,
                users.full_name as creatorName
                FROM pengumuman INNER JOIN kategori ON pengumuman.category = kategori.id INNER JOIN users ON pengumuman.creator = users.id";

        if ($conditions) {
            $sql .= " WHERE";
            foreach ($conditions as $condition) {

                $keys[] = $condition[0];
                $operators[] = $condition[1];
                $values[] = $condition[2];
            }

            $x = 0;
            foreach ($keys as $key) {
                $sql .= " $key $operators[$x] ?";
                $x++;
                if ($x < count($keys)) {
                    $sql .= " AND";
                }
            }
        }

        try {
            $con = static::connectDB();
            $query = $con->prepare($sql);

            if (count($conditions)) {
                $x = 1;
                foreach ($values as $value) {
                    $query->bindValue($x, $value);
                    $x++;
                }
            }

            $query->execute();
            return $query->fetchAll(\PDO::FETCH_ASSOC);
        } catch (PDOException $e) {
            echo "Error: $e->getMessage()";
        }
    }
}