<?php
class admin
{
	private $table;
	private $id;

	private $data;

	public $username;
	public $real_name;
	public $password;
	public $last_login;

	public $error;

	public function __construct($table)
	{
		$this->table = $table;

		$sQuery = @mysql_query("CHECK TABLE ".$this->table."");

		if ($sQuery == false)
		{
			die("Error while checking table: ".$this->table."");
		}

		else
		{
			$aData = mysql_fetch_array($sQuery);

			$t_message = strtolower($aData['Msg_text']);

			if ($t_message != "ok")
			{
				die("Table \"".$this->table."\" doesn't exists or is corrupt");
			}
		}
	}

	public function getData($ad_id)
	{
		$this->id = $ad_id;

		if (is_numeric($ad_id))
		{

			 $sQuery = @mysql_query("SELECT * FROM ".$this->table." WHERE admin_id = ".$this->id."");

			 if ($sQuery == false)
			 {
				die("Error while executing the Query, error of MySQL: ".mysql_error()."");
			 }

			 else
			 {
				 $aData = @mysql_fetch_array($sQuery);

				 if ($aData == false)
				 {
					 return "user_not_found";
				 }

				 else
				 {
					 $this->username = $aData['username'];
					 $this->real_name = $aData['real_name'];
					 $this->password = $aData['password'];
					 $this->last_login = $aData['last_login'];
				 }
			}
		}

		else
		{
			return "not_numeric";
		}
	}

	public function addAdmin($data_ar)
	{
		$this->data = $data_ar;

		if(isset($this->data))
		{
			if (is_array($this->data))
			{
				$this->username = $this->data['username'];
				$this->real_name = $this->data['real_name'];
				$this->password = $this->data['password'];

				if (empty($this->username))
				{
					$this->username = "Default";
				}

				if (empty($this->real_name))
				{
					$this->real_name = "Default";
				}

				if (empty($this->password))
				{
					$this->password = "Default";
				}

				$this->password = md5($this->password);

				$rResult = @mysql_query("INSERT INTO ".$this->table." (username, real_name, password, last_login) VALUES ('".$this->username."', '".$this->real_name."', '".$this->password."', NOW())");

				if ($rResult == false)
				{
					return "useradd_error";
					$this->error = "A error occured while adding the user to the Database, MySQL error: ".mysql_error()."";
				}

				else
				{
					$sQuery = @mysql_query("SELECT admin_id FROM ".$this->table." ORDER BY admin_id DESC");

					if ($sQuery == false)
					{
						die("A error occured while selecting the added user");
					}

					else
					{
						$rResult = @mysql_fetch_array($sQuery);

						if ($rResult == false)
						{
							die("A error occured while fetching the data from the user");
						}

						else
						{
							return $rResult['admin_id'];
						}
					}

				}
			}

			else
			{
				die("Data is not a array !");
			}
		}

		else
		{
			die("No data found");
		}

	}

	public function editAdmin($id, $data_ar)
	{
		$this->id = $id;
		$this->data = $data_ar;

		if (is_numeric($id))
		{
			if (!empty($this->data))
			{
				$this->username = $this->data['username'];
				$this->real_name = $this->data['real_name'];
				$this->password = $this->data['password'];


				$sQuery = @mysql_query("SELECT * FROM ".$this->table." WHERE admin_id = ".$this->id."");

				if ($sQuery == false)
				{
					die("Error while executing the Query, error of mysql: ".mysql_error()."");
				}

				else
				{
					$cCount = @mysql_num_rows($sQuery);

					if ($cCount == 0)
					{
						return "user_not_found";
						$this->error = "An error occured while searching the user, error of MySQL: ".mysql_error()."";
					}

					else
					{
						if (empty($this->password))
						{
							$sQuery = @mysql_query("SELECT password FROM ".$this->table." WHERE admin_id = '".$this->id."'");

							if ($sQuery == false)
							{
								die("Problem while executing the Query, error of mysql: ".mysql_error()."");
							}

							else
							{
								$aData = @mysql_fetch_array($sQuery);

								if ($aData == false)
								{
									die("User not found !");
								}

								else
								{
									$this->password = $aData['password'];
								}
							}
						}

						else
						{
							$this->password = md5($this->password);
						}

						$uQuery = mysql_query("UPDATE ".$this->table." SET username = '".$this->username."', real_name = '".$this->real_name."', password = '".$this->password."' WHERE admin_id = '".$this->id."'");

						if ($uQuery == false)
						{
							die("Critical error while updating the Admin, error of MySQL: ".mysql_error()."");
						}

						else
						{
							return "user_updated";
						}

					}
				}
			}

			else
			{
				return "data_empty";
			}
		}

		else
		{
			return "not_numeric";
		}
	}

	public function deleteAdmin($id)
	{
		$this->id = $id;

		if (!empty($this->id))
		{
			if (is_numeric($this->id))
			{
				$sQuery = @mysql_query("SELECT * FROM ".$this->table." WHERE admin_id = '".$this->id."'");

				if ($sQuery == false)
				{
					die("An error occured while executing the Query, error of MySQL: ".mysql_error()."");
				}

				else
				{
					$cCount = @mysql_num_rows($sQuery);

					if ($cCount == false)
					{
						return "user_not_found";
						$this->error = "No admin was found on id#".$this->id."";
					}

					else
					{
						$dQuery = @mysql_query("DELETE FROM ".$this->table." WHERE admin_id = '".$this->id."'");

						if ($dQuery == false)
						{
							die("An error occured while executing the Query, error of MySQL: ".mysql_error()."");
						}

						else
						{
							return "user_deleted";
						}
					}
				}
			}

			else
			{
				return "not_numeric";
			}
		}

		else
		{
			return "no_id";
		}
	}
}


?>