<?php
// Necessary functions, types and other stuff


// Includes
if (isset($IS_FRONTEND) && $IS_FRONTEND) {
	require_once("api/_errorslist.php");
	require_once("api/_json.php");
} else {
	require_once("_errorslist.php");
	require_once("_json.php");
}


final class ErrorT {
	private int $Code;
	private string $Name;
	private string $Description;


	// Ctor
	public function __construct(int $code = -1, string $name = "", string $desc = "") {
		if ($code === -1 && empty($name))
			JSON_ReturnError(code: E_UNS_INTERNAL, desc: "cant construct ErrorT without at least error code or name");
		else if ($code === -1)
			$code = Errors_ResolveCodeByName($name);
		else if (empty($name))
			$name = Errors_ResolveNameByCode($code);

		$this->Code = $code;
		$this->Name = $name;
		$this->Description = $desc;
	}

	// Getter for error code
	public function GetCode (): int {
		return $this->Code;
	}
	// Getter for error name
	public function GetName (): string {
		return $this->Name;
	}
	// Getter for error description
	public function GetDescription (): string {
		return $this->Description;
	}

	// Stringify error
	public function Stringify (): string {
		if (isset($this->Description))
			return "error " . $this->Name . " (" . strval($this->Code) . "): " . $this->Description;
		else
			return "error " . $this->Name . " (" . strval($this->Code) . ")";
	}
}

// Return type of API method
final class ReturnT {
	private ErrorT $ErrorObj;
	private $Data;


	// Ctor
	public function __construct($data = null, int $err_code = 0, string $err_name = "", string $err_desc = "") {
		$this->ErrorObj = new ErrorT($err_code, $err_name, $err_desc);
		$this->Data = $data;
	}

	// Setter/getter for data
	public function SetData ($d) {
		$this->Data = $d;
	}
	public function GetData () {
		return $this->Data;
	}

	// Get string representation of error
	public function GetError (): string {
		return $this->ErrorObj->Stringify();
	}

	// Is there any error
	public function IsError (): bool {
		return $this->ErrorObj->GetCode() !== E_NOERROR;
	}

	// Throw JSON error
	function ThrowJSONError () {
		JSON_ReturnError(
			$this->ErrorObj->GetCode(),
			$this->ErrorObj->GetName(),
			$this->ErrorObj->Stringify()
		);
	}
}

?>