<?php

require_once("../_auth.php");
require_once("../_json.php");


// Check if user has specified role
function User_HasRole ($id, $role) {
	global $db;

	$s = $db->prepare("SELECT * FROM users WHERE id = ?");
	$s->bind_param("s", $id);
	$s->execute();
	$d = $s->get_result()->fetch_assoc();

	if (!(bool)$d) {
		return null;
	}

	if ($d["role"] == $role) {
		return true;
	}
	return false;
}

// Check if user is moderator
function User_IsMod ($id) {
	global $db;

	$s = $db->prepare("SELECT * FROM users WHERE id = ?");
	$s->bind_param("s", $id);
	$s->execute();
	$d = $s->get_result()->fetch_assoc();

	if (!(bool)$d) {
		return null;
	}

	return in_array($d["role"], array("mod", "admin"));
}

// Get user information from DB
function User_GetInfoByID ($id) {
	global $db;

	$result = array();

	$s = $db->prepare("SELECT * FROM users WHERE id = ?");
	$s->bind_param("s", $id);
	$s->execute();
	$d = $s->get_result()->fetch_assoc();

	if (!(bool)$d) {
		return null;
	}

	$result["id"]            = $d["id"];
	$result["created_at"]    = $d["created_at"];
	$result["login"]         = $d["login"];
	$result["avatar_path"]   = $d["avatar_path"];
	$result["role"]          = $d["role"];
	$result["banned"]        = $d["banned"];
	if ($id === $_SESSION["userid"] || User_IsMod($_SESSION["userid"])) { // User himself and mods can see additional info
		$result["email"]     = $d["email"];
		$result["invite_id"] = $d["invite_id"];
	}

	return $result;
}


if (ThisFileIsRequested(__FILE__)) {
	$UserID = null;

	if (isset($_REQUEST["id"])) {
		if (!ctype_digit($_REQUEST["id"]))
			ReturnJSONError($Err_RDP_InvalidID, "id must be numeric");
		$UserID = intval($_REQUEST["id"]);
	} else {
		if ($LOGGED_IN)
			$UserID = $_SESSION["userid"];
		else
			ReturnJSONError($Err_RDP_InvalidID, "id must be specified or valid session must be provided");
	}

	$ResponseData = User_GetInfoByID($UserID);
	if ($ResponseData)
		ReturnJSONData($ResponseData);
	else
		ReturnJSONError($Err_DP_IDNotFound, "wrong id");
}

?>