<?php
	require_once('check_login.php');

	//checking data
	$message = "";

	$_SESSION["roughly_size"] = $_POST["roughly_size"];
	$_SESSION["total_discounted_price"] = $_POST["total_discounted_price"];
	$_SESSION["deposit"] = $_POST["deposit"];
	$_SESSION["total_retail_price"] = $_POST["total_retail_price"];

	if (empty($_POST["room_id"])) {
		$message .= "請選擇要租用的倉庫。\\n\\n";
	}

	if (empty($_POST["roughly_size"])) {
		$message .= "請輸入大約面積。\\n\\n";
	}

	if (empty($_POST["total_discounted_price"])) {
		$message .= "請輸入每月租金。\\n\\n";
	} else {
		if (!is_numeric($_POST["total_discounted_price"]) || $_POST["total_discounted_price"] < 0) {
			$message .= "每月租金應是正數數字。\\n\\n";
		}
	}

	if (!isset($_POST["deposit"])) {
		$message .= "請輸入按金。\\n\\n";
	} else {
		if (!is_numeric($_POST["deposit"]) || $_POST["deposit"] < 0) {
			$message .= "按金應是正數數字。\\n\\n";
		}
	}

	if (empty($_POST["rent_month"])) {
		$message .= "請選擇租用期月份。\\n\\n";
	} else {
		if (!is_numeric($_POST["rent_month"])) {
			$message .= "租用期月份應是數字。\\n\\n";
		}
	}

	/*if (!isset($_POST["prepaid_month"])) {
		$message .= "請選擇預繳月份。\\n\\n";
	} else {
		if (!is_numeric($_POST["prepaid_month"])) {
			$message .= "預繳月份應是數字。\\n\\n";
		}
	}*/

	if ( (!isset($_POST["prepaid_month"]) || $_POST["prepaid_month"]  == 0) && isset($_POST["free_first_month"]) && $_POST["free_first_month"] == 1) {
		$message .= "免首月月費須要客戶選擇預繳。\\n\\n";
	}

	if(isset($_POST["free_first_month"]) && $_POST["free_first_month"] == 1 && isset($_POST["prepaid_month"]) && $_POST["prepaid_month"] > 0){
		if($_POST["biggest_retail_price"] <= 0 || $_POST["biggest_discounted_price"] <= 0){
			$message .= "免首月月費計算有問題，請重新整理頁面並再嘗試。\\n\\n";
		}
	}
	
	if (!isset($_POST["discount_amount"])) {
		$message .= "請輸入優惠金額。\\n\\n";
	} else if (!is_numeric($_POST["discount_amount"]) || $_POST["discount_amount"] < 0 ) {
		$message .= "優惠金額應是正數數字。\\n\\n";
	}

	if (!isset($_POST["last_paid"])) {
		$message .= "請輸入已付款項。\\n\\n";
	} else {
		if (!is_numeric($_POST["last_paid"]) || $_POST["last_paid"] < 0 ) {
			$message .= "已付款項應是正數數字。\\n\\n";
		}else{
			if( ($_POST["last_paid"] - $_POST["deposit"]) > ($_POST["rent_month"]*$_POST["total_discounted_price"])){
				$message .= "已付款項不應大於總租金金額和按金的總和，請適當增加租用月份。\\n\\n";
			}
		}
	}

	if (empty($_POST["warehousing_date"])) {
		$message .= "請輸入入倉日期。\\n\\n";
	} else {
		if (!validateDate($_POST["warehousing_date"], "Y-m-d")) {
			$message .= "請輸入正確的入倉日期。\\n\\n";
		}
	}

	if (empty($_POST["rent_from"])) {
		$message .= "請輸入生效日期。\\n\\n";
	} else {
		if (!validateDate($_POST["rent_from"], "Y-m-d")) {
			$message .= "租約期生效日期出錯。\\n\\n";
		}
	}


	if (empty($_POST["rent_to"])) {
		$message .= "請輸入租約期完結日期。\\n\\n";
	} else {
		if (!validateDate($_POST["rent_to"], "Y-m-d")) {
			$message .= "租約期完結日期出錯。\\n\\n";
		}
	}

	//check delivery service content
	if ($_POST["delivery_service"] == 1) {
		if (empty($_POST["delivery_date"])) {
			$message .= "請輸入服務日期。\\n\\n";
		} else {
			if (!validateDate($_POST["delivery_date"], "Y-m-d")) {
				$message .= "服務日期出錯。\\n\\n";
			}
		}

		if (empty($_POST["delivery_from"])) {
			$message .= "請輸入起點。\\n\\n";
		}

		if (empty($_POST["delivery_to"])) {
			$message .= "請輸入終點。\\n\\n";
		}
	}

	//按金付款方式
	if (empty($_POST["paymethod"])) {
		$message .= "請選擇按金付款方式。\\n\\n";
	}else{
		if($_POST["paymethod"] == "CHEQUE"){
			/*if(empty($_POST["bank_name"])){
				$message .= "請輸入 按金付款方式 銀行名稱 。\\n\\n";
			}

			if(empty($_POST["cheque_num"])){
				$message .= "請輸入 按金付款方式 支票號碼 。\\n\\n";
			}*/
		}

		if($_POST["paymethod"] == "BANKIN"){
			/*if(empty($_POST["paymethod_other2"])){
				$message .= "請輸入付款方式-銀行入數 。\\n\\n";
			}*/
		}

		if($_POST["paymethod"] == "OTHER"){
			if(empty($_POST["paymethod_other"])){
				$message .= "請輸入 按金付款方式 付款方式-其他 。\\n\\n";
			}
		}
	}

	//租金付款方式
	if (empty($_POST["paymethod2"])) {
		$message .= "請選擇租金付款方式。\\n\\n";
	}else{
		if($_POST["paymethod2"] == "CHEQUE"){
			/*if(empty($_POST["bank_name"])){
				$message .= "請輸入 租金付款方式 銀行名稱 。\\n\\n";
			}

			if(empty($_POST["cheque_num"])){
				$message .= "請輸入 租金付款方式 支票號碼 。\\n\\n";
			}*/
		}

		if($_POST["paymethod2"] == "BANKIN"){
			/*if(empty($_POST["paymethod2_other2"])){
				$message .= "請輸入付款方式-銀行入數 。\\n\\n";
			}*/
		}

		if($_POST["paymethod2"] == "OTHER"){
			if(empty($_POST["paymethod_other2"])){
				$message .= "請輸入 租金付款方式 付款方式-其他 。\\n\\n";
			}
		}
	}

	if (!isset($_POST["order_total"])) {
		$message .= "合約總計出錯。\\n\\n";
	}

	if (!isset($_POST["final_order_total"])) {
		$message .= "合約總計(折扣後)出錯。\\n\\n";
	}

	foreach($_POST["qty"] as $key => $qty){
		if(!is_numeric($qty) || $qty < 0){
			$message .= "數量應是正數數字。\\n\\n";
			break;
		}
	}

	$discount_info = array();

	$total_deduct = 0;

	$order_room = array();
	$i = 0;
	$location_id = 0;
	if(!empty($_POST["room_id"])){
		foreach($_POST["room_id"] as $key => $room){
			$order_room[$i]["room_id"] = $_POST["room_id"][$key];
			$order_room[$i]["room_code"] = $_POST["room_code"][$key];
			$order_room[$i]["retail_price"] = $_POST["retail_price"][$key];

			//$_SESSION["warehousing"][2]["order_discount"]
			//not stable with post discounted price, change to using order discount and do calculation
			if(!empty($_SESSION["warehousing"][2]["order_discount"])){
				foreach($_SESSION["warehousing"][2]["order_discount"] as $order_discount){
					if($order_discount["room_id"] == $_POST["room_id"][$key]){
						$order_room[$i]["discounted_price"] = round($_POST["retail_price"][$key] - $order_discount["monthly_deduct"], 1);
					}
				}
			}else{
				$order_room[$i]["discounted_price"] = $_POST["discounted_price"][$key];
			}

			//$order_room[$i]["discounted_price"] = $_POST["discounted_price"][$key];

			$order_room[$i]["location_id"] = $_POST["location_id"][$key];
			//check if different location exits
			if($i == 0){
				$location_id = $_POST["location_id"][$key];
			}
			else{
				if($location_id != $_POST["location_id"][$key]){
					$message .= "你不可以選取不同地點的倉庫。\\n\\n";
					break;
				}
			}

			$i++;
		}
	}else{
		$message .= "請選取要租用的倉庫。\\n\\n";
	}


	if(floor($_POST["final_order_total"]) < 0){
		$message .= "合約總計(折扣後) 金額不能小於0，請適當增加租用月份或調整其他設定。\\n\\n";
	}

	if($_POST["total_discounted_price"] > 0 && ceil( ($_POST["last_paid"] - $_POST["deposit"]) / $_POST["total_discounted_price"]) > $_POST["rent_month"]){
		$message .= "最少應租用".ceil( ($_POST["last_paid"] - $_POST["deposit"]) / $_POST["total_discounted_price"])."月。\\n\\n";
	}

	/*if(isset($_POST["prepaid_month"]) && $_POST["prepaid_month"] > 0 && ($_POST["paymethod"] == "UNPAID" || $_POST["paymethod2"] == "UNPAID")){
		$message .= "合約選擇預繳，按金和租金付款方式不可以是未付。\\n\\n";
	}*/

	if(!empty($_POST["free_first_month"])){
		$total_deduct += round($_POST["biggest_discounted_price"]-$_POST["biggest_retail_price"]*0.5, 1);
	}

	//direct deduct
	if(!empty($_POST["free_2_month_deduct"])){
		$total_deduct += $_POST["free_2_month_deduct"];
	}else{
		$free_2_month_deduct = 0;
	}

	if(!empty($_POST["last_paid"])){
		$total_deduct += $_POST["last_paid"];
	}
	
	$total_deduct += $_POST["discount_amount"];

	if($_POST["discount_deduct"] != $total_deduct){
		$message .= "折扣扣減計算出錯，請與我們聯絡。\\n\\n";
	}

	if (!empty($message)) {
		echo "<script>alert('" . $message . "'); history.back();</script>";
		//echo "<script>alert('" . $message . "');</script>";
		exit;
	}



	//record warehousing order in session
	$_SESSION["warehousing"][2]["order_room"] = $order_room;
	$_SESSION["warehousing"][2]["roughly_size"] = $_POST["roughly_size"];
	$_SESSION["warehousing"][2]["total_retail_price"] = round($_POST["total_retail_price"],1);
	$_SESSION["warehousing"][2]["total_discounted_price"] = round($_POST["total_discounted_price"],1);
	$_SESSION["warehousing"][2]["deposit"] = round($_POST["deposit"],1);
	$_SESSION["warehousing"][2]["rent_month"] = $_POST["rent_month"];
	$_SESSION["warehousing"][2]["biggest_retail_price"] = $_POST["biggest_retail_price"];
	$_SESSION["warehousing"][2]["biggest_discounted_price"] = $_POST["biggest_discounted_price"];

	if(isset($_POST["prepaid_month"])){
		$_SESSION["warehousing"][2]["prepaid_month"] = $_POST["rent_month"];
		$_SESSION["warehousing"][2]["prepaid_amount"] = round($_POST["total_discounted_price"],1)*$_POST["rent_month"]+round($_POST["deposit"],1);

		if($_POST["last_paid"] > 0){
			$_SESSION["warehousing"][2]["prepaid_amount"] -= $_POST["last_paid"];
		}
	}else{
		$_SESSION["warehousing"][2]["prepaid_month"] = 0;
		$_SESSION["warehousing"][2]["prepaid_amount"] = 0;
	}

	//if free_first_month > 0 --> has free first month

	if(!empty($_POST["free_first_month"])){
		$_SESSION["warehousing"][2]["free_first_month"] = 1;
		$_SESSION["warehousing"][2]["free_first_month_deduct"] = round($_SESSION["warehousing"][2]["biggest_discounted_price"]-$_SESSION["warehousing"][2]["biggest_retail_price"]*0.5, 1);

		if(isset($_POST["prepaid_month"])){
			$_SESSION["warehousing"][2]["prepaid_amount"] -= $_SESSION["warehousing"][2]["free_first_month_deduct"];
		}

	}else{
		$_SESSION["warehousing"][2]["free_first_month"] = 0;
		$_SESSION["warehousing"][2]["free_first_month_deduct"] = 0;
	}

	//free_2_month_deduct
	$_SESSION["warehousing"][2]["free_2_month_deduct"] = $_POST["free_2_month_deduct"];
	if(isset($_POST["prepaid_month"])){
		$_SESSION["warehousing"][2]["prepaid_amount"] -= $_SESSION["warehousing"][2]["free_2_month_deduct"];
	}

	$_SESSION["warehousing"][2]["discount_amount"] = $_POST["discount_amount"];
	if(isset($_POST["prepaid_month"])){
		$_SESSION["warehousing"][2]["prepaid_amount"] -= $_SESSION["warehousing"][2]["discount_amount"];
	}
	
	$_SESSION["warehousing"][2]["last_paid"] = $_POST["last_paid"];
	$_SESSION["warehousing"][2]["warehousing_date"] = $_POST["warehousing_date"];
	$_SESSION["warehousing"][2]["rent_from"] = $_POST["rent_from"];
	$_SESSION["warehousing"][2]["rent_to"] = $_POST["rent_to"];
	$_SESSION["warehousing"][2]["delivery_service"] = $_POST["delivery_service"];
	if($_POST["delivery_service"] == 1){
		$_SESSION["warehousing"][2]["delivery_date"] = $_POST["delivery_date"];
		$_SESSION["warehousing"][2]["delivery_from"] = $_POST["delivery_from"];
		$_SESSION["warehousing"][2]["delivery_to"] = $_POST["delivery_to"];
	}
	$_SESSION["warehousing"][2]["remark"] = $_POST["remark"];
	$_SESSION["warehousing"][2]["paymethod"] = $_POST["paymethod"];
	if($_POST["paymethod"] == "CHEQUE"){
		$_SESSION["warehousing"][2]["bank_name"] = $_POST["bank_name"];
		$_SESSION["warehousing"][2]["cheque_num"] = $_POST["cheque_num"];
	}
	if($_POST["paymethod"] == "OTHER"){
		$_SESSION["warehousing"][2]["paymethod_other"] = $_POST["paymethod_other"];
	}

	if($_POST["paymethod"] == "BANKIN"){
		$_SESSION["warehousing"][2]["paymethod_other"] = $_POST["paymethod_other2"];
	}

	$_SESSION["warehousing"][2]["paymethod2"] = $_POST["paymethod2"];
	if($_POST["paymethod2"] == "CHEQUE"){
		$_SESSION["warehousing"][2]["bank_name2"] = $_POST["bank_name2"];
		$_SESSION["warehousing"][2]["cheque_num2"] = $_POST["cheque_num2"];
	}
	if($_POST["paymethod2"] == "OTHER"){
		$_SESSION["warehousing"][2]["paymethod_other2"] = $_POST["paymethod_other2"];
	}

	if($_POST["paymethod2"] == "BANKIN"){
		$_SESSION["warehousing"][2]["paymethod_other2"] = $_POST["paymethod_other22"];
	}

	$_SESSION["warehousing"][2]["discount_deduct"] = round($_POST["discount_deduct"], 1);
	$_SESSION["warehousing"][2]["order_total"] = round($_POST["order_total"], 1);
	$_SESSION["warehousing"][2]["final_order_total"] = round($_POST["final_order_total"], 1);
	$_SESSION["warehousing"][2]["location_id"] = $location_id;
	$location_info = get_location($location_id);
	$_SESSION["warehousing"][2]["branch_id"] = $location_info["branch_id"];
	$_SESSION["warehousing"][2]["company_id"] = $location_info["company_id"];

	//room key
	//$_SESSION["warehousing"][2]["room_key"] = implode(",", $_POST["room_key"]);
	$_SESSION["warehousing"][2]["room_key"] = $_POST["room_key"];
		//$_SESSION["warehousing"][2]["order_discount"] = $_SESSION["discount_info"];

	//order product
	$order_product = array();
	$k = 0;
	foreach($_POST["qty"] as $key => $qty){
		if(!empty($qty) && (int)$qty > 0){
			$order_product[$k]["product_id"] = $_POST["product_id"][$key];
			$order_product[$k]["product_name"] = $_POST["product_name"][$key];
			$order_product[$k]["qty"] = $_POST["qty"][$key];
			$order_product[$k]["price"] = $_POST["price"][$key];
			$k++;
		}
	}

	$_SESSION["warehousing"][2]["order_product"] = $order_product;

	$_SESSION["warehousing"][2]["pass"] = true;

	//go to step 3
	header("Location: warehousing_step3.php");