/**
 * Zip Api Class
 * 
 * @copyright	Copyright (c) 2008 Global Network Core Co.,Ltd. All rights reserved. 
 * @since		2008/11/10
 * @version		1.0.0
 */
function ZipApiClass() {
	this.initialize.apply(this, arguments);
};
ZipApiClass.prototype = {
	initialize:function(){
		this._token = "3a8940a8";
	},
	searchByZip:function(zip, callback, office) {
		office = office == null ? false : office;
		if(zip.length == 0) {
			alert("郵便番号を入力して下さい。");
			return;
		}
		/*
		if(zip.replace("-", "").length < 7) {
			alert("郵便番号は7桁の番号で入力してください。");
			return;
		}
		*/
		if(zip.replace("-", "").length < 3) {
			alert("郵便番号は3桁以上で検索可能です。");
			return;
		}
		var params = "&zip=" + encodeURI(zip);
		this._openScript(params, callback, office);
	},
	searchByAddress:function(pref, address, callback, office) {
		office = office == null ? false : office;
		if(pref.length == 0) {
			alert("都道府県を入力してください。");
			return;
		}
		if(address.length == 0) {
			alert("市区町村を入力してください。");
			return;
		}
		
		var params = "&pref=" + encodeURI(pref) + "&address=" + encodeURI(address);
		this._openScript(params, callback, office);
	},
	_openScript:function(params, callback, office) {
		if(!callback) {
			alert("コールバック関数が設定されていません。");
			return;
		}
		this._callback = callback;
		var script = document.createElement("script");
		script.type = "text/javascript";
		script.charset = "UTF-8";
		var src = "https://api.nplus-net.jp/zip/index.php?ac=Search"
		src += office ? "&office=1" : "";
		src += "&q=22ucm43o85lc7cfkjjo0d85b01";
		src += "&key=8851619238ba30062318c38a502f55e7";
		src += "&t=" + this._token + params;
		script.src = src;
		document.body.appendChild(script);
	},
	execCallback:function(obj) {
		this._token = obj.token;
		this._callback(obj);
	}
}

var ZipApi= new ZipApiClass();