// main JavaScript entry point

// silly silly silly
var MAX_RECIPIENTS = 2;
var MAX_CHARLENGTH = 160;

//<![CDATA[
	jQuery(document).ready(function() {
		$('input[name=send_sms_recipients]').keyup(function(){
			var recipients = $(this).val().split(',').length;

			if(recipients > MAX_RECIPIENTS){
				var lastRecipient = $(this).val().lastIndexOf(',');

				$(this).val($(this).val().substring(0, lastRecipient));

				return false;
			} else {
				$(this).next('span').text(recipients + ' of ' + MAX_RECIPIENTS + ' recipients');
			}
		});

		$('textarea[name=send_sms_message]').keyup(function(){
			var charLength = $(this).val().length;

			if(charLength > MAX_CHARLENGTH){
				$(this).val($(this).val().substr(0, MAX_CHARLENGTH));

				return false;
			} else {
				$(this).next('span').text(charLength + ' of ' + MAX_CHARLENGTH + ' characters used');
			}
		});

		$('.send_sms form').submit(function(){
			var action = $(this).attr('action');
			var send_sms_recipients = $(this).find('input[name=send_sms_recipients]').val();
			var send_sms_message = $(this).find('textarea[name=send_sms_message]').val();

			// pass to RPC.php for sending
			$.post(action, {
				send_sms_recipients: send_sms_recipients,
				send_sms_message: send_sms_message
			}, function(json){
				// bad eval!
				var json = eval ('(' + json + ')');

				// if the SMS was sent ok, update the UI
				// we would do futher checking here as the Esendex API has various 'Result' codes
				if(json.Result == 'OK'){
					var date = new Date();

					$('.sent_sms table').find('tbody').prepend($('<tr>')
						.append($('<td>')
							.text(send_sms_recipients)
						)
						.append($('<td>')
							.text(date.getHours() + ':' + date.getMinutes())
							)
						.append($('<td>')
							.text(send_sms_message)
						)
					).end().find('tfoot').fadeOut();

					$.jGrowl('SMS has been sent to ' + send_sms_recipients, {life: 5000});
				}
			});

			return false;
		});
	});
//]]>

function urldecode(str){
	// http://kevin.vanzonneveld.net
	var hash_map = {}, ret = str.toString(), unicodeStr = '', hexEscStr = '';
	
	var replacer = function(search, replace, str){
		var tmp_arr = [];
		tmp_arr = str.split(search);
		return tmp_arr.join(replace);
	};
	
	// The hash_map is identical to the one in urlencode.
	hash_map["'"] = '%27';
	hash_map['('] = '%28';
	hash_map[')'] = '%29';
	hash_map['*'] = '%2A';
	hash_map['~'] = '%7E';
	hash_map['!'] = '%21';
	hash_map['%20'] = '+';
	hash_map['\u00DC'] = '%DC';
	hash_map['\u00FC'] = '%FC';
	hash_map['\u00C4'] = '%D4';
	hash_map['\u00E4'] = '%E4';
	hash_map['\u00D6'] = '%D6';
	hash_map['\u00F6'] = '%F6';
	hash_map['\u00DF'] = '%DF';
	hash_map['\u20AC'] = '%80';
	hash_map['\u0081'] = '%81';
	hash_map['\u201A'] = '%82';
	hash_map['\u0192'] = '%83';
	hash_map['\u201E'] = '%84';
	hash_map['\u2026'] = '%85';
	hash_map['\u2020'] = '%86';
	hash_map['\u2021'] = '%87';
	hash_map['\u02C6'] = '%88';
	hash_map['\u2030'] = '%89';
	hash_map['\u0160'] = '%8A';
	hash_map['\u2039'] = '%8B';
	hash_map['\u0152'] = '%8C';
	hash_map['\u008D'] = '%8D';
	hash_map['\u017D'] = '%8E';
	hash_map['\u008F'] = '%8F';
	hash_map['\u0090'] = '%90';
	hash_map['\u2018'] = '%91';
	hash_map['\u2019'] = '%92';
	hash_map['\u201C'] = '%93';
	hash_map['\u201D'] = '%94';
	hash_map['\u2022'] = '%95';
	hash_map['\u2013'] = '%96';
	hash_map['\u2014'] = '%97';
	hash_map['\u02DC'] = '%98';
	hash_map['\u2122'] = '%99';
	hash_map['\u0161'] = '%9A';
	hash_map['\u203A'] = '%9B';
	hash_map['\u0153'] = '%9C';
	hash_map['\u009D'] = '%9D';
	hash_map['\u017E'] = '%9E';
	hash_map['\u0178'] = '%9F';
	hash_map['\u00C6'] = '%C3%86';
	hash_map['\u00D8'] = '%C3%98';
	hash_map['\u00C5'] = '%C3%85';
 
	for(unicodeStr in hash_map){
		hexEscStr = hash_map[unicodeStr]; // Switch order when decoding
		ret = replacer(hexEscStr, unicodeStr, ret); // Custom replace. No regexing
	}
	
	// End with decodeURIComponent, which most resembles PHP's encoding functions
	ret = decodeURIComponent(ret);
 
	return ret;
}