jQuery(document).ready(function($) {
  "use strict";

  //Contact
  $('form.contactForm').submit(function() {
    var f = $(this).find('.form-group'),
      ferror = false,
      emailExp = /^[^\s()<>@,;:\/]+@\w[\w\.-]+\.[a-z]{2,}$/i;

    f.children('input').each(function() { // run all inputs

      var i = $(this); // current input
      var rule = i.attr('data-rule');

      if (rule !== undefined) {
        var ierror = false; // error flag for current input
        var pos = rule.indexOf(':', 0);
        if (pos >= 0) {
          var exp = rule.substr(pos + 1, rule.length);
          rule = rule.substr(0, pos);
        } else {
          rule = rule.substr(pos + 1, rule.length);
        }

        switch (rule) {
          case 'required':
            if (i.val() === '') {
              ferror = ierror = true;
            }
            break;

          case 'minlen':
            if (i.val().length < parseInt(exp)) {
              ferror = ierror = true;
            }
            break;

          case 'email':
            if (!emailExp.test(i.val())) {
              ferror = ierror = true;
            }
            break;

          case 'checked':
            if (!i.attr('checked')) {
              ferror = ierror = true;
            }
            break;

          case 'regexp':
            exp = new RegExp(exp);
            if (!exp.test(i.val())) {
              ferror = ierror = true;
            }
            break;
        }
        i.next('.validation').html((ierror ? (i.attr('data-msg') !== undefined ? i.attr('data-msg') : 'wrong Input') : '')).show('blind');
      }
    });
    f.children('textarea').each(function() { // run all inputs

      var i = $(this); // current input
      var rule = i.attr('data-rule');

      if (rule !== undefined) {
        var ierror = false; // error flag for current input
        var pos = rule.indexOf(':', 0);
        if (pos >= 0) {
          var exp = rule.substr(pos + 1, rule.length);
          rule = rule.substr(0, pos);
        } else {
          rule = rule.substr(pos + 1, rule.length);
        }

        switch (rule) {
          case 'required':
            if (i.val() === '') {
              ferror = ierror = true;
            }
            break;

          case 'minlen':
            if (i.val().length < parseInt(exp)) {
              ferror = ierror = true;
            }
            break;
        }
        i.next('.validation').html((ierror ? (i.attr('data-msg') != undefined ? i.attr('data-msg') : 'wrong Input') : '')).show('blind');
      }
    });
    if (ferror) return false;
    else var str = $(this).serialize();

	if(checkMailEmailFromURL(str)){
		$.ajax({
		  type: "POST",
		  url: "/contactform/sendMail.asp",
		  data: { "str": escape(str)},
		  success: function(msg) {
			//getUserIP();
			if (msg == 'OK') {
			  $("#sendmessage").addClass("d-block");
			  $("#submit-button").addClass("d-none");
			  $("#errormessage").removeClass("d-block");
			  $('.contactForm').find("input, textarea").val("");
			} 
		  }
		});
	}
    return false;
  });

});

async function getUserIP() {
    try {
        // 获取IP地址
        let data = await $.getJSON('https://api.ipify.org?format=json');
		//console.log(data.ip);              
    } catch (error) {
        console.error('Error:', error);
    }
}

function checkMailEmailFromURL(url) {
    // 解析URL参数
    const params = new URLSearchParams(url);
    
    // 获取MailEmail的值
    const MailEmail = params.get('MailEmail');
    
    // 检查MailEmail是否为空或null或字符串"null"
    if (!MailEmail || MailEmail === "null") {
        return false;
    }
    return true;
}