/**
 * yvan.yvnumber.js
 * @author luoyifan
 * 2019-07-14 11:14:00
 */
'use strict';
(function ($) {

  function init(target) {
    var state = $.data(target, 'yvnumber');
    var option = state.options;
    var $dom = $(target);

    var jqxOpt = {
      width: option.width,
      height: option.height,
    };

    $dom.jqxInput(jqxOpt);
    $dom.attr('type', "number");
    $dom.addClass('yvgrid-numberbox');

    var re;
    if (!option.precision) {
      //不需要小数
      re = new RegExp("^(\\-)*(\\d+).*$", "g");
      $dom.on('input propertychange', function (event) {
        this.value = this.value.replace(re, '$1$2');
        if ($.type(option.onChange) === 'function') {
          option.onChange.call(this, this.value, event);
        }
      });

    } else {
      //需要指定位数的小数
      re = new RegExp("^(\\-)*(\\d+)\\.(\\d{0," + option.precision + "}).*$", "g");
      $dom.on('input propertychange', function (event) {
        this.value = this.value.replace(re, '$1$2.$3');
        if ($.type(option.onChange) === 'function') {
          option.onChange.call(this, this.value, event);
        }
      });
    }
  }

  $.fn.yvnumber = function (options, param) {
    if (typeof options == 'string') {
      var method = $.fn.yvnumber.methods[options];
      if (method) {
        var args = [this];
        for (var i = 1; i < arguments.length; i++) {
          args.push(arguments[i]);
        }
        return method.apply(this, args);

      } else {
        console.error('not found method:' + options);
      }
    }

    options = options || {};
    return this.each(function () {
      var state = $.data(this, 'yvnumber');
      if (state) {
        $.extend(state.options, options);
      } else {
        $.data(this, 'yvnumber', {
          options: $.extend({}, $.fn.yvnumber.defaults, options)
        });
      }

      init(this);
    });
  };

  function setValueInner(target, newValue) {
    var state = $.data(target, "yvnumber");
    var option = state.options;
    //option.value = parseFloat(value);

    var value = option.parser.call(target, newValue);
    //console.log('value:' + newValue + ', parser:' + value + ', precision:' + option.precision);
    //var text = option.formatter.call(target, value);
    option.value = value;
    $(target).jqxInput('val', value);
    //$(target).textbox("setText", text).textbox("setValue", value);

    //text = option.formatter.call(target, $(target).textbox("getValue"));
    //$(target).textbox("setText", text);
  }

  $.fn.yvnumber.methods = {
    getValue: function ($dom) {
      return $(this).jqxInput('val');
    },

    setValue: function (jq, value) {
      return jq.each(function () {
        setValueInner(this, value);
        //return $(this).jqxInput('val', value);
      });
    },

    focus: function ($dom) {
      setTimeout(function () {
        $dom[0].focus();
      }, 200);
    },

  };

  $.fn.power.defaults.xtype.yvnumber = function ($targetDOM, option) {
    if (option.name) {
      var $dom = $("<input name='" + option.name + "' xtype='yvnumber' />").appendTo($targetDOM);
    } else {
      $dom = $("<input xtype='yvnumber' />").appendTo($targetDOM);
    }
    return $dom.yvnumber(option);
  };

  $.fn.yvnumber.defaults = {
    precision: 0,
    min: 0,

    parser: function (value) {
      value = value + "";
      var option = $.data(this, 'yvnumber').options;
      if (option.prefix) {
        value = $.trim(value.replace(new RegExp("\\" + $.trim(option.prefix), "g"), ""));
      }
      if (option.suffix) {
        value = $.trim(value.replace(new RegExp("\\" + $.trim(option.suffix), "g"), ""));
      }
      if (parseFloat(value) !== option.value) {
        if (option.groupSeparator) {
          value = $.trim(value.replace(new RegExp("\\" + option.groupSeparator, "g"), ""));
        }
        if (option.decimalSeparator) {
          value = $.trim(value.replace(new RegExp("\\" + option.decimalSeparator, "g"), "."));
        }
        value = value.replace(/\s/g, "");
      }
      var val = parseFloat(value).toFixed(option.precision);
      if (isNaN(val)) {
        val = "";
      } else {
        if (typeof (option.min) == "number" && val < option.min) {
          val = option.min.toFixed(option.precision);
        } else {
          if (typeof (option.max) == "number" && val > option.max) {
            val = option.max.toFixed(option.precision);
          }
        }
      }
      return val;
    },

    formatter: function (value) {
      if (!value) {
        return value;
      }
      value = value + "";
      var state = $.data(this, 'yvnumber').options;
      var s1 = value, s2 = "";
      var _1c = value.indexOf(".");
      if (_1c >= 0) {
        s1 = value.substring(0, _1c);
        s2 = value.substring(_1c + 1, value.length);
      }
      if (state.groupSeparator) {
        var p = /(\d+)(\d{3})/;
        while (p.test(s1)) {
          s1 = s1.replace(p, "$1" + state.groupSeparator + "$2");
        }
      }
      if (s2) {
        return state.prefix + s1 + state.decimalSeparator + s2 + state.suffix;
      } else {
        return state.prefix + s1 + state.suffix;
      }
    }
  };

})(jQuery);