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

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

    $dom.on('click.checkbox keydown', function (event) {
      if (event.type === "keydown") {
        if (event.keyCode !== 32) {
          return;
        }
      }

      if (state.checked) {
        $dom.yvcheck('uncheck');
        if ($.type(option.onChange) === 'function') {
          option.onChange.call(this, option.off, event);
        }
      } else {
        $dom.yvcheck('check');
        if ($.type(option.onChange) === 'function') {
          option.onChange.call(this, option.on, event);
        }
      }
    });
  }

  $.fn.yvcheck = function (options, param) {
    if (typeof options == 'string') {
      var method = $.fn.yvcheck.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, 'yvcheck');
      if (state) {
        $.extend(state.options, options);
      } else {
        $.data(this, 'yvcheck', {
          options: $.extend({}, $.fn.yvcheck.defaults, options)
        });
      }

      init(this);
    });
  };

  $.fn.yvcheck.methods = {
    checked: function (jq) {
      var state = $.data(jq[0], 'yvcheck');
      return state.checked;
    },

    check: function (jq) {
      jq.each(function () {
        var state = $.data(this, 'yvcheck');
        state.checked = true;
        $(this).find('.yvan-checkbox').addClass('yvan-checked');
      });
    },

    uncheck: function (jq) {
      jq.each(function () {
        var state = $.data(this, 'yvcheck');
        state.checked = false;
        $(this).find('.yvan-checkbox').removeClass('yvan-checked');
      });
    },

    getValue: function (jq) {
      var state = $.data(jq[0], 'yvcheck');
      var option = state.options;

      if (jq.yvcheck('checked')) {
        if ($.type(option.on) === 'undefined') {
          return true;
        }
        return option.on;
      } else {
        if ($.type(option.off) === 'undefined') {
          return false;
        }
        return option.off;
      }
    },

    setValue: function (jq, value) {
      jq.each(function () {
        var state = $.data(this, 'yvcheck');
        var option = state.options;

        if (value === true || value === option.on) {
          jq.yvcheck('check');
        } else {
          jq.yvcheck('uncheck');
        }
      });
    },
  };

  $.fn.power.defaults.xtype.yvcheck = function ($targetDOM, option) {
    var $dom = $('<div tabindex="0" xtype="yvcheck" style="margin-top: 4px;text-align: center;">' +
      '<div class="yvan-checkbox" style="padding-left:0" lay-skin="primary">' +
      '<i class="fa fa-check"></i>' +
      '</div>' +
      '</div>').appendTo($targetDOM);

    return $dom.yvcheck(option);
  };

  $.fn.yvcheck.defaults = {
    on: 'TRUE',
    off: 'FALSE'
  };

})(jQuery);