/*!
 * The Final Countdown for jQuery v2.2.0 (http://hilios.github.io/jQuery.countdown/)
 * Copyright (c) 2016 Edson Hilios
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
(function(factory) {
  "use strict";
  if (typeof define === "function" && define.amd) {
      define([ "jquery" ], factory);
  } else {
      factory(jQuery);
  }
})(function($) {
  "use strict";
  var instances = [], matchers = [], defaultOptions = {
      precision: 100,
      elapse: false,
      defer: false
  };
  matchers.push(/^[0-9]*$/.source);
  matchers.push(/([0-9]{1,2}\/){2}[0-9]{4}( [0-9]{1,2}(:[0-9]{2}){2})?/.source);
  matchers.push(/[0-9]{4}([\/\-][0-9]{1,2}){2}( [0-9]{1,2}(:[0-9]{2}){2})?/.source);
  matchers = new RegExp(matchers.join("|"));
  function parseDateString(dateString) {
      if (dateString instanceof Date) {
          return dateString;
      }
      if (String(dateString).match(matchers)) {
          if (String(dateString).match(/^[0-9]*$/)) {
              dateString = Number(dateString);
          }
          if (String(dateString).match(/\-/)) {
              dateString = String(dateString).replace(/\-/g, "/");
          }
          return new Date(dateString);
      } else {
          throw new Error("Couldn't cast `" + dateString + "` to a date object.");
      }
  }
  var DIRECTIVE_KEY_MAP = {
      Y: "years",
      m: "months",
      n: "daysToMonth",
      d: "daysToWeek",
      w: "weeks",
      W: "weeksToMonth",
      H: "hours",
      M: "minutes",
      S: "seconds",
      D: "totalDays",
      I: "totalHours",
      N: "totalMinutes",
      T: "totalSeconds"
  };
  function escapedRegExp(str) {
      var sanitize = str.toString().replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1");
      return new RegExp(sanitize);
  }
  function strftime(offsetObject) {
      return function(format) {
          var directives = format.match(/%(-|!)?[A-Z]{1}(:[^;]+;)?/gi);
          if (directives) {
              for (var i = 0, len = directives.length; i < len; ++i) {
                  var directive = directives[i].match(/%(-|!)?([a-zA-Z]{1})(:[^;]+;)?/), regexp = escapedRegExp(directive[0]), modifier = directive[1] || "", plural = directive[3] || "", value = null;
                  directive = directive[2];
                  if (DIRECTIVE_KEY_MAP.hasOwnProperty(directive)) {
                      value = DIRECTIVE_KEY_MAP[directive];
                      value = Number(offsetObject[value]);
                  }
                  if (value !== null) {
                      if (modifier === "!") {
                          value = pluralize(plural, value);
                      }
                      if (modifier === "") {
                          if (value < 10) {
                              value = "0" + value.toString();
                          }
                      }
                      format = format.replace(regexp, value.toString());
                  }
              }
          }
          format = format.replace(/%%/, "%");
          return format;
      };
  }
  function pluralize(format, count) {
      var plural = "s", singular = "";
      if (format) {
          format = format.replace(/(:|;|\s)/gi, "").split(/\,/);
          if (format.length === 1) {
              plural = format[0];
          } else {
              singular = format[0];
              plural = format[1];
          }
      }
      if (Math.abs(count) > 1) {
          return plural;
      } else {
          return singular;
      }
  }
  var Countdown = function(el, finalDate, options) {
      this.el = el;
      this.$el = $(el);
      this.interval = null;
      this.offset = {};
      this.options = $.extend({}, defaultOptions);
      this.firstTick = true;
      this.instanceNumber = instances.length;
      instances.push(this);
      this.$el.data("countdown-instance", this.instanceNumber);
      if (options) {
          if (typeof options === "function") {
              this.$el.on("update.countdown", options);
              this.$el.on("stoped.countdown", options);
              this.$el.on("finish.countdown", options);
          } else {
              this.options = $.extend({}, defaultOptions, options);
          }
      }
      this.setFinalDate(finalDate);
      if (this.options.defer === false) {
          this.start();
      }
  };
  $.extend(Countdown.prototype, {
      start: function() {
          if (this.interval !== null) {
              clearInterval(this.interval);
          }
          var self = this;
          this.update();
          this.interval = setInterval(function() {
              self.update.call(self);
          }, this.options.precision);
      },
      stop: function() {
          clearInterval(this.interval);
          this.interval = null;
          this.dispatchEvent("stoped");
      },
      toggle: function() {
          if (this.interval) {
              this.stop();
          } else {
              this.start();
          }
      },
      pause: function() {
          this.stop();
      },
      resume: function() {
          this.start();
      },
      remove: function() {
          this.stop.call(this);
          instances[this.instanceNumber] = null;
          delete this.$el.data().countdownInstance;
      },
      setFinalDate: function(value) {
          this.finalDate = parseDateString(value);
      },
      update: function() {
          if (this.$el.closest("html").length === 0) {
              this.remove();
              return;
          }
          var now = new Date(), newTotalSecsLeft;
          newTotalSecsLeft = this.finalDate.getTime() - now.getTime();
          newTotalSecsLeft = Math.ceil(newTotalSecsLeft / 1e3);
          newTotalSecsLeft = !this.options.elapse && newTotalSecsLeft < 0 ? 0 : Math.abs(newTotalSecsLeft);
          if (this.totalSecsLeft === newTotalSecsLeft || this.firstTick) {
              this.firstTick = false;
              return;
          } else {
              this.totalSecsLeft = newTotalSecsLeft;
          }
          this.elapsed = now >= this.finalDate;
          this.offset = {
              seconds: this.totalSecsLeft % 60,
              minutes: Math.floor(this.totalSecsLeft / 60) % 60,
              hours: Math.floor(this.totalSecsLeft / 60 / 60) % 24,
              days: Math.floor(this.totalSecsLeft / 60 / 60 / 24) % 7,
              daysToWeek: Math.floor(this.totalSecsLeft / 60 / 60 / 24) % 7,
              daysToMonth: Math.floor(this.totalSecsLeft / 60 / 60 / 24 % 30.4368),
              weeks: Math.floor(this.totalSecsLeft / 60 / 60 / 24 / 7),
              weeksToMonth: Math.floor(this.totalSecsLeft / 60 / 60 / 24 / 7) % 4,
              months: Math.floor(this.totalSecsLeft / 60 / 60 / 24 / 30.4368),
              years: Math.abs(this.finalDate.getFullYear() - now.getFullYear()),
              totalDays: Math.floor(this.totalSecsLeft / 60 / 60 / 24),
              totalHours: Math.floor(this.totalSecsLeft / 60 / 60),
              totalMinutes: Math.floor(this.totalSecsLeft / 60),
              totalSeconds: this.totalSecsLeft
          };
          if (!this.options.elapse && this.totalSecsLeft === 0) {
              this.stop();
              this.dispatchEvent("finish");
          } else {
              this.dispatchEvent("update");
          }
      },
      dispatchEvent: function(eventName) {
          var event = $.Event(eventName + ".countdown");
          event.finalDate = this.finalDate;
          event.elapsed = this.elapsed;
          event.offset = $.extend({}, this.offset);
          event.strftime = strftime(this.offset);
          this.$el.trigger(event);
      }
  });
  $.fn.countdown = function() {
      var argumentsArray = Array.prototype.slice.call(arguments, 0);
      return this.each(function() {
          var instanceNumber = $(this).data("countdown-instance");
          if (instanceNumber !== undefined) {
              var instance = instances[instanceNumber], method = argumentsArray[0];
              if (Countdown.prototype.hasOwnProperty(method)) {
                  instance[method].apply(instance, argumentsArray.slice(1));
              } else if (String(method).match(/^[$A-Z_][0-9A-Z_$]*$/i) === null) {
                  instance.setFinalDate.call(instance, method);
                  instance.start();
              } else {
                  $.error("Method %s does not exist on jQuery.countdown".replace(/\%s/gi, method));
              }
          } else {
              new Countdown(this, argumentsArray[0], argumentsArray[1]);
          }
      });
  };
});
