/*

* # Semantic - Nag
* http://github.com/semantic-org/semantic-ui/
*
*
* Copyright 2014 Contributor
* Released under the MIT license
* http://opensource.org/licenses/MIT
*
*/

;(function ($, window, document, undefined) {

“use strict”;

$.fn.nag = function(parameters) {

var
  $allModules    = $(this),
  moduleSelector = $allModules.selector || '',

  time           = new Date().getTime(),
  performance    = [],

  query          = arguments[0],
  methodInvoked  = (typeof query == 'string'),
  queryArguments = [].slice.call(arguments, 1),
  returnedValue
;
$allModules
  .each(function() {
    var
      settings          = ( $.isPlainObject(parameters) )
        ? $.extend(true, {}, $.fn.nag.settings, parameters)
        : $.extend({}, $.fn.nag.settings),

      className       = settings.className,
      selector        = settings.selector,
      error           = settings.error,
      namespace       = settings.namespace,

      eventNamespace  = '.' + namespace,
      moduleNamespace = namespace + '-module',

      $module         = $(this),

      $close          = $module.find(selector.close),
      $context        = (settings.context)
        ? $(settings.context)
        : $('body'),

      element         = this,
      instance        = $module.data(moduleNamespace),

      moduleOffset,
      moduleHeight,

      contextWidth,
      contextHeight,
      contextOffset,

      yOffset,
      yPosition,

      timer,
      module,

      requestAnimationFrame = window.requestAnimationFrame
        || window.mozRequestAnimationFrame
        || window.webkitRequestAnimationFrame
        || window.msRequestAnimationFrame
        || function(callback) { setTimeout(callback, 0); }
    ;
    module = {

      initialize: function() {
        module.verbose('Initializing element');

        $module
          .data(moduleNamespace, module)
        ;
        $close
          .on('click' + eventNamespace, module.dismiss)
        ;

        if(settings.detachable && $module.parent()[0] !== $context[0]) {
          $module
            .detach()
            .prependTo($context)
          ;
        }

        if(settings.displayTime > 0) {
          setTimeout(module.hide, settings.displayTime);
        }
        module.show();
      },

      destroy: function() {
        module.verbose('Destroying instance');
        $module
          .removeData(moduleNamespace)
          .off(eventNamespace)
        ;
      },

      show: function() {
        if( module.should.show() && !$module.is(':visible') ) {
          module.debug('Showing nag', settings.animation.show);
          if(settings.animation.show == 'fade') {
            $module
              .fadeIn(settings.duration, settings.easing)
            ;
          }
          else {
            $module
              .slideDown(settings.duration, settings.easing)
            ;
          }
        }
      },

      hide: function() {
        module.debug('Showing nag', settings.animation.hide);
        if(settings.animation.show == 'fade') {
          $module
            .fadeIn(settings.duration, settings.easing)
          ;
        }
        else {
          $module
            .slideUp(settings.duration, settings.easing)
          ;
        }
      },

      onHide: function() {
        module.debug('Removing nag', settings.animation.hide);
        $module.remove();
        if (settings.onHide) {
          settings.onHide();
        }
      },

      dismiss: function(event) {
        if(settings.storageMethod) {
          module.storage.set(settings.key, settings.value);
        }
        module.hide();
        event.stopImmediatePropagation();
        event.preventDefault();
      },

      should: {
        show: function() {
          if(settings.persist) {
            module.debug('Persistent nag is set, can show nag');
            return true;
          }
          if( module.storage.get(settings.key) != settings.value.toString() ) {
            module.debug('Stored value is not set, can show nag', module.storage.get(settings.key));
            return true;
          }
          module.debug('Stored value is set, cannot show nag', module.storage.get(settings.key));
          return false;
        }
      },

      get: {
        storageOptions: function() {
          var
            options = {}
          ;
          if(settings.expires) {
            options.expires = settings.expires;
          }
          if(settings.domain) {
            options.domain = settings.domain;
          }
          if(settings.path) {
            options.path = settings.path;
          }
          return options;
        }
      },

      clear: function() {
        module.storage.remove(settings.key);
      },

      storage: {
        set: function(key, value) {
          var
            options = module.get.storageOptions()
          ;
          if(settings.storageMethod == 'localstorage' && window.localStorage !== undefined) {
            window.localStorage.setItem(key, value);
            module.debug('Value stored using local storage', key, value);
          }
          else if($.cookie !== undefined) {
            $.cookie(key, value, options);
            module.debug('Value stored using cookie', key, value, options);
          }
          else {
            module.error(error.noCookieStorage);
            return;
          }
        },
        get: function(key, value) {
          var
            storedValue
          ;
          if(settings.storageMethod == 'localstorage' && window.localStorage !== undefined) {
            storedValue = window.localStorage.getItem(key);
          }
          // get by cookie
          else if($.cookie !== undefined) {
            storedValue = $.cookie(key);
          }
          else {
            module.error(error.noCookieStorage);
          }
          if(storedValue == 'undefined' || storedValue == 'null' || storedValue === undefined || storedValue === null) {
            storedValue = undefined;
          }
          return storedValue;
        },
        remove: function(key) {
          var
            options = module.get.storageOptions()
          ;
          if(settings.storageMethod == 'local' && window.store !== undefined) {
            window.localStorage.removeItem(key);
          }
          // store by cookie
          else if($.cookie !== undefined) {
            $.removeCookie(key, options);
          }
          else {
            module.error(error.noStorage);
          }
        }
      },

      setting: function(name, value) {
        module.debug('Changing setting', name, value);
        if( $.isPlainObject(name) ) {
          $.extend(true, settings, name);
        }
        else if(value !== undefined) {
          settings[name] = value;
        }
        else {
          return settings[name];
        }
      },
      internal: function(name, value) {
        if( $.isPlainObject(name) ) {
          $.extend(true, module, name);
        }
        else if(value !== undefined) {
          module[name] = value;
        }
        else {
          return module[name];
        }
      },
      debug: function() {
        if(settings.debug) {
          if(settings.performance) {
            module.performance.log(arguments);
          }
          else {
            module.debug = Function.prototype.bind.call(console.info, console, settings.name + ':');
            module.debug.apply(console, arguments);
          }
        }
      },
      verbose: function() {
        if(settings.verbose && settings.debug) {
          if(settings.performance) {
            module.performance.log(arguments);
          }
          else {
            module.verbose = Function.prototype.bind.call(console.info, console, settings.name + ':');
            module.verbose.apply(console, arguments);
          }
        }
      },
      error: function() {
        module.error = Function.prototype.bind.call(console.error, console, settings.name + ':');
        module.error.apply(console, arguments);
      },
      performance: {
        log: function(message) {
          var
            currentTime,
            executionTime,
            previousTime
          ;
          if(settings.performance) {
            currentTime   = new Date().getTime();
            previousTime  = time || currentTime;
            executionTime = currentTime - previousTime;
            time          = currentTime;
            performance.push({
              'Name'           : message[0],
              'Arguments'      : [].slice.call(message, 1) || '',
              'Element'        : element,
              'Execution Time' : executionTime
            });
          }
          clearTimeout(module.performance.timer);
          module.performance.timer = setTimeout(module.performance.display, 100);
        },
        display: function() {
          var
            title = settings.name + ':',
            totalTime = 0
          ;
          time = false;
          clearTimeout(module.performance.timer);
          $.each(performance, function(index, data) {
            totalTime += data['Execution Time'];
          });
          title += ' ' + totalTime + 'ms';
          if(moduleSelector) {
            title += ' \'' + moduleSelector + '\'';
          }
          if( (console.group !== undefined || console.table !== undefined) && performance.length > 0) {
            console.groupCollapsed(title);
            if(console.table) {
              console.table(performance);
            }
            else {
              $.each(performance, function(index, data) {
                console.log(data['Name'] + ': ' + data['Execution Time']+'ms');
              });
            }
            console.groupEnd();
          }
          performance = [];
        }
      },
      invoke: function(query, passedArguments, context) {
        var
          object = instance,
          maxDepth,
          found,
          response
        ;
        passedArguments = passedArguments || queryArguments;
        context         = element         || context;
        if(typeof query == 'string' && object !== undefined) {
          query    = query.split(/[\. ]/);
          maxDepth = query.length - 1;
          $.each(query, function(depth, value) {
            var camelCaseValue = (depth != maxDepth)
              ? value + query[depth + 1].charAt(0).toUpperCase() + query[depth + 1].slice(1)
              : query
            ;
            if( $.isPlainObject( object[camelCaseValue] ) && (depth != maxDepth) ) {
              object = object[camelCaseValue];
            }
            else if( object[camelCaseValue] !== undefined ) {
              found = object[camelCaseValue];
              return false;
            }
            else if( $.isPlainObject( object[value] ) && (depth != maxDepth) ) {
              object = object[value];
            }
            else if( object[value] !== undefined ) {
              found = object[value];
              return false;
            }
            else {
              module.error(error.method, query);
              return false;
            }
          });
        }
        if ( $.isFunction( found ) ) {
          response = found.apply(context, passedArguments);
        }
        else if(found !== undefined) {
          response = found;
        }
        if($.isArray(returnedValue)) {
          returnedValue.push(response);
        }
        else if(returnedValue !== undefined) {
          returnedValue = [returnedValue, response];
        }
        else if(response !== undefined) {
          returnedValue = response;
        }
        return found;
      }
    };

    if(methodInvoked) {
      if(instance === undefined) {
        module.initialize();
      }
      module.invoke(query);
    }
    else {
      if(instance !== undefined) {
        module.destroy();
      }
      module.initialize();
    }
  })
;

return (returnedValue !== undefined)
  ? returnedValue
  : this
;

};

$.fn.nag.settings = {

name        : 'Nag',

debug       : false,
verbose     : true,
performance : true,

namespace   : 'Nag',

// allows cookie to be overriden
persist     : false,

// set to zero to require manually dismissal, otherwise hides on its own
displayTime : 0,

animation   : {
  show : 'slide',
  hide : 'slide'
},

context       : false,
detachable    : false,

expires       : 30,
domain        : false,
path          : '/',

// type of storage to use
storageMethod : 'cookie',

// value to store in dismissed localstorage/cookie
key           : 'nag',
value         : 'dismiss',

error: {
  noStorage : 'Neither $.cookie or store is defined. A storage solution is required for storing state',
  method    : 'The method you called is not defined.'
},

className     : {
  bottom : 'bottom',
  fixed  : 'fixed'
},

selector      : {
  close : '.close.icon'
},

speed         : 500,
easing        : 'easeOutQuad',

onHide: function() {}

};

})( jQuery, window , document );