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/*! UIkit 2.26.4 | http://www.getuikit.com | (c) 2014 YOOtheme | MIT License */
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(function(addon) {
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    var component;
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    if (window.UIkit) {
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        component = addon(UIkit);
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    }
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    if (typeof define == "function" && define.amd) {
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        define("uikit-timepicker", ["uikit"], function(){
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            return component || addon(UIkit);
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        });
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    }
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})(function(UI){
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    "use strict";
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    UI.component('timepicker', {
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        defaults: {
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            format : '24h',
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            delay  : 0,
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            start  : 0,
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            end    : 24
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        },
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        boot: function() {
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            // init code
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            UI.$html.on("focus.timepicker.uikit", "[data-uk-timepicker]", function(e) {
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                var ele = UI.$(this);
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                if (!ele.data("timepicker")) {
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                    var obj = UI.timepicker(ele, UI.Utils.options(ele.attr("data-uk-timepicker")));
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                    setTimeout(function(){
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                        obj.autocomplete.input.focus();
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                    }, 40);
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                }
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            });
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        },
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        init: function() {
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            var $this  = this, times = getTimeRange(this.options.start, this.options.end), container;
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            this.options.minLength = 0;
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            this.options.template  = '<ul class="uk-nav uk-nav-autocomplete uk-autocomplete-results">{{~items}}<li data-value="{{$item.value}}"><a class="needsclick">{{$item.value}}</a></li>{{/items}}</ul>';
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            this.options.source = function(release) {
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                release(times[$this.options.format] || times['12h']);
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            };
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            if (this.element.is('input')) {
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                this.element.wrap('<div class="uk-autocomplete"></div>');
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                container = this.element.parent();
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            } else {
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                container = this.element.addClass('uk-autocomplete');
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            }
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            this.autocomplete = UI.autocomplete(container, this.options);
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            this.autocomplete.dropdown.addClass('uk-dropdown-small uk-dropdown-scrollable');
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            this.autocomplete.on('show.uk.autocomplete', function() {
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                var selected = $this.autocomplete.dropdown.find('[data-value="'+$this.autocomplete.input.val()+'"]');
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                setTimeout(function(){
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                    $this.autocomplete.pick(selected, true);
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                }, 10);
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            });
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            this.autocomplete.input.on('focus', function(){
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                $this.autocomplete.value = Math.random();
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                $this.autocomplete.triggercomplete();
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            }).on('blur', UI.Utils.debounce(function() {
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                $this.checkTime();
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            }, 100));
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            this.element.data("timepicker", this);
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        },
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        checkTime: function() {
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            var arr, timeArray, meridian = 'AM', hour, minute, time = this.autocomplete.input.val();
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            if (this.options.format == '12h') {
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                arr = time.split(' ');
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                timeArray = arr[0].split(':');
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                meridian = arr[1];
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            } else {
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                timeArray = time.split(':');
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            }
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            hour   = parseInt(timeArray[0], 10);
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            minute = parseInt(timeArray[1], 10);
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            if (isNaN(hour))   hour = 0;
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            if (isNaN(minute)) minute = 0;
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            if (this.options.format == '12h') {
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                if (hour > 12) {
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                    hour = 12;
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                } else if (hour < 0) {
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                    hour = 12;
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                }
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                if (meridian === 'am' || meridian === 'a') {
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                    meridian = 'AM';
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                } else if (meridian === 'pm' || meridian === 'p') {
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                    meridian = 'PM';
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                }
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                if (meridian !== 'AM' && meridian !== 'PM') {
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                    meridian = 'AM';
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                }
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            } else {
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                if (hour >= 24) {
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                    hour = 23;
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                } else if (hour < 0) {
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                    hour = 0;
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                }
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            }
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            if (minute < 0) {
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                minute = 0;
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            } else if (minute >= 60) {
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                minute = 0;
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            }
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            this.autocomplete.input.val(this.formatTime(hour, minute, meridian)).trigger('change');
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        },
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        formatTime: function(hour, minute, meridian) {
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            hour = hour < 10 ? '0' + hour : hour;
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            minute = minute < 10 ? '0' + minute : minute;
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            return hour + ':' + minute + (this.options.format == '12h' ? ' ' + meridian : '');
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        }
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    });
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    // helper
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    function getTimeRange(start, end) {
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        start = start || 0;
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        end   = end || 24;
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        var times = {'12h':[], '24h':[]}, i, h;
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        for (i = start, h=''; i<end; i++) {
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            h = ''+i;
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            if (i<10)  h = '0'+h;
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            times['24h'].push({value: (h+':00')});
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            times['24h'].push({value: (h+':30')});
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            if (i === 0) {
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                h = 12;
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                times['12h'].push({value: (h+':00 AM')});
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                times['12h'].push({value: (h+':30 AM')});
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            }
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            if (i > 0 && i<13 && i!==12) {
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                times['12h'].push({value: (h+':00 AM')});
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                times['12h'].push({value: (h+':30 AM')});
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            }
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            if (i >= 12) {
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                h = h-12;
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                if (h === 0) h = 12;
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                if (h < 10) h = '0'+String(h);
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                times['12h'].push({value: (h+':00 PM')});
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                times['12h'].push({value: (h+':30 PM')});
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            }
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        }
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        return times;
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    }
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});
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