angular.module('starter')
    .filter('frequency', function(){
        return function(value){
            var reverseFrequencyChart = {
                43200: "every 12 hours",
                28800: "every 8 hours",
                21600: "every 6 hours",
                14400: "every 4 hours",
                10800: "every 3 hours",
                7200: "every 2 hours",
                3600: "hourly",
                1800: "every 30 minutes",
                60: "every minute",
                0: "never"
            };
            return reverseFrequencyChart[value];
        };
    })
    .filter('range', function(){
        return function(arr, lower, upper){
            for(var i = lower; i <= upper; i++){
                arr.push(i);
            }
            return arr;
        };
    })
    .filter('fromUnixTimestampToLocalTimeOfDay', function(){
        return function(epochTime){
            if(epochTime){
                return moment(epochTime * 1000).format('h:mm A');
            }else{
                return "";
            }
        };
    })
    .filter('fromTwentyFourToTwelveHourFormat', function(){
        return function(twentyFourHourFormatString){
            var twentyFourHourFormatSetting = "HH:mm:ss";
            if(twentyFourHourFormatString){
                return moment(twentyFourHourFormatString, twentyFourHourFormatSetting).format('h:mm A');
            }else{
                return "";
            }
        };
    })
    .filter('fromNow', function(){
        return function(value){
            if(value){
                var d = new Date(value * 1000);
                return moment(d).fromNow();
            }
            return "";
        };
    })
    .filter('fromNowISO8601', function(){
        return function(isoString){
            if(isoString){
                return moment(isoString).fromNow();
            }
            return "";
        };
    })
    .filter('fromUtcToLocalDate', function(){
        var localDateAndTime;
        return function(epochTime){
            if(epochTime){
                if(typeof epochTime === "number"){
                    localDateAndTime = moment(epochTime * 1000).format(" dddd, MMM Do");
                    return localDateAndTime;
                }
                localDateAndTime = moment.utc(epochTime).local().format(" dddd, MMMM Do");
                return localDateAndTime;
            }
            return "";
        };
    })
    .filter('fromUtcToLocalDateAndTime', function(){
        var localDateAndTime;
        return function(epochTime){
            if(epochTime){
                if(typeof epochTime === "number"){
                    localDateAndTime = moment(epochTime * 1000).format(" h:mm a dddd, MMM Do");
                    return localDateAndTime;
                }
                localDateAndTime = moment.utc(epochTime).local().format(" h:mm a ddd, MMMM Do");
                return localDateAndTime;
            }
            return "";
        };
    })
    .filter('fromUtcToLocalDateAndTimeCompact', function(){
        var localDateAndTime;
        return function(epochTime){
            if(epochTime){
                if(typeof epochTime === "number"){
                    localDateAndTime = moment(epochTime * 1000).format(" h A dddd, MMM Do");
                    return localDateAndTime;
                }
                localDateAndTime = moment.utc(epochTime).local().format(" h A dddd, MMM Do");
                return localDateAndTime;
            }
            return "";
        };
    })
    .filter('groupRemindersByDateRanges', function(){
        return function(reminders){
            var result = [];
            var reference = moment().local();
            var today = reference.clone().startOf('day');
            var yesterday = reference.clone().subtract(1, 'days').startOf('day');
            var weekold = reference.clone().subtract(7, 'days').startOf('day');
            var monthold = reference.clone().subtract(30, 'days').startOf('day');
            var todayResult = reminders.filter(function(reminder){
                return moment.utc(reminder.trackingReminderNotificationTime).local().isSame(today, 'd') === true;
            });
            if(todayResult.length){
                result.push({name: "Today", reminders: todayResult});
            }
            var yesterdayResult = reminders.filter(function(reminder){
                return moment.utc(reminder.trackingReminderNotificationTime).local().isSame(yesterday, 'd') === true;
            });
            if(yesterdayResult.length){
                result.push({name: "Yesterday", reminders: yesterdayResult});
            }
            var last7DayResult = reminders.filter(function(reminder){
                var date = moment.utc(reminder.trackingReminderNotificationTime).local();
                return date.isAfter(weekold) === true && date.isSame(yesterday, 'd') !== true && date.isSame(today, 'd') !== true;
            });
            if(last7DayResult.length){
                result.push({name: "Last 7 Days", reminders: last7DayResult});
            }
            var last30DayResult = reminders.filter(function(reminder){
                var date = moment.utc(reminder.trackingReminderNotificationTime).local();
                return date.isAfter(monthold) === true && date.isBefore(weekold) === true && date.isSame(yesterday, 'd') !== true && date.isSame(today, 'd') !== true;
            });
            if(last30DayResult.length){
                result.push({name: "Last 30 Days", reminders: last30DayResult});
            }
            var olderResult = reminders.filter(function(reminder){
                return moment.utc(reminder.trackingReminderNotificationTime).local().isBefore(monthold) === true;
            });
            if(olderResult.length){
                result.push({name: "Older", reminders: olderResult});
            }
            return result;
        };
    })
    .filter('reminderTimes', function(){
        "use strict";
        return function(reminder){
            var parseDate = function(reminderTimeUtc){
                var now = new Date();
                var hourOffsetFromUtc = now.getTimezoneOffset() / 60;
                var parsedReminderTimeUtc = reminderTimeUtc.split(':');
                var minutes = parsedReminderTimeUtc[1];
                var hourUtc = parseInt(parsedReminderTimeUtc[0]);
                var localHour = hourUtc - parseInt(hourOffsetFromUtc);
                if(localHour > 23){
                    localHour = localHour - 24;
                }
                if(localHour < 0){
                    localHour = localHour + 24;
                }
                return moment().hours(localHour).minutes(minutes);
            };
            if(reminder.reminderFrequency === 86400){
                if(!reminder.reminderStartTime){
                    reminder.reminderStartTime = '00:00:00';
                }
                return 'daily at ' + parseDate(reminder.reminderStartTime).format("h:mm A");
            }
            return reminder.frequencyTextDescription;
        };
    })
    .filter('percentage', function(){
        return function(value){
            var track_factors = {
                "1": 0,
                "2": 25,
                "3": 50,
                "4": 75,
                "5": 100
            };
            return track_factors[value] ? track_factors[value] : 0;
        };
    })
    .filter('positiveImageByValue', ["qmService", function(qmService){
        return function(ratingValue){
            return qmService.getPositiveImageByRatingValue(ratingValue);
        };
    }])
    .filter('negativeImageByValue', ["qmService", function(qmService){
        return function(ratingValue){
            return qmService.getNegativeImageByRatingValue(ratingValue);
        };
    }])
    .filter('numericImageByValue', ["qmService", function(qmService){
        return function(ratingValue){
            return qmService.getNumericImageByRatingValue(ratingValue);
        };
    }])
    .filter('PrimaryOutcomeVariableByNumber', ["qmService", function(qmService){
        return function(value){
            return qm.getPrimaryOutcomeVariableByNumber(value);
        };
    }])
    .filter('time', function(){
        return function(time){
            if(time){
                if(typeof time === "number"){
                    return moment(time * 1000).format("MMM Do YYYY, h:mm a").split(/,/g);
                }
                return moment.utc(time).local().format("dddd, MMMM Do YYYY, h:mm:ss a").split(/,/g);
            }
            return "";
        };
    })
    .filter('timeDateOneLine', function(){
        return function(time){
            if(time){
                if(typeof time === "number"){
                    return moment(time * 1000).format("h:mm a MMM Do YYYY").split(/,/g);
                }
                return moment.utc(time).local().format("h:mm a dddd MMMM Do YYYY").split(/,/g);
            }
            return "";
        };
    })
    .filter('timeDayDate', function(){
        return function(time){
            if(time){
                if(typeof time === "number"){
                    return moment(time * 1000).format("h:mm a dddd MMM Do YYYY").split(/,/g);
                }
                return moment.utc(time).local().format("dddd h:mm a dddd MMMM Do YYYY").split(/,/g);
            }
            return "";
        };
    })
    .filter('timeOfDay', function(){
        return function(time){
            if(time){
                var mom = qm.timeHelper.toLocalMoment(time);
                return mom.format("h:mmA");
            }
            return "";
        };
    })
    .filter('timeOfDayDayOfWeek', function(){
        return function(time){
            if(time){
                var mom = qm.timeHelper.toLocalMoment(time);
                return mom.format("h:mm a dddd").split(/,/g);
            }
            return "";
        };
    })
    .filter('timeOfDayDayOfWeekNoArray', function(){
        return function(time){
            if(time){
                var mom = qm.timeHelper.toLocalMoment(time);
                return mom.format("h:mm a dddd");
            }
            return "";
        };
    })
    .filter('timeOfDayDayOfWeekDate', function(){
        return function(time){
            if(time){
                var mom = qm.timeHelper.toLocalMoment(time);
                return mom.format("h:mm a dddd, MMMM Do YYYY");
            }
            return "";
        };
    })
    .filter('justDate', function(){
        return function(time){
            if(time){
                var mom = qm.timeHelper.toLocalMoment(time);
                return mom.format("MMMM Do YYYY").split(/,/g);
            }
            return "";
        };
    })
    .filter('justDateNoArray', function(){
        return function(time){
            if(time){
                var mom = qm.timeHelper.toLocalMoment(time);
                return mom.format("MMMM Do YYYY");
            }
            return "";
        };
    })
    .filter('dayOfWeekAndDate', function(){
        return function(time){
            if(time){
                var mom = qm.timeHelper.toLocalMoment(time);
                return mom.format("ddd, MMM Do, YYYY");
            }
            return "";
        };
    })
    .filter('reminderTime', function(){
        return function(time){
            if(time){
                var mom = qm.timeHelper.toLocalMoment(time);
                return mom.calendar();
            }
            return "";
        };
    })
    .filter('reminderStartTimeUtcToLocal', function(){
        return function(reminderStartTime){
            if(reminderStartTime){
                var reminderStartTimeStringUtc = reminderStartTime + " +0000";
                var reminderStartTimeFormat = "HH:mm:ss Z";
                return moment(reminderStartTimeStringUtc, reminderStartTimeFormat).format("h:mm a");
            }
            return "";
        };
    })
    .filter('unique', function(){
        return function(collection, keyname){
            var output = [], keys = [];
            angular.forEach(collection, function(item){
                var key = item[keyname];
                if(keys.indexOf(key) === -1){
                    keys.push(key);
                    output.push(item);
                }
            });
            return output;
        };
    })
    // returns the Image string against value
    .filter('wordAliases', function(){
        return qm.appsManager.replaceWithAliases
    })
    .filter('useHttps', function(){
        return function(originalName){
            if(!originalName){
                return originalName;
            }
            return originalName.replace("http://", "https://");
        };
    })
    .filter('truncateText', function(){
        return function(originalText){
            if(originalText.length > 25){
                return originalText.substring(0, 25) + '...';
            }
            return originalText;
        };
    })
    .filter('capitalizeFirstLetter', function(){
        return function(input){
            return (input) ? input.charAt(0).toUpperCase() + input.substr(1).toLowerCase() : '';
        };
    })
    .filter('camelCaseToTitleCase', function(){
        return function(input){
            if(!input || typeof input !== "string"){
                return input;
            }
            var result = input.replace('app.', '');
            result = result.replace(/([A-Z])/g, " $1");
            return result.charAt(0).toUpperCase() + result.slice(1); // capitalize the first letter - as an example.
        };
    })
    .filter('ionIconDisplayName', function(){
        return function(name){
            if(!name || typeof name !== "string"){
                return name;
            }
            name = name.replace('ion-', '');
            name = name.replace('android-', '');
            name = name.replace('ios-', '');
            name = name.split('-').join(' ');
            var splitStr = name.toLowerCase().split(' ');
            for(var i = 0; i < splitStr.length; i++){
                splitStr[i] = splitStr[i].charAt(0).toUpperCase() + splitStr[i].substring(1);
            }
            return splitStr.join(' ');
        };
    })
    .filter('prettyJSON', function(){
        function prettyPrintJson(json){
            return JSON ? JSON.stringify(json, null, '  ') : 'your browser doesnt support JSON so cant pretty print';
        }
        return prettyPrintJson;
    });