import QtQuick 2.0
import Nymea 1.0

Item {
    id: root

    property int minutesCount: 9
    property int hoursCount: 11
    property int daysCount: 6
    property int weeksCount: 12
    property int monthsCount: 11
    property int yearsCount: 5

    property var configs: ({
                               minutes: {
                                   count: minutesCount,
                                   startTime: minutesStart,
                                   sampleRate: EnergyLogs.SampleRate1Min,
                                   toLabel: minuteLabel,
                                   toLongLabel: minuteLongLabel
                               },
                               hours: {
                                   count: hoursCount,
                                   startTime: hoursStart,
                                   sampleRate: EnergyLogs.SampleRate1Hour,
                                   toLabel: hourLabel,
                                   toLongLabel: hourLongLabel
                               },
                               days: {
                                   count: daysCount,
                                   startTime: daysStart,
                                   sampleRate: EnergyLogs.SampleRate1Day,
                                   toLabel: dayLabel,
                                   toLongLabel: dayLongLabel
                               },
                               weeks: {
                                   count: weeksCount,
                                   startTime: weeksStart,
                                   sampleRate: EnergyLogs.SampleRate1Week,
                                   toLabel: weekLabel,
                                   toLongLabel: weekLongLabel
                               },
                               months: {
                                   count: monthsCount,
                                   startTime: monthsStart,
                                   sampleRate: EnergyLogs.SampleRate1Month,
                                   toLabel: monthLabel,
                                   toLongLabel: monthLongLabel
                               },
                               years: {
                                   count: yearsCount,
                                   startTime: yearStart,
                                   sampleRate: EnergyLogs.SampleRate1Year,
                                   toLabel: yearLabel,
                                   toLongLabel: yearLabel
                               }
                            })

    function calculateSampleStart(sampleEnd, sampleRate, sampleCount) {
        if (sampleCount === undefined) {
            sampleCount = 1
        }
        var sampleStart = new Date(sampleEnd)
        if (sampleRate === EnergyLogs.SampleRate1Month) {
            sampleStart.setMonth(sampleEnd.getMonth() - sampleCount)
        } else if (sampleRate === EnergyLogs.SampleRate1Year) {
            sampleStart.setFullYear(sampleEnd.getFullYear() - sampleCount)
        } else {
            sampleStart.setTime(sampleEnd.getTime() - (sampleRate * 60000 * sampleCount))
        }
        return sampleStart
    }

    function minutesStart() {
        var d = new Date();
        d.setMinutes(d.getMinutes() - minutesCount + 1, 0, 0)
        return d;
    }
    function minuteLabel(date) {
        return date.toLocaleString(Qt.locale(), "hh:mm")
    }
    function minuteLongLabel(date) {
        return date.toLocaleString(Qt.locale(), Locale.ShortFormat)
    }


    function hoursStart() {
        var d = new Date();
        d.setHours(d.getHours() - hoursCount + 1, 0, 0, 0)
        return d;
    }
    function hourLabel(date) {
        return date.toLocaleString(Qt.locale(), "hh")
    }
    function hourLongLabel(date) {
        return date.toLocaleString(Qt.locale(), Locale.ShortFormat)
    }

    function daysStart() {
        var d = new Date();
        d.setHours(0,0,0,0);
        d.setDate(d.getDate() - daysCount + 1);
        return d;
    }
    function dayLabel(date) {
        return date.toLocaleString(Qt.locale(), "ddd")
    }
    function dayLongLabel(date) {
        return date.toLocaleDateString(Qt.locale(), Locale.ShortFormat)
    }

    function weeksStart() {
        var d = new Date();
        d.setHours(0, 0, 0, 0);
        d.setDate(d.getDate() - d.getDay() - weeksCount * 7);
        return d
    }
    function weekLabel(date) {
        var yearStart = new Date(date);
        yearStart.setHours(0,0,0,0);
        yearStart.setDate(1);
        yearStart.setMonth(0);
        return Math.ceil((((date - yearStart) / 86400000) + 1)/7)
    }
    function weekLongLabel(date) {
        var endDate = new Date(date)
        endDate.setDate(endDate.getDate() + 6)
        return date.toLocaleDateString(Qt.locale(), Locale.ShortFormat) + " - " + endDate.toLocaleDateString(Qt.locale(), Locale.ShortFormat)
    }


    function monthsStart() {
        var d = new Date();
        d.setHours(0,0,0,0);
        d.setMonth(d.getMonth() - monthsCount + 1, 1);
        return d;
    }
    function monthLabel(date) {
        return date.toLocaleString(Qt.locale(), "MMM")
    }
    function monthLongLabel(date) {
        return date.toLocaleString(Qt.locale(), "MMMM yyyy")
    }

    function yearStart() {
        var d = new Date();
        d.setHours(0,0,0,0);
        d.setFullYear(d.getFullYear() - yearsCount + 1, 0, 1)
        return d;
    }
    function yearLabel(date) {
        return date.toLocaleString(Qt.locale(), "yyyy")
    }

}