@model KalenderTool.ViewModels.HomeViewModel
@using System.Globalization

@{
    CultureInfo myCI = CultureInfo.CurrentUICulture;
    Calendar myCal = myCI.Calendar;

    CalendarWeekRule myCWR = myCI.DateTimeFormat.CalendarWeekRule;
    DayOfWeek myFirstDOW = myCI.DateTimeFormat.FirstDayOfWeek;

    //Get current Week
    int week = Model.WeekNo;

    //Assign varWeek currentWeek to use as parameter in Page-navigation
    int VarWeek = week;
}

<h2>KalendarTool</h2>

@* Table for Navigation *@
<table class="table table-bordered " align="center" style="width:100%">
    <tr>
        <td style="text-align:center">
            <a href="@Url.Action("HomePage", "Home", new { @id = VarWeek-1 })"  class="btn btn-outline-dark btn-sm"><i class="fas fa-arrow-circle-left"></i> Letzte Woche </a>
        </td>
        <th style="width:20%; text-align:center">
            Kalenderwoche @VarWeek
        </th>
        <td style="text-align:center">
            <a href="@Url.Action("HomePage", "Home", new { @id = VarWeek+1 })"  class="btn btn-outline-dark btn-sm">Nächste Woche <i class="fas fa-arrow-circle-right"></i></a>
        </td>

    </tr>
</table>

    <table class="table table-bordered justify-content-center" id="reservationCalendar" align="center" style="width:100%">
        <tr>
            @{

                //GetCurrentMonth
                int currentMonth = DateTime.Now.Month;

                //Loop through every Month
                for (int month = 0; month < 12; month++)
                {
                    int currentYear = DateTime.Now.Year;
                    DateTime firstDay = new DateTime(DateTime.Now.Year, currentMonth, 1);
                    int daysInCurrentMonth = DateTime.DaysInMonth(firstDay.Year, firstDay.Month);
                    DateTime lastDay = new DateTime(currentYear, currentMonth, daysInCurrentMonth);
                    // Sunday casted to int gives 0 but that will not work for us, we need 7 to be able to calculate number of empty cells correctly
                    int dayOfWeekFirst = ((int)firstDay.DayOfWeek > 0) ? (int)firstDay.DayOfWeek : 7;
                    int dayOfWeekLast = ((int)lastDay.DayOfWeek > 0) ? (int)lastDay.DayOfWeek : 7;

                    //Loop through every Day in current Month
                    for (int i = 1; i <= daysInCurrentMonth; i++)
                    {

                        DateTime renderedDay = new DateTime(firstDay.Year, firstDay.Month, i);
                        int week1 = myCal.GetWeekOfYear(renderedDay, myCWR, myFirstDOW);

                        String DayDate = renderedDay.ToString("dd.MMM");

                        //Checks if the current Week equals the Week of the currently looped through Day and takes care that only one Week is shown
                        if (week == week1)
                        {
                            //Gets executed if the renderedDay is a Monday
                            if (renderedDay.DayOfWeek == DayOfWeek.Monday)
                            {
                                if (renderedDay < DateTime.Now)
                                {
                                <td style="width:9%; text-align:center;padding-right:0px;padding-left:0px;">

                                    <table class="table table-bordered justify-content-center" id="reservationCalendar" align="center" style="width:100%; height:100%;">
                                        <tr style="text-align:center;">Uhrzeit</tr>
                                        @{
                                            for (int d = 0; d < Model.Times.Count; d++)
                                            {
                                                <tr>
                                                    <td>
                                                        <div style="height: 25px; overflow:hidden;">

                                                            @Model.Times[d].Time1
                                                            </div>
                                                    </td>
                                                </tr>
                                            } }
                                    </table>
                                </td>
                                }
                            }
                            //Checks if current date is past or not
                            if (renderedDay < DateTime.Now)
                            {
                                    <td style="text-align:center;padding-right:0px;padding-left:0px;">
                                        @renderedDay.DayOfWeek, @DayDate
                                        <table class="table justify-content-center" style="width:100%; background-color:grey;">
                                            @{
                                                for (int s = 0; s < Model.Times.Count; s++)
                                                {
                                                    <tr>
                                                        <td>
                                                            <div style="height: 25px; overflow:hidden;">

                                                                Vergangenheit
                                                                </div>
                                                        </td>
                                                    </tr>
                                                } }
                                        </table>
                                    </td>
                            }
                            //Gets executed if Date isnt past
                            else
                            {
                                    <td style="text-align:center;padding-right:0px;padding-left:0px;">

                                            @renderedDay.DayOfWeek, @DayDate
                                            <table class="table table-bordered justify-content-center" style="width:100%">
                                                @{
                                                    for (int h = 0; h < Model.Times.Count; h++)
                                                    {
                                                        <tr>
                                                            <td>
                                                                <div style="height: 25px; overflow:hidden;">

                                                                    @{
                                                                        string DayTime = Model.Times[h].Time1;
                                                                        string DayTimeHours = DayTime.Substring(0, 2);
                                                                        string DayTimeMinutes = DayTime.Substring(DayTime.Length - 2);
                                                                        double HourDouble = Convert.ToDouble(DayTimeHours);
                                                                        double MinutesDouble = Convert.ToDouble(DayTimeMinutes);
                                                                        DateTime renderedDayWithTime = renderedDay;
                                                                        renderedDayWithTime = renderedDayWithTime.AddHours(HourDouble);
                                                                        renderedDayWithTime = renderedDayWithTime.AddMinutes(MinutesDouble);
                                                                        string ModalString = renderedDayWithTime.ToString("ddMMyyyyHHmm");
                                                                    }
                                                                    <!-- Button trigger modal -->
                                                                    <button style="margin:0px" type="button" class="btn btn-success" data-toggle="modal" data-target="#@ModalString">
                                                                        Reservieren
                                                                    </button>

                                                                    <!-- Modal -->
                                                                    <div class="modal fade" id="@ModalString" tabindex="-1" role="dialog" aria-labelledby="exampleModalCenterTitle" aria-hidden="true">
                                                                        <div class="modal-dialog modal-dialog-centered" role="document">
                                                                            <div class="modal-content">
                                                                                <div class="modal-header">

                                                                                    <h5 class="modal-title" id="exampleModalLongTitle"> @ModalString</h5>
                                                                                    <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                                                                                        <span aria-hidden="true">&times;</span>
                                                                                    </button>
                                                                                </div>

                                                                                <div class="modal-footer">
                                                                                    <button type="button" class="btn btn-secondary" data-dismiss="modal">Abbrechen</button>
                                                                                    <button type="button" class="btn btn-primary">Reservieren</button>
                                                                                </div>
                                                                            </div>
                                                                        </div>
                                                                    </div>
                                                                    </div>
                                                            </td>

                                                        </tr>
                                                    } }
                                            </table>
                                    </td>

                            }

                            if (renderedDay.DayOfWeek == DayOfWeek.Sunday)
                            {
                            @:</tr>
                        @:</table>
                        @:<table class="table table-bordered" id="reservationCalendar" align="center" frame="border" style="width:100%">
                            @:<tr>
                            }

                        }
                    }
                    currentMonth = currentMonth + 1;
                }
            }
        </tr>
    </table>