@page "/summary"
@page "/summary/{YearMonth}"
@attribute [Authorize]
@rendermode InteractiveServer

@inject IWorkDayService WorkDayService

<PageTitle>Monthly Summary</PageTitle>

<h1>Monthly Summary</h1>

<div class="d-flex align-items-center gap-2 mb-3">
    <button class="btn btn-outline-secondary btn-sm" @onclick="PreviousMonth">&laquo; Prev</button>
    <h2 class="h5 mb-0">@currentMonth.ToString("MMMM yyyy")</h2>
    <button class="btn btn-outline-secondary btn-sm" @onclick="NextMonth">Next &raquo;</button>
</div>

<div class="form-check mb-3">
    <input id="include-preview" type="checkbox" class="form-check-input" checked="@includePreview" @onchange="OnIncludePreviewChanged" />
    <label class="form-check-label" for="include-preview">Include preview work units in totals</label>
</div>

@if (loading)
{
    <p><em>Loading...</em></p>
}
else if (summary is not null)
{
    <div class="row g-3">
        <div class="col-6 col-md-4 col-xl-3">
            <div class="card text-center h-100">
                <div class="card-body">
                    <div class="text-muted small">Working Days</div>
                    <div class="fs-3 fw-bold">@summary.TotalWorkingDays</div>
                </div>
            </div>
        </div>
        <div class="col-6 col-md-4 col-xl-3">
            <div class="card text-center h-100">
                <div class="card-body">
                    <div class="text-muted small">Counted Work Units</div>
                    <div class="fs-3 fw-bold">@summary.CountedWorkUnits</div>
                </div>
            </div>
        </div>
        <div class="col-6 col-md-4 col-xl-3">
            <div class="card text-center h-100">
                <div class="card-body">
                    <div class="text-muted small">Total Worked Hours</div>
                    <div class="fs-3 fw-bold">@FormatHours(summary.TotalWorkedHours)</div>
                </div>
            </div>
        </div>
        <div class="col-6 col-md-4 col-xl-3">
            <div class="card text-center h-100">
                <div class="card-body">
                    <div class="text-muted small">Preview Hours</div>
                    <div class="fs-3 fw-bold">@FormatHours(summary.TotalPreviewWorkedHours)</div>
                </div>
            </div>
        </div>
        <div class="col-6 col-md-4 col-xl-3">
            <div class="card text-center h-100">
                <div class="card-body">
                    <div class="text-muted small">Preview Units</div>
                    <div class="fs-3 fw-bold">@summary.PreviewWorkUnits</div>
                </div>
            </div>
        </div>
        <div class="col-6 col-md-4 col-xl-3">
            <div class="card text-center h-100">
                <div class="card-body">
                    <div class="text-muted small">Hours Off</div>
                    <div class="fs-3 fw-bold">@FormatHours(summary.TotalHoursOff)</div>
                </div>
            </div>
        </div>
        <div class="col-6 col-md-4 col-xl-3">
            <div class="card text-center h-100 border-success">
                <div class="card-body">
                    <div class="text-muted small">Gross Income</div>
                    <div class="fs-3 fw-bold text-success">€@summary.TotalGrossIncome.ToString("N2")</div>
                </div>
            </div>
        </div>
        <div class="col-6 col-md-4 col-xl-3">
            <div class="card text-center h-100 border-primary">
                <div class="card-body">
                    <div class="text-muted small">Net Income</div>
                    <div class="fs-3 fw-bold text-primary">€@summary.TotalNetIncome.ToString("N2")</div>
                </div>
            </div>
        </div>
        <div class="col-6 col-md-4 col-xl-3">
            <div class="card text-center h-100">
                <div class="card-body">
                    <div class="text-muted small">Office Days</div>
                    <div class="fs-3 fw-bold">@summary.OfficeDays</div>
                </div>
            </div>
        </div>
        <div class="col-6 col-md-4 col-xl-3">
            <div class="card text-center h-100">
                <div class="card-body">
                    <div class="text-muted small">Home Days</div>
                    <div class="fs-3 fw-bold">@summary.HomeDays</div>
                </div>
            </div>
        </div>
        <div class="col-6 col-md-4 col-xl-3">
            <div class="card text-center h-100">
                <div class="card-body">
                    <div class="text-muted small">Holidays</div>
                    <div class="fs-3 fw-bold">@summary.HolidayDays</div>
                </div>
            </div>
        </div>
        <div class="col-6 col-md-4 col-xl-3">
            <div class="card text-center h-100">
                <div class="card-body">
                    <div class="text-muted small">Closure Days</div>
                    <div class="fs-3 fw-bold">@summary.ClosureDays</div>
                </div>
            </div>
        </div>
        <div class="col-6 col-md-4 col-xl-3">
            <div class="card text-center h-100">
                <div class="card-body">
                    <div class="text-muted small">Days Off</div>
                    <div class="fs-3 fw-bold">@summary.DaysOff</div>
                </div>
            </div>
        </div>
        <div class="col-6 col-md-4 col-xl-3">
            <div class="card text-center h-100">
                <div class="card-body">
                    <div class="text-muted small">Sick Days</div>
                    <div class="fs-3 fw-bold">@summary.SickDays</div>
                </div>
            </div>
        </div>
    </div>
}

@code {
    [Parameter] public string? YearMonth { get; set; }

    private DateOnly currentMonth;
    private bool loading = true;
    private bool includePreview;
    private MonthlySummaryModel? summary;

    protected override async Task OnInitializedAsync()
    {
        if (!string.IsNullOrEmpty(YearMonth) && DateTime.TryParseExact(YearMonth, "yyyy-MM", null, System.Globalization.DateTimeStyles.None, out var parsed))
        {
            currentMonth = new DateOnly(parsed.Year, parsed.Month, 1);
        }
        else
        {
            currentMonth = new DateOnly(DateTime.Today.Year, DateTime.Today.Month, 1);
        }

        await LoadSummary();
    }

    private async Task OnIncludePreviewChanged(ChangeEventArgs e)
    {
        includePreview = e.Value is bool value && value;
        await LoadSummary();
    }

    private async Task LoadSummary()
    {
        loading = true;
        summary = await WorkDayService.GetMonthlySummaryAsync(currentMonth.Year, currentMonth.Month, includePreview);
        loading = false;
    }

    private async Task PreviousMonth()
    {
        currentMonth = currentMonth.AddMonths(-1);
        await LoadSummary();
    }

    private async Task NextMonth()
    {
        currentMonth = currentMonth.AddMonths(1);
        await LoadSummary();
    }

    private static string FormatHours(decimal value)
    {
        var totalMinutes = (int)Math.Round(value * 60m, MidpointRounding.AwayFromZero);
        var hours = totalMinutes / 60;
        var minutes = totalMinutes % 60;
        return $"{hours:00}:{minutes:00}";
    }
}