@using Indotalent.Features.Payroll.Payrolls
@using Indotalent.Features.Payroll.Payrolls.Cqrs
@using MudBlazor
@inject PayrollsService PayrollsService
@inject ISnackbar Snackbar

<MudPaper Elevation="0" Square="true" Class="pa-6 mb-3 d-flex align-center justify-space-between" Style="border: 1px solid #DCEBFA;">
    <div class="d-flex align-center gap-4">
        <MudIconButton Icon="@Icons.Material.Filled.ArrowBack" OnClick="() => OnCancel.InvokeAsync()" />
        <div>
            <MudText Typo="Typo.h5" Style="font-weight: 900; color: #1a1a1a;">Calculate New Payroll</MudText>
            <MudText Typo="Typo.body2" Style="color: #64748b;">Specify the period to run the salary engine for all active employees.</MudText>
        </div>
    </div>
</MudPaper>

<MudPaper Elevation="0" Outlined="true" Class="pa-8" Style="border-radius: 0px; border: 1px solid #DCEBFA;">
    <MudForm @ref="_form" Model="_model">
        <MudGrid Spacing="3">
            <MudItem xs="12" sm="6">
                <MudText Typo="Typo.subtitle2" Class="mb-1">Period Name</MudText>
                <MudTextField @bind-Value="_model.PeriodName"
                              Placeholder="e.g. March 2026"
                              Variant="Variant.Outlined" Margin="Margin.Dense" FullWidth="true" />
            </MudItem>
            <MudItem xs="12" sm="3">
                <MudText Typo="Typo.subtitle2" Class="mb-1">From Date</MudText>
                <MudDatePicker @bind-Date="_model.FromDate" Editable="true" Placeholder="Start Date" Variant="Variant.Outlined" Margin="Margin.Dense" Required="true"/>
            </MudItem>
            <MudItem xs="12" sm="3">
                <MudText Typo="Typo.subtitle2" Class="mb-1">To Date</MudText>
                <MudDatePicker @bind-Date="_model.ToDate" Editable="true" Placeholder="End Date" Variant="Variant.Outlined" Margin="Margin.Dense" Required="true"/>
            </MudItem>
            <MudItem xs="12">
                <MudText Typo="Typo.subtitle2" Class="mb-1">Description / Notes</MudText>
                <MudTextField @bind-Value="_model.Description"
                              Lines="3"
                              Variant="Variant.Outlined" Margin="Margin.Dense" FullWidth="true" />
            </MudItem>
        </MudGrid>

        <div class="d-flex justify-end gap-2 mt-8">
            <MudButton OnClick="() => OnCancel.InvokeAsync()"
                       Variant="Variant.Outlined"
                       Disabled="_processing"
                       Style="border: 1px solid #e0e0e0; border-radius: 4px; text-transform: none; font-weight: 700;">
                Cancel
            </MudButton>
            <MudButton Color="Color.Primary"
                       Variant="Variant.Filled"
                       OnClick="Submit"
                       Disabled="_processing"
                       StartIcon="@Icons.Material.Filled.PlayArrow"
                       Style="border-radius: 4px; text-transform: none; font-weight: 700;">
                @if (_processing)
                {
                    <MudProgressCircular Class="ms-n1" Size="Size.Small" Indeterminate="true" />
                    <MudText Class="ms-2">Executing Engine...</MudText>
                }
                else
                {
                    <MudText>Run Calculation</MudText>
                }
            </MudButton>
        </div>
    </MudForm>
</MudPaper>

@code {
    [Parameter] public EventCallback OnCancel { get; set; }
    [Parameter] public EventCallback OnSuccess { get; set; }

    private MudForm _form = default!;
    private CreatePayrollProcessRequest _model = new()
    {
        FromDate = new DateTime(DateTime.Now.Year, DateTime.Now.Month, 1),
        ToDate = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.DaysInMonth(DateTime.Now.Year, DateTime.Now.Month))
    };
    private bool _processing = false;

    private async Task Submit()
    {
        await _form.Validate();
        if (!_form.IsValid) return;

        _processing = true;
        try
        {
            var response = await PayrollsService.CreatePayrollProcessAsync(_model);
            if (response != null && response.IsSuccess)
            {
                Snackbar.Add("Payroll has been calculated successfully", Severity.Success);
                await OnSuccess.InvokeAsync();
            }
        }
        catch (Exception ex)
        {
            Snackbar.Add($"Error: {ex.Message}", Severity.Error);
        }
        finally
        {
            _processing = false;
        }
    }
}