@using Indotalent.Features.Payroll.Deduction
@using Indotalent.Features.Payroll.Deduction.Cqrs
@using Indotalent.Shared.Utils
@using MudBlazor
@inject DeductionService DeductionService
@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;">Add Deduction Component</MudText>
            <MudText Typo="Typo.body2" Style="color: #64748b;">Define new deduction element for payroll calculation.</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">Component Code</MudText>
                <MudTextField @bind-Value="_model.Code"
                              For="@(() => _model.Code)"
                              Validation="@(_validator.ValidateValue())"
                              Variant="Variant.Outlined" Margin="Margin.Dense" FullWidth="true" Placeholder="e.g. DED-01" />
            </MudItem>
            <MudItem xs="12" sm="6">
                <MudText Typo="Typo.subtitle2" Class="mb-1">Component Name</MudText>
                <MudTextField @bind-Value="_model.Name"
                              For="@(() => _model.Name)"
                              Validation="@(_validator.ValidateValue())"
                              Variant="Variant.Outlined" Margin="Margin.Dense" FullWidth="true" Placeholder="e.g. Income Tax" />
            </MudItem>
            <MudItem xs="12" sm="6">
                <MudText Typo="Typo.subtitle2" Class="mb-1">Category</MudText>
                <MudSelect @bind-Value="_model.Category"
                           For="@(() => _model.Category)"
                           Variant="Variant.Outlined" Margin="Margin.Dense" Dense="true">
                    <MudSelectItem Value="@("Statutory")">Statutory</MudSelectItem>
                    <MudSelectItem Value="@("Loan")">Loan</MudSelectItem>
                    <MudSelectItem Value="@("Penalty")">Penalty</MudSelectItem>
                    <MudSelectItem Value="@("Internal")">Internal</MudSelectItem>
                </MudSelect>
            </MudItem>
            <MudItem xs="12" sm="6">
                <MudText Typo="Typo.subtitle2" Class="mb-1">Tax Treatment</MudText>
                <div style="height: 40px; display: flex; align-items: center;">
                    <MudCheckBox @bind-Value="_model.PreTax"
                                 Label="Is Pre-Tax Deduction"
                                 Color="Color.Primary"
                                 Dense="true" />
                </div>
            </MudItem>
            <MudItem xs="12" sm="6">
                <MudText Typo="Typo.subtitle2" Class="mb-1">Calculation Method</MudText>
                <MudTextField @bind-Value="_model.CalculationMethod"
                              For="@(() => _model.CalculationMethod)"
                              Validation="@(_validator.ValidateValue())"
                              Variant="Variant.Outlined" Margin="Margin.Dense" FullWidth="true" Placeholder="e.g. Fixed Amount" />
            </MudItem>
            <MudItem xs="12" sm="6">
                <MudText Typo="Typo.subtitle2" Class="mb-1">Status</MudText>
                <MudSelect @bind-Value="_model.Status"
                           For="@(() => _model.Status)"
                           Variant="Variant.Outlined" Margin="Margin.Dense" Dense="true">
                    <MudSelectItem Value="@("Active")">Active</MudSelectItem>
                    <MudSelectItem Value="@("Inactive")">Inactive</MudSelectItem>
                </MudSelect>
            </MudItem>
            <MudItem xs="12">
                <MudText Typo="Typo.subtitle2" Class="mb-1">Description</MudText>
                <MudTextField @bind-Value="_model.Description"
                              For="@(() => _model.Description)"
                              Variant="Variant.Outlined" Margin="Margin.Dense" Lines="3" 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"
                       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" Typo="Typo.button" Style="text-transform: none !important;">Processing...</MudText>
                }
                else
                {
                    <MudText>Create Component</MudText>
                }
            </MudButton>
        </div>
    </MudForm>
</MudPaper>

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

    private MudForm _form = default!;
    private CreateDeductionValidator _validator = new();
    private CreateDeductionRequest _model = new() { Category = "Statutory", Status = "Active", PreTax = false };
    private bool _processing = false;

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

        _processing = true;
        try
        {
            var response = await DeductionService.CreateDeductionAsync(_model);
            await Task.Delay(500);

            if (response != null && response.IsSuccess)
            {
                Snackbar.Add("Deduction component created successfully", Severity.Success);
                await OnSuccess.InvokeAsync();
            }
        }
        catch (Exception ex)
        {
            Snackbar.Add($"Error: {ex.Message}", Severity.Error);
        }
        finally
        {
            _processing = false;
        }
    }
}