@using Indotalent.ConfigBackEnd.Extensions
@using Indotalent.Features.Inventory.Product
@using Indotalent.Features.Inventory.Product.Cqrs
@using Indotalent.Shared.Utils
@using MudBlazor
@inject ProductService ProductService
@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;">@(ReadOnly ? "Product Details" : "Edit Product")</MudText>
            <MudText Typo="Typo.body2" Style="color: #64748b;">@(ReadOnly ? "Viewing product specification." : "Modify existing product information.")</MudText>
        </div>
    </div>
</MudPaper>

<MudPaper Elevation="0" Outlined="true" Class="pa-8" Style="border-radius: 4px; border: 1px solid #DCEBFA;">
    @if (_isDataLoading)
    {
        <div class="d-flex justify-center pa-10">
            <MudProgressCircular Color="Color.Primary" Indeterminate="true" />
        </div>
    }
    else
    {
        <MudForm @ref="_form" Model="_model">
            <MudGrid Spacing="3">
                <MudItem xs="12" sm="6">
                    <MudText Typo="Typo.subtitle2" Class="mb-1">Product Name</MudText>
                    <MudTextField @bind-Value="_model.Name" For="@(() => _model.Name)" Validation="@(_validator.ValidateValue())" ReadOnly="ReadOnly" Variant="Variant.Outlined" Margin="Margin.Dense" FullWidth="true" />
                </MudItem>
                <MudItem xs="12" sm="6">
                    <MudText Typo="Typo.subtitle2" Class="mb-1">Unit Price</MudText>
                    <MudNumericField @bind-Value="_model.UnitPrice" For="@(() => _model.UnitPrice)" ReadOnly="ReadOnly" Variant="Variant.Outlined" Margin="Margin.Dense" FullWidth="true" HideSpinButtons="true" />
                </MudItem>
                <MudItem xs="12" sm="6">
                    <MudText Typo="Typo.subtitle2" Class="mb-1">Product Group</MudText>
                    <MudSelect @bind-Value="_model.ProductGroupId"
                               For="@(() => _model.ProductGroupId)"
                               ReadOnly="ReadOnly"
                               Variant="Variant.Outlined"
                               Margin="Margin.Dense"
                               FullWidth="true"
                               Dense="true"
                               AnchorOrigin="Origin.BottomCenter"
                               TransformOrigin="Origin.TopCenter">
                        @foreach (var item in _lookupData.ProductGroups)
                        {
                            <MudSelectItem Value="@item.Id">@item.Name</MudSelectItem>
                        }
                    </MudSelect>
                </MudItem>
                <MudItem xs="12" sm="6">
                    <MudText Typo="Typo.subtitle2" Class="mb-1">Unit of Measure</MudText>
                    <MudSelect @bind-Value="_model.UnitMeasureId"
                               For="@(() => _model.UnitMeasureId)"
                               ReadOnly="ReadOnly"
                               Variant="Variant.Outlined"
                               Margin="Margin.Dense"
                               FullWidth="true"
                               Dense="true"
                               AnchorOrigin="Origin.BottomCenter"
                               TransformOrigin="Origin.TopCenter">
                        @foreach (var item in _lookupData.UnitMeasures)
                        {
                            <MudSelectItem Value="@item.Id">@item.Name</MudSelectItem>
                        }
                    </MudSelect>
                </MudItem>
                <MudItem xs="12" sm="6">
                    <MudCheckBox @bind-Value="_model.Physical" Label="Physical Product" Color="Color.Primary" Dense="true" ReadOnly="ReadOnly" Style="font-weight: 700;" />
                </MudItem>
                <MudItem xs="12">
                    <MudText Typo="Typo.subtitle2" Class="mb-1">Description</MudText>
                    <MudTextField @bind-Value="_model.Description" For="@(() => _model.Description)" ReadOnly="ReadOnly" Variant="Variant.Outlined" Margin="Margin.Dense" Lines="3" FullWidth="true" />
                </MudItem>

                <MudItem xs="12" Class="mt-4">
                    <MudText Typo="Typo.button" Color="Color.Primary" Style="font-weight: 800;">Audit History</MudText>
                    <MudDivider Class="mt-2 mb-4" />
                </MudItem>
                <MudItem xs="12" sm="6">
                    <MudText Typo="Typo.subtitle2">Created At</MudText>
                    <MudText Typo="Typo.body2" Style="color: #1a1a1a; font-weight: 600;">@DateTimeExtensions.ToString(_model.CreatedAt)</MudText>
                </MudItem>
                <MudItem xs="12" sm="6">
                    <MudText Typo="Typo.subtitle2">Created By</MudText>
                    <MudText Typo="Typo.body2" Style="color: #1a1a1a; font-weight: 600;">@(!string.IsNullOrEmpty(_model.CreatedBy) ? _model.CreatedBy : "System")</MudText>
                </MudItem>
                <MudItem xs="12" sm="6">
                    <MudText Typo="Typo.subtitle2">Last Updated At</MudText>
                    <MudText Typo="Typo.body2" Style="color: #1a1a1a; font-weight: 600;">@DateTimeExtensions.ToString(_model.UpdatedAt)</MudText>
                </MudItem>
                <MudItem xs="12" sm="6">
                    <MudText Typo="Typo.subtitle2">Last Updated By</MudText>
                    <MudText Typo="Typo.body2" Style="color: #1a1a1a; font-weight: 600;">@(!string.IsNullOrEmpty(_model.UpdatedBy) ? _model.UpdatedBy : "System")</MudText>
                </MudItem>
            </MudGrid>
            <div class="d-flex justify-end gap-2 mt-10">
                <MudButton OnClick="() => OnCancel.InvokeAsync()" Variant="Variant.Outlined" Disabled="_processing" Style="border-radius: 4px; text-transform: none; font-weight: 700;border: 1px solid #e0e0e0;">@(ReadOnly ? "Back to List" : "Cancel")</MudButton>
                @if (!ReadOnly)
                {
                    <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">Updating...</MudText>
                        }
                        else
                        {
                            <MudText>Save Changes</MudText>
                        }
                    </MudButton>
                }
            </div>
        </MudForm>
    }
</MudPaper>

@code {
    [Parameter] public UpdateProductRequest Data { get; set; } = new();
    [Parameter] public bool ReadOnly { get; set; } = false;
    [Parameter] public EventCallback OnCancel { get; set; }
    [Parameter] public EventCallback OnSuccess { get; set; }
    private MudForm _form = default!;
    private UpdateProductValidator _validator = new();
    private UpdateProductRequest _model = new();
    private LookupProductResponse _lookupData = new();
    private bool _processing = false;
    private bool _isDataLoading = true;

    protected override async Task OnInitializedAsync()
    {
        _isDataLoading = true;
        try
        {
            var response = await ProductService.GetProductLookupAsync();
            if (response != null && response.IsSuccess)
            {
                _lookupData = response.Value!;
            }

            _model = new UpdateProductRequest
            {
                Id = Data.Id,
                Name = Data.Name,
                Description = Data.Description,
                UnitPrice = Data.UnitPrice,
                Physical = Data.Physical,
                UnitMeasureId = Data.UnitMeasureId,
                ProductGroupId = Data.ProductGroupId,
                CreatedAt = Data.CreatedAt,
                CreatedBy = Data.CreatedBy,
                UpdatedAt = Data.UpdatedAt,
                UpdatedBy = Data.UpdatedBy
            };
        }
        finally
        {
            _isDataLoading = false;
        }
    }

    private async Task Submit()
    {
        if (ReadOnly) return;
        await _form.Validate();
        if (!_form.IsValid) return;
        _processing = true;
        try
        {
            var response = await ProductService.UpdateProductAsync(_model);
            await Task.Delay(500);
            if (response != null && response.IsSuccess)
            {
                Snackbar.Add("Product updated successfully", Severity.Success);
                await OnSuccess.InvokeAsync();
            }
        }
        finally
        {
            _processing = false;
        }
    }
}