@page "/admin/revenue-trackings"
@rendermode @(new InteractiveWebAssemblyRenderMode(prerender: false))
@using TaxBaik.Web.Services.AdminClients
@using TaxBaik.WasmClient.Components.Admin.Shared
@inject IRevenueTrackingBrowserClient RevenueClient
@inject IClientBrowserClient ClientClient
@inject ISnackbar Snackbar
@attribute [Authorize]

<PageTitle>수익 추적 관리</PageTitle>

<AdminPageHeader Title="수익 추적 관리" Eyebrow="CRM & 세무관리" Subtitle="청구 기록과 수익 흐름을 확인합니다." />

<AdminDataPanel Loading="@(revenues is null)" SkeletonContent="@RevenueSkeleton">
    @if (revenues is null)
    {
    }
    else if (revenues.Count == 0)
    {
        <MudAlert Severity="Severity.Info" Class="mt-4">청구 기록이 없습니다.</MudAlert>
    }
    else
    {
        <table class="admin-grid table">
            <thead>
                <tr>
                    <th>ID</th>
                    <th>고객</th>
                    <th>청구번호</th>
                    <th>청구일</th>
                    <th>청구액</th>
                </tr>
            </thead>
            <tbody>
                @foreach (var item in revenues)
                {
                    <tr>
                        <td>@item.Id</td>
                        <td>@clientMap.GetValueOrDefault(item.ClientId)</td>
                        <td>@item.InvoiceNumber</td>
                        <td>@item.InvoiceDate.ToString("yyyy-MM-dd")</td>
                        <td>@item.Amount.ToString("C")</td>
                    </tr>
                }
            </tbody>
        </table>
    }
</AdminDataPanel>

@code {
    [CascadingParameter]
    private Task<AuthenticationState>? AuthStateTask { get; set; }

    private List<RevenueTracking>? revenues;
    private List<Client> clients = [];
    private Dictionary<int, string> clientMap = new();

    private RenderFragment RevenueSkeleton => builder =>
    {
        builder.OpenComponent<AdminSkeletonRows>(0);
        builder.AddAttribute(1, "Rows", 5);
        builder.AddAttribute(2, "Columns", 5);
        builder.CloseComponent();
    };

    protected override async Task OnInitializedAsync()
    {
        if (AuthStateTask != null)
        {
            var authState = await AuthStateTask;
            if (authState.User.Identity?.IsAuthenticated == true)
            {
                await LoadData();
            }
            else
            {
                revenues = [];
            }
        }
        else
        {
            revenues = [];
        }
    }

    private async Task LoadData()
    {
        try
        {
            revenues = await RevenueClient.GetAllAsync();
            var (clientItems, _) = await ClientClient.GetPagedAsync(pageSize: 1000);
            clients = clientItems.ToList();
            clientMap = clients.ToDictionary(c => c.Id, GetClientDisplayName);
        }
        catch (Exception ex)
        {
            Snackbar.Add($"데이터 로드 실패: {ex.Message}", Severity.Error);
        }
    }

    private static string GetClientDisplayName(Client client)
        => !string.IsNullOrWhiteSpace(client.CompanyName) ? $"{client.Name} ({client.CompanyName})" : client.Name;
}