using Microsoft.AspNetCore.Components;
using Plotly.Blazor;
using Plotly.Blazor.Traces;
using Schaad.Accounting.Datasets.Charts;
using Schaad.Accounting.Interfaces;

namespace Schaad.Accounting.UI.Components.Pages.Charts;

public partial class Spendings : ComponentBase
{
    private PlotlyChart chart = null!;
    private Config? config;
    private Plotly.Blazor.Layout? layout;
    private IList<ITrace>? data;

    [Inject]
    private IViewService viewService { get; set; } = null!;

    protected override async Task OnInitializedAsync()
    {
        config = ChartTheme.BaseConfig();
        layout = ChartTheme.BaseLayout("Ausgaben nach Kategorie");

        var accounts = (await viewService.GetAccountViewListAsync()).Where(a => a.Class == ClassIds.Expenses);
        var totals = accounts
            .GroupBy(a => a.SubClass)
            .Select(g => new CategoryTotal(g.First().SubClassName, g.Sum(a => a.Balance)))
            .Where(t => t.Value != 0)
            .ToList();

        data = new List<ITrace> { ChartTheme.BuildDonutTrace(ChartFormatting.FoldTail(totals)) };

        await base.OnInitializedAsync();
    }
}