@page "/"
@using BattSim.Models
@using BattSim.Services

<PageTitle>BattSim</PageTitle>

<h1>BattSim</h1>

<p>Upload your fluvius daily csv file here.</p>
<InputFile OnChange="LoadCsvFile" accept=".csv"/>
@if (_isLoading){ <p>Loading...</p> }

@code {
    EnergyData[] EnergyData = [];
    (int, BatteryDayResult[])[] SimulationData = [];

    bool _isLoading = false;

    private async Task LoadCsvFile(InputFileChangeEventArgs e)
    {
        _isLoading = true;
        StateHasChanged();

        var file = e.File;
        if (file.ContentType != "text/csv")
        {
            Console.WriteLine("Only CSV files are allowed!");
            return;
        }

        try
        {
            var loadingTask = DataLoader.LoadAndProcessData(file);
            var energyData = await loadingTask;

            EnergyData = energyData.ToArray();
            _isLoading = false;
            StateHasChanged();

            foreach (var data in EnergyData)
            {
                Console.WriteLine(data.Date.ToString());
            }
        }
        catch (Exception ex)
        {
            Console.WriteLine($"Error loading file: {ex.Message}");
        }
    }
}