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

<PageTitle>BattSim</PageTitle>

<h1>BattSim</h1>

<h2>Input Data</h2>
<p>Upload your fluvius daily csv file here.</p>
<InputFile OnChange="LoadCsvFile" accept=".csv"/>
@if (_isLoadingFile){ <p>Loading...</p> }
@if (EnergyData.Length != 0){
<RadzenChart>
    <RadzenAreaSeries Smooth=true Data="@EnergyData" CategoryProperty="Date" Title="Consumption" ValueProperty="TotalConsumption">
        <RadzenChartTooltipOptions Visible="true" />
    </RadzenAreaSeries>
    <RadzenAreaSeries Smooth=true Data="@EnergyData" CategoryProperty="Date" Title="Production" ValueProperty="TotalProduction">
        <RadzenChartTooltipOptions Visible="true" />
    </RadzenAreaSeries>
    <RadzenCategoryAxis Formatter="@FormatObject" Padding="20" LabelAutoRotation="-45">
        <RadzenAxisTitle Text="Time" />
    </RadzenCategoryAxis>
    <RadzenValueAxis Formatter="@FormatObject">
        <RadzenGridLines Visible="true" />
        <RadzenAxisTitle Text="Energy" />
    </RadzenValueAxis>
</RadzenChart>
}


<h2>Simulate Battery</h2>
<p>Set the battery capacity</p>
<InputNumber @bind-value="BatteryCapacity"/>
<Button @onclick="SimulateBattery">Simulate</Button>

<h2>Calculate Cost</h2>


@code {
    EnergyData[] EnergyData = [];
    bool _isLoadingFile = false;

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

        try
        {
            Console.WriteLine("Reading csv file...");
            _isLoadingFile = true;
            StateHasChanged();

            var loadingTask = DataLoader.LoadAndProcessData(file);
            var energyData = await loadingTask;
            EnergyData = energyData.ToArray();

            _isLoadingFile = false;
            StateHasChanged();
            Console.WriteLine("Done reading csv file!");
        }
        catch (Exception ex)
        {
            Console.WriteLine($"Error loading file: {ex.Message}");
        }
    }

    bool _showProduction = true;
    bool _showConsumption = true;
    
    private void OnSeriesClick(){}
    private string FormatObject(object value) { 
        if(value is double d) return $"{value:0.##} kWh";
        if(value is DateOnly date) return (date.Day == 1) ? date.ToString("MM/yyyy") : string.Empty;
        else return string.Empty;
    }

    double BatteryCapacity = 0.0;
    BatteryDayResult[] SimulationData = [];


    private async Task SimulateBattery(){
        Console.WriteLine("Simulating...");
        SimulationData = BatterySimulator.SimulateBattery(EnergyData, BatteryCapacity).ToArray();
        Console.WriteLine("Done simulating!");
    }

}