@page "/weather"
@attribute [StreamRendering]

<PageTitle>Weather</PageTitle>

<h1>Weather</h1>

<p>This component demonstrates showing data.</p>

@if(forecasts == null)
{
    <p>
        <em>Loading...</em>
    </p>
}
else
{
    <table class="table">
        <thead>
        <tr>
            <th>Date</th>
            <th>Temp. (C)</th>
            <th>Temp. (F)</th>
            <th>Summary</th>
        </tr>
        </thead>
        <tbody>
        @foreach(WeatherForecast forecast in forecasts)
        {
            <tr>
                <td>@forecast.Date.ToShortDateString()</td>
                <td>@forecast.TemperatureC</td>
                <td>@forecast.TemperatureF</td>
                <td>@forecast.Summary</td>
            </tr>
        }
        </tbody>
    </table>
}

@code {
    private WeatherForecast[]? forecasts;

    protected override async Task OnInitializedAsync()
    {
        // Simulate asynchronous loading to demonstrate streaming rendering
        await Task.Delay(500);

        var startDate = DateOnly.FromDateTime(DateTime.Now);

        string[] summaries = new[]
        {
            "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
        };

        forecasts = Enumerable.Range(1, 5)
                              .Select(index => new WeatherForecast
                               {
                                   Date         = startDate.AddDays(index),
                                   TemperatureC = Random.Shared.Next(-20, 55),
                                   Summary      = summaries[Random.Shared.Next(summaries.Length)]
                               })
                              .ToArray();
    }

    private class WeatherForecast
    {
        public DateOnly Date         { get; set; }
        public int      TemperatureC { get; set; }
        public string?  Summary      { get; set; }
        public int      TemperatureF => 32 + (int)(TemperatureC / 0.5556);
    }

}