Program.cs

using Microsoft.EntityFrameworkCore;
using IoTDeviceTelemetry.API.Data;
using IoTDeviceTelemetry.API.Repositories;
using IoTDeviceTelemetry.API.Services;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
builder.Services.AddCors(options => 
{
    options.AddPolicy("AllowAll", builder => 
    {
        builder.AllowAnyOrigin()                                                                        // development CORS policy, production: .AllowOrigins("https://frontend-app.com")
                                                                                                        //.WithOrigins("https://localhost:3000", "http://localhost:3000")           // Allow specific origins (e.g., React app)                       
               .AllowAnyMethod()                                                                
               .AllowAnyHeader();
    });
});                                                                                                      // Enable CORS for all origins, methods, and headers

builder.Services.AddDbContext<TelemetryDbContext>(options => 
    options.UseSqlite("Data Source=telemetry.db;")                                                      // Use SQLite for local development
    // options.UseSqlite(builder.Configuration.GetConnectionString("TelemetryDb"))
    );

builder.Services.AddScoped<ITelemetryRepository, TelemetryRepository>();                                // Register telemetry repository
builder.Services.AddScoped<ITelemetryService, TelemetryService>();                                      // Register telemetry service

builder.Services.AddControllers();                                                                      //enable MVC controllers
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();

var app = builder.Build();

// Configure the HTTP request pipeline.
if (app.Environment.IsDevelopment())
{
    app.UseSwagger();
    app.UseSwaggerUI();
}

app.UseHttpsRedirection();
app.UseCors("AllowAll");                                                                                 // Use the CORS policy defined above
app.UseAuthorization();                                                                               // to enable authorization middleware

app.MapControllers();                                                                                 // to enable routing for controllers


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

app.MapGet("/weatherforecast", () =>
{
    var forecast =  Enumerable.Range(1, 5).Select(index =>
        new WeatherForecast
        (
            DateOnly.FromDateTime(DateTime.Now.AddDays(index)),
            Random.Shared.Next(-20, 55),
            summaries[Random.Shared.Next(summaries.Length)]
        ))
        .ToArray();
    return forecast;
})
.WithName("GetWeatherForecast")
.WithOpenApi();
*/


app.Run();

/*
record WeatherForecast(DateOnly Date, int TemperatureC, string? Summary)
{
    public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
}
*/