using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Design;
using DotNetEnv;

namespace Inventory.Core
{
    /// <summary>
    /// This factory is used by the EF Core design-time tools (e.g., for creating migrations).
    /// It provides a way to configure and create an instance of the DbContext at design time.
    /// </summary>
    public class DesignTimeDbContextFactory : IDesignTimeDbContextFactory<InventoryContext>
    {
        public InventoryContext CreateDbContext(string[] args)
        {
            // Load environment variables from .env file up the directory tree
            Env.TraversePath().Load();
            string connectionString = Env.GetString("DB_CONNECTION_STRING");

            var optionsBuilder = new DbContextOptionsBuilder<InventoryContext>();
            optionsBuilder.UseSqlServer(connectionString);

            return new InventoryContext(optionsBuilder.Options);
        }
    }
}