using Microsoft.EntityFrameworkCore;
using System.Collections.Generic;

namespace Api.Models
{
    public class Product
    {
        public int Id { get; set; }
        public string? Name { get; set; }
        public decimal Price { get; set; }
    }

    public class AppDbContext : DbContext
    {
        public AppDbContext(DbContextOptions<AppDbContext> options) : base(options) { }
        public DbSet<Product> Products { get; set; }
        public DbSet<WebMessage> WebMessages { get; set; }
        public DbSet<User> Users { get; set; }
        public DbSet<UserOAuthProvider> UserOAuthProviders { get; set; }

        protected override void OnModelCreating(ModelBuilder modelBuilder)
        {
            base.OnModelCreating(modelBuilder);
            
            // Configure User entity
            modelBuilder.Entity<User>(entity =>
            {
                entity.HasKey(e => e.Id);
                entity.HasIndex(e => e.Email).IsUnique();
                entity.Property(e => e.Email).IsRequired().HasMaxLength(255);
                entity.Property(e => e.FirstName).HasMaxLength(255);
                entity.Property(e => e.LastName).HasMaxLength(255);
                entity.Property(e => e.ProfilePictureUrl).HasMaxLength(500);
            });
            
            // Configure UserOAuthProvider entity
            modelBuilder.Entity<UserOAuthProvider>(entity =>
            {
                entity.HasKey(e => e.Id);
                entity.HasIndex(e => new { e.Provider, e.ProviderId }).IsUnique();
                entity.Property(e => e.ProviderId).IsRequired().HasMaxLength(255);
                entity.Property(e => e.ProviderEmail).HasMaxLength(255);
                entity.Property(e => e.ProviderName).HasMaxLength(255);
                
                entity.HasOne(e => e.User)
                    .WithMany(u => u.OAuthProviders)
                    .HasForeignKey(e => e.UserId)
                    .OnDelete(DeleteBehavior.Cascade);
            });
            
            // Seed data
            modelBuilder.Entity<Product>().HasData(
                new Product { Id = 1, Name = "Sample Product", Price = 9.99M }
            );
        }
    }
}