using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata;

namespace SimpleModelsAndRelations.Models
{
    public class User
    {
        public int Id { get; set; }
        public string Name { get; set; }
        public List<Order> Orders { get; set; }
    }
    public class Order
    {
        public int Id { get; set; }
        public DateTime Date { get; set; }
        public int UserId { get; set; }
        public User User { get; set; }
        public List<Order_Product> Order_Product { get; set; }

    }

    // TODO 3: complete the implementation below (1 pts) 
    public class Order_Product
    {
        public int Quantity { get; set; }
        public int ProductId { get; set; }
        public Product Product { get; set; }
        public int OrderId { get; set; }
        public Order Order { get; set; }
    }
    public class Product
    {
        public int Id { get; set; }
        public string Name { get; set; }
        public float Price { get; set; }
        public List<Order_Product> Order_Product { get; set; }
    }
    public partial class SimpleModelsAndRelationsContext : DbContext
    {
        // TODO 1: complete the implementation below (1 pt) 
        public DbSet<User> Users { get; set; }
        public DbSet<Order> Orders { get; set; }
        public DbSet<Product> Products { get; set; }
        public DbSet<Order_Product> Order_Products { get; set; }
      
        public SimpleModelsAndRelationsContext(DbContextOptions<SimpleModelsAndRelationsContext> options) : base(options) { }
        
        protected override void OnModelCreating(ModelBuilder modelBuilder)
        {
            // TODO 2: complete the implementation below (0.5 pts)
            modelBuilder.Entity<Order_Product>().HasKey(_op => new { _op.ProductId, _op.OrderId });
        }
    }
}