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

namespace TransportCompanyDatabaseImplement
{
    public class TransportCompanyDatabase : DbContext
    {
        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
        {
            if (!optionsBuilder.IsConfigured)
            {
                optionsBuilder.UseSqlServer(@"Data Source=LAPTOP-M2G96S06\SQLEXPRESS;Initial Catalog=TransportCompanyDatabase;Integrated Security=True;MultipleActiveResultSets=True;;TrustServerCertificate=True");
            }
            base.OnConfiguring(optionsBuilder);
        }
        public virtual DbSet<Cargo> Cargos { set; get; }
        public virtual DbSet<Driver> Drivers { set; get; }
        public virtual DbSet<Point> Points { set; get; }
        public virtual DbSet<Transport> Transports { set; get; }
        public virtual DbSet<Transportation> Transportations { set; get; }

        protected override void OnModelCreating(ModelBuilder modelBuilder)
        {
            modelBuilder.Entity<Transportation>()
                .HasOne(t => t.PointTo)
                .WithMany(p => p.TransportationsTo)
                .HasForeignKey(t => t.PointToId)
                .OnDelete(DeleteBehavior.Restrict); 

            modelBuilder.Entity<Transportation>()
                .HasOne(t => t.PointFrom)
                .WithMany(p => p.TransportationsFrom)
                .HasForeignKey(t => t.PointFromId)
                .OnDelete(DeleteBehavior.Restrict); 
        }
    }
}