using Microsoft.EntityFrameworkCore;

namespace CockRoachDBEFCoreTest
{
    public class MyDbContext : DbContext
    {
        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
        {
            //数据库名只能为小写，否则报错为:database "postgres" does not exist
            var connStr = "User ID=root;Host=localhost;Port=26257;Database=testdb;CommandTimeout=120;";
            optionsBuilder.UseNpgsql(connStr);
            //var connStr = "User ID=root;Host=localhost;Port=26257;Database=mytest;CommandTimeout=120;SslMode=Require;TrustServerCertificate=true;";
            //optionsBuilder.UseNpgsql(connStr,o => o.ProvideClientCertificatesCallback(o => o.Add(new System.Security.Cryptography.X509Certificates.X509Certificate2("client.root.pk12"))));
        }

        protected override void OnModelCreating(ModelBuilder modelBuilder)
        {
            modelBuilder.Entity<User>();
            modelBuilder.Entity<User>().HasIndex(o => o.Name).IsUnique();
            modelBuilder.Entity<Role>();
            modelBuilder.Entity<UserRole>().HasOne(o => o.User).WithMany(o => o.UserRoles).HasForeignKey(o => o.UserId).OnDelete(DeleteBehavior.Cascade);
            modelBuilder.Entity<UserRole>().HasOne(o => o.Role).WithMany(o => o.UserRoles).HasForeignKey(o => o.RoleId).OnDelete(DeleteBehavior.Cascade);
            modelBuilder.Entity<UserRole>().HasIndex(o => new { o.UserId, o.RoleId }).IsUnique();
        }
    }
}