using CodeLiturgy.Data.Application;
using CodeLiturgy.Data.Application.Users;
using Microsoft.EntityFrameworkCore;

namespace CodeLiturgy.Domain.Model
{
    /// <summary>
    /// Database model configuration extensions
    /// </summary>
    public static class ModelBuilderExtensions
    {
        #region Initialization

        static ModelBuilderExtensions() { }

        /// <summary>
        ///  Setup the database model
        /// </summary>
        /// <param name="modelBuilder"></param>
        public static void ConfigureCurrentDbModel(this ModelBuilder modelBuilder)
        {
            modelBuilder
                .ConfigureDatabaseKeys()
                .EnvironmentModel()
                .SiteModel()
                .ConfigureUserModel()
                .ConfigureAppContextModel();
            
            //.ConfigureIdentityModel();
        }
        

        #endregion

        #region Application Users

        /// <summary>
        ///  Configure App context model
        /// </summary>
        /// <param name="modelBuilder"></param>
        private static void ConfigureAppContextModel(this ModelBuilder builder)
        {
            builder.Entity<ApplicationUserRole>().ToTable("UserRoles");
            builder.Entity<ApplicationUser>(b =>
            {
                b.HasMany<ApplicationUserRole>()
                    .WithOne(b => b.User)
                    .HasForeignKey(ur => ur.UserId).IsRequired();
            });


            builder.Entity<ApplicationUser>().ToTable("ApplicationUser")
                .HasKey(x => x.Id);


            builder.Entity<ApplicationRole>(b =>
            {
                b.HasKey(r => r.Id);
                b.HasIndex(r => r.NormalizedName).HasDatabaseName("RoleNameIndex").IsUnique();
                b.ToTable("Roles");
                b.Property(r => r.ConcurrencyStamp).IsConcurrencyToken();

                b.Property(u => u.Name).HasMaxLength(256);
                b.Property(u => u.NormalizedName).HasMaxLength(256);

                b.HasMany<ApplicationUserRole>().WithOne().HasForeignKey(ur => ur.RoleId).IsRequired();
                b.HasMany<ApplicationRoleClaim>().WithOne().HasForeignKey(rc => rc.RoleId).IsRequired();
            });

            builder.Entity<ApplicationUserRole>().HasOne(x => x.ApplicationRole);
            builder.Entity<ApplicationRoleClaim>().HasOne<ApplicationRole>(x => x.ApplicationRole);
            builder.Entity<ApplicationUserClaim>().HasOne<ApplicationUser>(x => x.ApplicationUser);
            

            builder.Entity<ApplicationRoleClaim>(b =>
            {
                b.HasKey(rc => rc.Id);
                b.ToTable("RoleClaims");
            });

            builder.Entity<ApplicationUserRole>(b =>
            {
                b.HasKey(r => new {r.UserId, r.RoleId});
                b.ToTable("UserRoles");
            });

            builder.Entity<ApplicationRoleClaim>().ToTable("RoleClaims");
            builder.Entity<ApplicationUserRole>().ToTable("UserRole");
            


            //.ConfigureIdentityModel();
        }
        
        #endregion

        #region DatabasePK
        
        private static ModelBuilder ConfigureDatabaseKeys(this ModelBuilder modelBuilder)
        {

            // FinanceOp
            return
                modelBuilder;


        }
        #endregion

        #region Database Models

        private static ModelBuilder EnvironmentModel(this ModelBuilder modelBuilder)
        {
            modelBuilder
                .Entity<SiteEnvironment>()
                .HasMany<Site>(b => b.Sites)
                .WithOne(x => x.Environment)
                .HasForeignKey(x => x.EnvironmentId);
            
            return modelBuilder;

        }

        private static ModelBuilder SiteModel(this ModelBuilder modelBuilder)
        {

            modelBuilder.Entity<Site>()
                .HasOne(x => x.Environment)
                .WithMany(x => x.Sites)
                .HasForeignKey(x => x.EnvironmentId);
            return modelBuilder;

        }

        private static ModelBuilder ConfigureUserModel(this ModelBuilder modelBuilder)
        {

            modelBuilder
                .Entity<ApplicationUser>()
                .HasMany(x => x.Sites)
                .WithOne(x => x.User);
            
            modelBuilder
                .Entity<ApplicationUser>()
                .HasMany(x => x.Environments)
                .WithOne(x => x.User);
            
            return modelBuilder;
        }
        
        #endregion
        
        
    }
}