using MessageService.Domain.Entities;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;

namespace MessageService.Infrastructure.Configs
{
    public class ConversationConfig : IEntityTypeConfiguration<Conversation>
    {
        public void Configure(EntityTypeBuilder<Conversation> builder)
        {
            builder.ToTable("conversations");
            builder.HasKey(x => x.Id);
            builder.HasIndex(x => x.UserId);
            builder.HasIndex(x => new { x.UserId, x.ChatType, x.TargetId, x.IsDeleted });
            builder.Property<string>("ActiveConversationKey")
                .HasMaxLength(96)
                .HasComputedColumnSql(
                    "CASE WHEN `IsDeleted` = 0 THEN CONCAT(`UserId`, ':', `ChatType`, ':', `TargetId`) ELSE NULL END",
                    stored: true);
            builder.HasIndex("ActiveConversationKey")
                .IsUnique()
                .HasDatabaseName("UX_conversations_ActiveConversationKey");

        }
    }
}