using BlueLaminate.EFCore.Entities;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;

namespace BlueLaminate.EFCore.Configurations;

public class CsMoneyListingConfiguration : IEntityTypeConfiguration<CsMoneyListing>
{
    public void Configure(EntityTypeBuilder<CsMoneyListing> entity)
    {
        // cs.money's sell-order id is the natural key; ingest upserts against it and
        // must never create duplicates.
        entity.HasIndex(e => e.SellOrderId).IsUnique();

        entity.Property(e => e.Price).HasPrecision(18, 2);
        entity.Property(e => e.PriceBeforeDiscount).HasPrecision(18, 2);
        entity.Property(e => e.ComputedPrice).HasPrecision(18, 2);
        // Full precision to match SkinInstance for exact fingerprint joins.
        entity.Property(e => e.FloatValue).HasColumnType("numeric(20,18)");

        // Enum as text so the DB is self-describing (matches the project's leaning).
        entity.Property(e => e.Status).HasConversion<string>();

        // Targeted scrape: results are filtered/sorted by skin+wear and by activity.
        entity.HasIndex(e => new { e.SkinId, e.ConditionId });
        entity.HasIndex(e => e.Status);
        entity.HasIndex(e => e.AssetId);

        // Each job targets a known skin, so this link is required (Restrict: a skin
        // with live listings shouldn't be deleted out from under them).
        entity.HasOne(e => e.Skin)
            .WithMany()
            .HasForeignKey(e => e.SkinId)
            .OnDelete(DeleteBehavior.Restrict);

        entity.HasOne(e => e.Condition)
            .WithMany()
            .HasForeignKey(e => e.ConditionId)
            .OnDelete(DeleteBehavior.SetNull);

        // Listings roll up to the physical item they represent (shared with CSFloat).
        entity.HasOne(e => e.SkinInstance)
            .WithMany()
            .HasForeignKey(e => e.SkinInstanceId)
            .OnDelete(DeleteBehavior.SetNull);
    }
}