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

namespace BlueLaminate.EFCore.Configurations;

public class SkinLandListingConfiguration : IEntityTypeConfiguration<SkinLandListing>
{
    public void Configure(EntityTypeBuilder<SkinLandListing> entity)
    {
        // skin.land's offer id is the natural key; ingest upserts against it and must
        // never create duplicates.
        entity.HasIndex(e => e.ListingId).IsUnique();

        entity.Property(e => e.Price).HasPrecision(18, 2);
        // Full precision (matches SkinInstance/cs.money) even though skin.land offers
        // aren't fingerprinted — keep the float lossless for later analysis.
        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);

        // 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);
    }
}