using Marathon.Infrastructure.Persistence.Entities;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;

namespace Marathon.Infrastructure.Persistence.Configurations;

internal sealed class SavedStrategyConfiguration : IEntityTypeConfiguration<SavedStrategyEntity>
{
    public void Configure(EntityTypeBuilder<SavedStrategyEntity> builder)
    {
        builder.ToTable("SavedStrategies");

        builder.HasKey(s => s.Id);
        builder.Property(s => s.Id).HasColumnType("TEXT").IsRequired();
        // NOCASE so the unique index and the GetByNameAsync lookup both treat names
        // case-insensitively (ASCII) — "Kelly" and "kelly" are the same preset, and
        // save-by-name overwrites rather than creating a near-duplicate.
        builder.Property(s => s.Name).HasColumnType("TEXT").UseCollation("NOCASE").IsRequired();

        builder.Property(s => s.StartingBankroll).HasColumnType("TEXT").IsRequired();
        builder.Property(s => s.MinScore).HasColumnType("TEXT").IsRequired();
        builder.Property(s => s.StakeRule).HasColumnType("INTEGER").IsRequired();
        builder.Property(s => s.FlatStake).HasColumnType("TEXT").IsRequired();
        builder.Property(s => s.PercentOfBankroll).HasColumnType("TEXT").IsRequired();
        builder.Property(s => s.KellyFraction).HasColumnType("TEXT").IsRequired();
        builder.Property(s => s.CreatedAt).HasColumnType("TEXT").IsRequired();

        // Names are the user-facing identity for save/overwrite, so they must be
        // unique — the SaveStrategyUseCase upserts by name and the index backstops
        // any race that would otherwise create a duplicate.
        builder.HasIndex(s => s.Name)
            .IsUnique()
            .HasDatabaseName("IX_SavedStrategies_Name");
    }
}