using Microsoft.EntityFrameworkCore;

namespace AnsonBot.Core;

public class BotDbContext : DbContext
{
    public BotDbContext(DbContextOptions<BotDbContext> options) : base(options) { }

    public DbSet<PlaySession> PlaySessions => Set<PlaySession>();

    protected override void OnModelCreating(ModelBuilder b)
    {
        var session = b.Entity<PlaySession>();

        session.Ignore(s => s.Duration);

        // Main lookup: "is this player currently online" and per-player history.
        session.HasIndex(s => new { s.PlayerId, s.EndedUtc });

        // Supports finding all open sessions on startup for crash recovery.
        session.HasIndex(s => s.EndedUtc);
    }
}