using NeonSprawl.Server.Game.PositionState;

namespace NeonSprawl.Server.Game.Combat;

/// <summary>Maps <c>GET /game/players/{id}/combat-health</c> (NEO-95).</summary>
public static class PlayerCombatHealthApi
{
    public static WebApplication MapPlayerCombatHealthApi(this WebApplication app)
    {
        app.MapGet(
            "/game/players/{id}/combat-health",
            (string id, IPositionStateStore positions, IPlayerCombatHealthStore playerHealthStore) =>
            {
                if (!positions.TryGetPosition(id, out _))
                {
                    return Results.NotFound();
                }

                if (!playerHealthStore.TryGet(id, out var snapshot))
                {
                    return Results.NotFound();
                }

                return Results.Json(BuildResponse(snapshot));
            });

        return app;
    }

    internal static PlayerCombatHealthResponse BuildResponse(in PlayerCombatHealthSnapshot snapshot) =>
        new()
        {
            PlayerId = snapshot.PlayerId,
            MaxHp = snapshot.MaxHp,
            CurrentHp = snapshot.CurrentHp,
            Defeated = snapshot.Defeated,
        };
}