// Assets/_Project/Scripts/Gameplay/Draft/BuilderEffectDraftOption.cs
using UnityEngine;
using TD.Core;
using TD.Gameplay.BuilderEffects;

namespace TD.Gameplay.Draft
{
    /// <summary>
    /// Draft choice #2 — "gain a builder effect". Grants the player a passive effect that
    /// applies to every tower they own, adding it to their <see cref="BuilderUpgradeManager"/>.
    /// </summary>
    /// <remarks>
    /// Unlike <see cref="NewTowerDraftOption"/>, this carries the <see cref="BuilderEffectKind"/>
    /// directly rather than an asset reference — there's no id to resolve, the enum value is the
    /// stable identifier <see cref="BuilderUpgradeManager"/> and <see cref="BuilderEffectPool"/>
    /// already key off of.
    /// </remarks>
    [CreateAssetMenu(fileName = "BuilderEffectOption", menuName = "TD/Draft/Builder Effect Option")]
    public class BuilderEffectDraftOption : DraftOption
    {
        [Header("Payload")]
        [Tooltip("The builder effect this option grants.")]
        public BuilderEffectKind Kind;

        public override bool IsValidFor(ulong clientId)
        {
            var upgrades = BuilderUpgradeManager.GetForClient(clientId);
            return upgrades != null && !upgrades.PlayerHasEffect(Kind);
        }

        public override bool ServerApply(ulong clientId)
        {
            var upgrades = BuilderUpgradeManager.GetForClient(clientId);
            return upgrades != null && upgrades.ServerGrantEffect(Kind);
        }
    }
}