using Cthangover.Core.Characters;
using Cthangover.Core.Utils;

namespace Cthangover.FFBattle.Actions
{
    /// <summary>
    /// Executes a defensive action (buff/barrier). Increases the target's
    /// <see cref="CharacterAttributes.Defence"/> by the value stored in
    /// the <c>"Defence"</c> property on the action (default 4).
    /// Defence acts as a shield against incoming physical damage in the
    /// <see cref="FFDamageExecutor"/>. Registered under ID <c>"physics/defence"</c>.
    /// </summary>
    public class FFDefenceExecutor : ActionBase
    {
        /// <summary>Hub registry key for this executor.</summary>
        public override string ID => "FFDefenceExecutor";

        /// <summary>Adds the action's "Defence" value (default 4) to the target's defence shield.</summary>
        public override ChangedAttributes Execute(ActionCharacter action, Character user, Character target)
        {
            if (target == null || user == null || !CheckRequiredAndUsePoint(action, user))
                return new ChangedAttributes { Result = false };

            var defenceDelta = action.GetInt("Defence", 4);
            target.Attributes.Defence.Value += defenceDelta;

            GameLogger.Log("FF_BATTLE",
                $"{user.Name} defends → +{defenceDelta} defence for {target?.Name}",
                LogLevel.Debug);

            return new ChangedAttributes { Result = true, Target = { Defence = defenceDelta } };
        }
    }
}