using UnityEngine;

/// <summary>
/// ScriptableObject for storing and configuring all game settings, including player, follower, and item configuration.
/// </summary>
[CreateAssetMenu(fileName = "GameSettings", menuName = "AppleHills/GameSettings", order = 1)]
public class GameSettings : ScriptableObject
{
    [Header("Interactions")]
    public float playerStopDistance = 6.0f;
    public float playerStopDistanceDirectInteraction = 2.0f;
    public float followerPickupDelay = 0.2f;

    [Header("Follower Settings")]
    public float followDistance = 1.5f;
    public float manualMoveSmooth = 8f;
    public float thresholdFar = 2.5f;
    public float thresholdNear = 0.5f;
    public float stopThreshold = 0.1f;

    [Header("Player Settings")]
    public float moveSpeed = 5f;
    public float stopDistance = 0.1f;
    public bool useRigidbody = true;
    public enum HoldMovementMode { Pathfinding, Direct }
    public HoldMovementMode defaultHoldMovementMode = HoldMovementMode.Pathfinding;

    [Header("Backend Settings")]
    [Tooltip("Technical parameters, not for design tuning")]
    public float followUpdateInterval = 0.1f;
    public float followerSpeedMultiplier = 1.2f;
    public float heldIconDisplayHeight = 2.0f;

    [Header("Default Prefabs")]
    public GameObject basePickupPrefab;

    [Header("Endless Descender Settings")]
    [Tooltip("How quickly the character follows the finger horizontally (higher = more responsive)")]
    public float endlessDescenderLerpSpeed = 12f;
    [Tooltip("Maximum horizontal offset allowed between character and finger position")]
    public float endlessDescenderMaxOffset = 3f;
    [Tooltip("Minimum allowed X position for endless descender movement")]
    public float endlessDescenderClampXMin = -3.5f;
    [Tooltip("Maximum allowed X position for endless descender movement")]
    public float endlessDescenderClampXMax = 3.5f;
    [Tooltip("Exponent for speed drop-off curve (higher = sharper drop near target)")]
    public float endlessDescenderSpeedExponent = 2.5f;

    [Header("InputManager Settings")]
    [Tooltip("Layer(s) to use for interactable objects.")]
    public LayerMask interactableLayerMask = -1; // Default to Everything

    [Header("UI Prefabs")]
    public GameObject levelSwitchMenuPrefab;

    [System.Serializable]
    public class CombinationRule {
        public PickupItemData itemA;
        public PickupItemData itemB;
        public GameObject resultPrefab; // The prefab to spawn as the result
    }

    [System.Serializable]
    public class SlotItemConfig {
        public PickupItemData slotItem; // The slot object (SO reference)
        public System.Collections.Generic.List<PickupItemData> allowedItems;
        public System.Collections.Generic.List<PickupItemData> forbiddenItems;
    }

    [Header("Item Configuration")]
    public System.Collections.Generic.List<CombinationRule> combinationRules;
    public System.Collections.Generic.List<SlotItemConfig> slotItemConfigs;
}