using System;
using System.Collections.Generic;
using Cielonos.MainGame.Inventory;
using Sirenix.OdinInspector;
using UnityEngine;

namespace Cielonos.MainGame.Rewards
{
    public enum RewardEntryMode
    {
        FixedItem,
        ItemPool,
        UpgradeComponent
    }

    [CreateAssetMenu(fileName = "RewardProfile", menuName = "Cielonos/Rewards/Reward Profile")]
    public class RewardProfile : SerializedScriptableObject
    {
        [TitleGroup("Offer Settings")]
        [MinValue(1)]
        public int offerCount = 3;

        [TitleGroup("Skip Compensation")]
        [LabelText("RareMaterial Range")]
        public Vector2Int skipRareMaterialRange = Vector2Int.zero;

        [TitleGroup("Entries")]
        [HideLabel]
        [ListDrawerSettings(ShowIndexLabels = false)]
        public List<RewardEntry> entries = new();

        public int RollSkipCompensation(System.Random rng)
        {
            if (rng == null || skipRareMaterialRange == Vector2Int.zero)
            {
                return 0;
            }

            int min = Mathf.Min(skipRareMaterialRange.x, skipRareMaterialRange.y);
            int max = Mathf.Max(skipRareMaterialRange.x, skipRareMaterialRange.y);
            return rng.Next(min, max + 1);
        }
    }

    [Serializable]
    [InlineProperty]
    [HideReferenceObjectPicker]
    [LabelWidth(82)]
    public class RewardEntry
    {
        [HorizontalGroup("Name")]
        [HideLabel]
        public string displayName = "New Reward Entry";

        [HorizontalGroup("Rules", Width = 0.34f)]
        [LabelText("Mode")]
        public RewardEntryMode mode;

        [HorizontalGroup("Rules", Width = 0.33f)]
        [LabelText("Weight")]
        [MinValue(0)]
        public int weight = 1;

        [HorizontalGroup("Rules", Width = 0.33f)]
        [LabelText("Repeat")]
        public bool allowRepeat = false;

        [ShowIf(nameof(UsesItemPrefab))]
        [AssetsOnly]
        [Required]
        [LabelText("Item")]
        public ItemBase itemPrefab;

        [ShowIf(nameof(UsesItemPool))]
        [HideLabel]
        public RewardItemFilter filter = new();

        [LabelText("Quantity")]
        [Tooltip("只对 Consumable 生效；普通装备始终生成一件。")]
        public Vector2Int quantityRange = Vector2Int.one;

        private bool UsesItemPrefab => mode == RewardEntryMode.FixedItem || mode == RewardEntryMode.UpgradeComponent;
        private bool UsesItemPool => mode == RewardEntryMode.ItemPool;
    }
}