using DG.Tweening;
using GameCore;
using Spine.Unity;
using TMPro;
using UnityEngine;

public class MiniBattlePassSecondPanel : MiniBattlePassPanel
{
    TMP_Text text_num1;

    /// <summary>角色根节点，须在 Content 下；实例化 item 后会 <see cref="OnAfterMiniBattlePassItemsInstantiated"/> 设为同级最末以便后渲染盖在列表上。若受 VerticalLayoutGroup 排布影响，请给该节点加 LayoutElement 并勾选 Ignore Layout。</summary>
    protected Transform spineRoot;
    protected SkeletonGraphic spine;
    RewardItemNew reward;
    protected override int NormalizedPosition => 0;
    protected override int showCount => 5;

    /// <summary>
    /// 与 <see cref="MiniBattlePassSecondPanel"/> 原 Spine 对齐规则一致：非最后一档时视觉行 = 数据下标 + 1。
    /// </summary>
    protected int GetDisplayRowIndexForDataIndex(int dataIndex)
    {
        if (miniBPItemDatas == null || miniBPItemDatas.Count == 0)
        {
            return 0;
        }

        int row = dataIndex;
        if (row < miniBPItemDatas.Count - 1)
        {
            row++;
        }

        return row;
    }

    protected void SetCharacterRootY(int displayRowIndex)
    {
        if (spineRoot == null)
        {
            return;
        }

        spineRoot.localPosition = new Vector3(spineRoot.localPosition.x, displayRowIndex * itemHeight, 0);
    }

    protected virtual void PlayCharacterIdleAnimation()
    {
        if (spine != null)
        {
            spine.AnimationState.SetAnimation(0, "swimming_idle", true);
        }
    }

    protected virtual void PlayCharacterMoveAnimation()
    {
        if (spine != null)
        {
            spine.AnimationState.SetAnimation(0, "swimming_move", true);
        }
    }

    protected virtual void OnCharacterScrollArrived()
    {
        PlayCharacterIdleAnimation();
    }

    /// <summary>
    /// 开始「追进度」滚动：列表滚动与角色根节点 Y 同步。视频版可重写以在开始前插入转身等。
    /// </summary>
    protected virtual void StartCharacterScrollToReward(int startRow, int endRow, float endScrollPos, float duration)
    {
        if (spineRoot == null || scrollRect == null)
        {
            return;
        }

        PlayCharacterMoveAnimation();
        scrollRect.DOVerticalNormalizedPos(endScrollPos, duration).SetEase(Ease.Linear);
        spineRoot.DOLocalMoveY(endRow * itemHeight, duration).OnComplete(OnCharacterScrollArrived);
    }

    protected override void Awake()
    {
        base.Awake();
        reward = transform.Find("root/total_prize/bg/reward").GetComponent<RewardItemNew>();
        spineRoot = transform.Find("root/ScrollView/Viewport/Content/spineRoot");
        if (spineRoot != null)
        {
            var spineTransform = spineRoot.Find("spine");
            if (spineTransform != null)
            {
                spine = spineTransform.GetComponent<SkeletonGraphic>();
            }
        }

        text_num1 = transform.Find("root/total_prize/reward/text_num").GetComponent<TMP_Text>();
    }

    protected override void OnAfterMiniBattlePassItemsInstantiated()
    {
        base.OnAfterMiniBattlePassItemsInstantiated();
        if (spineRoot == null || content == null || spineRoot.parent != content)
        {
            return;
        }

        spineRoot.SetAsLastSibling();
    }

    protected override void Start()
    {
        if (miniBP.ItemShow[1] == 1001)
        {
            int showCount = 0;
            var miniBPItemDatas = miniBP.miniBPItemDatas;
            ItemData itemData;
            for (int i = 0; i < miniBPItemDatas.Count; i++)
            {
                itemData = miniBPItemDatas[i].freeReward;
                if (itemData != null && itemData.id == 1001)
                {
                    showCount += itemData.count;
                }

                itemData = miniBPItemDatas[i].grandReward;
                if (itemData != null && itemData.id == 1001)
                {
                    showCount += itemData.count;
                }
            }

            miniBP.ItemCountShow[1] = showCount;
        }

        base.Start();
        reward.SetData(miniBP.ItemShow[0], $"x{ConvertTools.GetNumberString(miniBP.ItemCountShow[0])}", true);
        text_num1.text = $"x{ConvertTools.GetNumberString(miniBP.ItemCountShow[1])}";
    }

    protected override void JumpToIndex()
    {
        if (spineRoot == null)
        {
            return;
        }

        int index = miniBP.Data.showIndex;
        float startPos = ((index - 2) * 1f / (miniBPItemDatas.Count - showCount));
        if (startPos > 1f)
        {
            startPos = 1f;
        }

        if (startPos < 0f)
        {
            startPos = 0f;
        }

        scrollRect.verticalNormalizedPosition = startPos;
        int startRow = GetDisplayRowIndexForDataIndex(miniBP.Data.showIndex);
        SetCharacterRootY(startRow);
        if (miniBP.rewardIndex > index)
        {
            miniBP.SetOldLevel();
            float endPos = ((miniBP.rewardIndex - 2) * 1f / (miniBPItemDatas.Count - showCount));
            if (endPos > 1f)
            {
                endPos = 1f;
            }

            if (endPos < 0f)
            {
                endPos = 0f;
            }

            const float scrollDuration = 1f;
            int endRow = GetDisplayRowIndexForDataIndex(miniBP.rewardIndex);
            StartCharacterScrollToReward(startRow, endRow, endPos, scrollDuration);
        }
        else
        {
            PlayCharacterIdleAnimation();
        }
    }
}