using System;
using System.Collections.Generic;

using BrewMonster.Scripts;
using BrewMonster.Scripts.Skills;

using ModelViewer.Common;

using UnityEngine;

namespace BrewMonster
{
    public class LogPanelAnimeScene : MonoBehaviour
    {
        [SerializeField] private CopyTextButton copyTextButtonPrefab;

        [SerializeField] private List<CopyTextButton> copyTextButtons;

        [SerializeField] private Transform copyTextButtonsParent;

        private int currentIndex = 0;

        public void Awake()
        {
            copyTextButtons = new List<CopyTextButton>();
            currentIndex = 0;
            Reset();
        }

        public void Reset()
        {
            currentIndex = 0;
            foreach (var copyText in copyTextButtons)
            {
                copyText.gameObject.SetActive(false);
            }
        }

        public void AddCopyTextButton(string labeltext, string text, bool? inAddressables = null, string actionName = null)
        {
            if (currentIndex >= copyTextButtons.Count)
            {
                var copyTextButton = Instantiate(copyTextButtonPrefab, copyTextButtonsParent);
                copyTextButton.gameObject.SetActive(true);
                copyTextButton.SetText(labeltext, text, inAddressables, actionName);
                copyTextButtons.Add(copyTextButton);
            }
            else
            {
                copyTextButtons[currentIndex].gameObject.SetActive(true);
                copyTextButtons[currentIndex].SetText(labeltext, text, inAddressables, actionName);
            }

            currentIndex++;
        }

        /// <summary>
        /// Display name: last path segment only, no gfx/ prefix, no .gfx suffix.
        /// 显示名：仅最后一段，无 gfx/ 前缀、无 .gfx 后缀。
        /// </summary>
        public static string GfxBasename(string path)
        {
            if (string.IsNullOrWhiteSpace(path))
                return null;

            path = AFile.NormalizePath(path, true);
            if (path.StartsWith("gfx/", StringComparison.OrdinalIgnoreCase))
                path = path.Substring(4);

            int slash = path.LastIndexOf('/');
            string file = slash >= 0 ? path.Substring(slash + 1) : path;
            if (file.EndsWith(".gfx", StringComparison.OrdinalIgnoreCase))
                file = file.Substring(0, file.Length - 4);

            return string.IsNullOrEmpty(file) ? null : file;
        }

        /// <summary>
        /// Candidate Addressables keys (runtime CECModel path + catalog .gfx tail).
        /// </summary>
        static IEnumerable<string> GfxAddressableKeyCandidates(string rawPath)
        {
            if (string.IsNullOrWhiteSpace(rawPath))
                yield break;

            string path = AFile.NormalizePath(rawPath, true);
            string runtimeKey = path.StartsWith("gfx/", StringComparison.OrdinalIgnoreCase)
                ? path
                : "gfx/" + path.TrimStart('/');

            yield return runtimeKey;

            if (!runtimeKey.EndsWith(".gfx", StringComparison.OrdinalIgnoreCase))
                yield return runtimeKey + ".gfx";
        }

        public static bool GfxAddressableExists(string rawPath)
        {
            var mgr = AddressableManager.Instance;
            if (mgr == null || !mgr.IsInitialized())
                return false;

            foreach (string key in GfxAddressableKeyCandidates(rawPath))
            {
                if (AddressableManager.KeyExists(key, typeof(GameObject)))
                    return true;
            }

            return false;
        }

        /// <summary>
        /// Has path → show row. Green if Addressables has key, red if not. No path → skip.
        /// 有路径则显示：Addressables 有则绿，无则红；无路径不显示。
        /// </summary>
        void AddGfxPathRow(string label, string rawPath)
        {
            if (string.IsNullOrWhiteSpace(rawPath))
                return;

            string displayText = GfxBasename(rawPath);
            if (string.IsNullOrEmpty(displayText))
                return;

            AddCopyTextButton(label, displayText, GfxAddressableExists(rawPath), "—");
        }

        public void LogSkillCastGfx(CECHostPlayer player, int skillId)
        {
            AddGfxEventsFromComAct(player?.GetSkillCastComAct(skillId), "Cast");
        }

        public void LogPlayAttackEffectGfx(CECHostPlayer player, int skillId, int section = 0)
        {
            if (player == null)
                return;
            AddGfxEventsFromComAct(player.GetSkillAttackComActRise(skillId, section), "Attack");
            AddGfxEventsFromComAct(player.GetSkillAttackComActFall(skillId, section), "Attack");
            LogSkillStubFlyHitGfx(skillId, section);
        }

        public void LogAttackEventGfx(CECAttackEvent ev)
        {
            if (ev == null || ev.m_idSkill == 0)
                return;

            LogSkillStubFlyHitGfx(ev.m_idSkill, ev.m_nSkillSection);
        }

        public void AddGfxEventsFromComAct(A3DCombinedAction comAct, string label)
        {
            if (string.IsNullOrEmpty(label) || comAct?.m_EventInfoLst == null)
            {
                return;
            }

            var seen = new HashSet<string>();
            foreach (var ev in comAct.m_EventInfoLst)
            {
                if (ev is not FX_BASE_INFO gfx || gfx.m_strFilePaths == null)
                {
                    continue;
                }

                foreach (string path in gfx.m_strFilePaths)
                {
                    if(!path.Contains("gfx"))
                    {
                        continue;
                    }
                    if (string.IsNullOrWhiteSpace(path))
                        continue;

                    string displayText = GfxBasename(path);

                    if (string.IsNullOrEmpty(displayText) || !seen.Add(displayText))
                        continue;

                    AddCopyTextButton(label, displayText, GfxAddressableExists(path), comAct.m_strName);
                }
            }
        }

        void LogSkillStubFlyHitGfx(int skillId, int section)
        {
            string fly = null;
            string hitGrnd = null;
            string hit = null;

            var atkMan = CECAttacksMan.Instance;
            if (section > 0 && atkMan?.m_pMultiSkillGfxComposerMan != null)
            {
                var composer = atkMan.m_pMultiSkillGfxComposerMan.GetSkillGfxComposer(skillId, section);
                if (composer != null)
                {
                    fly = composer.flyGfxName;
                    hit = composer.hitGfxName;
                    hitGrnd = composer.hitGrdGfxName;
                }
            }
            else
            {
                var composer = atkMan?.GetSkillGfxComposerMan()?.GetSkillGfxComposer(skillId);
                if (composer != null)
                {
                    fly = composer.flyGfxName;
                    hit = composer.hitGfxName;
                    hitGrnd = composer.hitGrdGfxName;
                }
            }

            if (string.IsNullOrEmpty(fly) && string.IsNullOrEmpty(hit) && string.IsNullOrEmpty(hitGrnd))
            {
                var paths = ElementSkill.GetAllGFX((uint)skillId);
                fly = paths.Item1;
                hitGrnd = paths.Item2;
                hit = paths.Item3;
            }

            AddGfxPathRow("Fly", fly);
            AddGfxPathRow("Hit", hit);
            AddGfxPathRow("HitGrnd", hitGrnd);
        }
    }
}