using System;
using System.Collections.Generic;
using GamePlay.Notice;
using UnityEditor;
using UnityEngine;

namespace NoticeAddress
{
    public class NoticeAddressSetWindow: EditorWindow
    {
        private const string CUSTOM_PROFILE_NAME = "自定义";
        
        
        private static Dictionary<string, NoticeAddressItemData> _defaultAddressDic = new Dictionary<string, NoticeAddressItemData>()
        {
            {"dev地址", new NoticeAddressItemData(
                "https://dev_openapi.kedrgame.com/api/v1/", 
                "uUi_UI1oMKWo0VOSN1zme17Z70-FlAv3Lcx2mNhoYe4=",
                "0SoE48O9sayjkG8J"
                )},
            {"pre地址", new NoticeAddressItemData(
                "https://pre_openapi.kedrgame.com/api/v1/", 
                "xYq_CUsU1q_K1w1uGDO3S9R7Y7-zcZ0K-C45_Aqz-xU=",
                "bYFEOhDAWNtISptP"
                )},
            {"release地址", new NoticeAddressItemData(
                "https://openapi.kedrgame.com/api/v1/", 
                "xYq_CUsU1q_K1w1uGDO3S9R7Y7-zcZ0K-C45_Aqz-xU=",
                "bYFEOhDAWNtISptP"
                )},
        };

        private static readonly string[] _profileOptions =
        {
            "dev地址",
            "pre地址",
            "release地址",
            CUSTOM_PROFILE_NAME,
        };

        [MenuItem("Tools/启动流程/公告地址切换")]
        public static void ShowWindow()
        {
            var window = GetWindow<NoticeAddressSetWindow>();
            window.Show();
        }

        private NoticeAddressData _addressData;
        private NoticeAddressItemData _customItemDataCache;
        private bool _hasCustomItemDataCache;

        private void OnGUI()
        {
            _EnsureAddressDataLoaded();
            
            GUILayout.Label("公告地址切换", EditorStyles.boldLabel);
            GUILayout.BeginVertical();

            _DrawProfilePopup();
            _DrawAddressField();
            
            if (GUILayout.Button("保存", GUILayout.Height(40)))
            {
                _SaveAddressData();
            }
            
            GUILayout.EndVertical();
        }

        private void _EnsureAddressDataLoaded()
        {
            if (_addressData != null)
            {
                return;
            }

            // 先从editor load
            var loadJson = EditorPrefs.GetString(NoticeAddressData.SAVE_KEY_NAME);
            if (string.IsNullOrEmpty(loadJson))
            {
                _addressData = new NoticeAddressData();
            }
            else
            {
                try
                {
                    _addressData = JsonUtility.FromJson<NoticeAddressData>(loadJson);
                    _TryUpgradeLegacyData(loadJson);
                }
                catch (Exception e)
                {
                    Debug.LogError($"公告地址数据反序列化失败了, loadJson:{loadJson}, error:{e}");
                    _addressData = new NoticeAddressData();
                }
            }

            if (_addressData == null)
            {
                _addressData = new NoticeAddressData();
            }

            _NormalizeAddressData();
        }

        private void _NormalizeAddressData()
        {
            _addressData.profileName = (_addressData.profileName ?? string.Empty).Trim();
            _addressData.itemData = _CloneItemData(_addressData.itemData);
            _TrimItemData(_addressData.itemData);

            if (string.IsNullOrEmpty(_addressData.profileName))
            {
                if (_TryGetProfileNameByAddress(_addressData.itemData.newAddress, out var matchedProfileName))
                {
                    _addressData.profileName = matchedProfileName;
                    _addressData.itemData = _CloneItemData(_defaultAddressDic[matchedProfileName]);
                    return;
                }

                _addressData.profileName = CUSTOM_PROFILE_NAME;
                _customItemDataCache = _CloneItemData(_addressData.itemData);
                _hasCustomItemDataCache = true;
                return;
            }

            if (_defaultAddressDic.TryGetValue(_addressData.profileName, out var defaultAddress))
            {
                _addressData.itemData = _CloneItemData(defaultAddress);
                return;
            }

            _addressData.profileName = CUSTOM_PROFILE_NAME;
            _customItemDataCache = _CloneItemData(_addressData.itemData);
            _hasCustomItemDataCache = true;
        }

        private void _DrawProfilePopup()
        {
            var currentIndex = _GetSelectedProfileIndex();
            var selectedIndex = EditorGUILayout.Popup("地址配置", currentIndex, _profileOptions);
            if (selectedIndex == currentIndex)
            {
                return;
            }

            var selectedProfileName = _profileOptions[selectedIndex];
            if (_IsCustomProfile(_addressData.profileName))
            {
                _customItemDataCache = _CloneItemData(_addressData.itemData);
                _hasCustomItemDataCache = true;
            }

            _addressData.profileName = selectedProfileName;
            if (_IsCustomProfile(selectedProfileName))
            {
                _addressData.itemData = _hasCustomItemDataCache ? _CloneItemData(_customItemDataCache) : new NoticeAddressItemData();
                return;
            }

            _addressData.itemData = _CloneItemData(_defaultAddressDic[selectedProfileName]);
        }

        private void _DrawAddressField()
        {
            if (_IsCustomProfile(_addressData.profileName))
            {
                var newAddress = EditorGUILayout.TextField("自定义地址", _addressData.itemData.newAddress);
                var httpKey = EditorGUILayout.TextField("SecretKey", _addressData.itemData.httpKey);
                var httpAccessKey = EditorGUILayout.TextField("AccessKey", _addressData.itemData.httpAccessKey);
                EditorGUILayout.HelpBox("配置为空则表示使用游戏内配置", MessageType.Warning);
                if (newAddress == _addressData.itemData.newAddress
                    && httpKey == _addressData.itemData.httpKey
                    && httpAccessKey == _addressData.itemData.httpAccessKey)
                {
                    return;
                }

                _addressData.itemData.newAddress = newAddress;
                _addressData.itemData.httpKey = httpKey;
                _addressData.itemData.httpAccessKey = httpAccessKey;
                _customItemDataCache = _CloneItemData(_addressData.itemData);
                _hasCustomItemDataCache = true;
                return;
            }

            EditorGUI.BeginDisabledGroup(true);
            EditorGUILayout.TextField("当前地址", _addressData.itemData.newAddress);
            EditorGUILayout.TextField("SecretKey", _addressData.itemData.httpKey);
            EditorGUILayout.TextField("AccessKey", _addressData.itemData.httpAccessKey);
            EditorGUI.EndDisabledGroup();
        }

        private int _GetSelectedProfileIndex()
        {
            for (var i = 0; i < _profileOptions.Length; i++)
            {
                if (_profileOptions[i] == _addressData.profileName)
                {
                    return i;
                }
            }

            return _profileOptions.Length - 1;
        }

        private bool _TryGetProfileNameByAddress(string address, out string profileName)
        {
            foreach (var pair in _defaultAddressDic)
            {
                if (string.Equals(pair.Value.newAddress, address, StringComparison.OrdinalIgnoreCase))
                {
                    profileName = pair.Key;
                    return true;
                }
            }

            profileName = string.Empty;
            return false;
        }

        private bool _IsCustomProfile(string profileName)
        {
            return string.Equals(profileName, CUSTOM_PROFILE_NAME, StringComparison.Ordinal);
        }

        private void _SaveAddressData()
        {
            var saveJson = JsonUtility.ToJson(_addressData);
            EditorPrefs.SetString(NoticeAddressData.SAVE_KEY_NAME, saveJson);
            Debug.Log($"公告地址数据保存了, saveJson:{saveJson}");
        }

        private void _TryUpgradeLegacyData(string loadJson)
        {
            if (_addressData == null || _addressData.itemData != null)
            {
                return;
            }

            var legacyData = JsonUtility.FromJson<LegacyNoticeAddressData>(loadJson);
            if (legacyData == null)
            {
                return;
            }

            _addressData.profileName = string.IsNullOrEmpty(_addressData.profileName) ? legacyData.profileName : _addressData.profileName;
            _addressData.itemData = new NoticeAddressItemData(legacyData.newAddress, string.Empty, string.Empty);
        }

        private NoticeAddressItemData _CloneItemData(NoticeAddressItemData source)
        {
            if (source == null)
            {
                return new NoticeAddressItemData();
            }

            return new NoticeAddressItemData(source.newAddress, source.httpKey, source.httpAccessKey);
        }

        private void _TrimItemData(NoticeAddressItemData itemData)
        {
            if (itemData == null)
            {
                return;
            }

            itemData.newAddress = (itemData.newAddress ?? string.Empty).Trim();
            itemData.httpKey = (itemData.httpKey ?? string.Empty).Trim();
            itemData.httpAccessKey = (itemData.httpAccessKey ?? string.Empty).Trim();
        }

        [Serializable]
        private class LegacyNoticeAddressData
        {
            public string profileName = string.Empty;
            public string newAddress = string.Empty;
        }

    }
}