using System;
using System.Collections.Generic;
using System.Linq;
using Sirenix.OdinInspector;
using Sirenix.OdinInspector.Editor;
using Sirenix.Utilities;
using Sirenix.Utilities.Editor;
using UnityEditor;
using UnityEngine;

namespace SDKPackage.Editor
{
    public class SDKPackageEditorWindow : OdinEditorWindow
    {
        [TableList(AlwaysExpanded = true, ShowIndexLabels = false,
            NumberOfItemsPerPage = 20, IsReadOnly = false)]
        [ShowInInspector]
        [PropertyOrder(1)]
        [HideLabel]
        private List<SDKPackageEntry> _packageEntries = new List<SDKPackageEntry>();

        [HorizontalGroup("Actions", Width = 0.5f)]
        [Button("全选", ButtonSizes.Small)]
        private void SelectAll()
        {
            foreach (var entry in _packageEntries)
                entry.selected = true;
        }

        [HorizontalGroup("Actions")]
        [Button("全不选", ButtonSizes.Small)]
        private void DeselectAll()
        {
            foreach (var entry in _packageEntries)
                entry.selected = false;
        }

        [HorizontalGroup("Actions")]
        [Button("刷新列表", ButtonSizes.Small)]
        private void RefreshList()
        {
            _packageEntries = SDKPackageHelper.BuildPackageEntries();
            ClearPreview();
        }

        [PropertySpace(4)]
        [HorizontalGroup("InstallActions")]
        [Button("预览变更", ButtonSizes.Medium)]
        [EnableIf("HasSelectedPackages")]
        private void Preview()
        {
            UpdatePreview(SDKPackageHelper.GetChangePreview(_packageEntries));
        }

        [HorizontalGroup("InstallActions")]
        [Button("安装选中包", ButtonSizes.Medium)]
        [EnableIf("HasSelectedPackages")]
        private void Install()
        {
            _logContent = "";
            SDKPackageHelper.InstallPackages(_packageEntries, Log);
            _currentDefines = SDKPackageHelper.GetCurrentDefines();
            UpdatePreview(SDKPackageHelper.GetChangePreview(_packageEntries));
        }

        [ShowIf("_hasNewDefines")]
        [Title("新增宏定义", titleAlignment: TitleAlignments.Left)]
        [ListDrawerSettings(IsReadOnly = true)]
        [ShowInInspector]
        [PropertyOrder(3)]
        private List<string> _newDefines = new List<string>();

        [ShowIf("_hasSkippedDefines")]
        [Title("跳过宏定义(已存在)", titleAlignment: TitleAlignments.Left)]
        [ListDrawerSettings(IsReadOnly = true)]
        [ShowInInspector]
        [PropertyOrder(3)]
        private List<string> _skippedDefines = new List<string>();

        [ShowIf("_hasPreviewFiles")]
        [Title("文件变更预览", titleAlignment: TitleAlignments.Left)]
        [ListDrawerSettings(IsReadOnly = true, NumberOfItemsPerPage = 10)]
        [ShowInInspector]
        [PropertyOrder(4)]
        private List<PackageFilePreview> _previewFiles = new List<PackageFilePreview>();

        [Title("当前宏定义", titleAlignment: TitleAlignments.Left)]
        [PropertyOrder(5)]
        [HideLabel]
        [DisplayAsString]
        [MultiLineProperty(3)]
        [ShowInInspector]
        private string _currentDefines;

        [Title("安装日志", titleAlignment: TitleAlignments.Left)]
        [PropertyOrder(6)]
        [MultiLineProperty(8)]
        [HideLabel]
        [ShowInInspector]
        private string _logContent = "";

        private bool _hasNewDefines;
        private bool _hasSkippedDefines;
        private bool _hasPreviewFiles;

        [MenuItem("Tools/*SDK包管理器", false, 210)]
        public static void ShowWindow()
        {
            var window = GetWindow<SDKPackageEditorWindow>();
            window.titleContent = new GUIContent("SDK包管理器");
            window.position = GUIHelper.GetEditorWindowRect().AlignCenter(800, 700);
            window.Show();
        }

        protected override void OnEnable()
        {
            base.OnEnable();
            _packageEntries = SDKPackageHelper.BuildPackageEntries();
            _currentDefines = SDKPackageHelper.GetCurrentDefines();
            _logContent = "";
            ClearPreview();
        }

        private bool HasSelectedPackages => _packageEntries != null && _packageEntries.Any(e => e.selected);

        private void UpdatePreview(ChangePreview preview)
        {
            _newDefines = preview?.NewDefines ?? new List<string>();
            _skippedDefines = preview?.SkippedDefines ?? new List<string>();
            _previewFiles = preview?.PackageFiles ?? new List<PackageFilePreview>();
            _hasNewDefines = _newDefines.Count > 0;
            _hasSkippedDefines = _skippedDefines.Count > 0;
            _hasPreviewFiles = _previewFiles.Count > 0;
        }

        private void ClearPreview()
        {
            _newDefines = new List<string>();
            _skippedDefines = new List<string>();
            _previewFiles = new List<PackageFilePreview>();
            _hasNewDefines = false;
            _hasSkippedDefines = false;
            _hasPreviewFiles = false;
        }

        private void Log(string message)
        {
            _logContent = string.IsNullOrEmpty(_logContent) ? message : $"{_logContent}\n{message}";
            Debug.Log($"[SDKPackage] {message}");
        }
    }
}