using System;
using System.Reflection;
using UnityEditor;
using UnityEngine;


namespace HybridCLR.Editor.Installer
{
    public class InstallerWindow : EditorWindow
    {
        private InstallerController _controller;

        string _hybridclrVersion;
        string _il2cppPlusVersion;

        private void OnEnable()
        {
            _controller = new InstallerController();
            _hybridclrVersion = _controller.HybridCLRRepoInstalledVersion;
            if (string.IsNullOrWhiteSpace(_hybridclrVersion))
            {
                _hybridclrVersion = "main";
            }
            _il2cppPlusVersion = _controller.Il2CppRepoInstalledVersion;
            if (string.IsNullOrWhiteSpace(_il2cppPlusVersion))
            {
                _il2cppPlusVersion = $"{_controller.MajorVersion}-main";
            }
        }

        private void OnGUI()
        {
            var rect = new Rect
            {
                x = EditorGUIUtility.currentViewWidth - 24,
                y = 5,
                width = 24,
                height = 24
            };
            var content = EditorGUIUtility.IconContent("Settings");
            content.tooltip = "点击打开HybridCLR Settings";
            if (GUI.Button(rect, content, GUI.skin.GetStyle("IconButton")))
            {
                SettingsService.OpenProjectSettings("Project/HybridCLR Settings");
            }

            GUILayout.Space(10f);

            EditorGUILayout.BeginVertical("box");
            bool hasInstall = _controller.HasInstalledHybridCLR();
            EditorGUILayout.LabelField($"安装状态：{(hasInstall ? "已安装" : "未安装")}", EditorStyles.boldLabel);

            if (hasInstall)
            {
                EditorGUILayout.LabelField($"HybridCLR 版本:    {_controller.HybridclrLocalVersion}");
                GUILayout.Space(5f);
                EditorGUILayout.LabelField($"il2cpp_plus 版本:    {_controller.Il2cppPlusLocalVersion}");
                GUILayout.Space(5f);
                //GUIInstallButton("检查更新", "检查", UpdateHybridCLR);
                //GUILayout.Space(40f);
            }
            
            GUILayout.Space(10f);


            EditorGUILayout.BeginHorizontal();
            EditorGUILayout.LabelField("待安装的 hybridclr 仓库版本号(或branch或tag)(默认取最新版本):", GUILayout.MaxWidth(400));
            _hybridclrVersion = EditorGUILayout.TextField(_hybridclrVersion);
            EditorGUILayout.EndHorizontal();

            EditorGUILayout.BeginHorizontal();
            EditorGUILayout.LabelField($"待安装的 il2cpp_plus 仓库版本号(或branch或tag)(默认取{_controller.MajorVersion}-main分支最新版本):", GUILayout.MaxWidth(400));
            _il2cppPlusVersion = EditorGUILayout.TextField(_il2cppPlusVersion);
            EditorGUILayout.EndHorizontal();


            GUIInstallButton("安装hybridclr+il2cpp_plus代码到本地目录", "安装");
            EditorGUILayout.EndVertical();
        }

        private void GUIInstallButton(string content, string button)
        {
            EditorGUILayout.BeginHorizontal();
            EditorGUILayout.LabelField(content);
            if (GUILayout.Button(button, GUILayout.Width(100)))
            {
                InstallLocalHybridCLR();
                GUIUtility.ExitGUI();
            }
            EditorGUILayout.EndHorizontal();

        }

        private void InstallLocalHybridCLR()
        {
            if (!_controller.IsComaptibleVersion())
            {
                Debug.LogError($"il2cpp 版本不兼容，最小版本为 {_controller.GetCurrentUnityVersionMinCompatibleVersionStr()}");
                return;
            }
            if (string.IsNullOrWhiteSpace(_hybridclrVersion))
            {
                _hybridclrVersion = "main";
            }
            if (string.IsNullOrWhiteSpace(_il2cppPlusVersion))
            {
                _il2cppPlusVersion = $"{_controller.MajorVersion}-main";
            }
            _controller.InstallLocalHybridCLR(_hybridclrVersion, _il2cppPlusVersion);
        }
    }
}