#if UNITY_EDITOR
using ShrinkApp.Editor;
using ShrinkContext.AppAdapter;
using UnityEditor;
using UnityEditor.SceneManagement;
using UnityEngine;
using UnityEngine.UI;

namespace ShrinkApp.Starter.Basic.Editor
{
    public static class ShrinkAppBasicStarterGenerator
    {
        private const string MenuPath = "ShrinkApp/Starter/生成 Basic Entry 场景";
        private const string CompositionMenuPath = "ShrinkApp/Starter/创建默认 Cordis Composition";
        private const string CompositionPath = "Assets/Resources/ShrinkAppComposition.asset";

        [MenuItem(MenuPath)]
        public static void Generate()
        {
            EnsureAssets();
            BuildScene();
            AssetDatabase.SaveAssets();
            AssetDatabase.Refresh();
            Debug.Log("[ShrinkApp.Starter.Basic] 已生成 Basic Entry 场景与配置。");
        }

        [MenuItem(CompositionMenuPath)]
        public static void CreateDefaultCompositionAsset()
        {
            EnsureResourcesDirectory();
            var existing = AssetDatabase.LoadAssetAtPath<ShrinkAppCompositionProfile>(CompositionPath);
            if (existing != null)
            {
                Selection.activeObject = existing;
                return;
            }

            // 修复脚本/asmdef 变更期间可能留下的无主 .asset，而不是在同一路径叠加创建。
            if (!string.IsNullOrEmpty(AssetDatabase.AssetPathToGUID(CompositionPath)))
                AssetDatabase.DeleteAsset(CompositionPath);

            var composition = ScriptableObject.CreateInstance<ShrinkAppCompositionProfile>();
            composition.SetDocument(ShrinkAppBasicContextComposition.CreateDefaultDocument());
            AssetDatabase.CreateAsset(composition, CompositionPath);
            AssetDatabase.SaveAssets();
            AssetDatabase.Refresh();
            Selection.activeObject = composition;
        }

        private static void EnsureAssets()
        {
            ShrinkAppEditorMenu.CreateSettingsAsset();

            EnsureResourcesDirectory();

            const string dataSaverSettingsPath = "Assets/Resources/ShrinkDataSaverSettings.asset";
            if (AssetDatabase.LoadAssetAtPath<ScriptableObject>(dataSaverSettingsPath) == null)
            {
                var asset = ScriptableObject.CreateInstance("ShrinkDataSaverSettings");
                if (asset == null)
                    throw new System.InvalidOperationException(
                        "Cannot create ShrinkDataSaverSettings. Ensure ShrinkDataSaver.Runtime is imported and compiled.");

                AssetDatabase.CreateAsset(asset, dataSaverSettingsPath);
            }

            const string starterSettingsPath = "Assets/Resources/ShrinkAppBasicStarterSettings.asset";
            if (AssetDatabase.LoadAssetAtPath<ShrinkAppBasicStarterSettings>(starterSettingsPath) == null)
            {
                var starterAsset = ScriptableObject.CreateInstance<ShrinkAppBasicStarterSettings>();
                starterAsset.autoBindLoopbackTransport = true;
                starterAsset.defaultCommandText = "starter status";
                starterAsset.defaultLoopbackSessionId = 1;
                starterAsset.logCommandOutputToConsole = true;
                starterAsset.maxCommandOutputLines = 12;
                AssetDatabase.CreateAsset(starterAsset, starterSettingsPath);
            }

            CreateDefaultCompositionAsset();
        }

        private static void EnsureResourcesDirectory()
        {
            const string resourcesDir = "Assets/Resources";
            if (!AssetDatabase.IsValidFolder(resourcesDir))
                AssetDatabase.CreateFolder("Assets", "Resources");
        }

        private static void BuildScene()
        {
            const string scenesDir = "Assets/Scenes";
            if (!AssetDatabase.IsValidFolder(scenesDir))
                AssetDatabase.CreateFolder("Assets", "Scenes");

            var scene = EditorSceneManager.NewScene(NewSceneSetup.EmptyScene, NewSceneMode.Single);

            new GameObject("Main Camera", typeof(Camera));
            new GameObject("EventSystem", typeof(UnityEngine.EventSystems.EventSystem),
                typeof(UnityEngine.EventSystems.StandaloneInputModule));

            var canvasGo = new GameObject("Canvas", typeof(Canvas), typeof(CanvasScaler), typeof(GraphicRaycaster));
            var canvas = canvasGo.GetComponent<Canvas>();
            canvas.renderMode = RenderMode.ScreenSpaceOverlay;
            var scaler = canvasGo.GetComponent<CanvasScaler>();
            scaler.uiScaleMode = CanvasScaler.ScaleMode.ScaleWithScreenSize;
            scaler.referenceResolution = new Vector2(1920, 1080);

            var panelGo = new GameObject("Panel", typeof(RectTransform), typeof(Image));
            panelGo.transform.SetParent(canvasGo.transform, false);
            var panelRect = panelGo.GetComponent<RectTransform>();
            panelRect.sizeDelta = new Vector2(980f, 720f);
            panelRect.anchoredPosition = Vector2.zero;
            panelGo.GetComponent<Image>().color = new Color(0.12f, 0.15f, 0.2f, 0.92f);

            var statusText = CreateText("StatusText", panelGo.transform, new Vector2(0f, 240f), new Vector2(840f, 120f),
                "ShrinkApp Basic starter ready.");
            statusText.alignment = TextAnchor.MiddleCenter;
            var detailText = CreateText("DetailText", panelGo.transform, new Vector2(0f, 135f), new Vector2(840f, 140f),
                "app=False, save=False, cmd=False, net=False");
            detailText.alignment = TextAnchor.UpperLeft;
            detailText.fontSize = 20;
            var commandInputField = CreateInputField("CommandInput", panelGo.transform, new Vector2(0f, 20f),
                new Vector2(520f, 54f), "starter status");
            var outputText = CreateText("OutputText", panelGo.transform, new Vector2(0f, -250f), new Vector2(840f, 180f),
                string.Empty);
            outputText.alignment = TextAnchor.UpperLeft;
            outputText.fontSize = 20;
            outputText.horizontalOverflow = HorizontalWrapMode.Wrap;
            outputText.verticalOverflow = VerticalWrapMode.Overflow;
            var saveMetaText = CreateText("SaveMetaText", panelGo.transform, new Vector2(-280f, -430f), new Vector2(240f, 150f),
                "No save slots found.");
            saveMetaText.alignment = TextAnchor.UpperLeft;
            saveMetaText.fontSize = 18;
            var moduleText = CreateText("ModuleText", panelGo.transform, new Vector2(0f, -430f), new Vector2(240f, 150f),
                "No started modules.");
            moduleText.alignment = TextAnchor.UpperLeft;
            moduleText.fontSize = 18;
            var serviceText = CreateText("ServiceText", panelGo.transform, new Vector2(280f, -430f), new Vector2(240f, 150f),
                "No registered services.");
            serviceText.alignment = TextAnchor.UpperLeft;
            serviceText.fontSize = 18;
            var commandListText = CreateText("CommandListText", panelGo.transform, new Vector2(-280f, -600f), new Vector2(240f, 150f),
                "Command service not ready.");
            commandListText.alignment = TextAnchor.UpperLeft;
            commandListText.fontSize = 18;
            var networkText = CreateText("NetworkText", panelGo.transform, new Vector2(280f, -600f), new Vector2(240f, 150f),
                "Network service not ready.");
            networkText.alignment = TextAnchor.UpperLeft;
            networkText.fontSize = 18;

            var saveButton = CreateButton("SaveButton", panelGo.transform, new Vector2(-250f, -70f), "Save Slot 0");
            var loadButton = CreateButton("LoadButton", panelGo.transform, new Vector2(0f, -70f), "Load Slot 0");
            var commandButton = CreateButton("CommandButton", panelGo.transform, new Vector2(250f, -70f), "Run Command");
            var loopbackButton = CreateButton("LoopbackButton", panelGo.transform, new Vector2(-250f, -165f), "Bind Loopback");
            var disconnectButton = CreateButton("DisconnectLoopbackButton", panelGo.transform, new Vector2(0f, -165f), "Disconnect Loopback");
            var refreshButton = CreateButton("RefreshButton", panelGo.transform, new Vector2(250f, -165f), "Refresh Status");
            var clearOutputButton = CreateButton("ClearOutputButton", panelGo.transform, new Vector2(0f, -345f), "Clear Output");

            var controller = panelGo.AddComponent<ShrinkAppBasicSampleController>();
            var serializedObject = new SerializedObject(controller);
            serializedObject.FindProperty("statusText").objectReferenceValue = statusText;
            serializedObject.FindProperty("detailText").objectReferenceValue = detailText;
            serializedObject.FindProperty("outputText").objectReferenceValue = outputText;
            serializedObject.FindProperty("moduleText").objectReferenceValue = moduleText;
            serializedObject.FindProperty("serviceText").objectReferenceValue = serviceText;
            serializedObject.FindProperty("saveMetaText").objectReferenceValue = saveMetaText;
            serializedObject.FindProperty("commandListText").objectReferenceValue = commandListText;
            serializedObject.FindProperty("networkText").objectReferenceValue = networkText;
            serializedObject.FindProperty("saveButton").objectReferenceValue = saveButton;
            serializedObject.FindProperty("loadButton").objectReferenceValue = loadButton;
            serializedObject.FindProperty("commandButton").objectReferenceValue = commandButton;
            serializedObject.FindProperty("loopbackButton").objectReferenceValue = loopbackButton;
            serializedObject.FindProperty("refreshButton").objectReferenceValue = refreshButton;
            serializedObject.FindProperty("clearOutputButton").objectReferenceValue = clearOutputButton;
            serializedObject.FindProperty("disconnectLoopbackButton").objectReferenceValue = disconnectButton;
            serializedObject.FindProperty("commandInputField").objectReferenceValue = commandInputField;
            serializedObject.ApplyModifiedPropertiesWithoutUndo();

            EditorSceneManager.SaveScene(scene, "Assets/Scenes/ShrinkAppEntry.unity");
        }

        private static Text CreateText(string name, Transform parent, Vector2 anchoredPosition, Vector2 size, string text)
        {
            var go = new GameObject(name, typeof(RectTransform), typeof(Text));
            go.transform.SetParent(parent, false);
            var rect = go.GetComponent<RectTransform>();
            rect.sizeDelta = size;
            rect.anchoredPosition = anchoredPosition;
            var label = go.GetComponent<Text>();
            label.text = text;
            label.font = Resources.GetBuiltinResource<Font>("LegacyRuntime.ttf");
            label.fontSize = 28;
            label.color = Color.white;
            return label;
        }

        private static Button CreateButton(string name, Transform parent, Vector2 anchoredPosition, string labelText)
        {
            var go = new GameObject(name, typeof(RectTransform), typeof(Image), typeof(Button));
            go.transform.SetParent(parent, false);
            var rect = go.GetComponent<RectTransform>();
            rect.sizeDelta = new Vector2(220f, 72f);
            rect.anchoredPosition = anchoredPosition;
            go.GetComponent<Image>().color = new Color(0.24f, 0.45f, 0.75f, 1f);

            var label = CreateText("Label", go.transform, Vector2.zero, new Vector2(220f, 72f), labelText);
            label.alignment = TextAnchor.MiddleCenter;
            label.resizeTextForBestFit = true;
            label.resizeTextMinSize = 18;
            label.resizeTextMaxSize = 28;

            return go.GetComponent<Button>();
        }

        private static InputField CreateInputField(string name, Transform parent, Vector2 anchoredPosition, Vector2 size, string defaultText)
        {
            var go = new GameObject(name, typeof(RectTransform), typeof(Image), typeof(InputField));
            go.transform.SetParent(parent, false);
            var rect = go.GetComponent<RectTransform>();
            rect.sizeDelta = size;
            rect.anchoredPosition = anchoredPosition;
            go.GetComponent<Image>().color = new Color(0.08f, 0.1f, 0.14f, 1f);

            var text = CreateText("Text", go.transform, Vector2.zero, size, defaultText);
            text.alignment = TextAnchor.MiddleLeft;
            text.fontSize = 24;
            text.color = Color.white;
            var textRect = text.GetComponent<RectTransform>();
            textRect.offsetMin = new Vector2(16f, 8f);
            textRect.offsetMax = new Vector2(-16f, -8f);

            var placeholder = CreateText("Placeholder", go.transform, Vector2.zero, size, "Enter command...");
            placeholder.alignment = TextAnchor.MiddleLeft;
            placeholder.fontSize = 24;
            placeholder.color = new Color(1f, 1f, 1f, 0.35f);
            var placeholderRect = placeholder.GetComponent<RectTransform>();
            placeholderRect.offsetMin = new Vector2(16f, 8f);
            placeholderRect.offsetMax = new Vector2(-16f, -8f);

            var inputField = go.GetComponent<InputField>();
            inputField.textComponent = text;
            inputField.placeholder = placeholder;
            inputField.text = defaultText;
            return inputField;
        }
    }
}
#endif