using UnityEngine;
using UnityEngine.UI;
using UnityEditor;

namespace Northbound.Editor
{
    public class NetworkUIBuilder
    {
        [MenuItem("GameObject/Network/Create Network Join UI")]
        public static void CreateNetworkJoinUI()
        {
            Canvas canvas = FindOrCreateCanvas();
            GameObject panel = CreatePanel(canvas.transform);
            
            InputField ipInput = CreateInputField(panel.transform, "IP Input", "127.0.0.1", 150);
            InputField portInput = CreateInputField(panel.transform, "Port Input", "7777", 100);
            
            Button joinButton = CreateButton(panel.transform, "Join", new Vector2(0, -80));
            Button hostButton = CreateButton(panel.transform, "Host", new Vector2(-60, -80));
            Button disconnectButton = CreateButton(panel.transform, "Disconnect", new Vector2(60, -80));
            
            Text statusText = CreateStatusText(panel.transform);
            
            NetworkJoinUI networkJoinUI = panel.AddComponent<NetworkJoinUI>();
            networkJoinUI.SetUIReferences(panel, ipInput, portInput, joinButton, hostButton, disconnectButton, statusText);
            
            Selection.activeGameObject = panel;
            Debug.Log("[NetworkUIBuilder] Network Join UI created!");
        }
        
        private static Canvas FindOrCreateCanvas()
        {
            Canvas[] canvases = Object.FindObjectsByType<Canvas>(FindObjectsSortMode.None);
            
            if (canvases.Length > 0)
            {
                return canvases[0];
            }
            
            GameObject canvasObj = new GameObject("NetworkCanvas");
            Canvas canvas = canvasObj.AddComponent<Canvas>();
            canvas.renderMode = RenderMode.ScreenSpaceOverlay;
            canvasObj.AddComponent<CanvasScaler>();
            canvasObj.AddComponent<GraphicRaycaster>();
            
            return canvas;
        }
        
        private static GameObject CreatePanel(Transform parent)
        {
            GameObject panel = new GameObject("NetworkJoinPanel");
            panel.transform.SetParent(parent, false);
            
            RectTransform rect = panel.AddComponent<RectTransform>();
            rect.anchorMin = new Vector2(0.5f, 0.5f);
            rect.anchorMax = new Vector2(0.5f, 0.5f);
            rect.pivot = new Vector2(0.5f, 0.5f);
            rect.sizeDelta = new Vector2(300, 250);
            rect.anchoredPosition = Vector2.zero;
            
            Image image = panel.AddComponent<Image>();
            image.color = new Color(0.1f, 0.1f, 0.1f, 0.95f);
            
            return panel;
        }
        
        private static InputField CreateInputField(Transform parent, string name, string placeholder, float width)
        {
            GameObject fieldObj = new GameObject(name);
            fieldObj.transform.SetParent(parent, false);
            
            RectTransform rect = fieldObj.AddComponent<RectTransform>();
            rect.anchorMin = new Vector2(0.5f, 0.5f);
            rect.anchorMax = new Vector2(0.5f, 0.5f);
            rect.pivot = new Vector2(0.5f, 0.5f);
            rect.sizeDelta = new Vector2(width, 30);
            
            int yPos = name.Contains("IP") ? 80 : 40;
            rect.anchoredPosition = new Vector2(0, yPos);
            
            Image bgImage = fieldObj.AddComponent<Image>();
            bgImage.color = new Color(0.2f, 0.2f, 0.2f, 1f);
            
            InputField inputField = fieldObj.AddComponent<InputField>();
            inputField.textComponent = CreateTextComponent(fieldObj.transform, "");
            inputField.text = placeholder;
            inputField.contentType = InputField.ContentType.Standard;
            
            Text placeholderText = CreateTextComponent(fieldObj.transform, placeholder);
            placeholderText.color = new Color(0.5f, 0.5f, 0.5f, 0.5f);
            inputField.placeholder = placeholderText;
            
            Text label = CreateTextComponent(parent, name.ToUpper());
            RectTransform labelRect = label.GetComponent<RectTransform>();
            labelRect.anchoredPosition = new Vector2(-width / 2 - 30, yPos);
            
            return inputField;
        }
        
        private static Button CreateButton(Transform parent, string text, Vector2 position)
        {
            GameObject buttonObj = new GameObject(text + "Button");
            buttonObj.transform.SetParent(parent, false);
            
            RectTransform rect = buttonObj.AddComponent<RectTransform>();
            rect.anchorMin = new Vector2(0.5f, 0.5f);
            rect.anchorMax = new Vector2(0.5f, 0.5f);
            rect.pivot = new Vector2(0.5f, 0.5f);
            rect.sizeDelta = new Vector2(80, 30);
            rect.anchoredPosition = position;
            
            Image bgImage = buttonObj.AddComponent<Image>();
            bgImage.color = new Color(0.3f, 0.5f, 0.8f, 1f);
            
            Button button = buttonObj.AddComponent<Button>();
            
            Text buttonText = CreateTextComponent(buttonObj.transform, text);
            buttonText.alignment = TextAnchor.MiddleCenter;
            
            return button;
        }
        
        private static Text CreateTextComponent(Transform parent, string text)
        {
            GameObject textObj = new GameObject("Text");
            textObj.transform.SetParent(parent, false);
            
            RectTransform rect = textObj.AddComponent<RectTransform>();
            rect.anchorMin = Vector2.zero;
            rect.anchorMax = Vector2.one;
            rect.offsetMin = Vector2.zero;
            rect.offsetMax = Vector2.zero;
            
            Text textComponent = textObj.AddComponent<Text>();
            textComponent.text = text;
            textComponent.font = Resources.GetBuiltinResource<Font>("Arial.ttf");
            textComponent.fontSize = 14;
            textComponent.color = Color.white;
            textComponent.alignment = TextAnchor.MiddleCenter;
            
            return textComponent;
        }
        
        private static Text CreateStatusText(Transform parent)
        {
            GameObject textObj = new GameObject("StatusText");
            textObj.transform.SetParent(parent, false);
            
            RectTransform rect = textObj.AddComponent<RectTransform>();
            rect.anchorMin = new Vector2(0.5f, 0.5f);
            rect.anchorMax = new Vector2(0.5f, 0.5f);
            rect.pivot = new Vector2(0.5f, 0.5f);
            rect.sizeDelta = new Vector2(280, 30);
            rect.anchoredPosition = new Vector2(0, -120);
            
            Text textComponent = textObj.AddComponent<Text>();
            textComponent.text = "Not connected";
            textComponent.font = Resources.GetBuiltinResource<Font>("Arial.ttf");
            textComponent.fontSize = 12;
            textComponent.color = Color.yellow;
            textComponent.alignment = TextAnchor.MiddleCenter;
            
            return textComponent;
        }
        
        [MenuItem("GameObject/Network/Create Network Helper")]
        public static void CreateNetworkHelper()
        {
            GameObject helperObj = new GameObject("NetworkConnectionHelper");
            helperObj.AddComponent<NetworkConnectionHelper>();
            
            Selection.activeGameObject = helperObj;
            Debug.Log("[NetworkUIBuilder] Network Connection Helper created!");
        }
    }
}