#region Copyright RenGuiYou. All rights reserved.
//=====================================================
// NeatlyFrameWork
// Author:      RenGuiyou
// Feedback: 	mailto:750539605@qq.com
//=====================================================
#endregion

using Neatly.UI;
using UnityEngine;
using UnityEditor;
using UnityEngine.UI;

namespace NeatlyEditor.UI
{
    public class UICreateMenu
    {
        [MenuItem("GameObject/UI/Image")]
        static void CreateImage()
        {
            NImage img = CreateObj<NImage>("Image", Selection.activeTransform);
            img.raycastTarget = false;
        }

        [MenuItem("GameObject/UI/EmptyRaycast")]
        static void CreateEmptyRaycast()
        {
            EmptyRaycast emptyRay = CreateObj<EmptyRaycast>("EmptyRaycast", Selection.activeTransform);
            emptyRay.raycastTarget = true;
        }

        [MenuItem("GameObject/UI/Text")]
        static void CreateText()
        {
//            var font = AssetDatabase.LoadAssetAtPath<Font>("assets/data/ttf/fzcy.ttf");
            NText text = CreateObj<NText>("Text", Selection.activeTransform);
            text.fontSize = 20;
            text.rectTransform.sizeDelta = new Vector2(100, 30);
            text.raycastTarget = false;
            text.alignment = TextAnchor.MiddleCenter;
//            text.font = font;
        }

        [MenuItem("GameObject/UI/Button")]
        static void CreateSDButton()
        {
            NImage img = CreateObj<NImage>("Button", Selection.activeTransform);
            img.rectTransform.sizeDelta = new Vector2(160f, 160f);
            img.raycastTarget = true;
            var b = img.gameObject.AddComponent<NButton>();
            b.targetGraphic = img;
            NText t = CreateObj<NText>("Text", img.transform);
            t.rectTransform.sizeDelta = new Vector2(160f, 30f);
            t.SetText("Button");
            t.fontSize = 20;
            t.color = new Color(0, 0, 0);
            t.alignment = TextAnchor.MiddleCenter;
            t.raycastTarget = true;
        }

        [MenuItem("GameObject/UI/EmptyButton")]
        static void CreateEmptyButton()
        {
            EmptyRaycast emptyRay = CreateObj<EmptyRaycast>("Button", Selection.activeTransform);
            emptyRay.rectTransform.sizeDelta = new Vector2(160f, 30f);
            emptyRay.raycastTarget = true;
            Button b = emptyRay.gameObject.AddComponent<Button>();
            b.transition = Selectable.Transition.None;
        }

        [MenuItem("GameObject/UI/Slider")]
        static void CreateSlider()
        {
            NSlider slider = CreateObj<NSlider>("Slider", Selection.activeTransform);
            slider.rectTransform.sizeDelta = new Vector2(160f, 30f);
            NImage bg = CreateObj<NImage>("bg", slider.transform);
            bg.color = Color.white;
            SetAnchorFull(bg);
            RectTransform fillArea = CreateObj<RectTransform>("FillArea", slider.transform);
            SetAnchorFull(fillArea);
            NImage fillRect = CreateObj<NImage>("Fill", fillArea);
            fillRect.color = Color.green;
            SetAnchorFull(fillRect);
            slider.fillRect = fillRect.rectTransform;
            slider.SetValue(0.7f);
        }

        [MenuItem("GameObject/UI/Scroll View")]
        static void CreateScrollView()
        {
            var scroll = CreateObj<NScrollRect>("ScrollView", Selection.activeTransform);
            scroll.rectTransform.sizeDelta = new Vector2(400, 250);
            NImage viewport = CreateObj<NImage>("viewport", scroll.transform);
            SetAnchorFull(viewport);
            UIUtility.FixImageSprite(viewport, "block");
            viewport.raycastTarget = true;
            var mask = viewport.gameObject.AddComponent<Mask>();
            mask.showMaskGraphic = false;
            var fitter = CreateObj<ContentSizeFitter>("content", viewport.transform);
            var fitterRt = fitter.rectTransform();
            fitterRt.anchorMin = new Vector2(0, 1);
            fitterRt.anchorMax = Vector2.one;
            fitterRt.offsetMin = Vector2.zero;
            fitterRt.offsetMax = Vector2.zero;
            scroll.m_Viewport = viewport.rectTransform;
            scroll.m_Content = fitter.rectTransform();
        }

        [MenuItem("GameObject/UI/Check Box")]
        static void CreateCheckBox()
        {
            NCheckBox checkBox = CreateObj<NCheckBox>("CheckBox", Selection.activeTransform);
            checkBox.gameObject.AddComponent<EmptyRaycast>();
            checkBox.rectTransform.sizeDelta = new Vector2(200, 200);
            var bg = CreateObj<NImage>("bg", checkBox.transform);
            bg.rectTransform.sizeDelta = new Vector2(50, 50);
            var cross = CreateObj<NImage>("bg_cross", checkBox.transform);
            cross.rectTransform.sizeDelta = new Vector2(30f, 30f);
            cross.color = Color.red;
            checkBox.m_ImgCross = cross;
            NText text = CreateObj<NText>("text", checkBox.transform);
            text.rectTransform.sizeDelta = new Vector2(160f, 30f);
            text.SetText("CheckBox");
            text.fontSize = 20;
            text.color = new Color(0, 0, 0);
            text.alignment = TextAnchor.MiddleCenter;
            text.raycastTarget = true;
        }

        [MenuItem("GameObject/UI/Input Field")]
        static void CreateInputField()
        {
            var root = CreateObj<NImage>("InputField", Selection.activeTransform);
            var inputField = root.gameObject.AddComponent<NInputField>();
            NText text = CreateObj<NText>("Text", root.transform);
            var textRt = text.rectTransform;
            textRt.anchorMin = Vector2.zero;
            textRt.anchorMax = Vector2.one;
            textRt.sizeDelta = Vector2.zero;
            textRt.offsetMin = new Vector2(10, 6);
            textRt.offsetMax = new Vector2(-10, -7);
            text.SetText("");
            text.SetColor(Color.black);
            inputField.textComponent = text;
        }


        private static void SetAnchorFull(Component behaviour)
        {
            var rt = behaviour.transform as RectTransform;
            rt.anchorMin = Vector2.zero;
            rt.anchorMax = Vector2.one;
            rt.offsetMin = Vector2.zero;
            rt.offsetMax = Vector2.zero;
            rt.localPosition = Vector3.zero;
            rt.localScale = Vector3.one;
        }

        private static T CreateObj<T>(string name, Transform parent) where T : Component
        {
            GameObject obj = new GameObject();
            T component = obj.AddComponent<T>();
            obj.name = name;
            obj.transform.SetParent(parent);
            obj.transform.localScale = Vector3.one;
            obj.transform.localPosition = Vector3.zero;
            return component;
        }
    }
}