using System.Linq;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using Cysharp.Threading.Tasks;
using UVC.Command;
using UVC.UI.Modal;
using EnglewoodLAB.Modal.View;
using EnglewoodLAB.UI.Controller;
using TMPro;

namespace EnglewoodLAB.Modal
{
    public class ContentModalView : ModalView
    {
        private ScrollRect rectScroll;
        private RectTransform contentRect;

        private GameObject contentSelectprefab;
        private ContentButtonController controller;

        public override async UniTask OnOpen(ModalContent content)
        {
            if (contentSelectprefab == null)
            {
                contentSelectprefab = Resources.Load<GameObject>("UI/Prefab/Button/ContentSelectButton");
            }
            SetUI();
            await base.OnOpen(content);
        }

        public void Show()
        {
            gameObject.SetActive(true);
            //항상 첫 페이지가 보여야함
        }

        private void SetUI()
        {
            var textmeshpros = GetComponentsInChildren<TextMeshProUGUI>();
            var rectItems = GetComponentsInChildren<RectTransform>();
            var btns = GetComponentsInChildren<Button>();

            if (titleText == null)
            {
                titleText = textmeshpros.FirstOrDefault(x => x.name.Equals("Text_Title"));
            }

            if (confirmButton == null)
            {
                confirmButton = btns.FirstOrDefault(x => x.name.Equals("Button_Save"));
                if (confirmButton != null)
                    confirmButtonText = confirmButton.GetComponentInChildren<TextMeshProUGUI>();
            }

            if (cancelButton == null)
            {
                cancelButton = btns.FirstOrDefault(x => x.name.Equals("Button_Cancel"));
                if (cancelButton != null)
                    cancelButtonText = cancelButton.GetComponentInChildren<TextMeshProUGUI>();
            }

            if (closeButton == null)
            {
                closeButton = btns.FirstOrDefault(x => x.name.Equals("Button_Close"));
            }

            if (rectScroll == null)
            {
                rectScroll = GetComponentInChildren<ScrollRect>();
            }

            if (contentRect == null)
            {
                contentRect = rectItems.FirstOrDefault(x => x.name.Equals("ContentView"));
            }

            confirmButton.onClick.AddListener(OnConfirmButtonClicked);
            closeButton.onClick.AddListener(OnCloseButtonClicked);
            cancelButton.onClick.AddListener(OnCancelButtonClicked);

            controller = new();
        }

        public void AddContent(List<ModalContent> contents)
        {
            foreach (var content in contents)
            {
                //둘중 하나라도 없으면 생성안함. 
                if (string.IsNullOrEmpty(content.Title))
                    continue;
                if (string.IsNullOrEmpty(content.PrefabPath))
                    continue;
                //커텐츠 생성
                var asset = Resources.Load<SettingModalView>(content.PrefabPath);
                var item = Instantiate<SettingModalView>(asset, contentRect);
                item.OnOpen(content).Forget();
                //컨텐츠 버튼 생성
                AddScrollItem(content, item.gameObject);
            }
        }

        //버튼 컨트롤러도 만들어야 함...


        private void AddScrollItem(ModalContent content, GameObject contentItem)
        {
            var item = Instantiate(contentSelectprefab, rectScroll.content);

            if (item == null)
                return;

            var csb = new ContentSelectButton
            {
                Title = content.Title,
                IconSpritePath = "Prefabs/UI/images/ic_select_btn",
                ClickCommand = new ContentOpenCommand(contentItem)
            };

            var btn = item.GetComponent<Button>();

            btn.onClick.AddListener(
                () => controller.OnClickBtn(csb)
            );

            controller.AddItem(csb, btn);
        }


        public override async UniTask OnClose(ModalContent content)
        {
            await base.OnClose(content);
        }

        public override void OnConfirmButtonClicked()
        {
            //저장
            Hide();
        }

        public override void OnCancelButtonClicked()
        {
            Hide();
        }

        public override void OnCloseButtonClicked()
        {
            Hide();
        }

        public void Hide()
        {
            gameObject.SetActive(false);
            controller.Reset();
        }
    }

}