using System;
using System.Collections;
using System.Collections.Generic;
using Sirenix.OdinInspector;
using TMPro;
using UnityEngine;
using UnityEngine.EventSystems;

namespace Beyond
{
    public class BlueprintScroll : MonoBehaviour, IPointerClickHandler
    {
        public BlueprintObject m_blueprintObject;
        public SignObject[] m_availableSigns;
        public RectTransform m_signSlotsContainer;
        public RectTransform m_signPopup;
        public RectTransform m_signPopupView;
        public BlueprintSlotButton m_slotPrefab;
        public BlueprintSignButton m_signPrefab;
        public Color m_selectedSlotColor;
        public int m_selectedId = -1;
        public TextMeshProUGUI m_title;
        public TextMeshProUGUI m_description;

        void ClearChildren(RectTransform root)
        {
            List<GameObject> objs = new List<GameObject>();
            for (int i = 0; i < root.childCount; i++)
            {
                objs.Add(root.GetChild(i).gameObject);
            }
            foreach (var o in objs)
            {
#if UNITY_EDITOR
                DestroyImmediate(o);
#else
                Destroy(o);
#endif
            }
        }


        internal void OnSignSelected(SignObject m_sign)
        {
            if (m_selectedId > -1)
            {
                var sb =m_signSlotsContainer.GetChild(m_selectedId).GetComponent<BlueprintSlotButton>();
                if (sb)
                {
                    sb.SetSign(m_sign);
                }
            }
        }

        internal void OnSlotClicked(BlueprintSlotButton slot)
        {
            Debug.Log("Slot id: " + slot.m_id);
            if (slot.m_id != m_selectedId)
            {
                m_selectedId = slot.m_id;
                //var colors = slot.m_button.colors;
                //colors.normalColor = m_selectedSlotColor;
                //slot.m_button.colors = colors;
            }
            else
            {
                m_selectedId = -1;
                //var colors = slot.m_button.colors;
                //colors.normalColor = Color.white;
                //slot.m_button.colors = colors;
            }
            if (m_selectedId != -1)
            {
                m_signPopup.gameObject.SetActive(true);
            }
            else
            {
                m_signPopup.gameObject.SetActive(false);

            }
        }

        internal void OnDeselect(BlueprintSlotButton blueprintSlotButton)
        {
            //m_signPopup.gameObject.SetActive(false);

        }

        // Start is called before the first frame update
        [Button]
        public void Populate()
        {
            if (m_blueprintObject == null)
            {
                Debug.LogWarning("Blueprint slot is null");
                return;
            }
            if (m_slotPrefab == null)
            {
                Debug.LogWarning("m_slotPrefab slot is null");
                return;
            }
            ClearChildren(m_signSlotsContainer);
            for (int i=0; i<m_blueprintObject.m_slots.Length; i++)
            {
                var slot = Instantiate<BlueprintSlotButton>(m_slotPrefab, m_signSlotsContainer.transform);
                slot.m_id = i;
            }
            ClearChildren(m_signPopupView);
            for (int i=0; i<m_availableSigns.Length; i++)
            {
                var sb = Instantiate<BlueprintSignButton>(m_signPrefab, m_signPopupView);
                sb.SetSign(m_availableSigns[i]);

            }
            m_title.text = m_blueprintObject.m_name;
            m_description.text = m_blueprintObject.m_description;
        }
        void Start()
        {
                m_signPopup.gameObject.SetActive(false);

        }

        // Update is called once per frame
        void Update()
        {

        }
        public void OnPointerClick(PointerEventData pointerEventData)
        {
            if (pointerEventData.pointerCurrentRaycast.gameObject.name == "Deselector")
            {
                m_signPopup.gameObject.SetActive(false);

            }
            //Output to console the clicked GameObject's name and the following message. You can replace this with your own actions for when clicking the GameObject.
            Debug.Log("Clicked: " + pointerEventData.pointerCurrentRaycast.gameObject.name);
        }
        public void OnSelect(BaseEventData eventData)
        {
            m_signPopup.gameObject.SetActive(false);
        }
    }
}