using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using ObjectScripts;
using CSVReader;
namespace UIScripts
{
    public class EventSlider : MonoBehaviour
    {
        
        ///<summary>
        /// EventHandler to get Events from
        ///</summary>
        [SerializeField] AbstractEventHandler EventHandler;
        ///<summary>
        /// Canvas for each moving Timestamp
        ///</summary>
        [SerializeField] GameObject TimestampCanvas;
        ///<summary>
        /// Timeline slider
        ///</summary>
        [SerializeField] UnityEngine.UI.Slider Slider;
        ///<summary>
        /// Manager to control
        ///</summary>
        [SerializeField] AbstractManager Manager;
        ///<summary>
        /// Sprites for each Eventtype
        ///</summary>
        [SerializeField] Sprite[] EventImages;
        ///<summary>
        /// Dictionary to keep track of each timestamp canvas
        ///</summary>
        Dictionary<double, GameObject> Timestamps;
        ///<summary>
        /// number of known events
        ///</summary>
        private int KnownCount = 0;
        ///<summary>
        /// Left timeline postion
        ///</summary>
        private Vector3 MinPositon;
        void Start()
        {
            Timestamps = new Dictionary<double, GameObject>();
            MinPositon = TimestampCanvas.transform.position;
        }

        // Update is called once per frame
        void Update()
        {   
            //for each unknown event
            for (int i = KnownCount; i < EventHandler.EventList.Count; i++)
            {

                EventObject eventObject = EventHandler.EventList[i].Event;
                double timestamp = eventObject.TimestampStart;
                GameObject obj;
                if (Timestamps.TryGetValue(timestamp, out obj))
                {
                    EventStamp eventStamp = obj.GetComponent<EventStamp>();
                    eventStamp.addContent(EventHandler.EventList[i], EventImages[(int)eventObject.Type]);
                }
                else
                {
                    obj = Instantiate(TimestampCanvas, TimestampCanvas.transform.localPosition, Quaternion.Euler(0, 0, 0), transform);
                    obj.transform.localRotation = Quaternion.Euler(0, 0, 0);
                    obj.SetActive(true);
                    EventStamp eventStamp = obj.GetComponent<EventStamp>();
                    eventStamp.Slider = Slider;
                    eventStamp.Manager = Manager;
                    eventStamp.Timestamp = eventObject.TimestampStart;
                    eventStamp.addContent(EventHandler.EventList[i], EventImages[(int)eventObject.Type]);
                    Timestamps.Add(timestamp, obj);
                    obj.GetComponent<RectTransform>().anchoredPosition = new Vector2(0, -obj.GetComponent<RectTransform>().sizeDelta.y);
                }
                KnownCount += 1;

            }

        }
    }
}