using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using Ichni;
using Ichni.Editor;
using Ichni.RhythmGame;
using Unity.VisualScripting;
using UnityEngine;
using UnityEngine.InputSystem;


public class FlexibleFloatTab : MonoBehaviour
{
    public FlexibleFloat flexibleFloat;

    public GraphicalFlexibleFloatWindow FatherWindow;

    public List<EventPoint> eventPoints;

    public RectTransform Area;
    public RectTransform BeatArea;

    public EventPoint eventPoint;
    public GameObject BeatLine;

    public FlexibleFloat connectFloat;
    public int BeatDeviver => FatherWindow.BeatDeviver;
    public void Initialize(FlexibleFloat flexibleFloat, string Title)
    {
        connectFloat = flexibleFloat;
        for (int i = 0; i < (int)EditorManager.instance.songInformation.song.length / FatherWindow.timePerBeat; i++)
        {
            GameObject u = Instantiate(BeatLine, BeatArea);
            u.transform.localPosition = new Vector3(BeatDeviver * i, 0, 0);
        }
        for (int i = 0; i <= flexibleFloat.animations.Count - 1; i++)
        {
            AnimatedFloat animatedFloat = flexibleFloat.animations[i];
            EventPoint eventPoint = Instantiate(this.eventPoint, Area);
            eventPoint.FatherTab = this;
            eventPoint.Initialize(animatedFloat);
            eventPoints.Add(eventPoint);
            if (i - 1 >= 0)
            {
                eventPoint.LastEventPoint = eventPoints[i - 1];
                eventPoint.LastEventPoint.NextEventPoint = eventPoint;
            }
            else eventPoint.LastEventPoint = null;
            if (i == flexibleFloat.animations.Count - 1) eventPoint.NextEventPoint = null;



        }
        foreach (var i in eventPoints)
        {
            i.ReDraw(scalevalue);
        }
        Area.localPosition = new Vector3(FatherWindow.songBeat * BeatDeviver, 0, 0);
    }
    public void Update()
    {

        Area.localPosition = new Vector3(-FatherWindow.songBeat * BeatDeviver, 0, 0);
        BeatArea.localPosition = Area.localPosition;

    }



    public void AddEvent()
    {
        if (Keyboard.current.ctrlKey.isPressed)
        {
            EventPoint eventPoint = Instantiate(this.eventPoint, Area);
            eventPoint.FatherTab = this;
            eventPoint.Initialize(new AnimatedFloat(GetBeat(), GetBeat() + 1f, 0, 0, AnimationCurveType.Linear));
            eventPoints.Insert(FindInsertIndex(eventPoint.animatedFloat.startTime), eventPoint);
            if (eventPoints.IndexOf(eventPoint) - 1 >= 0)
            {
                eventPoint.LastEventPoint = eventPoints[eventPoints.IndexOf(eventPoint) - 1];
                eventPoint.LastEventPoint.NextEventPoint = eventPoint;
            }

            if (eventPoints.IndexOf(eventPoint) + 1 < eventPoints.Count)
            {
                eventPoint.NextEventPoint = eventPoints[eventPoints.IndexOf(eventPoint) + 1];
                eventPoint.animatedFloat.endTime = eventPoint.NextEventPoint.animatedFloat.startTime;
            }
            eventPoint.ReDraw(scalevalue);
            //print(1);
        }

    }

    public int FindInsertIndex(float startTime)
    {
        int low = 0;
        int high = eventPoints.Count - 1;

        while (low <= high)
        {
            int mid = (low + high) / 2;
            if (eventPoints[mid].animatedFloat.startTime < startTime)
            {
                low = mid + 1;
            }
            else
            {
                high = mid - 1;
            }
        }

        return low;
    }

    float GetBeat()//这里出现问题：转换坐标
    {
        Vector2 mouseLocalPos = MousePosition2Local();
        float far = BeatArea.transform.localPosition.x;
        int Beat = 0;

        while (far < mouseLocalPos.x)
        {
            far += BeatDeviver;
            Beat++;
        }

        return FatherWindow.timePerBeat * Beat;
    }

    Vector2 MousePosition2Local()
    {
        Vector2 mousePosition = Mouse.current.position.ReadValue(); // 获取屏幕坐标
        Debug.Log($"Screen Position: {mousePosition}");
        Camera mainCamera;
        if (EditorManager.instance.cameraManager.isSceneCameraActive)
        {
            mainCamera = EditorManager.instance.cameraManager.sceneCamera.camera;
        }
        else
        {
            mainCamera = EditorManager.instance.cameraManager.gameCamera.camera;
        }



        Vector2 mouseWorldPos = mainCamera.ScreenToWorldPoint(mousePosition); // 屏幕坐标转世界坐标
        Debug.Log($"World Position: {mouseWorldPos}");

        Vector2 mouseLocalPos = transform.parent.transform.InverseTransformPoint(mouseWorldPos); // 世界坐标转本地坐标
        Debug.Log($"Local Position: {mouseLocalPos}");

        return mouseLocalPos;
    }

    public float scalevalue => FatherWindow.scalevalue;
    public void CurveScale(float value)
    {
        foreach (EventPoint i in eventPoints)
        {
            i.ReDraw(value);
        }
    }
    public void remoceAnim(AnimatedFloat a)
    {

        if (connectFloat.animations.Contains(a))
        {

            connectFloat.animations.Remove(a);
        }
    }
}