using System;
using System.Collections;
using System.Collections.Generic;
using Ichni.RhythmGame;
using Ichni.RhythmGame.Beatmap;
using UnityEngine;
using UnityEngine.Serialization;

namespace Ichni.Editor
{
    public class SceneCamera : MonoBehaviour, IBaseElement
    {
        [FormerlySerializedAs("camera")] public Camera sceneCamera;

        public GameCamera.CameraViewType viewType;
        public float perspectiveAngle;
        public float orthographicSize;

        public BaseElement_BM matchedBM { get; set; }

        [HideInInspector]
        public Vector3 cameraPosition; //注意，这里的Position和EulerAngles，是transform的中介变量，仅能用于Inspector显示！
        [HideInInspector]
        public Vector3 cameraEulerAngles;

        public void SetUpInspector()
        {
            IHaveInspection inspector = EditorManager.instance.uiManager.inspector;
            var container = inspector.GenerateContainer("Scene Camera");
            var viewTypeDropdown = inspector.GenerateDropdown(this, container, "View Type", typeof(GameCamera.CameraViewType), nameof(viewType));
            var perspectiveAngleField = inspector.GenerateInputField(this, container, "Perspective Angle", nameof(perspectiveAngle));
            var orthographicSizeField = inspector.GenerateInputField(this, container, "Orthographic Size", nameof(orthographicSize));
            viewTypeDropdown.AddListenerFunction(() => sceneCamera.orthographic = viewType == GameCamera.CameraViewType.Orthographic);
            perspectiveAngleField.AddListenerFunction(() => sceneCamera.fieldOfView = perspectiveAngle);
            orthographicSizeField.AddListenerFunction(() => sceneCamera.orthographicSize = orthographicSize);

            var positionInputFields = inspector.GenerateVector3InputField(this, container, "Position", nameof(cameraPosition), true);
            positionInputFields.AddListenerFunction(() => sceneCamera.transform.position = cameraPosition);

            var eulerAnglesInputFields = inspector.GenerateVector3InputField(this, container, "Euler Angles", nameof(cameraEulerAngles), true);
            eulerAnglesInputFields.AddListenerFunction(() => sceneCamera.transform.eulerAngles = cameraEulerAngles);


            container.SetDeviver(1);
        }

        private void Update()
        {
            cameraPosition = sceneCamera.transform.position;
            cameraEulerAngles = sceneCamera.transform.eulerAngles;
        }
    }
}