using UnityEngine;
using UnityEngine.UI;
using QFramework;
using ChivaXR;
using ChivaXR.Op;

namespace QFramework
{
    public class CameraPoseSetPanelData : UIPanelData
    {
    }
    public partial class CameraPoseSetPanel : UIPanel
    {
        StepListProxy m_StepListProxy;

        bool m_CameraState;
        protected override void OnInit(IUIData uiData = null)
        {
            mData = uiData as CameraPoseSetPanelData ?? new CameraPoseSetPanelData();
            // please add init code here

            m_StepListProxy = DAL.Instance.Get<StepListProxy>();

            NextBtn.onClick.AddListener(OnNextBtnClick);

            PreviousBtn.onClick.AddListener(OnPreviousBtnClick);

            AutoSettingCamera.onClick.AddListener(OnAutoSettingView);

            SaveCameraPose.onClick.AddListener(OnSaveCameraPoseBtnClick);

            SaveBtn.onClick.AddListener(OnSaveBtnClick);
        }

        //启动时记录当前状态
        private bool recordautoEnterNextProcessState;
        //启动时记录当前播放
        private bool recordplayView;
        protected override void OnOpen(IUIData uiData = null)
        {
            m_CameraState = RoamCameraController.Instance.toggle;
            RoamCameraController.Instance.SetCameraMoveState(true);

            recordautoEnterNextProcessState = ProcessManagement.Instance.autoEnterNextProcess;
            recordplayView = Preprocess_VoiceAndCamera.playView;

            Preprocess_VoiceAndCamera.playView = true;
            ProcessManagement.Instance.autoEnterNextProcess = false;
            Info.text = "";
        }

        protected override void OnShow()
        {
        }

        protected override void OnHide()
        {

        }

        protected override void OnClose()
        {
            RoamCameraController.Instance.toggle = m_CameraState;
            ProcessManagement.Instance.autoEnterNextProcess = recordautoEnterNextProcessState;
            Preprocess_VoiceAndCamera.playView = recordplayView;
        }

        private void OnNextBtnClick()
        {
            Info.text = "";

            ProcessManagement.Instance.JumpProcessState(ProcessManagement.Instance.currentStepID + 1);
            ProcessManagement.Instance.ActiveCurrentProcess();

        }

        private void OnPreviousBtnClick()
        {
            Info.text = "";
            ProcessManagement.Instance.JumpProcessState(ProcessManagement.Instance.currentStepID - 1);
            ProcessManagement.Instance.ActiveCurrentProcess();
        }

        private void OnSaveCameraPoseBtnClick()
        {
            m_StepListProxy.SetOperationCameraPoseById(ProcessManagement.Instance.currentStepID, RoamCameraController.Instance.transform.position,
                RoamCameraController.Instance.transform.eulerAngles);

            Info.text = "设置第" + ProcessManagement.Instance.currentStepID + "步,镜头信息:" + RoamCameraController.Instance.transform.position + "/" + RoamCameraController.Instance.transform.eulerAngles;

        }

        private void OnSaveBtnClick()
        {
            m_StepListProxy.SaveOperation();

            UIKit.ClosePanel<CameraPoseSetPanel>();
        }

        public void OnAutoSettingView()
        {
            PB_OpData pbOpData = ProcessManagement.Instance.GetCurrentProcess().GetComponent<PB_OpData>();
            OpTrigger_ToolPack opTrigger_ToolPack =
       OperationManager.Instance.GetOpData(pbOpData.opData.operationDataName).gameObject.GetComponent<OpTrigger_ToolPack>();

            if (opTrigger_ToolPack != null)
            {
                if (opTrigger_ToolPack.targetObjs.Count > 0)
                {
                    Transform viewTarget = opTrigger_ToolPack.targetObjs[0].transform;
                    Transform targetPoint = opTrigger_ToolPack.targetObjs[0].transform.GetComponentInChildren<MeshRenderer>().transform;

                    Bounds bound = GetBounds(targetPoint);

                    Vector3 targetPos = bound.center +
                         (bound.center - new Vector3(0, bound.center.y - 0.3f, 0)).normalized
                         * (bound.size.magnitude < 0.8f ? 0.8f : bound.size.magnitude);

                    Vector3 euler = Quaternion.LookRotation(bound.center - targetPos, Vector3.up).eulerAngles;

                    RoamCameraController.Instance.SetCameraState(targetPos, euler);
                }
            }
        }

        Vector3 GetEulerAnglesFromVectors(Vector3 forward, Vector3 up)
        {
            // 确保向量都被归一化了
            forward.Normalize();
            up.Normalize();

            // 右向量通过向上向量和前向量的叉乘得到
            Vector3 right = Vector3.Cross(up, forward);

            // 通过右向量和前向量得到旋转
            float roll = Mathf.Atan2(right.x, right.z) * Mathf.Rad2Deg;
            float pitch = Mathf.Asin(right.y) * Mathf.Rad2Deg;
            float yaw = Mathf.Atan2(up.x, up.z) * Mathf.Rad2Deg;

            return new Vector3(yaw, pitch, roll);
        }

        /// <summary>
        /// 获取Transform及其子级的包围盒（MeshRenderer），若MeshRenderer包围盒长度为0，则获取BoxCollider包围盒
        /// </summary>
        /// <param name="transform"></param>
        /// <returns></returns>
        private static Bounds GetBounds(Transform transform)
        {
            Quaternion oldRotation = Quaternion.identity;
            bool boundsInitialized = false;
            //Bounds bounds = new Bounds(transform.position, Vector3.zero);
            Bounds bounds = new Bounds();

            Renderer[] renderers = transform.GetComponentsInChildren<Renderer>();
            foreach (Renderer renderer in renderers)
            {
                if (!boundsInitialized)
                {
                    bounds = new Bounds(renderer.transform.position, Vector3.zero);
                    boundsInitialized = true;
                }
                bounds.Encapsulate(renderer.bounds);
            }

            if (bounds.size.magnitude == 0)
            {
                BoxCollider[] colliders = transform.GetComponentsInChildren<BoxCollider>();
                foreach (BoxCollider collider in colliders)
                {
                    if (!boundsInitialized)
                    {
                        bounds = new Bounds(collider.transform.position, Vector3.zero);
                        boundsInitialized = true;
                    }


                    bounds.Encapsulate(collider.bounds);
                }
            }
            return bounds;
        }
    }
}