import { EventManager } from "@angular/platform-browser";
import { AbstractMesh, Ray, RayHelper, Vector3 } from "@babylonjs/core";
import { classToClass } from "class-transformer";
import { PlanComponent } from "src/app/pages/plan/plan.component";
import { ModelChangeType } from "../../controller/data-manager";
import { Event_KeyboardInput } from "../../controller/event-manager/events/event-keyboard-input";
import { Event_ModelInfoChange } from "../../controller/event-manager/events/event-modelinfo-change";
import { ModeManager, ModeType } from "../../controller/mode-manager";
import { BuildingStatus } from "../../controller/status/building-status";
import { IndoorStatus } from "../../controller/status/indoor-status";
import { StatusManager } from "../../controller/status/status-manager";
import { Game } from "../../game";
import { ModelData_facility, FacilityType } from "../../model/data/model-data/model-data-facility";
import { BuildingInfo } from "../../model/info/building/building-info";
import { ModelInfo } from "../../model/info/model/model-info";
import { ModelInfo_facility, FacilityInfoByType } from "../../model/info/model/model-info-facility";
import { GizmoTool } from "../../tool/gizmo-tool";
import { TsTool } from "../../tool/ts-tool";

import { BuildingWindow } from "../building-window/building-window";
import { UIBase } from "../window-base/ui-base";
import { FacilityInfoUIItem } from "./facilityinfo-ui-item";

//所有放在场景中的设备 信息界面
export class FacilityInfoInSceneWindow extends UIBase {
    static instance: FacilityInfoInSceneWindow;
    three: PlanComponent;//前端组件
    // scrollView: ScrollViewer;
    // content: StackPanel;

    /**
     * 当前选中的所有设备UI
     */
    currentFacility: FacilityInfoUIItem[] = [];

    /**
     * 当前显示的所有设备UI
     */
    facilityInfoUIItemes: FacilityInfoUIItem[] = [];

    copyFacilityInfo: CopyFacilityInfo = new CopyFacilityInfo();

    isMultiselect: boolean = false;//多选状态

    //#region 前端对接


    /**
     * 更新UI显示
     */
    updateUI() {
        //this.three.getAllCensusList(this.facilityInfoUIItemes || []);
    }

    /**
     * 改变多选状态
     * @param isMultiselect true表示多选。 默认是false
     */
    changeMultiSelect(isMultiselect: boolean) {
        this.isMultiselect = isMultiselect;
    }

    /**
     * 复制选中的设备
     */
    copyFacility() {
        this.copyFacilityInfo.facilityData = [];
        for (let i = 0; i < this.currentFacility.length; i++) {
            let data = classToClass(this.currentFacility[i].modelInfo.modelData);
            this.copyFacilityInfo.facilityData.push(data as ModelData_facility);
        }


        if (StatusManager.s_currentStatus instanceof IndoorStatus) {
            this.copyFacilityInfo.outDoor = false;
            this.copyFacilityInfo.buildingKey = StatusManager.s_currentStatus.indoorWindow.currentFloorUIItem.getIndoorKey();
        }
        else if (StatusManager.s_currentStatus instanceof BuildingStatus) {
            this.copyFacilityInfo.outDoor = true;
            this.copyFacilityInfo.buildingKey = StatusManager.s_currentStatus.currentBuildingInfo.buildingData.normalData.key;
        }

        return this.copyFacilityInfo;
    }



    /**
     * 单选设备
     * @param facilityInfoUIItem  null表示取消选中
     */
    selectFacilityItem(facilityInfoUIItem: FacilityInfoUIItem) {
        if (facilityInfoUIItem == null)//取消选中
        {
            if (this.currentFacility != null) {
                for (let i = 0; i < this.currentFacility.length; i++) {
                    this.currentFacility[i].onSelect(false);
                }
                this.currentFacility = [];

            }
        }
        else {
            if (this.currentFacility != null) {
                for (let i = 0; i < this.currentFacility.length; i++) {
                    this.currentFacility[i].onSelect(false);
                }
                this.currentFacility = [];
                this.currentFacility.push(facilityInfoUIItem);
                facilityInfoUIItem.onSelect(true);
            }

        }
    }

    /**
     * 多选设备
     * @param items  
     * @param select true表示选中，false表示取消选中
     */
    multiSelectFacilityItem(items: FacilityInfoUIItem[], select: boolean) {
        if (items == null) {
            return;
        }
        for (let i = 0; i < items.length; i++) {
            if (select) {
                items[i].onSelect(true);
                let isRepet = false;//重复的
                for (let j = 0; j < this.currentFacility.length; j++) {
                    if (this.currentFacility[j] == items[i]) {
                        isRepet = true;
                        break;
                    }
                }
                if (!isRepet) {
                    this.currentFacility.push(items[i]);
                    // console.log("添加进选中");
                }
            }
            else {
                items[i].onSelect(false);

                TsTool.arrayRemove(this.currentFacility, items[i])
                // console.log("取消选中", items[i].getID(), this.currentFacility);
            }
        }
    }



    //选中，通知前端
    selectFacilityItemToThree(facilityInfoUIItem: FacilityInfoUIItem[], isChecked?: boolean) {
        this.three = PlanComponent.instance;
        // if (this.isMultiselect) { // 多选
        //     if (isChecked) { //选中
        //         facilityInfoUIItem.forEach(element => {
        //             element.isChecked = isChecked
        //             let isFind = this.three.beforeOnefacilityInfoList.find(item => { return item === element.getID() })
        //             isFind == undefined || isFind == null ? this.three.beforeOnefacilityInfoList.push(element.getID()) : null
        //         })
        //     } else { //取消选中
        //         this.three.isShowRightNature = false
        //         facilityInfoUIItem.forEach(element => {
        //             element.isChecked = isChecked
        //             let index = this.three.beforeOnefacilityInfoList.findIndex(value => value === element.getID())
        //             index != undefined && index != null ? this.three.beforeOnefacilityInfoList.splice(index, 1) : null
        //         })
        //     }
        // } else { // 单选
        //     if (isChecked) { //选中
        //         this.three.beforeOnefacilityInfo = facilityInfoUIItem[0].getID();
        //         this.three.getPropertyData(facilityInfoUIItem[0])
        //     } else { //取消选中
        //         this.three.isShowRightNature = false
        //         this.three.beforeOnefacilityInfo = null
        //     }
        // }
    }

    /**
     * 显示某种type的消防设备，null表示全都
     * @param facilityType 
     */
    showFacilityByType(facilityType: FacilityType, show: boolean) {

        if (ModeManager.currentMode == ModeType.Look) {
            // for (let i = 0; i < this.facilityInfoUIItemes.length; i++) {
            //     let l_facilityData = (this.facilityInfoUIItemes[i].modelInfo.modelData) as ModelData_facility;
            //     if (facilityType == null || facilityType == l_facilityData.facilityType) {
            //         this.facilityInfoUIItemes[i].modelInfo.setEnable(show);
            //     }
            //     else if (show) {
            //         this.facilityInfoUIItemes[i].modelInfo.setEnable(false);
            //     }
            // }
            for (let i = 0; i < this.facilityInfoUIItemes.length; i++) {
                let l_facilityData = (this.facilityInfoUIItemes[i].modelInfo.modelData) as ModelData_facility;
                if (facilityType == null || facilityType == l_facilityData.facilityType) {
                    this.facilityInfoUIItemes[i].modelInfo.setIconEnable(show);
                }
            }
        }
        else {
            for (let i = 0; i < this.facilityInfoUIItemes.length; i++) {
                let l_facilityData = (this.facilityInfoUIItemes[i].modelInfo.modelData) as ModelData_facility;
                if (facilityType == null || facilityType == l_facilityData.facilityType) {
                    this.facilityInfoUIItemes[i].modelInfo.setIconEnable(show);
                }
            }
        }

    }

    /**
     * 根据类型获取设备在UI中的显示状态
     * @param facilityType 
     */
    getFacilityUIShowType(facilityType: FacilityType): boolean {
        // for (let i = 0; i < this.three.allFacilityInfoUIItemes.length; i++) {
        //     let item = this.three.allFacilityInfoUIItemes[i];
        //     if (item.type == facilityType) {
        //         return item.isShow;
        //     }
        // }
        return true;

    }

    /**
     * 删除某一类设备
     * @param facilityType 
     */
    deleteFacilityByType(facilityType: FacilityType) {
        let needDelete: FacilityInfoUIItem[] = [];
        for (let i = 0; i < this.facilityInfoUIItemes.length; i++) {
            if ((this.facilityInfoUIItemes[i].modelInfo.modelData as ModelData_facility).facilityType == facilityType) {
                needDelete.push(this.facilityInfoUIItemes[i]);
            }
        }

        for (let i = 0; i < needDelete.length; i++) {
            needDelete[i].askDelete(false);//不再单独询问
        }
    }

    //#endregion

    //#region 生命周期
    onInit() {

        super.onInit();

        FacilityInfoInSceneWindow.instance = this;
        // this.three = ThreeDimensionalHomeComponent.instance;
        // EventManager.addListener(Event_ModelInfoChange, this.onModelInfoChange);

        GizmoTool.onPickMeshInfoObservable.add(this.onClickModel);
        this.currentFacility = [];
        this.initKeyboardInput();
        this.initDragInput();


    }



    onClose() {
        super.onClose();
        //EventManager.removeCallback(Event_ModelInfoChange, this.onModelInfoChange);

        GizmoTool.onPickMeshInfoObservable.removeCallback(this.onClickModel);
    }

    //#region 键盘输入
    /**
     * 初始化键盘输入
     */
    initKeyboardInput() {
        let instance = this;
        // EventManager.addListener(Event_KeyboardInput, (eventData: Event_KeyboardInput) => {
        //     instance.onKeyboardInput(eventData);
        // })

    }
    /**
 * 接收到键盘事件
 * @param eventData 
 */
    onKeyboardInput(eventData: Event_KeyboardInput) {
        if (eventData.data.key == "Delete") //  删除。  后期看是否加入 Backspace 退格
        {
            //改由前端完成快捷键删除
            // if (this.currentFacility != null) {
            //     for (let i = 0; i < this.currentFacility.length; i++) {
            //         this.currentFacility[i].askDelete(false);
            //     }
            //     this.currentFacility = [];
            //     this.three.getAllCensusList(this.facilityInfoUIItemes || []);
            // }
        }
        else if (eventData.data.key == "X") //室内消火栓吸附墙
        {
            // 没做完，先搁置
            // let testNum = 5;//检测次数
            // let distance = 1;//检测距离
            // if (this.currentFacility != null) {
            //     for (let i = 0; i < this.currentFacility.length; i++) {
            //         let l_facility = this.currentFacility[i];
            //         if (l_facility.modelInfo.modelBox == null) {
            //             continue;
            //         }
            //         if (l_facility.getType() == FacilityType.SNXHS) //室内消火栓
            //         {
            //             let start = l_facility.modelInfo.modelBox.absolutePosition.clone();
            //             for (let x = -1; i < 2; i += 2) //x取1或-1
            //             {
            //                 for (let z = -testNum; z < testNum; z++) {
            //                     let dir = new Vector3(x, 0, z);
            //                     let ray = new Ray(start, dir, distance);
            //                     let rayHelper = new RayHelper(ray);//射线辅助器
            //                     rayHelper.show(SceneManager.Instance.scene);//debug射线，用于调试

            //                     let pickingInfo = SceneManager.Instance.scene.pickWithRay(ray, (mesh: AbstractMesh) => {
            //                         if (TsTool.stringContain(mesh.name, "SNXHS")) {
            //                             return false;
            //                         }
            //                         else {
            //                             return true;
            //                         }

            //                     });
            //                     let normal = pickingInfo.getNormal(true);
            //                     console.log(pickingInfo);
            //                 }
            //             }



            //         }
            //     }
            // }

        }
    }
    //#endregion

    //#region gizmo拖拽输入

    /**
     * gizmo拖拽输入
     */
    isGizmoDrag_pos: boolean = false;
    lastGizmoMesh_Pos: Vector3 = Vector3.Zero();

    /**
     * 初始化拖拽输入
     * 当多选时，移动一个要同时移动其他设备
     */
    initDragInput() {
        let instance = this;
        GizmoTool.s_gizmoManager.gizmos.positionGizmo.onDragStartObservable.add((eventData) => {
            instance.isGizmoDrag_pos = true;
            instance.saveLastGizmoMeshInfo();
        });
        GizmoTool.s_gizmoManager.gizmos.positionGizmo.onDragEndObservable.add((eventData) => {
            instance.isGizmoDrag_pos = false;
        });

        Game.instance.scene.onBeforeRenderObservable.add(() => {

            if (!instance.isGizmoDrag_pos) {
                return;
            }
            if (instance.isDragFacility()) {
                let offset = GizmoTool.s_nowPickAim.modelBox.position.subtract(instance.lastGizmoMesh_Pos);
                for (let i = 0; i < instance.currentFacility.length; i++) {
                    if (instance.currentFacility[i].modelInfo != (GizmoTool.s_nowPickAim as ModelInfo_facility)) {

                        // instance.currentFacility[i].modelInfo.modelData.transformData.position.x += offset.x;
                        // instance.currentFacility[i].modelInfo.modelData.transformData.position.y += offset.y;
                        // instance.currentFacility[i].modelInfo.modelData.transformData.position.z += offset.z;
                        instance.currentFacility[i].modelInfo.modelBox.position.x += offset.x;
                        instance.currentFacility[i].modelInfo.modelBox.position.y += offset.y;
                        instance.currentFacility[i].modelInfo.modelBox.position.z += offset.z;
                    }
                    else {
                        //console.log("移动的本体", i);
                    }
                }
                instance.saveLastGizmoMeshInfo();
            }
        })
    }

    /**
     * 保存上一帧的数据
     * @param facilityInfoInSceneWindow 
     */
    saveLastGizmoMeshInfo() {
        if (GizmoTool.s_nowPickAim != null && GizmoTool.s_nowPickAim instanceof ModelInfo_facility) {
            this.lastGizmoMesh_Pos = GizmoTool.s_nowPickAim.modelBox.position.clone();
        }

    }

    /**
     * 是否拖拽选中的设备
     */
    isDragFacility() {
        if (this.currentFacility == null || this.currentFacility.length < 2) {
            return false;
        }
        if (GizmoTool.s_nowPickAim != null && GizmoTool.s_nowPickAim instanceof ModelInfo_facility) {
            for (let i = 0; i < this.currentFacility.length; i++) {
                if (this.currentFacility[i].modelInfo == GizmoTool.s_nowPickAim) {
                    return true;
                }
            }
            return false;
        }
        else {
            return false;
        }
    }


    //#endregion

    //创建所有设备UI
    createAllFacilities(facilityByType: FacilityInfoByType[]) {
        this.clearFacilityInfoUIItemes();
        for (let i = 0; i < facilityByType.length; i++) {
            for (let j = 0; j < facilityByType[i].facilityInfo.length; j++) {

                this.addFacilityItem(facilityByType[i].facilityInfo[j]);
            }
        }



        //通知ui更新
        //this.three.getAllCensusList(this.facilityInfoUIItemes || []);
    }

    //清空设备UI item
    clearFacilityInfoUIItemes() {

        this.facilityInfoUIItemes.length = 0;
        this.currentFacility = [];
        //this.three.getAllCensusList(this.facilityInfoUIItemes || []);
    }


    //模型变化
    onModelInfoChange(modelInfoChange: Event_ModelInfoChange) {
        let instance: FacilityInfoInSceneWindow = FacilityInfoInSceneWindow.instance;
        if (modelInfoChange.modeleInfo instanceof ModelInfo_facility) {
            if (instance.isCurrentBuildingOrIndoor(modelInfoChange.modeleInfo.belongToBuilding)) {//严格隶属当前选中的建筑
                if (modelInfoChange.modelChangeType == ModelChangeType.Add) {
                    instance.addFacilityItem(modelInfoChange.modeleInfo);
                    //console.log("此建筑中添加", modelInfoChange.modeleInfo);
                }
                else if (modelInfoChange.modelChangeType == ModelChangeType.Remove) {
                    instance.removeFacilityItem(modelInfoChange.modeleInfo);
                    //console.log("此建筑中移除", modelInfoChange.modeleInfo);
                }
            }
            else {
                // console.log("不是此建筑");
            }
            // instance.three = ThreeDimensionalHomeComponent.instance;
            //instance.three.getAllCensusList(instance.facilityInfoUIItemes || []);
        } else { // 无设备 时
            // instance.three = ThreeDimensionalHomeComponent.instance;
            //instance.three.getAllCensusList(instance.facilityInfoUIItemes || []);
        }
    }

    //添加一个设备到UI
    addFacilityItem(facilityInfo: ModelInfo_facility) {
        let facilityInfoUIItem = new FacilityInfoUIItem(facilityInfo, this);
        this.facilityInfoUIItemes.push(facilityInfoUIItem);
        if (facilityInfo.isNew) {
            if (this.isMultiselect) {
                this.multiSelectFacilityItem([facilityInfoUIItem], true);
            }
            else {
                this.selectFacilityItem(facilityInfoUIItem);
            }

            // facilityInfo.setSelectEnable(true);
            // this.selectFacilityItemToThree(facilityInfoUIItem);
        }
        //this.onClickModel(facilityInfoUIItem);

    }

    //移除设备Item
    removeFacilityItem(facilityInfo: ModelInfo_facility) {
        let value = this.getFacilityItem(facilityInfo);

        TsTool.arrayRemove(this.currentFacility, value);

        if (value != null) {
            value.dispose();
        }
    }

    //获取item
    getFacilityItem(facilityInfo: ModelInfo_facility): FacilityInfoUIItem {
        let result: FacilityInfoUIItem;
        if (this.facilityInfoUIItemes == undefined && this.facilityInfoUIItemes == null) {
            result = null;
        }
        else {
            for (let i = 0; i < this.facilityInfoUIItemes.length; i++) {
                if (this.facilityInfoUIItemes[i].modelInfo == facilityInfo) {
                    result = this.facilityInfoUIItemes[i];
                    break;
                }
            }
        }

        return result;

    }

    //根据info找到相应的item，然后模拟选中
    selectFacilityInfo(facilityInfo: ModelInfo_facility) {

        let item: FacilityInfoUIItem = null;
        for (let i = 0; i < this.facilityInfoUIItemes.length; i++) {
            if (this.facilityInfoUIItemes[i].modelInfo == facilityInfo) {
                item = this.facilityInfoUIItemes[i];
                break;
            }
        }

        if (item == null) {
            item = new FacilityInfoUIItem(facilityInfo, this);
        }

        if (this.isMultiselect) {
            this.multiSelectFacilityItem([item], !item.isSelect);
        }
        else {
            // if (item.isSelect) {
            //     //this.selectFacilityItem(null);//取消选中
            // }
            // else {
            this.selectFacilityItem(item);
            // }

        }
    }

    //当点击了模型
    onClickModel(model: ModelInfo | FacilityInfoUIItem) {


    }

    /**
     * 设备是否属于当前选中的建筑
     * @param belongToBuilding 
     */
    isCurrentBuildingOrIndoor(belongToBuilding: BuildingInfo) {
        if (StatusManager.s_currentStatus instanceof BuildingStatus) {
            let buildingWindow = StatusManager.getStatus<BuildingStatus>(BuildingStatus).buildingWindow;
            return (buildingWindow != null && buildingWindow.currentBuidngItem != null && buildingWindow.currentBuidngItem.buildingInfo == belongToBuilding)
        }
        else if (StatusManager.s_currentStatus instanceof IndoorStatus) {
            let indoorKey = StatusManager.getStatus<IndoorStatus>(IndoorStatus).indoorWindow.currentFloorUIItem.getIndoorKey();
            return belongToBuilding.ModelInfo.key == indoorKey;
        }

    }

    /**
    * 取消选中当前选中的所有设备
    * @param select 
    */
    cancleAllCurrectFacilityItem() {
        if (this.currentFacility == null) {
            return;
        }
        this.selectFacilityItemToThree(this.currentFacility, false);
        for (let i = 0; i < this.currentFacility.length; i++) {
            this.currentFacility[i].onSelect(false);
        }
        this.currentFacility = [];

    }

}

/**
 * 复制的设备信息
 */
export class CopyFacilityInfo {
    outDoor: boolean;//室外
    buildingKey: String;
    facilityData: ModelData_facility[];
}