import * as PIXI from 'pixi.js';
import * as TWEEDLE from 'tweedle.js';
import Http from '@/utils/http';
import { message } from 'antd';
import { API_TIMEOUT } from '@/config/setting'

import agv from '/public/img/map/agv.svg'
import shelf from '/public/img/map/shelf.png'
import point from '/public/img/map/point.svg'
import shuttle from '/public/img/map/shuttle.svg'

let app = null;
let mapContainer = null;
let notify = null;
let selectedSprite, effectTick, effectHalfCircle, effectRectangle;

export function syncApp(param) {
    app = param;
}

export function syncMapContainer(param) {
    mapContainer = param;
}

export function syncNotify(param) {
    notify = param;
}

export function getMapContainer() {
    return mapContainer;
}

export const MapEvent = Object.freeze({
    SELECTION_BOX: Symbol.for(0),
})

export const SENSOR_TYPE = Object.freeze({
    SHELF: "SHELF",
    SHUTTLE: "SHUTTLE",
    POINT: "POINT",
    AGV: "AGV",
})

export const SENSOR_ZINDEX = Object.freeze({
    SHELF: 1,
    POINT: 1,
    SHUTTLE: 100,
    AGV: 100,
})

export const SHELF_TYPE = Object.freeze({
    STORE: 0,
    TRACK: 3,
    DISABLE: 1,
})

export const NOTIFY_TYPE = Object.freeze({
    OPEN: 'open',
    SUCCESS: 'success',
    INFO: 'info',
    WARNING: 'warning',
    ERROR: 'error',
})

export const getRealPosition = (x, y, mapContainer) => {
    const rect = app.view.getBoundingClientRect();
    return {
        mapX: (x - rect.left) / mapContainer.scale.x - mapContainer.x / mapContainer.scale.x,
        mapY: (y - rect.top) / mapContainer.scale.y - mapContainer.y / mapContainer.scale.y
    }
}

export const generateSprite = (sensorType) => {
    let sprite;
    switch (sensorType) {
        case SENSOR_TYPE.SHUTTLE:
            sprite = new PIXI.Sprite(PIXI.Texture.from(shuttle, { resourceOptions: { scale: 5 } }));
            sprite.width = 50;
            sprite.height = 50;
            sprite.zIndex = SENSOR_ZINDEX.SHUTTLE;
            break;
        case SENSOR_TYPE.AGV:
            sprite = new PIXI.Sprite(PIXI.Texture.from(agv, { resourceOptions: { scale: 5 } }));
            sprite.width = 50;
            sprite.height = 50;
            sprite.zIndex = SENSOR_ZINDEX.AGV;
            break;
        case SENSOR_TYPE.SHELF:
            sprite = new PIXI.Sprite(PIXI.Texture.from(shelf, { resourceOptions: { scale: 1 } }));
            sprite.width = 60;
            sprite.height = 60;
            sprite.zIndex = SENSOR_ZINDEX.SHELF;
            break;
        case SENSOR_TYPE.POINT:
            sprite = new PIXI.Sprite(PIXI.Texture.from(point, { resourceOptions: { scale: 5 } }));
            sprite.width = 10;
            sprite.height = 10;
            sprite.zIndex = SENSOR_ZINDEX.POINT;
            break;
        default:
            break;
    }
    return sprite;
}

export const initSprite = (sprite, type) => {
    sprite.anchor.set(0.5);
    sprite.cursor = 'pointer';
    sprite.eventMode = 'static';
    sprite.data = {
        type: type,
        uuid: generateID()
    };
}

export const querySprite = (type, no) => {
    if (!mapContainer) {
        return;
    }
    for (const sprite of mapContainer.children) {
        if (sprite.data?.type === type && sprite.data?.no === no) {
            return sprite;
        }
    }
}

// show sprite feature from sprite click event
export const viewFeature = (sprite, setCurSPrite) => {
    sprite.off('pointerup');
    sprite.off('pointermove');
    sprite.off('pointerdown');
    sprite.off('click');

    sprite.on("click", onClick);

    function onClick(event) {
        setCurSPrite(sprite);
    }

}

// sprite be movable from sprite click event
export const beMovable = (sprite) => {
    sprite.off('pointerup');
    sprite.off('pointermove');
    sprite.off('pointerdown');
    sprite.off('click');

    sprite.on("pointerdown", onDragStart);

    let dragTarget;
    function onDragStart(event) {
        if (event.button === 0) {
            dragTarget = event.currentTarget;
            mapContainer.parent.off('pointermove');
            mapContainer.parent.on('pointermove', onDragMove, dragTarget);

            mapContainer.parent.off('pointerup');
            mapContainer.parent.on('pointerup', onDragEnd.bind(mapContainer));
        }
    }

    function onDragMove(event) {
        if (this) {
            this.parent.toLocal(event.global, null, this.position);
        }
    }

    function onDragEnd() {
        if (dragTarget) {
            this.parent.off('pointermove');
            this.parent.off('pointerup');
            dragTarget.alpha = 1;
            dragTarget = null;
        }
    }

}

// sprite be beSettings from sprite click event
export const beSettings = (sprite, setSpriteBySettings) => {
    sprite.off('pointerup');
    sprite.off('pointermove');
    sprite.off('pointerdown');
    sprite.off('click');

    sprite.on("click", onClick);

    function onClick(event) {
        setSpriteBySettings(sprite);
    }
}

// sprites be movable from select box
// the scale was dynamic
export const spriteListBeMovable = (selectedSprites, resetFn) => {
    if (selectedSprites && selectedSprites.length > 0) {
        let batchMove = false;
        let batchMoveStartPos = null;

        const batchMoving = (event) => {
            const scale = mapContainer.scale.x;
            if (batchMove && batchMoveStartPos) {
                // offset move val
                var mouseMovement = {
                    x: (event.global.x - batchMoveStartPos.x) / scale,
                    y: (event.global.y - batchMoveStartPos.y) / scale
                };
                for (let sprite of selectedSprites) {
                    sprite.position.x = sprite.batchMoveStartPos.x + mouseMovement.x;
                    sprite.position.y = sprite.batchMoveStartPos.y + mouseMovement.y;
                }
            }
        }

        const batchMoveEnd = (event) => {
            batchMove = false;
            batchMoveStartPos = null;
            selectedSprites.forEach(child => {
                unMarkSprite(child);
            })
            selectedSprites = [];
            mapContainer.parent.off('mousedown');
            mapContainer.parent.off('mousemove');
            mapContainer.parent.off('mouseup');

            if (resetFn) {
                resetFn();
            }
        }

        const batchMoveStart = (event) => {
            batchMoveStartPos = { x: event.data.global.clone().x, y: event.data.global.clone().y };
            selectedSprites.forEach(child => {
                child.batchMoveStartPos = { x: child.position.x, y: child.position.y };
            })

            batchMove = true;
            mapContainer.parent.off('mousemove');
            mapContainer.parent.on('mousemove', batchMoving);

            mapContainer.parent.off('mouseup');
            mapContainer.parent.on('mouseup', batchMoveEnd);
        }

        mapContainer.parent.off('mousedown')
        mapContainer.parent.on('mousedown', batchMoveStart);
    }
}

export const isSpriteInSelectionBox = (sprite, selectionBox) => {
    const spriteBounds = sprite.getBounds();
    const boxBounds = selectionBox.getBounds();

    return spriteBounds.x + spriteBounds.width > boxBounds.x
        && spriteBounds.x < boxBounds.x + boxBounds.width
        && spriteBounds.y + spriteBounds.height > boxBounds.y
        && spriteBounds.y < boxBounds.y + boxBounds.height;
}

export const showSelectedEffect = (sprite) => {
    const { width, height } = sprite;
    const scale = sprite.scale.x;
    const sideLen = (Math.max(width, height) + 10) * scale;
    const color = app.renderer.backgroundColor === '#f1f2f6' ? 0x273c75 : 0xffffff;

    effectHalfCircle = new PIXI.Graphics();
    effectHalfCircle.beginFill(color);
    effectHalfCircle.lineStyle(2 * scale, color);
    effectHalfCircle.arc(0, 0, sideLen, 0, Math.PI);
    effectHalfCircle.endFill();
    effectHalfCircle.position.set(sprite.x, sprite.y);
    effectHalfCircle.scale.set(1 / scale);
    effectHalfCircle.zIndex = 9999;

    effectRectangle = new PIXI.Graphics();
    effectRectangle.lineStyle(5 * scale, color, 1);
    effectRectangle.drawRoundedRect(0, 0, sideLen, sideLen, 16 * scale);
    effectRectangle.endFill();
    effectRectangle.mask = effectHalfCircle;
    effectRectangle.zIndex = 9999;

    const scaledWidth = sideLen * (1 / scale);
    const scaledHeight = sideLen * (1 / scale);

    effectRectangle.scale.set(1 / scale);
    effectRectangle.position.set(sprite.x - scaledWidth / 2, sprite.y - scaledHeight / 2);

    mapContainer.addChild(effectRectangle);
    mapContainer.addChild(effectHalfCircle);

    selectedSprite = sprite;

    let phase = 0;
    effectTick = (delta) => {
        phase += delta / 10;
        phase %= (Math.PI * 2);
        if (effectHalfCircle) {
            effectHalfCircle.rotation = phase;
        }
    };

    app.ticker.add(effectTick);
}

export const updateEffect = (sprite) => {
    if (!sprite || sprite !== selectedSprite || !effectRectangle || !effectHalfCircle) {
        return
    }
    const { width, height } = sprite;
    const scale = sprite.scale.x;
    const sideLen = (Math.max(width, height) + 10) * scale;
    const scaledWidth = sideLen * (1 / scale);
    const scaledHeight = sideLen * (1 / scale);

    effectRectangle.position.set(sprite.x - scaledWidth / 2, sprite.y - scaledHeight / 2);

    effectHalfCircle.position.set(sprite.x, sprite.y);
}

export const removeSelectedEffect = () => {
    if (effectTick) {
        app.ticker.remove(effectTick);
    }
    if (effectHalfCircle) {
        mapContainer.removeChild(effectHalfCircle);
        effectHalfCircle = null;
    }
    if (effectRectangle) {
        mapContainer.removeChild(effectRectangle);
        effectRectangle = null;
    }
    selectedSprite = null;
}

export const copySprite = (sprite) => {
    // const copiedSprite = new PIXI.Sprite(sprite.texture);
    const copiedSprite = generateSprite(sprite.data.type)
    initSprite(copiedSprite);
    copiedSprite.position.set(sprite.position.x, sprite.position.y);
    copiedSprite.scale.set(sprite.scale.x, sprite.scale.y);
    copiedSprite.rotation = sprite.rotation;
    copiedSprite.data = deepCopy(sprite.data);
    copiedSprite.data.uuid = generateID();
    if (copiedSprite.data.type === SENSOR_TYPE.SHELF) {
        showSheflType(copiedSprite);
    }
    return copiedSprite;
}

export const markSprite = (sprite) => {
    sprite.alpha = 0.5;
}

export const unMarkSprite = (sprite) => {
    sprite.alpha = 1;
}

export const generateID = () => {
    return Date.now().toString(36) + Math.random().toString(36).substring(2);
}

export const deepCopy = (data) => {
    return JSON.parse(JSON.stringify(data));
}

export const pureNumStr = (param) => {
    if (param) {
        return Number(param);
    } else {
        return '';
    }
}

export const rotationToNum = (rotation) => {
    let res = rotation * 180 / Math.PI;
    if (res < 0) {
        res += 360;
    } else if (res > 360) {
        res -= 360;
    }
    return res;
}

export const rotationParseNum = (num) => {
    return num * Math.PI / 180;
}

export const findSpriteByUuid = (uuid) => {
    return mapContainer?.children?.find(child => child?.data?.uuid === uuid);
}

export const sensorTypeSelectOptions = (intl) => {
    let options = [];
    Object.entries(SENSOR_TYPE).forEach(([key, value]) => {
        switch (key) {
            case SENSOR_TYPE.SHELF:
                options.push({
                    value: value,
                    label: intl.formatMessage({ id: 'map.sensor.type.shelf', defaultMessage: '货架' })
                })
                break;
            case SENSOR_TYPE.SHUTTLE:
                options.push({
                    value: value,
                    label: intl.formatMessage({ id: 'map.sensor.type.shuttle', defaultMessage: '穿梭车' })
                })
                break;
            case SENSOR_TYPE.AGV:
                options.push({
                    value: value,
                    label: intl.formatMessage({ id: 'map.sensor.type.agv', defaultMessage: '无人小车' })
                })
                break;
            case SENSOR_TYPE.POINT:
                options.push({
                    value: value,
                    label: intl.formatMessage({ id: 'map.sensor.type.point', defaultMessage: '定位点' })
                })
                break;
            default:
                break;
        }

    })
    return options;
}

export const fetchMapFloor = async () => {
    const res = await Http.doPost('api/map/floor/list');
    if (res.code === 200) {
        return eval(res.data);
    } else {
        mapNotify(res.msg, NOTIFY_TYPE.ERROR);
    }
}

export const fetchMapData = async (curFloor) => {
    clearMapData();
    await Http.doPostPromise('api/map/list', { floor: curFloor }, (res) => {
        const mapItemList = eval(res.data);
        mapItemList.forEach(item => {
            const sprite = generateSprite(item.type);
            if (sprite) {
                initSprite(sprite, item.type);
                // data
                sprite.data.uuid = item.uuid;
                sprite.data.no = item.no;

                // dynamical data
                Object.assign(sprite.data, item.property);

                showSheflType(sprite);
                // graph
                sprite.position.set(item.positionX, item.positionY);
                sprite.scale.set(item.scaleX, item.scaleY);
                sprite.rotation = rotationParseNum(item.rotation);

                mapContainer.addChild(sprite);
            }
        })

    }).catch((error) => {
        console.error(error);
    })
}

export const saveMapData = async (intl, floor) => {
    if (!mapContainer) {
        return;
    }

    let mapItemList = [];
    mapContainer?.children.forEach(child => {
        if (child.data?.uuid) {
            const { type, uuid, no, ...property } = child.data;
            mapItemList.push({
                // data
                type: type,
                uuid: uuid,
                no: no,
                property: property,

                // graph
                positionX: child.position.x,
                positionY: child.position.y,
                scaleX: child.scale.x,
                scaleY: child.scale.y,
                rotation: rotationToNum(child.rotation)
            })
        }
    })

    const closeLoading = message.loading({ content: intl.formatMessage({ id: 'common.loading.api.message', defaultMessage: '等待服务器......' }), duration: API_TIMEOUT });
    await Http.doPostPromise('api/map/save', {
        itemList: mapItemList,
        floor: floor
    }, (res) => {
        closeLoading();
    }).catch((error) => {
        closeLoading();
        console.error(error);
    })
}

export const clearMapData = (intl) => {
    if (!mapContainer) {
        return;
    }
    let childList = [];
    mapContainer.children.forEach(child => {
        if (child.data?.uuid) {
            childList.push(child);
        }
    })
    if (childList.length > 0) {
        childList.forEach(child => {
            mapContainer.removeChild(child);
            child.destroy({ children: true, texture: false, baseTexture: false });
        })
        childList.forEach((child, index) => {
            childList[index] = null;
        });
        childList = [];
    }
}

export const beCenter = (sprite) => {
    if (!sprite || !app || !mapContainer) {
        return;
    }

    mapContainer.scale.set(1);
    mapContainer.position.set(0, 0);

    let bounds = sprite.getBounds();
    let centerPoint = {
        x: bounds.x + bounds.width / 2,
        y: bounds.y + bounds.height / 2
    };

    let targetPos = {
        x: app.renderer.width / 3 - centerPoint.x * mapContainer.scale.x,
        y: app.renderer.height / 3 - centerPoint.y * mapContainer.scale.y
    };

    new TWEEDLE.Tween(mapContainer.position).easing(TWEEDLE.Easing.Quadratic.Out)
        .to(targetPos, 500).start();
}

export const mapNotify = (msg, type = NOTIFY_TYPE.OPEN) => {
    notify[type]({
        description: msg,
        duration: 1.5,
        style: { width: 300 },
        placement: 'bottom',
        closeIcon: false,
        onClick: () => { }
    });
}

export const showSheflType = (sprite) => {
    let showColor;
    switch (sprite.data.shelfType) {
        case SHELF_TYPE.STORE:
            break;
        case SHELF_TYPE.TRACK:
            showColor = '#faf6e9';
            break;
        case SHELF_TYPE.DISABLE:
            showColor = '#ffc8c8';
            break;
        default:
            break;
    }
    if (showColor) {
        sprite.tint = showColor;
    } else {
        sprite.tint = 0xFFFFFF;  // recovery
    }
    return showColor;
}

export const waitTime = (time = 1000) => {
    return new Promise((resolve) => {
        setTimeout(() => {
            resolve(true);
        }, time);
    });
};

export const isNullOfUndefined = (param) => {
    if (null === param || undefined === param) {
        return true;
    } else {
        return false;
    }
}

export const parseLocNo = (locNo) => {
    if (!locNo || typeof locNo !== 'string') {
        return null;
    }
    const locParseArr = locNo.split('-');
    return {
        row: locParseArr?.[0],
        bay: locParseArr?.[1],
        lev: locParseArr?.[2],
    }
}

export const generateLocNo = (row, bay, lev) => {
    return row + '-' + bay + '-' + lev;
}

export const updateMapStatusInRealTime = (data) => {
    const mapVo = JSON.parse(data);
    // shuttle
    for (const shuttleVo of mapVo.shuttleVos) {
        const shuttle = querySprite(SENSOR_TYPE.SHUTTLE, shuttleVo.shuttleNo);
        if (!shuttle && !shuttleVo.curLocNo) { continue; }
        const { row, bay, lev } = parseLocNo(shuttleVo.curLocNo);
        const shelf = querySprite(SENSOR_TYPE.SHELF, row + '-' + bay);
        if (!shelf) { continue; }

        drawPreTravelPath(shuttleVo.preTravelPath)

        new TWEEDLE.Tween(shuttle?.position).easing(TWEEDLE.Easing.Linear.None).to({
            x: shelf.position.x,
            y: shelf.position.y
        }, 1000).onUpdate(() => {
            updateEffect(shuttle);
        }).start();
    }
}


export const drawPreTravelPath = (path) => {
    if (!mapContainer) {
        return;
    }

    let pathLine = mapContainer.getChildByName('preTravelPath');
    if (pathLine) mapContainer.removeChild(pathLine);

    pathLine = new PIXI.Graphics();
    pathLine.name = 'preTravelPath';
    pathLine.lineStyle(3 * (1 / mapContainer.scale.x), 0x3498db, 1);
    pathLine.zIndex = 9999;
    for (let i = 0; i < path.length; i++) {
        const { row, bay, lev } = parseLocNo(path[i]);
        const shelf = querySprite(SENSOR_TYPE.SHELF, row + '-' + bay);

        if (!shelf) continue;
        let position = shelf.position;
        let x = position.x;
        let y = position.y;
        if (i === 0) {
            pathLine.moveTo(x, y);
        } else {
            pathLine.lineTo(x, y);
        }
    }
    mapContainer.addChild(pathLine);
}