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'

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

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

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

export function getMapContainer() {
    return mapContainer;
}

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

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

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

// 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, setDidClickSprite) => {
    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) {
            setDidClickSprite(true);
            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) {
            setDidClickSprite(false);
            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, setDidClickSprite) => {
    sprite.off('pointerup');
    sprite.off('pointermove');
    sprite.off('pointerdown');
    sprite.off('click');

    sprite.on("click", onClick);

    function onClick(event) {
        setSpriteBySettings(sprite);
        // setDidClickSprite(true);
    }
}

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

        const batchMoving = (event) => {
            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.data.batchMoveStartPos.x + mouseMovement.x;
                    sprite.position.y = sprite.data.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');

            resetFn();
        }

        const batchMoveStart = (event) => {
            batchMoveStartPos = { x: event.data.global.clone().x, y: event.data.global.clone().y };
            selectedSprites.forEach(child => {
                child.data.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 = 0x273c75;

    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);

    effectRectangle = new PIXI.Graphics();
    effectRectangle.lineStyle(2 * scale, color, 1);
    effectRectangle.drawRoundedRect(0, 0, sideLen, sideLen, 16 * scale);
    effectRectangle.endFill();
    effectRectangle.mask = effectHalfCircle;

    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);

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

    app.ticker.add(effectTick);
}

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

export const copySprite = (sprite) => {
    const copiedSprite = new PIXI.Sprite(sprite.texture);
    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();
    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.AGV:
                options.push({
                    value: value,
                    label: intl.formatMessage({ id: 'map.sensor.type.agv', defaultMessage: '无人小车' })
                })
                break;
            default:
                break;
        }

    })
    return options;
}

export const fetchMapData = async (intl) => {
    clearMapData();
    await Http.doPostPromise('api/map/list', {}, (res) => {
        const mapItemList = res.data.itemList;
        mapItemList.forEach(item => {
            let sprite;
            switch (item.type) {
                case SENSOR_TYPE.SHELF:
                    sprite = PIXI.Sprite.from(shelf);
                    break;
                case SENSOR_TYPE.AGV:
                    sprite = PIXI.Sprite.from(agv);
                    break;
                default:
                    break;
            }
            if (sprite) {
                initSprite(sprite, item.type);
                // data
                sprite.data.uuid = item.uuid;
                sprite.data.no = item.no;

                // 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) => {
    if (!mapContainer) {
        return;
    }

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

                // 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 }, (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();
}