'use strict';
import { ImporterBase } from "../common/base";
import { getBlendFactor2DTo3D, setColor } from "../common/utlis";

export const PARTICLESYSTEM2D = {
    "__type__": "cc.ParticleSystem2D",
    "_name": "",
    "_objFlags": 0,
    "node": null,
    "_enabled": true,
    "__prefab": null,
    "_materials": null,
    "_visFlags": 0,
    "_srcBlendFactor": 2,
    "_dstBlendFactor": 4,
    "_color": {
        "__type__": "cc.Color",
        "r": 255,
        "g": 255,
        "b": 255,
        "a": 255,
    },
    "preview": true,
    "_custom": false,
    "_file": null,
    "_spriteFrame": null,
    "_texture": null,
    "playOnLoad": true,
    "autoRemoveOnFinish": false,
    "_totalParticles": 150,
    "duration": -1,
    "emissionRate": 10,
    "life": 1,
    "lifeVar": 0,
    "_startColor": {
        "__type__": "cc.Color",
        "r": 255,
        "g": 255,
        "b": 255,
        "a": 255,
    },
    "_startColorVar": {
        "__type__": "cc.Color",
        "r": 0,
        "g": 0,
        "b": 0,
        "a": 0,
    },
    "_endColor": {
        "__type__": "cc.Color",
        "r": 255,
        "g": 255,
        "b": 255,
        "a": 0,
    },
    "_endColorVar": {
        "__type__": "cc.Color",
        "r": 0,
        "g": 0,
        "b": 0,
        "a": 0,
    },
    "angle": 90,
    "angleVar": 20,
    "startSize": 50,
    "startSizeVar": 0,
    "endSize": 0,
    "endSizeVar": 0,
    "startSpin": 0,
    "startSpinVar": 0,
    "endSpin": 0,
    "endSpinVar": 0,
    "sourcePos": {
        "__type__": "cc.Vec2",
        "x": 0,
        "y": 0,
    },
    "posVar": {
        "__type__": "cc.Vec2",
        "x": 0,
        "y": 0,
    },
    "_positionType": 0,
    "emitterMode": 0,
    "gravity": {
        "__type__": "cc.Vec2",
        "x": 0,
        "y": 0,
    },
    "speed": 180,
    "speedVar": 50,
    "tangentialAccel": 80,
    "tangentialAccelVar": 0,
    "radialAccel": 0,
    "radialAccelVar": 0,
    "rotationIsDir": false,
    "startRadius": 0,
    "startRadiusVar": 0,
    "endRadius": 0,
    "endRadiusVar": 0,
    "rotatePerS": 0,
    "rotatePerSVar": 0,
};

export class ParticleSystem2D {

    static create() {
        return JSON.parse(JSON.stringify(PARTICLESYSTEM2D));
    }

    static async migrate(json2D: any, json3D: any) {
        const source = JSON.parse(JSON.stringify(PARTICLESYSTEM2D));
        for (const key in json2D) {
            const value = json2D[key];
            if (key === '__type__' || value === undefined || value === null) { continue; }
            if (key === 'node') {
                source.node = value;
                setColor(source, value.__id__, json2D);
            }
            else if (key === '_N$preview') {
                source.preview = value;
            }
            else if (key === '_materials') {
                if (key === '_materials') {
                    source._materials = [];
                    for (let i = 0; i < value.length; ++i) {
                        let material = value[i];
                        if (material) {
                            material = {
                                __uuid__: await ImporterBase.getUuid(material.__uuid__),
                            };
                            source._materials.push(material);
                        }
                    }
                }
            }
            else if (key === '_totalParticles') {
                source.totalParticles = value;
            }
            else if (key === '_spriteFrame') {
                source._spriteFrame = {
                    __uuid__: await ImporterBase.getUuid(value.__uuid__, 'spriteFrame'),
                };
            }
            else if (key === '_texture') {
                source._texture = {
                    __uuid__: await ImporterBase.getUuid(value.__uuid__, 'texture'),
                };
            }
            else if (key === '_file') {
                source._file = {
                    __uuid__: await ImporterBase.getUuid(value.__uuid__),
                };
            } else if (key === '_dstBlendFactor') {
                source._dstBlendFactor = getBlendFactor2DTo3D(value);
            } else if (key === '_srcBlendFactor') {
                source._srcBlendFactor = getBlendFactor2DTo3D(value);
            }
            else {
                source[key] = value;
            }
        }
        return source;
    }

    static async apply(index: number, json2D: any, json3D: any) {
        const source = await ParticleSystem2D.migrate(json2D[index], json3D);
        json3D.splice(index, 1, source);
        return source;
    }
}