"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Attractor = void 0;
const tsparticles_engine_1 = require("tsparticles-engine");
const Attract_1 = require("./Options/Classes/Attract");
class Attractor extends tsparticles_engine_1.ExternalInteractorBase {
    constructor(engine, container) {
        super(container);
        this._engine = engine;
        if (!container.attract) {
            container.attract = { particles: [] };
        }
        this.handleClickMode = (mode) => {
            const options = this.container.actualOptions, attract = options.interactivity.modes.attract;
            if (!attract || mode !== "attract") {
                return;
            }
            if (!container.attract) {
                container.attract = { particles: [] };
            }
            container.attract.clicking = true;
            container.attract.count = 0;
            for (const particle of container.attract.particles) {
                if (!this.isEnabled(particle)) {
                    continue;
                }
                particle.velocity.setTo(particle.initialVelocity);
            }
            container.attract.particles = [];
            container.attract.finish = false;
            setTimeout(() => {
                if (!container.destroyed) {
                    if (!container.attract) {
                        container.attract = { particles: [] };
                    }
                    container.attract.clicking = false;
                }
            }, attract.duration * 1000);
        };
    }
    clear() {
    }
    init() {
        const container = this.container, attract = container.actualOptions.interactivity.modes.attract;
        if (!attract) {
            return;
        }
        container.retina.attractModeDistance = attract.distance * container.retina.pixelRatio;
    }
    interact() {
        return __awaiter(this, void 0, void 0, function* () {
            const container = this.container, options = container.actualOptions, mouseMoveStatus = container.interactivity.status === tsparticles_engine_1.mouseMoveEvent, events = options.interactivity.events, hoverEnabled = events.onHover.enable, hoverMode = events.onHover.mode, clickEnabled = events.onClick.enable, clickMode = events.onClick.mode;
            if (mouseMoveStatus && hoverEnabled && (0, tsparticles_engine_1.isInArray)("attract", hoverMode)) {
                this.hoverAttract();
            }
            else if (clickEnabled && (0, tsparticles_engine_1.isInArray)("attract", clickMode)) {
                this.clickAttract();
            }
        });
    }
    isEnabled(particle) {
        var _a;
        const container = this.container, options = container.actualOptions, mouse = container.interactivity.mouse, events = ((_a = particle === null || particle === void 0 ? void 0 : particle.interactivity) !== null && _a !== void 0 ? _a : options.interactivity).events;
        if ((!mouse.position || !events.onHover.enable) && (!mouse.clickPosition || !events.onClick.enable)) {
            return false;
        }
        const hoverMode = events.onHover.mode, clickMode = events.onClick.mode;
        return (0, tsparticles_engine_1.isInArray)("attract", hoverMode) || (0, tsparticles_engine_1.isInArray)("attract", clickMode);
    }
    loadModeOptions(options, ...sources) {
        if (!options.attract) {
            options.attract = new Attract_1.Attract();
        }
        for (const source of sources) {
            options.attract.load(source === null || source === void 0 ? void 0 : source.attract);
        }
    }
    reset() {
    }
    clickAttract() {
        const container = this.container;
        if (!container.attract) {
            container.attract = { particles: [] };
        }
        if (!container.attract.finish) {
            if (!container.attract.count) {
                container.attract.count = 0;
            }
            container.attract.count++;
            if (container.attract.count === container.particles.count) {
                container.attract.finish = true;
            }
        }
        if (container.attract.clicking) {
            const mousePos = container.interactivity.mouse.clickPosition, attractRadius = container.retina.attractModeDistance;
            if (!attractRadius || attractRadius < 0 || !mousePos) {
                return;
            }
            this.processAttract(mousePos, attractRadius, new tsparticles_engine_1.Circle(mousePos.x, mousePos.y, attractRadius));
        }
        else if (container.attract.clicking === false) {
            container.attract.particles = [];
        }
        return;
    }
    hoverAttract() {
        const container = this.container, mousePos = container.interactivity.mouse.position, attractRadius = container.retina.attractModeDistance;
        if (!attractRadius || attractRadius < 0 || !mousePos) {
            return;
        }
        this.processAttract(mousePos, attractRadius, new tsparticles_engine_1.Circle(mousePos.x, mousePos.y, attractRadius));
    }
    processAttract(position, attractRadius, area) {
        const container = this.container, attractOptions = container.actualOptions.interactivity.modes.attract;
        if (!attractOptions) {
            return;
        }
        const query = container.particles.quadTree.query(area, (p) => this.isEnabled(p));
        for (const particle of query) {
            const { dx, dy, distance } = (0, tsparticles_engine_1.getDistances)(particle.position, position);
            const velocity = attractOptions.speed * attractOptions.factor;
            const attractFactor = (0, tsparticles_engine_1.clamp)((0, tsparticles_engine_1.getEasing)(attractOptions.easing)(1 - distance / attractRadius) * velocity, 0, attractOptions.maxSpeed);
            const normVec = tsparticles_engine_1.Vector.create(distance === 0 ? velocity : (dx / distance) * attractFactor, distance === 0 ? velocity : (dy / distance) * attractFactor);
            particle.position.subFrom(normVec);
        }
    }
}
exports.Attractor = Attractor;