/**
 * Helper - 帮助小功能集
 * @author Tevin
 */

export class Helper {

    constructor() {
    }

    /**
     * 检查网络状态
     * @param {Function} callback
     */
    checkOnlineState(callback) {
        // 网页模式
        if (process.env.TARO_ENV === 'h5') {
            // 网络已开启
            if (navigator.onLine) {
                // 用图片资源测试网络状态
                const img = new Image();
                img.onload = () => {
                    img.onload = null;
                    callback && callback(true);
                };
                img.onerror = () => {
                    img.onerror = null;
                    callback && callback(false);
                };
                img.src = 'http://gz.zhiheiot.com/disp/download/buildArchive/online.png?t=' + Date.now();
            }
            // 网络未开启
            else {
                callback && callback(false);
            }
        }
        // 补充：小程序模式用 getNetworkType
    }

    /**
     * 播放App操作的提醒语音
     * @param {String} name
     */
    playOprSound(name) {
        const audio = new Audio('../assets/sound/' + name + '.mp3');
        audio.play();
    }

    /**
     * 显示调试面板（仅支持H5）
     * @param {{cssSelector,autoOpen}} options
     * @param {Function} [callback]
     */
    showDevConsole(options = {}, callback) {
        // 只支持 h5 编译
        if (process.env.TARO_ENV !== 'h5') {
            return;
        }
        const fileref = document.createElement('script');
        fileref.setAttribute('type', 'text/javascript');
        if (window.location.protocol === 'https:') {
            fileref.setAttribute('src', 'https://cdn.jsdelivr.net/npm/eruda');
        } else {
            fileref.setAttribute('src', 'http://cdn.jsdelivr.net/npm/eruda');
        }
        document.getElementsByTagName('head')[0].appendChild(fileref);
        const simulateTouch = (dom, type) => {
            const button = dom;
            const touch = new Touch({
                identifier: Date.now(),
                target: button,
                clientX: 0,
                clientY: 0,
                screenX: 0,
                screenY: 0,
                pageY: 0,
                pageX: 0,
                radiusX: 2.5,
                radiusY: 2.5,
                rotationAngle: 10,
                force: 0.5,
            });
            const touchstart = new TouchEvent(type, {
                cancelable: true,
                bubbles: true,
                composed: true,
                touches: [touch],
                targetTouches: [touch],
                changedTouches: [touch],
            });
            button.dispatchEvent(touchstart);
        };
        const erudaTimer = setInterval(() => {
            if (window.eruda) {
                clearInterval(erudaTimer);
                setTimeout(() => {
                    const container = document.createElement('div');
                    if (options.cssSelector) {
                        document.querySelector(options.cssSelector).appendChild(container);
                    } else {
                        document.getElementsByTagName('body')[0].appendChild(container);
                    }
                    window.eruda.init({
                        container: container,
                        useShadowDom: false,
                    });
                    if (options.autoOpen) {
                        let button = null;
                        setTimeout(() => {
                            button = document.querySelector('.eruda-entry-btn');
                        }, 50);
                        setTimeout(() => {
                            simulateTouch(button, 'touchstart');
                        }, 60);
                        setTimeout(() => {
                            simulateTouch(button, 'touchend');
                        }, 350);
                    }
                    setTimeout(() => {
                        console.warn('=====【艾信App调试模式】=====');
                    }, 800);
                    setTimeout(() => {
                        console.warn('点击右下角悬浮工具箱图标可以折叠面板');
                    }, 900);
                    setTimeout(() => {
                        callback && callback();
                    }, 1000);
                }, 100);

            }
        }, 100);
    }

}

export const $helper = new Helper();