/**
 * 监控汇率变化
 * @author: Peng-YM
 * 更新地址：https://raw.githubusercontent.com/Peng-YM/QuanX/master/Tasks/exchange.js
 * 配置方法：
 * 1. 设置基准货币，默认人民币(CNY)。
 * 2. 设置保留几位小数。
 * @update ：YangZhaocool 
 */

const base = "CNY"; // 基准货币，可以改成其他币种
const digits = 2; // 保留几位有效数字

const $ = API("exchange");
const currencyNames = {
    CNY: ["人民币", "🇨🇳"],
    USD: ["美元", "🇺🇸"],
    HKD: ["港币", "🇭🇰"],
    JPY: ["日元", "🇯🇵"],
    EUR: ["欧元", "🇪🇺"],
    GBP: ["英镑", "🇬🇧"],
};


$.http.get({
    url: "https://api.exchangerate-api.com/v4/latest/CNY"
})
    .then((response) => {
        const data = JSON.parse(response.body);
        const source = currencyNames[base];

        const info = Object.keys(currencyNames).reduce((accumulator, key) => {
            let line = "";
            if (key !== base && data.rates.hasOwnProperty(key)) {
                const rate = parseFloat(data.rates[key]);
                const target = currencyNames[key];
                if (rate > 1) {
                    line = `${target[1]} 1${source[0]}兑${roundNumber(rate, digits)}${
                        target[0]
                    }\n`;
                } else {
                    line = `${target[1]} 1${target[0]}兑${roundNumber(1 / rate, digits)}${
                        source[0]
                    }\n`;
                }
            }
            return accumulator + line;
        }, "");
        $.notify(
            `[今日汇率] 基准：${source[1]} ${source[0]}`,
            `⏰ 更新时间：${data.date}`,
            `📈 汇率情况：\n${info}`
        );
    })
    .then(() => $.done());

function roundNumber(num, scale) {
    if (!("" + num).includes("e")) {
        return +(Math.round(num + "e+" + scale) + "e-" + scale);
    } else {
        let arr = ("" + num).split("e");
        let sig = "";
        if (+arr[1] + scale > 0) {
            sig = "+";
        }
        return +(
            Math.round(+arr[0] + "e" + sig + (+arr[1] + scale)) +
            "e-" +
            scale
        );
    }
}

// prettier-ignore
/*********************************** API *************************************/
function ENV(){const e="undefined"!=typeof $task,t="undefined"!=typeof $loon,s="undefined"!=typeof $httpClient&&!t,i="function"==typeof require&&"undefined"!=typeof $jsbox;return{isQX:e,isLoon:t,isSurge:s,isNode:"function"==typeof require&&!i,isJSBox:i,isRequest:"undefined"!=typeof $request,isScriptable:"undefined"!=typeof importModule}}function HTTP(e={baseURL:""}){const{isQX:t,isLoon:s,isSurge:i,isScriptable:n,isNode:o}=ENV(),r=/https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&\/\/=]*)/;const u={};return["GET","POST","PUT","DELETE","HEAD","OPTIONS","PATCH"].forEach(l=>u[l.toLowerCase()]=(u=>(function(u,l){l="string"==typeof l?{url:l}:l;const h=e.baseURL;h&&!r.test(l.url||"")&&(l.url=h?h+l.url:l.url);const a=(l={...e,...l}).timeout,c={onRequest:()=>{},onResponse:e=>e,onTimeout:()=>{},...l.events};let f,d;if(c.onRequest(u,l),t)f=$task.fetch({method:u,...l});else if(s||i||o)f=new Promise((e,t)=>{(o?require("request"):$httpClient)[u.toLowerCase()](l,(s,i,n)=>{s?t(s):e({statusCode:i.status||i.statusCode,headers:i.headers,body:n})})});else if(n){const e=new Request(l.url);e.method=u,e.headers=l.headers,e.body=l.body,f=new Promise((t,s)=>{e.loadString().then(s=>{t({statusCode:e.response.statusCode,headers:e.response.headers,body:s})}).catch(e=>s(e))})}const p=a?new Promise((e,t)=>{d=setTimeout(()=>(c.onTimeout(),t(`${u} URL: ${l.url} exceeds the timeout ${a} ms`)),a)}):null;return(p?Promise.race([p,f]).then(e=>(clearTimeout(d),e)):f).then(e=>c.onResponse(e))})(l,u))),u}function API(e="untitled",t=!1){const{isQX:s,isLoon:i,isSurge:n,isNode:o,isJSBox:r,isScriptable:u}=ENV();return new class{constructor(e,t){this.name=e,this.debug=t,this.http=HTTP(),this.env=ENV(),this.node=(()=>{if(o){return{fs:require("fs")}}return null})(),this.initCache();Promise.prototype.delay=function(e){return this.then(function(t){return((e,t)=>new Promise(function(s){setTimeout(s.bind(null,t),e)}))(e,t)})}}initCache(){if(s&&(this.cache=JSON.parse($prefs.valueForKey(this.name)||"{}")),(i||n)&&(this.cache=JSON.parse($persistentStore.read(this.name)||"{}")),o){let e="root.json";this.node.fs.existsSync(e)||this.node.fs.writeFileSync(e,JSON.stringify({}),{flag:"wx"},e=>console.log(e)),this.root={},e=`${this.name}.json`,this.node.fs.existsSync(e)?this.cache=JSON.parse(this.node.fs.readFileSync(`${this.name}.json`)):(this.node.fs.writeFileSync(e,JSON.stringify({}),{flag:"wx"},e=>console.log(e)),this.cache={})}}persistCache(){const e=JSON.stringify(this.cache,null,2);s&&$prefs.setValueForKey(e,this.name),(i||n)&&$persistentStore.write(e,this.name),o&&(this.node.fs.writeFileSync(`${this.name}.json`,e,{flag:"w"},e=>console.log(e)),this.node.fs.writeFileSync("root.json",JSON.stringify(this.root,null,2),{flag:"w"},e=>console.log(e)))}write(e,t){if(this.log(`SET ${t}`),-1!==t.indexOf("#")){if(t=t.substr(1),n||i)return $persistentStore.write(e,t);if(s)return $prefs.setValueForKey(e,t);o&&(this.root[t]=e)}else this.cache[t]=e;this.persistCache()}read(e){return this.log(`READ ${e}`),-1===e.indexOf("#")?this.cache[e]:(e=e.substr(1),n||i?$persistentStore.read(e):s?$prefs.valueForKey(e):o?this.root[e]:void 0)}delete(e){if(this.log(`DELETE ${e}`),-1!==e.indexOf("#")){if(e=e.substr(1),n||i)return $persistentStore.write(null,e);if(s)return $prefs.removeValueForKey(e);o&&delete this.root[e]}else delete this.cache[e];this.persistCache()}notify(e,t="",l="",h={}){const a=h["open-url"],c=h["media-url"];if(s&&$notify(e,t,l,h),n&&$notification.post(e,t,l+`${c?"\n多媒体:"+c:""}`,{url:a}),i){let s={};a&&(s.openUrl=a),c&&(s.mediaUrl=c),"{}"===JSON.stringify(s)?$notification.post(e,t,l):$notification.post(e,t,l,s)}if(o||u){const s=l+(a?`\n点击跳转: ${a}`:"")+(c?`\n多媒体: ${c}`:"");if(r){require("push").schedule({title:e,body:(t?t+"\n":"")+s})}else console.log(`${e}\n${t}\n${s}\n\n`)}}log(e){this.debug&&console.log(`[${this.name}] LOG: ${this.stringify(e)}`)}info(e){console.log(`[${this.name}] INFO: ${this.stringify(e)}`)}error(e){console.log(`[${this.name}] ERROR: ${this.stringify(e)}`)}wait(e){return new Promise(t=>setTimeout(t,e))}done(e={}){s||i||n?$done(e):o&&!r&&"undefined"!=typeof $context&&($context.headers=e.headers,$context.statusCode=e.statusCode,$context.body=e.body)}stringify(e){if("string"==typeof e||e instanceof String)return e;try{return JSON.stringify(e,null,2)}catch(e){return"[object Object]"}}}(e,t)}
/*****************************************************************************/