/**
 * Express router of api/
 */

import express from 'express';
import common from './common.mjs';
import HeroUnion from './heroUnion.mjs';

//初始化爬虫联盟
const heroUnion = new HeroUnion();
heroUnion.init();


const router = express.Router();

router.get('/', async (req, res) => {
    const apiList = {
        "/api/": "查看所有API",
        "/api/stats/": "查看联盟状态",
    };

    const data = {
        name: heroUnion.config.name,
        version: heroUnion.config.version,
        apis: apiList
    };
    return res.status(200).json(data);
});

router.post('/newtask/', async (req, res) => {
    
    return res.send('api/newtask/');
});

router.get('/gettask/', async (req, res) => {
    
    return res.send('api/gettask/');
});

router.post('/savetask/', async (req, res) => {
    
    return res.send('api/savetask/');
});

router.get('/querytask/', async (req, res) => {
    
    return res.send('api/querytask/');
});

/**
 * 参数列表
 * name
 * description
 * status: [idle, busy]
 * timestamp
 * country
 * lang
 */
router.post('/onboard/', async (req, res) => {
    let bot_name = req.body.name,
        bot_desc = req.body.description,
        status = req.body.status,
        timestamp = req.body.timestamp,
        country = req.body.country,
        lang = req.body.lang;
    
    let data = {
        "code": 0,
        "message": ""
    };

    //参数格式检查
    if (!bot_name || !bot_desc || !status || !timestamp) {
        data.message = '必填参数name、description、status、timestamp不能为空';
    }else if (common.isBotNameOk(bot_name) == false) {
        data.message = '爬虫名字必须是6 - 32位英文字母、下划线的组合';
    }else if (typeof(bot_desc) != 'string' || bot_desc.length > 100) {
        data.message = '爬虫简介必须是100个字符以内的字符串';
    }else if (common.isBotStatus(status) == false) {
        data.message = '爬虫状态status传参错误，其可选值：idle、busy';
    }else if (common.isTimestampInSeconds(timestamp) == false) {
        data.message = '时间戳timestamp请传秒数';
    }else if (country && common.isIosCountryCode(country) == false) {
        data.message = '国家代码country请传小写的两位字母，参考两位ISO CODES：https://countrycode.org/';
    }else if (lang && common.isIosLangCode(lang) == false) {
        data.message = '语言代码lang请传小写的两位字母，参考ISO 639-1 Code：https://www.loc.gov/standards/iso639-2/php/code_list.php';
    }

    if (!data.message) {
        let bot = {
            name: bot_name.toLowerCase(),
            description: bot_desc,
            status: status,
            timestamp: timestamp,
            //如果没传则填充默认值
            country: country ? country.toLowerCase() : 'cn',
            lang: lang ? lang.toLowerCase() : 'zh'
        };

        heroUnion.heroOnboard(bot);
        data.code = 1;
        data.message = '欢迎上船，因为有你，联盟将更健壮！';
    }

    return res.status(200).json(data);
});

router.get('/stats/', async (req, res) => {
    return res.status(200).json(heroUnion.getStats());
});

export default router;