'use strict';

/**
 * 自动记录日志
 *
 * @author CaiAoLin
 * @date 2017/10/30
 * @version
 */
const os = require('os');

module.exports = options => {
    return function* autoLogger(next) {
        this.logId = this.app.uuid.v1();
        // 记录业务日志
        function getBussinessLogger(ctx) {
            if (ctx.url.match(/ledger/)) {
                return ctx.getLogger('ledger');
            } else if (ctx.url.match(/stage/)) {
                return ctx.getLogger('stage');
            }
            return ctx.getLogger('mixed');
        }

        if (this.url.indexOf('/public/') !== 0) {
            const bLogger = getBussinessLogger(this);
            if (this.session.sessionUser) {
                const logData = {
                    method: this.method,
                    user: this.session.sessionUser,
                    project: this.session.sessionProject,
                    data: this.request.body,
                };
                bLogger.info(JSON.stringify(logData));
            } else {
                const logData = {
                    method: this.method,
                    data: this.body,
                };
                bLogger.info(JSON.stringify(logData));
            }
            this.logInfo = { id: this.logId, time: new Date() };
            const cpus = os.cpus();
            this.logInfo.cpus = cpus.map(x => {
                return `${((1-x.times.idle/(x.times.idle+x.times.user+x.times.nice+x.times.sys+x.times.irq))*100).toFixed(2)}%`
            });
        }
        yield next;
    };
};