const config = require("../etc/config.json");
const mysql = require('mysql2/promise');
const dbConfig = config.isDebug?config.debug_mysql:config.release_mysql
const taskdbConfig = config.isDebug?config.debug_task_mysql:config.release_task_mysql
const redis_help = require('../src/use_redis');
const CMD = {}
async function processTask(){
    let right_status = true
    let connection  = null
    try{
        connection = await mysql.createConnection({
            ...taskdbConfig,
            multipleStatements: true
        });

        //先获取所有没有父id的七猫免费书籍
        const [rows] = await connection.execute(
            `SELECT * FROM video_product WHERE book_platform = 4 AND totalChapterNum =0 LIMIT 500`
        );

        if(rows.length<=0){
            throw 0
        }

        for (let index = 0; index < rows.length; index++) {
            let video_product_info = rows[index]
            let data = await require('../src/api/dz/dz_search_book').search_id(video_product_info.product_id)
            if(data!=null){
                let totalWordSize = data.words
                let totalChapterNum = data.totalChapterNum
                await connection.execute(
                    `UPDATE video_product SET totalChapterNum = "${totalChapterNum}" , words = "${totalWordSize}" WHERE id = ${video_product_info.id} `
                );
            }else{
                await connection.execute(
                    ` delete from video_product  where   id = ${video_product_info.id}; `
                );
            }
        }


    }catch(e){
        if(e==0){
            right_status = false
        }
        console.error("processTask error:",e)
    } finally{
        if(connection!=null){
            connection.end()
        }
        global.setTimeout(processTask, 20000);
    }

}



CMD.init = async function(){
    redis_help.connect((results)=>{
        if(results){
            processTask();
        }
    })

}

CMD.init()