package goroutine

import (
	"database/sql"
	"fmt"
	"github.com/google/uuid"
	"math/rand"
	"strconv"
	"time"
)

func Datawrite(db *sql.DB, donetitle chan struct{}) {
	timetick := time.Tick(1 * time.Second)
	rand.Seed(time.Now().UnixNano())

	for {
		select {
		case <-timetick:
			uid, error := uuid.NewRandom()
			if error != nil {
				panic(error)
			}
			tx, err := db.Begin()
			if err != nil {
				panic(err)
			}
			fmt.Println("开始事务")
			_, err = tx.Exec(`insert INTO article (uid,content,author,age) values (?,?,?,?)`, uid, "123", "用户"+strconv.Itoa(rand.Intn(1000)), rand.Intn(40)+60)
			if err != nil {
				if rbErr := tx.Rollback(); rbErr != nil {
					panic("回滚失败: " + rbErr.Error())
				}
				panic("插入失败: " + err.Error()) // 明确错误类型
			}
			err = tx.Commit()
			if err != nil {
				panic(err)
			}
			fmt.Println("插入数据成功")
		case <-donetitle:
			return
		}
	}

}