package main

import (
	"fmt"
	"time"

	redigo "github.com/gomodule/redigo/redis"
	"myschools.me/suguo/tutorial-redis/conf"
)

func main() {
	pool := &redigo.Pool{
		Dial: func() (redigo.Conn, error) {
			return redigo.Dial("tcp", conf.Host,
				redigo.DialDatabase(conf.Database),
				redigo.DialPassword(conf.Password),
			)
		},
		TestOnBorrow: func(c redigo.Conn, t time.Time) error {
			if time.Since(t) < time.Minute {
				return nil
			}
			_, err := c.Do("PING")
			return err
		},
		MaxIdle:         100,
		MaxActive:       100,
		IdleTimeout:     60 * time.Second,
		Wait:            false,
		MaxConnLifetime: 0,
	}

	fmt.Printf("连接数：%d\n", pool.ActiveCount())

	conn := pool.Get()
	defer conn.Close()

	//判断key是否存在
	a, _ := conn.Do("EXISTS", "cp01")
	i := a.(int64)
	fmt.Printf("cp01的key是否存在：%d\n", i)
	if i > 0 {
		data, err := redigo.Bytes(conn.Do("GET", "cp01"))
		if err != nil {
			fmt.Printf("GET redis错误: %s\n", err.Error())
		}
		fmt.Printf("cp01内容：%s\n", data)
	}

	//设置一个值，单位s
	r, err := conn.Do("SETEX", "cp01", 600, []byte("ABCDEFGHIJKLMNOPQRSTUVWXYZ"))
	if err != nil {
		fmt.Printf("写入redis错误: %s\n", err.Error())
	}
	fmt.Printf("cp01写入后的返回：%v\n", r)
}