package main

import (
	"context"
	"fmt"
	"github.com/go-redis/redis/v9"
)

func main() {
	opt, err := redis.ParseURL("redis://default:yourPassword@192.168.157.135:6379/0?dial_timeout=1")
	if err != nil {
		panic(err)
	}

	client := redis.NewClient(opt)
	ctx := context.Background()

	result := client.HSet(ctx, "students", "42001", "Mashibing", "42002", "GoLang", "42003", "Redis")
	fmt.Println(result.Result())

	fmt.Println(client.HGetAll(ctx, "students").Result())

	fmt.Println(
		client.HLen(ctx, "students").
			Result()) // 3 <nil>

	fmt.Println(
		client.HRandField(ctx, "students", 2).
			Result()) // [42003 42001] <nil>, [42002 42003] <nil>
	fmt.Println(
		client.HRandField(ctx, "students", -2).
			Result()) // [42003 42001] <nil>, [42003 42003] <nil>
	fmt.Println(
		client.HRandFieldWithValues(ctx, "students", 2).
			Result()) // [{42002 GoLang} {42003 Redis}] <nil>

	fmt.Println(
		client.HExists(ctx, "students", "42003").
			Result()) // true <nil>
	fmt.Println(
		client.HExists(ctx, "students", "42006").
			Result()) // false <nil>

	fmt.Println(
		client.HDel(ctx, "students", "42003").
			Result()) // 1 <nil>
	fmt.Println(
		client.HExists(ctx, "students", "42003").
			Result()) // false <nil>

	fmt.Println(
		client.Do(ctx, "HSTRLEN", "students", "42001").
			Result()) // 9 <nil>
}