package com.ttstd.videotablet.controller;

import com.ttstd.videotablet.result.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class HelloController {
    //引入 redis
    @Autowired
    private StringRedisTemplate stringRedisTemplate;

    @GetMapping("/public/hello")
    public Result getMethodName() {
        return Result.ok().message("Welcome to Yijiantong");
    }

    /**
     * 存储
     *
     * @return
     */
    @PostMapping("/public/set")
    public Result setRedis(@RequestParam(value = "username") String username) {
        //存储 key-value 键值对: "username"-"jaychou"
        stringRedisTemplate.opsForValue().set("username", username);
        return Result.ok().message("redis 存储成功！");
    }

    /**
     * 读取
     *
     * @return
     */
    @GetMapping("/public/get")
    public Result getRedis(@RequestParam(value = "username") String username) {
        //通过 key 值读取 value
        String result = stringRedisTemplate.opsForValue().get(username);
        return Result.ok().data("username", result);
    }
}