package com.xcong.farmer.cms.common.system.controller;

import cn.hutool.core.io.FileUtil;
import cn.hutool.core.util.IdUtil;
import com.alibaba.fastjson.JSONObject;
import com.xcong.farmer.cms.common.contants.AppContants;
import com.xcong.farmer.cms.common.response.Result;
import com.xcong.farmer.cms.common.system.bean.LoginUserBean;
import com.xcong.farmer.cms.common.system.dto.LoginDto;
import com.xcong.farmer.cms.utils.RedisUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.io.FileUtils;
import org.jsoup.Jsoup;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.io.ClassPathResource;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.core.Authentication;
import org.springframework.util.FileCopyUtils;
import org.springframework.util.ResourceUtils;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.io.*;
import java.util.HashMap;
import java.util.Map;

/**
 * @Author wzy
 * @Date 2020/5/11
 * @email wangdoubleone@gmail.com
 * @Version V1.0
 **/
@Slf4j
@RestController
@RequestMapping(value = "/")
public class LoginController {

    @Value("${rsa.private_key}")
    private String privateKey;

    @Resource
    private AuthenticationManagerBuilder authenticationManagerBuilder;

    @Resource
    private RedisUtils redisUtils;

    @PostMapping("/login")
    public Result login(@RequestBody @Validated LoginDto loginDto) {
        UsernamePasswordAuthenticationToken authToken = new UsernamePasswordAuthenticationToken(loginDto.getUsername(), loginDto.getPassword());
        Authentication authentication = authenticationManagerBuilder.getObject().authenticate(authToken);
        String token = IdUtil.simpleUUID();
        LoginUserBean loginUserBean = (LoginUserBean) authentication.getPrincipal();
        redisUtils.set(AppContants.APP_LOGIN_PREFIX + token, JSONObject.toJSONString(loginUserBean), 300000);
        Map<String, Object> authInfo = new HashMap<String, Object>(2){
            {
                put("token", token);
                put("user", loginUserBean);
            }
        };
        return Result.ok("success", authInfo);
    }

    @GetMapping("/html")
    public Result html() throws IOException {
//        File file = ResourceUtils.getFile("classpath:static/index.html");

        InputStream input = this.getClass().getClassLoader().getResourceAsStream("static/index.html");
        File file = new File("index.html");
        FileUtils.copyToFile(input, file);

//        ClassPathResource classPathResource = new ClassPathResource("static/index.html");
//        File file = classPathResource.getFile();
        return Result.ok("", Jsoup.parse(file, "utf-8").html());
    }
}