package com.xingyuv.captcha.controller;

import com.xingyuv.captcha.model.common.ResponseModel;
import com.xingyuv.captcha.model.vo.CaptchaVO;
import com.xingyuv.captcha.service.CaptchaService;
import com.xingyuv.captcha.util.StringUtils;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;

@RestController
@RequestMapping("/captcha")
public class CaptchaController {

    @Resource
    private CaptchaService captchaService;

    @PostMapping("/get")
    public ResponseModel get(@RequestBody CaptchaVO data, HttpServletRequest request) {
        assert request.getRemoteHost() != null;
        data.setBrowserInfo(getRemoteId(request));
        return captchaService.get(data);
    }

    @PostMapping("/check")
    public ResponseModel check(@RequestBody CaptchaVO data, HttpServletRequest request) {
        data.setBrowserInfo(getRemoteId(request));
        return captchaService.check(data);
    }

    //@PostMapping("/verify")
    public ResponseModel verify(@RequestBody CaptchaVO data, HttpServletRequest request) {
        return captchaService.verification(data);
    }

    public static String getRemoteId(HttpServletRequest request) {
        String xfwd = request.getHeader("X-Forwarded-For");
        String ip = getRemoteIpFromXfwd(xfwd);
        String ua = request.getHeader("user-agent");
        if (StringUtils.isNotBlank(ip)) {
            return ip + ua;
        }
        return request.getRemoteAddr() + ua;
    }

    private static String getRemoteIpFromXfwd(String xfwd) {
        if (StringUtils.isNotBlank(xfwd)) {
            String[] ipList = xfwd.split(",");
            return StringUtils.trim(ipList[0]);
        }
        return null;
    }

}