package com.why.controller.admin;

import com.alibaba.fastjson.JSONObject;
import com.why.controller.BaseController;
import com.why.service.AdminService;
import com.why.entity.Admin;
import org.springframework.stereotype.Controller;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.annotation.Resource;
import javax.servlet.http.HttpSession;
import java.io.File;
import java.io.IOException;
import java.util.Map;
import java.util.UUID;

/**
 * 后台管理-账户页
 * @author 贤趣项目小组
 */
@Controller
public class AccountController extends BaseController {
    @Resource(name = "adminService")
    private AdminService adminService;

    //转到后台管理-账户页-ajax
    @RequestMapping(value = "admin/account", method = RequestMethod.GET)
    public String goToPage(HttpSession session, Map<String, Object> map){
        logger.info("获取管理员信息");
        Object adminId = checkAdmin(session);
        if(adminId == null){
            return "admin/include/loginMessage";
        }

        logger.info("获取目前登录的管理员信息，管理员ID：{}",adminId);
        Admin admin = adminService.get(null,Integer.parseInt(adminId.toString()));
        map.put("admin",admin);

        logger.info("转到后台管理-账户页-ajax方式");
        return "admin/accountManagePage";
    }

    //退出当前账号
    @RequestMapping(value = "admin/account/logout", method = RequestMethod.GET)
    public String logout(HttpSession session) {
        Object o = session.getAttribute("adminId");
        if (o == null) {
            logger.info("无相关信息，返回管理员登陆页");
        } else {
            session.removeAttribute("adminId");
            session.invalidate();
            logger.info("登录信息已清除，返回管理员登陆页");
        }
        return "redirect:/admin/login";
    }

    //管理员头像上传
    @ResponseBody
    @RequestMapping(value = "admin/uploadAdminHeadImage", method = RequestMethod.POST, produces = "application/json;charset=UTF-8")
    public String uploadAdminHeadImage(@RequestParam MultipartFile file, HttpSession session) {
        String originalFileName = file.getOriginalFilename();
        logger.info("获取图片原始文件名：{}", originalFileName);
        assert originalFileName != null;
        String extension = originalFileName.substring(originalFileName.lastIndexOf('.'));
        //生成随机名
        String fileName = UUID.randomUUID() + extension;
        //获取上传路径
        String filePath = session.getServletContext().getRealPath("/") + "res/images/item/adminProfilePicture/" + fileName;

        logger.info("文件上传路径：{}", filePath);
        JSONObject jsonObject = new JSONObject();
        try {
            logger.info("文件上传中...");
            file.transferTo(new File(filePath));
            logger.info("文件上传成功！");
            jsonObject.put("success", true);
            jsonObject.put("fileName", fileName);
        } catch (IOException e) {
            logger.warn("文件上传失败！");
            e.printStackTrace();
            jsonObject.put("success", false);
        }
        return jsonObject.toJSONString();
    }

    //更新管理员信息
    @Transactional(propagation = Propagation.REQUIRED, rollbackFor = Exception.class)
    @ResponseBody
    @RequestMapping(value = "admin/account/{admin_id}", method = RequestMethod.PUT, produces = "application/json;charset=UTF-8")
    public String updateAdmin(HttpSession session, @RequestParam String admin_nickname/*管理员昵称*/,
                              @RequestParam(required = false) String admin_password/*管理员当前密码*/,
                              @RequestParam(required = false) String admin_newPassword/*管理员新密码*/,
                              @RequestParam(required = false) String admin_profile_picture_src/*管理员头像路径*/,
                              @PathVariable("admin_id") String admin_id/*管理员编号*/) {
        logger.info("获取管理员信息");
        Object adminId = checkAdmin(session);
        if (adminId == null) {
            return "admin/include/loginMessage";
        }
        JSONObject jsonObject = new JSONObject();
        Admin putAdmin = new Admin();
        putAdmin.setAdmin_id(Integer.valueOf(admin_id));
        putAdmin.setAdmin_nickname(admin_nickname);

        if (admin_password != null && !"".equals(admin_password) && admin_newPassword != null && !"".equals(admin_newPassword)) {
            logger.info("获取需要修改的管理员信息");
            Admin admin = adminService.get(null, Integer.valueOf(adminId.toString()));
            if (adminService.login(admin.getAdmin_name(), admin_password) != null) {
                logger.info("原密码正确");
                putAdmin.setAdmin_password(admin_newPassword);
            } else {
                logger.info("原密码错误，返回错误信息");
                jsonObject.put("success", false);
                jsonObject.put("message", "原密码输入有误！");
                return jsonObject.toJSONString();
            }
        }
        if (admin_profile_picture_src != null && !"".equals(admin_profile_picture_src)) {
            logger.info("管理员头像路径为{}", admin_profile_picture_src);
            putAdmin.setAdmin_profile_picture_src(admin_profile_picture_src.substring(admin_profile_picture_src.lastIndexOf("/") + 1));
        }

        logger.info("更新管理员信息，管理员ID值为：{}", admin_id);
        Boolean yn = adminService.update(putAdmin);
        if (yn) {
            logger.info("更新成功！");
            jsonObject.put("success", true);
            session.removeAttribute("adminId");
            session.invalidate();
            logger.info("登录信息已清除");
        } else {
            jsonObject.put("success", false);
            logger.warn("更新失败！事务回滚");
            throw new RuntimeException();
        }

        return jsonObject.toJSONString();
    }
}