package com.nhXJH.web.controller.system;

import java.util.Date;
import java.util.List;
import java.util.Random;
import java.util.stream.Collectors;
import javax.servlet.http.HttpServletResponse;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.nhXJH.common.exception.ServiceException;
import com.nhXJH.web.service.stageOfGetUsers.IStageOfUser;
import com.nhXJH.web.service.stageOfGetUsers.QueryParam;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.apache.commons.lang3.ArrayUtils;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.ApplicationContext;
import org.springframework.scheduling.annotation.Async;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import com.nhXJH.common.annotation.Log;
import com.nhXJH.common.constant.UserConstants;
import com.nhXJH.common.core.controller.BaseController;
import com.nhXJH.common.core.domain.AjaxResult;
import com.nhXJH.common.core.domain.entity.SysRole;
import com.nhXJH.common.core.domain.entity.SysUser;
import com.nhXJH.common.core.page.TableDataInfo;
import com.nhXJH.common.enums.BusinessType;
import com.nhXJH.common.utils.SecurityUtils;
import com.nhXJH.common.utils.StringUtils;
import com.nhXJH.common.utils.poi.ExcelUtil;
import com.nhXJH.system.service.ISysPostService;
import com.nhXJH.system.service.ISysRoleService;
import com.nhXJH.system.service.ISysUserService;

/**
 * 用户信息
 * 
 * @author nhXJH
 */
@RestController
@RequestMapping("/system/user")
@Api(tags = "用户信息")
public class SysUserController extends BaseController {
    @Autowired
    private ISysUserService userService;

    @Autowired
    private ISysRoleService roleService;

    @Autowired
    private ISysPostService postService;

    @Value("${nhXJH.defaultAvatar.url}")
    private String defaultAvatar;
    @Value("${nhXJH.defaultAvatar.min}")
    private Integer min;
    @Value("${nhXJH.defaultAvatar.max}")
    private Integer max;

    @Autowired
    private ApplicationContext applicationContext;
    /**
     * 获取用户列表
     */
    @ApiOperation("获取用户列表")
    @PreAuthorize("@ss.hasPermi('system:user:list')")
    @GetMapping("/list")
    public TableDataInfo list(SysUser user) {
        startPage();
        List<SysUser> list = userService.selectUserList(user);
        return getDataTable(list);
    }

    /**
     * 获取用户列表
     */
    @ApiOperation("获取用户列表")
    @PreAuthorize("@ss.hasPermi('system:user:list')")
    @GetMapping("/ids")
    public AjaxResult getByIds(@RequestParam("ids") String ids) {
        if (null == ids || "".equals(ids)){
            return AjaxResult.success("");
        }
        String [] str = ids.split(",");

        Long[] arr = new Long[str.length];
        for (int i = 0; i < str.length; i++) {
            arr[i] = Long.parseLong(str[i]);
        }
        return AjaxResult.success(userService.selectUserByIds(arr));
    }
        /**
     * 获取用户列表
     */
    @ApiOperation("获取用户列表")
    @PreAuthorize("@ss.hasPermi('system:user:list')")
    @PostMapping("/list/{stage}")
    public AjaxResult stage(@PathVariable("stage")String type, @RequestBody QueryParam param) {
        IStageOfUser stage = null;
        try {
            stage = applicationContext.getBean(type, IStageOfUser.class);
        }catch (BeansException e){
            throw new ServiceException("接口调用失败：没有查询权限");
        }
        if (null == stage ){
            throw new ServiceException("接口调用失败：没有查询权限");
        }

        List<SysUser> list = stage.stage(param);
        return AjaxResult.success(list);
    }

    @ApiOperation("用户管理")
    @Log(title = "用户管理", businessType = BusinessType.EXPORT)
    @PreAuthorize("@ss.hasPermi('system:user:export')")
    @PostMapping("/export")
    public void export(HttpServletResponse response, SysUser user) {
        List<SysUser> list = userService.selectUserList(user);
        ExcelUtil<SysUser> util = new ExcelUtil<SysUser>(SysUser.class);
        util.exportExcel(response, list, "用户数据");
    }

    @ApiOperation("用户管理")
    @Log(title = "用户管理", businessType = BusinessType.IMPORT)
    @PreAuthorize("@ss.hasPermi('system:user:import')")
    @PostMapping("/importData")
    public AjaxResult importData(MultipartFile file, boolean updateSupport) throws Exception {
        ExcelUtil<SysUser> util = new ExcelUtil<SysUser>(SysUser.class);
        List<SysUser> userList = util.importExcel(file.getInputStream());
        String operName = getUsername();
        String message = userService.importUser(userList, updateSupport, operName);
        return AjaxResult.success(message);
    }

    @PostMapping("/importTemplate")
    public void importTemplate(HttpServletResponse response) {
        ExcelUtil<SysUser> util = new ExcelUtil<SysUser>(SysUser.class);
        util.importTemplateExcel(response, "用户数据");
    }

    /**
     * 根据用户编号获取详细信息
     */
    @ApiOperation("根据用户编号获取详细信息")
    @PreAuthorize("@ss.hasPermi('system:user:query')")
    @GetMapping(value = { "/", "/{userId}" })
    public AjaxResult getInfo(@PathVariable(value = "userId", required = false) Long userId) {
        userService.checkUserDataScope(userId);
        AjaxResult ajax = AjaxResult.success();
        List<SysRole> roles = roleService.selectRoleAll();
        ajax.put("roles", SysUser.isAdmin(userId) ? roles : roles.stream().filter(r -> !r.isAdmin()).collect(Collectors.toList()));
        ajax.put("posts", postService.selectPostAll());
        if (StringUtils.isNotNull(userId)) {
            SysUser sysUser = userService.selectUserById(userId);
            ajax.put(AjaxResult.DATA_TAG, sysUser);
            ajax.put("postIds", postService.selectPostListByUserId(userId));
            ajax.put("roleIds", sysUser.getRoles().stream().map(SysRole::getRoleId).collect(Collectors.toList()));
        }
        return ajax;
    }

    /**
     * 新增用户
     */
    @ApiOperation("新增用户")
    @PreAuthorize("@ss.hasPermi('system:user:add')")
    @Log(title = "用户管理", businessType = BusinessType.INSERT)
    @PostMapping
    public AjaxResult add(@Validated @RequestBody SysUser user) {
        if (UserConstants.NOT_UNIQUE.equals(userService.checkUserNameUnique(user.getUserName()))) {
            return AjaxResult.error("新增用户'" + user.getUserName() + "'失败，登录账号已存在");
        }
        else if (StringUtils.isNotEmpty(user.getPhonenumber())
                && UserConstants.NOT_UNIQUE.equals(userService.checkPhoneUnique(user))) {
            return AjaxResult.error("新增用户'" + user.getUserName() + "'失败，手机号码已存在");
        }
        else if (StringUtils.isNotEmpty(user.getEmail())
                && UserConstants.NOT_UNIQUE.equals(userService.checkEmailUnique(user))) {
            return AjaxResult.error("新增用户'" + user.getUserName() + "'失败，邮箱账号已存在");
        }
        user.setCreateBy(getUsername());
        user.setPassword(SecurityUtils.encryptPassword(user.getPassword()));
        user.setUserId(user.getSnowID());
        user.setCreateTime(new Date());
        if (null == user.getAvatar() || "".equals(user.getAvatar())){
            int num = (new Random().nextInt(this.max)+this.min);
            StringBuffer url = new StringBuffer(this.defaultAvatar.substring(0,this.defaultAvatar.lastIndexOf('.')));
            url.append("_").append(num).append(this.defaultAvatar.substring(this.defaultAvatar.lastIndexOf('.')));
            user.setAvatar(url.toString());
        }
        return toAjax(userService.insertUser(user));
    }

    /**
     * 修改用户
     */
    @ApiOperation("修改用户")
    @PreAuthorize("@ss.hasPermi('system:user:edit')")
    @Log(title = "用户管理", businessType = BusinessType.UPDATE)
    @PutMapping
    public AjaxResult edit(@Validated @RequestBody SysUser user) {
        userService.checkUserAllowed(user);
        if (StringUtils.isNotEmpty(user.getPhonenumber())
                && UserConstants.NOT_UNIQUE.equals(userService.checkPhoneUnique(user))) {
            return AjaxResult.error("修改用户'" + user.getUserName() + "'失败，手机号码已存在");
        }
        else if (StringUtils.isNotEmpty(user.getEmail())
                && UserConstants.NOT_UNIQUE.equals(userService.checkEmailUnique(user))) {
            return AjaxResult.error("修改用户'" + user.getUserName() + "'失败，邮箱账号已存在");
        }
        user.setUpdateBy(getUsername());
        user.setUpdateTime(new Date());
        return toAjax(userService.updateUser(user));
    }

    /**
     * 删除用户
     */
    @ApiOperation("删除用户")
    @PreAuthorize("@ss.hasPermi('system:user:remove')")
    @Log(title = "用户管理", businessType = BusinessType.DELETE)
    @DeleteMapping("/{userIds}")
    public AjaxResult remove(@PathVariable Long[] userIds) {
        if (ArrayUtils.contains(userIds, getUserId())) {
            return error("当前用户不能删除");
        }
        return toAjax(userService.deleteUserByIds(userIds));
    }

    /**
     * 重置密码
     */
    @ApiOperation("重置密码")
    @PreAuthorize("@ss.hasPermi('system:user:resetPwd')")
    @Log(title = "用户管理", businessType = BusinessType.UPDATE)
    @PutMapping("/resetPwd")
    public AjaxResult resetPwd(@RequestBody SysUser user) {
        userService.checkUserAllowed(user);
        user.setPassword(SecurityUtils.encryptPassword(user.getPassword()));
        user.setUpdateBy(getUsername());
        return toAjax(userService.resetPwd(user));
    }

    /**
     * 状态修改
     */
    @ApiOperation("状态修改")
    @PreAuthorize("@ss.hasPermi('system:user:edit')")
    @Log(title = "用户管理", businessType = BusinessType.UPDATE)
    @PutMapping("/changeStatus")
    public AjaxResult changeStatus(@RequestBody SysUser user) {
        userService.checkUserAllowed(user);
        user.setUpdateBy(getUsername());
        return toAjax(userService.updateUserStatus(user));
    }

    /**
     * 根据用户编号获取授权角色
     */
    @ApiOperation("根据用户编号获取授权角色")
    @PreAuthorize("@ss.hasPermi('system:user:query')")
    @GetMapping("/authRole/{userId}")
    public AjaxResult authRole(@PathVariable("userId") Long userId) {
        AjaxResult ajax = AjaxResult.success();
        SysUser user = userService.selectUserById(userId);
        List<SysRole> roles = roleService.selectRolesByUserId(userId);
        ajax.put("user", user);
        ajax.put("roles", SysUser.isAdmin(userId) ? roles : roles.stream().filter(r -> !r.isAdmin()).collect(Collectors.toList()));
        return ajax;
    }

    /**
     * 用户授权角色
     */
    @ApiOperation("用户授权角色")
    @PreAuthorize("@ss.hasPermi('system:user:edit')")
    @Log(title = "用户管理", businessType = BusinessType.GRANT)
    @PutMapping("/authRole")
    public AjaxResult insertAuthRole(Long userId, Long[] roleIds) {
        userService.insertUserAuth(userId, roleIds);
        return success();
    }
}
