package com.ruoyi.system.controller;

import com.alibaba.nacos.shaded.org.checkerframework.checker.units.qual.A;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.ruoyi.common.core.text.Convert;
import com.ruoyi.common.core.utils.poi.ExcelUtil;
import com.ruoyi.common.core.web.controller.BaseController;
import com.ruoyi.common.core.web.domain.AjaxResult;
import com.ruoyi.common.core.web.page.PageInfo;
import com.ruoyi.common.core.web.page.TableDataInfo;
import com.ruoyi.common.log.annotation.Log;
import com.ruoyi.common.log.enums.BusinessType;
import com.ruoyi.common.security.annotation.RequiresPermissions;
import com.ruoyi.common.security.utils.SecurityUtils;
import com.ruoyi.system.api.domain.SysDept;
import com.ruoyi.system.api.domain.SysRole;
import com.ruoyi.system.api.domain.SysUser;
import com.ruoyi.system.api.vo.SysRoleVO;
import com.ruoyi.system.domain.SysMenu;
import com.ruoyi.system.domain.SysMenus;
import com.ruoyi.system.domain.SysRoleMenu;
import com.ruoyi.system.domain.SysUserRole;
import com.ruoyi.system.domain.dto.RoleAddDto;
import com.ruoyi.system.domain.dto.RoleUpdateDto;
import com.ruoyi.system.domain.vo.RoleInfoVo;
import com.ruoyi.system.mapper.SysMenuMapper;
import com.ruoyi.system.mapper.SysRoleMenuMapper;
import com.ruoyi.system.service.ISysDeptService;
import com.ruoyi.system.service.ISysRoleService;
import com.ruoyi.system.service.ISysUserRoleService;
import com.ruoyi.system.service.ISysUserService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletResponse;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;

/**
 * 角色信息
 * 
 * @author ruoyi
 */
@RestController
@RequestMapping("/role")
@Api(tags = "权限管理")
public class SysRoleController extends BaseController
{
    @Autowired
    private ISysRoleService roleService;

    @Autowired
    private ISysUserService userService;

    @Autowired
    private ISysDeptService deptService;

    @Resource
    private SysRoleMenuMapper sysRoleMenuMapper;

    @Autowired
    private ISysUserRoleService sysUserRoleService;


    @Resource
    private SysMenuMapper menuMapper;

    @ApiOperation("权限列表查询")
    @GetMapping("/listPage")
    public AjaxResult<PageInfo<SysRole> > listPage(String roleName,int pageNumber,int pageSize)
    {
        PageInfo<SysRole> pageInfo = new PageInfo<>(pageNumber, pageSize);
        LambdaQueryWrapper<SysRole> wrapper = new LambdaQueryWrapper<>();
        if (StringUtils.hasLength(roleName)){
            wrapper.like(SysRole::getRoleName, roleName);
        }
        wrapper.eq(SysRole::getDelFlag,0);
        wrapper.orderByDesc(SysRole::getCreateTime);
        PageInfo<SysRole> page = roleService.page
                (pageInfo, wrapper);
        List<SysRole> records = page.getRecords();
        SimpleDateFormat format = new SimpleDateFormat("yyyy.MM.dd");
        List<SysRoleVO> res = new ArrayList<>();

        for (SysRole record : records) {
            String format1 = format.format(record.getCreateTime());
            SysRoleVO sysRoleVO = new SysRoleVO();
            sysRoleVO.setRoleId(record.getRoleId());
            sysRoleVO.setRoleName(record.getRoleName());
            sysRoleVO.setCreateTime(format1);
            res.add(sysRoleVO);
        }
        PageInfo<SysRoleVO> res1 = new PageInfo<>(pageNumber, pageSize);
        res1.setRecords(res);
        res1.setTotal(res.size());
        return AjaxResult.success(res1);
    }


    @ApiOperation("添加角色")
    @PostMapping("/roleAdd")
    public AjaxResult roleAdd(@Validated @RequestBody RoleAddDto dto)
    {
        SysRole role = new SysRole();
        role.setRoleName(dto.getRoleName());
        long count = roleService.count(Wrappers.lambdaQuery(SysRole.class)
                    .eq(SysRole::getRoleName,dto.getRoleName()));
        if(count>0){
            return AjaxResult.error("角色已存在，请重新输入");
        }
        List<Long> menuIds1 = dto.getMenuIds();
        if(CollectionUtils.isEmpty(menuIds1)){
            return AjaxResult.error("菜单id不能为空");
        }
        role.setMenuIds(dto.getMenuIds().toArray((new Long[dto.getMenuIds().size()])));
        // 添加角色
        role.setCreateBy(SecurityUtils.getUsername());
        role.setCreateTime(new Date());
        roleService.insertRole(role);

        return AjaxResult.success();
    }


    @ApiOperation("角色详情")
    @GetMapping("/roleInfo")
    public AjaxResult<RoleInfoVo> roleInfo( @RequestParam Long id)
    {
        SysRole role = roleService.selectRoleById(id);
        RoleInfoVo roleInfoVo = new RoleInfoVo();
        roleInfoVo.setRoleId(role.getRoleId());
        roleInfoVo.setRoleName(role.getRoleName());
        // 获取当前角色的菜单id
        List<Long> menusId = sysRoleMenuMapper.selectList(new LambdaQueryWrapper<SysRoleMenu>().eq(SysRoleMenu::getRoleId, id)).stream().map(SysRoleMenu::getMenuId).collect(Collectors.toList());
        if(menusId.size()==0){
            return AjaxResult.success(new ArrayList<>());
        }
        //获取当前的权限菜单
        List<SysMenus> all = menuMapper.getAllInIds(menusId);
        // 第三级
        List<SysMenus> s3 = all.stream().filter(e -> e.getMenuType().equals("F")).collect(Collectors.toList());
        // 第二级
        List<SysMenus> s2 = all.stream().filter(e -> e.getMenuType().equals("C")).collect(Collectors.toList());
        // 第一级
        List<SysMenus> s1 = all.stream().filter(e -> e.getMenuType().equals("M")).collect(Collectors.toList());

        for (SysMenus menus : s2) {
            List<SysMenus> collect = s3.stream().filter(e -> e.getParentId().equals(menus.getMenuId())).collect(Collectors.toList());
            menus.setChildren(collect);
        }

        for (SysMenus menus : s1) {
            List<SysMenus> collect = s2.stream().filter(e -> e.getParentId().equals(menus.getMenuId())).collect(Collectors.toList());
            menus.setChildren(collect);
        }

        roleInfoVo.setMenus(menusId);
        return AjaxResult.success(roleInfoVo);
    }


    @ApiOperation("用户获取权限菜单")
    @GetMapping("/roleInfoFromUserId")
    public AjaxResult<List<SysMenus>> roleInfoFromUserId( @RequestParam Long userId)
    {
        System.err.println("进入");
        try {
            SysUserRole one = sysUserRoleService.getOne(new LambdaQueryWrapper<SysUserRole>().eq(SysUserRole::getUserId, userId));
            Long id =one.getRoleId();
            // 获取当前角色的菜单id
            List<Long> menusId = sysRoleMenuMapper.selectList(new LambdaQueryWrapper<SysRoleMenu>().eq(SysRoleMenu::getRoleId, id)).stream().map(SysRoleMenu::getMenuId).collect(Collectors.toList());
            // 获取所有菜单ids
            List<Long> menusId1 = menuMapper.selectList(new LambdaQueryWrapper<SysMenu>()).stream().map(SysMenu::getMenuId).collect(Collectors.toList());

            if(CollectionUtils.isEmpty(menusId)){
                return AjaxResult.success(new ArrayList<>());
            }

            //获取所有的权限菜单
            List<SysMenus> all = menuMapper.getAllInIds(menusId1);
            for (SysMenus sysMenus : all) {
                if (menusId.contains(sysMenus.getMenuId())){
                    sysMenus.setIsHave(1);
                }else{
                    sysMenus.setIsHave(2);
                }
            }
            // 第三级
            List<SysMenus> s3 = all.stream().filter(e -> e.getMenuType().equals("F")).collect(Collectors.toList());
            // 第二级
            List<SysMenus> s2 = all.stream().filter(e -> e.getMenuType().equals("C")).collect(Collectors.toList());
            // 第一级
            List<SysMenus> s1 = all.stream().filter(e -> e.getMenuType().equals("M")).collect(Collectors.toList());

            for (SysMenus menus : s2) {
                List<SysMenus> collect = s3.stream().filter(e -> e.getParentId().equals(menus.getMenuId())).collect(Collectors.toList());
                menus.setChildren(collect);
            }

            for (SysMenus menus : s1) {
                List<SysMenus> collect = s2.stream().filter(e -> e.getParentId().equals(menus.getMenuId())).collect(Collectors.toList());
                menus.setChildren(collect);
            }
            return AjaxResult.success(s1);

        }catch (Exception e){
            System.err.println("捕获");
            e.printStackTrace();
        }
        return AjaxResult.success();
    }




    @ApiOperation("编辑角色")
    @PostMapping("/roleUpdate")
    public AjaxResult roleUpdate(@Validated @RequestBody RoleUpdateDto dto)
    {
        SysRole role = new SysRole();
        role.setRoleName(dto.getRoleName());
        List<SysRole> sysRoles = roleService.isExitUpdate(dto.getRoleName(),dto.getRoleId());
        if(sysRoles.size()>0){
            return AjaxResult.error("角色已存在，请重新输入");
        }
        role.setUpdateBy(SecurityUtils.getUsername());
        role.setUpdateTime(new Date());
        role.setRoleId(dto.getRoleId());
        roleService.updateRole(role);
        ArrayList<SysRoleMenu> sysRoleMenus = new ArrayList<>();

        // 移除原来的权限菜单
        sysRoleMenuMapper.delete(new LambdaQueryWrapper<SysRoleMenu>()
                .eq(SysRoleMenu::getRoleId,dto.getRoleId()));
        List<Long> menuIds = dto.getMenuIds();
        for (Long menuId : menuIds) {
            SysRoleMenu sysRoleMenu = new SysRoleMenu();
            sysRoleMenu.setMenuId(menuId);
            sysRoleMenu.setRoleId(role.getRoleId());
            sysRoleMenus.add(sysRoleMenu);
        }
        sysRoleMenuMapper.batchRoleMenu(sysRoleMenus);
        return AjaxResult.success();
    }












    @Log(title = "角色管理", businessType = BusinessType.EXPORT)
    @RequiresPermissions("system:role:export")
    @PostMapping("/export")
    public void export(HttpServletResponse response, SysRole role)
    {
        List<SysRole> list = roleService.selectRoleList(role);
        ExcelUtil<SysRole> util = new ExcelUtil<SysRole>(SysRole.class);
        util.exportExcel(response, list, "角色数据");
    }

    /**
     * 根据角色编号获取详细信息
     */
    @RequiresPermissions("system:role:query")
    @GetMapping(value = "/{roleId}")
    public AjaxResult getInfo(@PathVariable Long roleId)
    {
        roleService.checkRoleDataScope(roleId);
        return success(roleService.selectRoleById(roleId));
    }

    /**
     * 新增角色
     */
    @RequiresPermissions("system:role:add")
    @Log(title = "角色管理", businessType = BusinessType.INSERT)
    @PostMapping
    public AjaxResult add(@Validated @RequestBody SysRole role)
    {
        if (!roleService.checkRoleNameUnique(role))
        {
            return error("新增角色'" + role.getRoleName() + "'失败，角色名称已存在");
        }
        else if (!roleService.checkRoleKeyUnique(role))
        {
            return error("新增角色'" + role.getRoleName() + "'失败，角色权限已存在");
        }
        role.setCreateBy(SecurityUtils.getUsername());
        return toAjax(roleService.insertRole(role));

    }

    /**
     * 修改保存角色
     */
    @RequiresPermissions("system:role:edit")
    @Log(title = "角色管理", businessType = BusinessType.UPDATE)
    @PutMapping
    public AjaxResult edit(@Validated @RequestBody SysRole role)
    {
        roleService.checkRoleAllowed(role);
        roleService.checkRoleDataScope(role.getRoleId());
        if (!roleService.checkRoleNameUnique(role))
        {
            return error("修改角色'" + role.getRoleName() + "'失败，角色名称已存在");
        }
        else if (!roleService.checkRoleKeyUnique(role))
        {
            return error("修改角色'" + role.getRoleName() + "'失败，角色权限已存在");
        }
        role.setUpdateBy(SecurityUtils.getUsername());
        return toAjax(roleService.updateRole(role));
    }

    /**
     * 修改保存数据权限
     */
    @RequiresPermissions("system:role:edit")
    @Log(title = "角色管理", businessType = BusinessType.UPDATE)
    @PutMapping("/dataScope")
    public AjaxResult dataScope(@RequestBody SysRole role)
    {
        roleService.checkRoleAllowed(role);
        roleService.checkRoleDataScope(role.getRoleId());
        return toAjax(roleService.authDataScope(role));
    }

    /**
     * 状态修改
     */
    @RequiresPermissions("system:role:edit")
    @Log(title = "角色管理", businessType = BusinessType.UPDATE)
    @PutMapping("/changeStatus")
    public AjaxResult changeStatus(@RequestBody SysRole role)
    {
        roleService.checkRoleAllowed(role);
        roleService.checkRoleDataScope(role.getRoleId());
        role.setUpdateBy(SecurityUtils.getUsername());
        return toAjax(roleService.updateRoleStatus(role));
    }

    /**
     * 删除角色
     */
    @DeleteMapping("/{roleId}")
    @ApiOperation("删除角色")
    public AjaxResult remove(@PathVariable("roleId") Long id)
    {
        Long[] roleIds = Convert.toLongArray(String.valueOf(id));
        int i = roleService.deleteRoleByIds(roleIds);
        if (i == -9){
            return AjaxResult.error("角色已分配，请先删除分配角色的用户");
        }
        return AjaxResult.success();
    }



    /**
     * 停用角色
     */
    @RequiresPermissions("system:role:stop")
    @Log(title = "角色管理", businessType = BusinessType.STOP)
    @PutMapping("/stop")
    public AjaxResult stop(@RequestBody Long roleId)
    {
        SysRole sysRole = roleService.selectRoleById(roleId);
        if(sysRole.getStatus().equals("0")){
            sysRole.setStatus("1");
        }else {
            sysRole.setStatus("0");
        }
        return toAjax(roleService.updateRole(sysRole));
    }

    /**
     * 获取角色选择框列表
     */
    @RequiresPermissions("system:role:query")
    @GetMapping("/optionselect")
    public AjaxResult optionselect()
    {
        return success(roleService.selectRoleAll());
    }
    /**
     * 查询已分配用户角色列表
     */
    @RequiresPermissions("system:role:list")
    @GetMapping("/authUser/allocatedList")
    public TableDataInfo allocatedList(SysUser user)
    {
        startPage();
        List<SysUser> list = userService.selectAllocatedList(user);
        return getDataTable(list);
    }

    /**
     * 查询未分配用户角色列表
     */
    @RequiresPermissions("system:role:list")
    @GetMapping("/authUser/unallocatedList")
    public TableDataInfo unallocatedList(SysUser user)
    {
        startPage();
        List<SysUser> list = userService.selectUnallocatedList(user);
        return getDataTable(list);
    }

    /**
     * 取消授权用户
     */
    @RequiresPermissions("system:role:edit")
    @Log(title = "角色管理", businessType = BusinessType.GRANT)
    @PutMapping("/authUser/cancel")
    public AjaxResult cancelAuthUser(@RequestBody SysUserRole userRole)
    {
        return toAjax(roleService.deleteAuthUser(userRole));
    }

    /**
     * 批量取消授权用户
     */
    @RequiresPermissions("system:role:edit")
    @Log(title = "角色管理", businessType = BusinessType.GRANT)
    @PutMapping("/authUser/cancelAll")
    public AjaxResult cancelAuthUserAll(Long roleId, Long[] userIds)
    {
        return toAjax(roleService.deleteAuthUsers(roleId, userIds));
    }

    /**
     * 批量选择用户授权
     */
    @RequiresPermissions("system:role:edit")
    @Log(title = "角色管理", businessType = BusinessType.GRANT)
    @PutMapping("/authUser/selectAll")
    public AjaxResult selectAuthUserAll(Long roleId, Long[] userIds)
    {
        roleService.checkRoleDataScope(roleId);
        return toAjax(roleService.insertAuthUsers(roleId, userIds));
    }

    /**
     * 获取对应角色部门树列表
     */
    @RequiresPermissions("system:role:query")
    @GetMapping(value = "/deptTree/{roleId}")
    public AjaxResult deptTree(@PathVariable("roleId") Long roleId)
    {
        AjaxResult ajax = AjaxResult.success();
        ajax.put("checkedKeys", deptService.selectDeptListByRoleId(roleId));
        ajax.put("depts", deptService.selectDeptTreeList(new SysDept()));
        return ajax;
    }
}