package com.gkhy.safePlatform.account.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.gkhy.safePlatform.account.model.dto.req.PermissionAddReqDTO;
import com.gkhy.safePlatform.account.model.dto.req.PermissionModReqDTO;
import com.gkhy.safePlatform.account.model.dto.resp.PermissionRespDTO;
import com.gkhy.safePlatform.account.entity.user.PermissionInfo;
import com.gkhy.safePlatform.account.entity.user.PermissionInfoDO;
import com.gkhy.safePlatform.account.enums.PermissionStatusEnum;
import com.gkhy.safePlatform.account.service.PermissionService;
import com.gkhy.safePlatform.account.service.baseService.PermissionInfoService;
import com.gkhy.safePlatform.account.service.baseService.RolePermissionInfoService;
import com.gkhy.safePlatform.commons.co.ContextCacheUser;
import com.gkhy.safePlatform.commons.enums.E;
import com.gkhy.safePlatform.commons.enums.ResultCodes;
import com.gkhy.safePlatform.commons.exception.AusinessException;
import com.gkhy.safePlatform.commons.exception.BusinessException;
import com.gkhy.safePlatform.commons.utils.BeanCopyUtils;
import com.gkhy.safePlatform.commons.utils.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;

@Service("permissionService")
public class PermissionServiceImpl implements PermissionService {

    @Autowired
    private PermissionInfoService permissionInfoService;
    @Autowired
    private RolePermissionInfoService rolePermissionInfoService;

    @Override
    public List<PermissionRespDTO> getEnablePermissions() {
        List<PermissionInfoDO> permissions = permissionInfoService.getPermissionsByStatus(PermissionStatusEnum.ENABLED);
        List<PermissionRespDTO> result = new ArrayList<>();
        PermissionRespDTO permissionRespDTO;
        for (PermissionInfoDO permissionInfoDO:permissions ) {
            permissionRespDTO = new PermissionRespDTO();
            permissionRespDTO.setPermissionId(permissionInfoDO.getId());
            permissionRespDTO.setPermissionCode(permissionInfoDO.getCode());
            permissionRespDTO.setPermissionName(permissionInfoDO.getName());
            result.add(permissionRespDTO);
        }
        return result;
    }


    /**
    * @Description: 新增权限
    */
    @Override
    public void addPermission(ContextCacheUser currentUser, PermissionAddReqDTO permissionAddReqDTO) {
        ;
        if (StringUtils.isBlank(permissionAddReqDTO.getCode())) {
            throw new AusinessException(E.DATA_PARAM_NULL,"权限编码不能为空");
        }
        if (StringUtils.isBlank(permissionAddReqDTO.getName())) {
            throw new AusinessException(E.DATA_PARAM_NULL, "权限名不能为空");
        }
        String code = permissionAddReqDTO.getCode().trim();
        String name = permissionAddReqDTO.getName().trim();

        PermissionInfo permission;
        // 编码重复校验
        permission = permissionInfoService.getPermissionInfoByCode(code);
        if (permission != null) {
            throw new AusinessException(E.DATA_DATABASE_DUPLICATED, "权限编码已存在");
        }
        // 名称校验
        permission = permissionInfoService.getPermissionInfoByName(name);
        if (permission != null) {
            throw new AusinessException(E.DATA_DATABASE_DUPLICATED, "权限名称已存在");
        }

        PermissionInfo permissionInfo = new PermissionInfo();
        permissionInfo.setCode(code);
        permissionInfo.setName(name);
        permissionInfo.setInfo(permissionAddReqDTO.getInfo());
        permissionInfo.setStatus(PermissionStatusEnum.ENABLED.getCode());
        permissionInfo.setGmtCreate(new Date());
        permissionInfoService.savePermissionInfo(permissionInfo);

    }

    /**
    * @Description: 修改权限
    */
    @Override
    public void modPermission(ContextCacheUser currentUser, PermissionModReqDTO permissionModReqDTO) {
        ;
        if (permissionModReqDTO.getId() == null) {
            throw new BusinessException(ResultCodes.CLIENT_PARAM_NULL);
        }

        if (StringUtils.isBlank(permissionModReqDTO.getCode())) {
            throw new AusinessException(E.DATA_PARAM_NULL,"权限编码不能为空");
        }
        if (StringUtils.isBlank(permissionModReqDTO.getName())) {
            throw new AusinessException(E.DATA_PARAM_NULL, "权限名不能为空");
        }
        PermissionInfo permissionInfo = permissionInfoService.getById(permissionModReqDTO.getId());
        assert permissionInfo.getStatus() != null;
        PermissionStatusEnum status = PermissionStatusEnum.parse(permissionInfo.getStatus());
        if (status != PermissionStatusEnum.ENABLED) {
            throw new BusinessException(ResultCodes.CLIENT_PERMISSION_NOT_EXIST);
        }

        String code = permissionModReqDTO.getCode().trim();
        String name = permissionModReqDTO.getName().trim();

        PermissionInfo permissionDO;
        // 编码重复校验
        permissionDO = permissionInfoService.getPermissionInfoByCode(code);
        if (permissionDO != null && !permissionDO.getId().equals(permissionInfo.getId()) ) {
            throw new AusinessException(E.DATA_DATABASE_DUPLICATED, "权限编码已存在");
        }
        // 名称校验
        permissionDO = permissionInfoService.getPermissionInfoByName(name);
        if (permissionDO != null && !permissionDO.getId().equals(permissionInfo.getId())) {
            throw new AusinessException(E.DATA_DATABASE_DUPLICATED, "权限名称已存在");
        }


        PermissionInfo permission = new PermissionInfo();
        permission.setId(permissionInfo.getId());
        permission.setName(name);
        permission.setCode(code);
        permission.setInfo(permissionModReqDTO.getInfo());
        permission.setGmtModified(new Date());
        permissionInfoService.updatePermissionInfo(permission);

    }

    @Override
    @Transactional
    public void delPermission(ContextCacheUser currentUser, Long id) {
        if (id == null) {
            throw new BusinessException(ResultCodes.CLIENT_PARAM_NULL);
        }
        PermissionInfo permission = permissionInfoService.getById(id);
        if (permission == null) {
            throw new BusinessException(ResultCodes.CLIENT_PERMISSION_NOT_EXIST);
        }
        assert permission.getStatus() != null;
        PermissionStatusEnum status = PermissionStatusEnum.parse(permission.getStatus());
        if (status != PermissionStatusEnum.ENABLED) {
            throw new BusinessException(ResultCodes.CLIENT_PERMISSION_NOT_EXIST);
        }
        // 1.更新权限状态
        PermissionInfo permissionInfo = new PermissionInfo();
        permissionInfo.setId(permission.getId());
        permissionInfo.setStatus(PermissionStatusEnum.ABANDONED.getCode());
        permissionInfo.setGmtModified(new Date());
        permissionInfoService.updatePermissionInfo(permissionInfo);

        // 2.删除rolePermission 关系
        rolePermissionInfoService.unbindByPermissionId(permissionInfo.getId());
    }


}