package kr.wisestone.owl.service.impl;

import com.google.common.collect.Lists;
import kr.wisestone.owl.constant.Constants;
import kr.wisestone.owl.constant.MngPermission;
import kr.wisestone.owl.constant.MsgConstants;
import kr.wisestone.owl.domain.User;
import kr.wisestone.owl.domain.UserLevel;
import kr.wisestone.owl.exception.OwlRuntimeException;
import kr.wisestone.owl.mapper.UserLevelMapper;
import kr.wisestone.owl.mapper.UserMapper;
import kr.wisestone.owl.repository.UserLevelRepository;
import kr.wisestone.owl.service.UserLevelService;
import kr.wisestone.owl.service.UserService;
import kr.wisestone.owl.util.CommonUtil;
import kr.wisestone.owl.util.ConvertUtil;
import kr.wisestone.owl.vo.ResPage;
import kr.wisestone.owl.vo.UserLevelVo;
import kr.wisestone.owl.vo.UserVo;
import kr.wisestone.owl.web.condition.UserCondition;
import kr.wisestone.owl.web.condition.UserLevelCondition;
import kr.wisestone.owl.web.form.ManageUserForm;
import kr.wisestone.owl.web.form.UserLevelForm;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import java.util.List;
import java.util.Map;

@Service
public class UserLevelServiceImpl extends AbstractServiceImpl<UserLevel, Long, JpaRepository<UserLevel, Long>> implements UserLevelService {

    @Autowired
    private UserLevelRepository userLevelRepository;

    @Autowired
    private UserLevelMapper userLevelMapper;

    @Autowired
    private UserService userService;

    @Override
    protected JpaRepository<UserLevel, Long> getRepository() {
        return this.userLevelRepository;
    }

    // 사용자 가입 후 UserLevel 값 저장
    @Override
    public UserLevel addUserLevel(UserLevelForm userLevelForm) {
        userLevelForm.makePermission();
        UserLevel userLevel = ConvertUtil.copyProperties(userLevelForm, UserLevel.class);
        userLevelRepository.saveAndFlush(userLevel);
        return userLevel;
    }

    // 최고관리자 등급 추가
    @Override
    public UserLevel addSuperUserLevel() {
        UserLevel userLevel = new UserLevel();
        userLevel.setLevelName("최고관리자");
        userLevel.setPermission(MngPermission.makeAllPermission());

        userLevel = userLevelRepository.saveAndFlush(userLevel);
        return userLevel;
    }

    // 사용자 등급 목록을 가져온다.
    @Override
    public List<UserLevelVo> findUser(Map<String, Object> resJsonData,
                                           UserLevelCondition condition, Pageable pageable) {

        condition.setPage(pageable.getPageNumber() * pageable.getPageSize());
        condition.setPageSize(pageable.getPageSize());

        List<Map<String, Object>> results = this.userLevelMapper.find(condition);
        Long totalUsersCount = this.userLevelMapper.count(condition);

        return this.convertUserLevelVoToMap(results, totalUsersCount, pageable, resJsonData);
    }
    //  사용자 등급 정보를 수정한다.
    @Override
    public void modifyUserLevel(UserLevelForm userLevelForm) {
        userLevelForm.makePermission();
        UserLevel userLevel = ConvertUtil.copyProperties(userLevelForm, UserLevel.class);
        userLevelRepository.saveAndFlush(userLevel);
    }

    @Override
    public void removeUserLevel(UserLevelForm userLevelForm) {
        if (userLevelForm.getRemoveIds().size() < 1) {
            throw new OwlRuntimeException(
                    this.messageAccessor.getMessage(MsgConstants.PROJECT_REMOVE_NOT_SELECT));
        }

        for (Long id : userLevelForm.getRemoveIds()) {
            if (!this.userService.useUserLevel(id)) {
                this.userLevelRepository.deleteById(id);
            } else {
                throw new OwlRuntimeException(
                        this.messageAccessor.getMessage(MsgConstants.USER_LEVEL_ALREADY));
            }
        }

        this.userLevelRepository.flush();
    }

    //  검색 결과를 UserLevelVo 로 변환한다.
    private List<UserLevelVo> convertUserLevelVoToMap(List<Map<String, Object>> results, Long totalUsersCount, Pageable pageable, Map<String, Object> resJsonData) {
        List<UserLevelVo> userLevelVos = Lists.newArrayList();

        for (Map<String, Object> result : results) {
            UserLevelVo userLevelVo = ConvertUtil.convertMapToClass(result, UserLevelVo.class);
            userLevelVo.toPermissionValues();
            userLevelVos.add(userLevelVo);
        }

        int totalPage = (int) Math.ceil((totalUsersCount - 1) / pageable.getPageSize()) + 1;

        resJsonData.put(Constants.RES_KEY_CONTENTS, userLevelVos);
        resJsonData.put(Constants.REQ_KEY_PAGE_VO, new ResPage(pageable.getPageNumber(), pageable.getPageSize(),
                totalPage, totalUsersCount));

        return userLevelVos;
    }

}