package com.ots.project.system.post.service;
import com.ots.common.constant.UserConstants;
import com.ots.common.exception.BusinessException;
import com.ots.common.utils.StringUtils;
import com.ots.common.utils.security.ShiroUtils;
import com.ots.common.utils.text.Convert;
import com.ots.project.system.post.domain.Post;
import com.ots.project.system.post.mapper.PostMapper;
import com.ots.project.system.user.mapper.UserPostMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;

@Service
public class PostServiceImpl implements IPostService {
    @Autowired
    private PostMapper postMapper;
    @Autowired
    private UserPostMapper userPostMapper;
    
    @Override
    public List<Post> selectPostList(Post post) {
        return postMapper.selectPostList(post);
    }
    
    @Override
    public List<Post> selectPostAll() {
        return postMapper.selectPostAll();
    }
    
    @Override
    public List<Post> selectPostsByUserId(Long userId) {
        List<Post> userPosts = postMapper.selectPostsByUserId(userId);
        List<Post> posts = postMapper.selectPostAll();
        for (Post post : posts) {
            for (Post userRole : userPosts) {
                if (post.getPostId().longValue() == userRole.getPostId().longValue()) {
                    post.setFlag(true);
                    break;
                }
            }
        }
        return posts;
    }
    
    @Override
    public Post selectPostById(Long postId) {
        return postMapper.selectPostById(postId);
    }
    
    @Override
    public int deletePostByIds(String ids) throws BusinessException {
        Long[] postIds = Convert.toLongArray(ids);
        for (Long postId : postIds) {
            Post post = selectPostById(postId);
            if (countUserPostById(postId) > 0) {
                throw new BusinessException(String.format("%1$s已分配,不能删除", post.getPostName()));
            }
        }
        return postMapper.deletePostByIds(postIds);
    }
    
    @Override
    public int insertPost(Post post) {
        post.setCreateBy(ShiroUtils.getLoginName());
        return postMapper.insertPost(post);
    }
    
    @Override
    public int updatePost(Post post) {
        post.setUpdateBy(ShiroUtils.getLoginName());
        return postMapper.updatePost(post);
    }
    
    @Override
    public int countUserPostById(Long postId) {
        return userPostMapper.countUserPostById(postId);
    }
    
    @Override
    public String checkPostNameUnique(Post post) {
        Long postId = StringUtils.isNull(post.getPostId()) ? -1L : post.getPostId();
        Post info = postMapper.checkPostNameUnique(post.getPostName());
        if (StringUtils.isNotNull(info) && info.getPostId().longValue() != postId.longValue()) {
            return UserConstants.POST_NAME_NOT_UNIQUE;
        }
        return UserConstants.POST_NAME_UNIQUE;
    }
    
    @Override
    public String checkPostCodeUnique(Post post) {
        Long postId = StringUtils.isNull(post.getPostId()) ? -1L : post.getPostId();
        Post info = postMapper.checkPostCodeUnique(post.getPostCode());
        if (StringUtils.isNotNull(info) && info.getPostId().longValue() != postId.longValue()) {
            return UserConstants.POST_CODE_NOT_UNIQUE;
        }
        return UserConstants.POST_CODE_UNIQUE;
    }
}