package com.xcong.farmer.cms.modules.system.service.Impl;

import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.io.FileUtil;
import com.xcong.farmer.cms.common.utils.FileUtils;
import com.xcong.farmer.cms.configurations.properties.CmsProperties;
import com.xcong.farmer.cms.modules.core.service.ICmsCoreService;
import com.xcong.farmer.cms.modules.system.entity.ArticleEntity;
import com.xcong.farmer.cms.modules.system.entity.ColumnEntity;
import com.xcong.farmer.cms.modules.system.entity.CompanyEntity;
import com.xcong.farmer.cms.modules.system.entity.WebSettingEntity;
import com.xcong.farmer.cms.modules.system.mapper.ArticleMapper;
import com.xcong.farmer.cms.modules.system.mapper.ColumnMapper;
import com.xcong.farmer.cms.modules.system.mapper.CompanyMapper;
import com.xcong.farmer.cms.modules.system.mapper.WebSetMapper;
import com.xcong.farmer.cms.modules.system.service.IReleaseService;
import com.xcong.farmer.cms.modules.system.util.LoginUserUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Executor;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

/**
 * @author wzy
 * @TODO 发布时，index存在重复发布的情况，可优化。用线程notify唤醒。
 * @date 2022-07-05
 **/
@Slf4j
@Service
public class ReleaseServiceImpl implements IReleaseService {

    @Autowired
    private ArticleMapper articleMapper;

    @Autowired
    private ColumnMapper columnMapper;

    @Autowired
    private ICmsCoreService cmsCoreService;

    @Autowired
    private CmsProperties cmsProperties;

    @Autowired
    private CompanyMapper companyMapper;

    @Autowired
    private WebSetMapper webSetMapper;

    private final Executor executor = new ThreadPoolExecutor(5, 20, 600, TimeUnit.SECONDS, new LinkedBlockingQueue<Runnable>());

    @Override
    public void releaseArticle(Long id, Long companyId) {
        ArticleEntity article = articleMapper.selectById(id);
        ColumnEntity column = columnMapper.selectById(article.getColumnId());

        Long beforeColumnId = article.getBeforeColumnId();
        article.setBeforeColumnId(-1L);
        articleMapper.updateById(article);

        Map<String, Object> data = new Hashtable<>();
        data.put("id", article.getId());
        data.put("companyId", companyId);

        executor.execute(() -> {
            log.info("执行文章发布");
            cmsCoreService.articleProcess(data, column.getArticleTemplate(), column.getPath());
            this.releaseColumn(column.getId(), 1, companyId);
            if (column.getParentId() != 0L) {
                releaseColumn(column.getParentId(), 1, companyId);
            }

            if (beforeColumnId != null && !article.getColumnId().equals(beforeColumnId)) {
                ColumnEntity beforeColumn = columnMapper.selectById(beforeColumnId);
                this.releaseColumn(beforeColumnId, 1, companyId);
                if (beforeColumn.getParentId() != 0L) {
                    this.releaseColumn(beforeColumn.getParentId(), 1, companyId);
                }
            }

            this.releaseIndex(companyId, false);
        });
    }

    @Override
    public void releaseColumn(Long id, int type, Long companyId) {
        ColumnEntity columnEntity = columnMapper.selectById(id);
        Map<String, Object> map = buildColumnData(columnEntity);

        if (columnEntity.getBeforeParentId() != -1 || !"-1".equals(columnEntity.getBeforeColumnCode())) {
            CompanyEntity company = companyMapper.selectById(companyId);
            if (!"-1".equals(columnEntity.getBeforeColumnCode())) {
                String outputPath = FileUtils.path(cmsProperties.getOutputPath(), company.getCode()) + "/" + columnEntity.getBeforeColumnCode();
                log.info("删除路径为:{}", outputPath);
                FileUtil.del(outputPath);
            }

            if (columnEntity.getBeforeParentId() != -1) {
                ColumnEntity parent = columnMapper.selectById(columnEntity.getBeforeParentId());
                String path = FileUtils.path(cmsProperties.getOutputPath(), company.getCode()) + parent.getPath() + "/" + columnEntity.getColumnCode();
                log.info("删除路径为:{}", path);
                FileUtil.del(path);
            }

            columnEntity.setBeforeColumnCode("-1");
            columnEntity.setBeforeParentId(-1L);
            columnMapper.updateById(columnEntity);
            releaseAll(companyId);
            return;
        }

        executor.execute(() -> {
            List<ArticleEntity> articles = articleMapper.selectArticleByColumnId(columnEntity.getId(), companyId, type);
            if (CollUtil.isNotEmpty(articles)) {
                for (ArticleEntity article : articles) {
                    if (article.getReleaseStatus() == 0) {
                        article.setReleaseStatus(1);
                        articleMapper.updateById(article);
                    }

                    if (article.getType() == 1) {
                        map.put("id", article.getId());
                        cmsCoreService.articleProcess(map, columnEntity.getArticleTemplate(), columnEntity.getPath());
                    }
                }
            }

            map.put("id", columnEntity.getId());

            cmsCoreService.columnProcess(map, columnEntity.getListTemplate());
            if (columnEntity.getParentId() != 0L) {
                ColumnEntity parentColumn = columnMapper.selectById(columnEntity.getParentId());
                Map<String, Object> parentMap = buildColumnData(parentColumn);
                parentMap.put("id", parentColumn.getId());
                cmsCoreService.columnProcess(parentMap, parentColumn.getListTemplate());
            }

            releaseIndex(companyId, false);
        });

        if (type != 1) {
            executor.execute(() -> {
                if (columnEntity.getParentId() == 0L) {
                    List<ColumnEntity> columns = columnMapper.selectColumnByParentId(columnEntity.getId(), companyId, 2);
                    if (CollUtil.isNotEmpty(columns)) {
                        for (ColumnEntity column : columns) {
                            List<ArticleEntity> articles = articleMapper.selectArticleByColumnId(column.getId(), companyId, type);
                            if (CollUtil.isNotEmpty(articles)) {
                                for (ArticleEntity article : articles) {
                                    if (article.getReleaseStatus() == 0) {
                                        article.setReleaseStatus(1);
                                        articleMapper.updateById(article);
                                    }

                                    if (article.getType() == 1) {
                                        map.put("id", article.getId());
                                        cmsCoreService.articleProcess(map, column.getArticleTemplate(), column.getPath());
                                    }
                                }
                            }

                            Map<String, Object> data = buildColumnData(column);
                            cmsCoreService.columnProcess(data, column.getListTemplate());
                        }
                    }
                }

                releaseIndex(companyId, false);
            });

        }
    }

    @Override
    public void releaseColumns(int type, Long companyId) {
        List<ColumnEntity> columns = columnMapper.selectColumnByParentId(0L, companyId, 2);

        if (CollUtil.isEmpty(columns)) {
            return;
        }

        for (ColumnEntity column : columns) {
            releaseColumn(column.getId(), type, companyId);
        }
    }

    private Map<String, Object> buildColumnData(ColumnEntity columnEntity) {
        Map<String, Object> map = new Hashtable<>();
        map.put("id", columnEntity.getId());
        map.put("code", columnEntity.getColumnCode());
        if (columnEntity.getParentId() == 0L) {
            map.put("parentCode", columnEntity.getColumnCode());
        } else {
            ColumnEntity parent = columnMapper.selectById(columnEntity.getParentId());
            map.put("parentCode", parent.getColumnCode());
        }
        map.put("columnTitle", columnEntity.getColumnName());
        map.put("templatePath", columnEntity.getPath());
        map.put("companyId", columnEntity.getCompanyId());
        return map;
    }

    @Override
    public void releaseIndex(Long companyId, boolean hasSearch) {
        Map<String, Object> map = new HashMap<>();
        map.put("companyId", companyId);

        WebSettingEntity webSetting = webSetMapper.selectByCompanyId(companyId);

        cmsCoreService.indexProcess(map, webSetting.getIndexTemplate());
        if (hasSearch) {
            executor.execute(() -> {
                cmsCoreService.process(map, "search", webSetting.getSearchTemplate());
                cmsCoreService.process(map, "message", webSetting.getMsgTemplate());
            });
        }
    }

    @Override
    public void releaseAll(Long companyId) {
        Map<String, Object> map = new HashMap<>();
        map.put("companyId", companyId);

        releaseColumns(4, companyId);
        releaseIndex(companyId, true);
    }
}