package com.izouma.nineth.service;

import com.izouma.nineth.domain.MetaTaskBind;
import com.izouma.nineth.domain.MetaTaskNew;
import com.izouma.nineth.dto.MetaRestResult;
import com.izouma.nineth.dto.PageQuery;
import com.izouma.nineth.enums.MetaTaskType;
import com.izouma.nineth.exception.BusinessException;
import com.izouma.nineth.repo.MetaTaskBindRepo;
import com.izouma.nineth.repo.MetaTaskNewRepo;
import com.izouma.nineth.utils.JpaUtils;
import com.izouma.nineth.utils.ObjUtils;
import lombok.AllArgsConstructor;
import org.apache.commons.collections.CollectionUtils;
import org.springframework.data.domain.Page;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
@AllArgsConstructor
public class MetaTaskNewService {

    private MetaTaskNewRepo metaTaskNewRepo;

    private MetaTaskBindRepo metaTaskBindRepo;

    public MetaTaskNew save(MetaTaskNew record) {
        if (record.getId() != null) {
            MetaTaskNew orig = metaTaskNewRepo.findById(record.getId()).orElseThrow(new BusinessException("无记录"));
            ObjUtils.merge(orig, record);
            MetaTaskNew save = metaTaskNewRepo.save(orig);
            saveMetaTaskBind(save.getId(), record);
            return save;
        }
        MetaTaskNew save = metaTaskNewRepo.save(record);
        saveMetaTaskBind(save.getId(), record);
        return save;
    }

    private void saveMetaTaskBind(Long taskId, MetaTaskNew record) {
        // 节点任务
        if (CollectionUtils.isNotEmpty(record.getMetaNodeTask())) {
            record.getMetaNodeTask().forEach(metaTaskBind -> {
                metaTaskBind.setTaskId(taskId);
                metaTaskBind.setType(MetaTaskType.NODE);
            });
            metaTaskBindRepo.saveAll(record.getMetaNodeTask());
        }
        // 支线任务
        if (CollectionUtils.isNotEmpty(record.getMetaBranchLineTask())) {
            record.getMetaBranchLineTask().forEach(metaTaskBind -> {
                metaTaskBind.setTaskId(taskId);
                metaTaskBind.setType(MetaTaskType.BRANCH_LINE);
            });
            metaTaskBindRepo.saveAll(record.getMetaBranchLineTask());
        }
        // 日常任务
        if (CollectionUtils.isNotEmpty(record.getMetaDailyTask())) {
            record.getMetaDailyTask().forEach(metaTaskBind -> {
                metaTaskBind.setTaskId(taskId);
                metaTaskBind.setType(MetaTaskType.DAILY);
            });
            metaTaskBindRepo.saveAll(record.getMetaDailyTask());
        }
    }

    public Page<MetaTaskNew> all(PageQuery pageQuery) {
        return metaTaskNewRepo.findAll(JpaUtils.toSpecification(pageQuery, MetaTaskNew.class), JpaUtils.toPageRequest(pageQuery));
    }

    public MetaTaskNew get(Long id) {
        MetaTaskNew metaTaskNew = metaTaskNewRepo.findById(id).orElseThrow(new BusinessException("无记录"));
        buildAtomTask(metaTaskNew);
        return metaTaskNew;
    }

    public MetaRestResult<List<MetaTaskNew>> canGet(Long userId, Long channelId) {
        List<MetaTaskNew> metaTaskNews = metaTaskNewRepo.canGet(userId, channelId);
        metaTaskNews.forEach(this::buildAtomTask);
        return MetaRestResult.returnSuccess(metaTaskNews);
    }

    private void buildAtomTask(MetaTaskNew metaTaskNew) {
        if (MetaTaskType.MAIN_LINE.equals(metaTaskNew.getType())) {
            List<MetaTaskBind> metaNodeTask = metaTaskBindRepo.findByTaskIdAndTypeAndDel(metaTaskNew.getId(), MetaTaskType.NODE, false);
            if (CollectionUtils.isNotEmpty(metaNodeTask)) {
                metaTaskNew.setMetaNodeTask(metaNodeTask);
            }
            List<MetaTaskBind> metaBranchLineTask = metaTaskBindRepo.findByTaskIdAndTypeAndDel(metaTaskNew.getId(), MetaTaskType.BRANCH_LINE, false);
            if (CollectionUtils.isNotEmpty(metaBranchLineTask)) {
                metaTaskNew.setMetaBranchLineTask(metaBranchLineTask);
            }
            return;
        }
        if (MetaTaskType.BRANCH_LINE.equals(metaTaskNew.getType())) {
            List<MetaTaskBind> metaBranchLineTask = metaTaskBindRepo.findByTaskIdAndTypeAndDel(metaTaskNew.getId(), MetaTaskType.BRANCH_LINE, false);
            if (CollectionUtils.isNotEmpty(metaBranchLineTask)) {
                metaTaskNew.setMetaBranchLineTask(metaBranchLineTask);
            }
            return;
        }
        if (MetaTaskType.DAILY.equals(metaTaskNew.getType())) {
            List<MetaTaskBind> metaDailyTask = metaTaskBindRepo.findByTaskIdAndTypeAndDel(metaTaskNew.getId(), MetaTaskType.DAILY, false);
            if (CollectionUtils.isNotEmpty(metaDailyTask)) {
                metaTaskNew.setMetaDailyTask(metaDailyTask);
            }
        }
    }
}