package com.yeshi.fanli.service.impl.user;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.List;

import javax.annotation.Resource;

import org.springframework.stereotype.Service;

import com.yeshi.fanli.dao.mybatis.share.SpreadUserImgMapper;
import com.yeshi.fanli.dao.user.SpreadImgDao;
import com.yeshi.fanli.dao.user.SpreadUserImgDao;
import com.yeshi.fanli.dao.user.UserInfoDao;
import com.yeshi.fanli.entity.bus.invite.SpreadImg;
import com.yeshi.fanli.entity.bus.invite.SpreadUserImg;
import com.yeshi.fanli.entity.bus.user.UserInfo;
import com.yeshi.fanli.service.inter.user.QrCodeService;
import com.yeshi.fanli.service.inter.user.SpreadUserImgService;
import com.yeshi.fanli.util.Constant;
import com.yeshi.fanli.util.StringUtil;
import org.yeshi.utils.ListUtil;
import org.yeshi.utils.tencentcloud.COSManager;

@Service
public class SpreadUserImgServiceImpl implements SpreadUserImgService {

	@Resource
	private SpreadUserImgDao spreadUserImgDao;

	@Resource
	private SpreadUserImgMapper spreadUserImgMapper;

	@Resource
	private SpreadImgDao spreadImgDao;

	@Resource
	private QrCodeService qrCodeService;

	@Resource
	private UserInfoDao userInfoDao;

	@Override
	public void addUserInviteImg(Long uid, String imgUrl) {
		SpreadUserImg spreadUserImg = new SpreadUserImg();
		spreadUserImg.setUid(uid);
		spreadUserImg.setUrl(imgUrl); // 服务器上的url地址
		spreadUserImg.setType(0);
		spreadUserImg.setCreatetime(new Date());
		spreadUserImgDao.save(spreadUserImg);
	}

	@Override
	public List<String> getImgUrlList(Long uid) {
		return spreadUserImgMapper.getImgUrlList(uid);
	}

	@Override
	public int imgUrlCount(Long uid) {
		return spreadUserImgMapper.imgUrlCount(uid);
	}

	@Override
	public void deleteImgUrl(Long uid) {
		// 先删除远程文件
		List<String> urlList = getImgUrlList(uid);
		spreadUserImgMapper.deleteImgUrl(uid);
		if (urlList != null)
			for (String img : urlList) {
				COSManager.getInstance().deleteFile(img);
			}
	}

	// 获取图片的MD5值
	private String getSpreadUserImgMD5(String url) {
		// https://ec-1255749512.file.myqcloud.com/ercode/ercode_578435_16a56f70b2b74aae9277f0e87a242f47.jpg
		String imgName = url.split("_")[url.split("_").length - 1];
		return imgName.replace(".jpg", "").replace(".png", "");
	}

	// 获取图片的MD5值
	private String getSpreadImgMD5(String url) {
		// https://ec-1255749512.file.myqcloud.com/16a56f70b2b74aae9277f0e87a242f47.png
		String imgName = url.split("/")[url.split("/").length - 1];
		return imgName.substring(0, imgName.indexOf("."));
	}

	@Override
	public List<String> getUserSpreadImg(Long uid) {
		List<String> imgList = new ArrayList<>();

		// 查询当前用户的推广图
		List<SpreadUserImg> spreadUserImgList = spreadUserImgDao.list("from SpreadUserImg su where su.uid=" + uid);
		// 查询系统的推广图
		List<SpreadImg> spreadImgList = spreadImgDao.list("from SpreadImg");

		for (SpreadUserImg img : spreadUserImgList) {
			img.setMd5(getSpreadUserImgMD5(img.getUrl()));
		}

		for (SpreadImg img : spreadImgList) {
			img.setMd5(getSpreadImgMD5(img.getUrl()));
		}

		Comparator<SpreadImg> cmSpreadImg = new Comparator<SpreadImg>() {

			@Override
			public int compare(SpreadImg o1, SpreadImg o2) {
				return o1.getMd5().compareTo(o2.getMd5());
			}
		};

		Comparator<SpreadUserImg> cmUserSpreadImg = new Comparator<SpreadUserImg>() {

			@Override
			public int compare(SpreadUserImg o1, SpreadUserImg o2) {
				return o1.getMd5().compareTo(o2.getMd5());
			}
		};
		Collections.sort(spreadUserImgList, cmUserSpreadImg);
		Collections.sort(spreadImgList, cmSpreadImg);

		boolean equal = true;
		if (spreadUserImgList.size() == spreadImgList.size())
			for (int i = 0; i < spreadUserImgList.size(); i++) {
				if (!spreadUserImgList.get(i).getMd5().equalsIgnoreCase(spreadImgList.get(i).getMd5())) {
					equal = false;
					break;
				}
			}
		else
			equal = false;

		// 没有更改
		if (equal) {
			for (SpreadUserImg userImg : spreadUserImgList)
				imgList.add(userImg.getUrl());
			return imgList;
		}

		// 有过更改

		List<String> spreadUserMD5List = new ArrayList<>();
		for (SpreadUserImg userImg : spreadUserImgList)
			spreadUserMD5List.add(userImg.getMd5());
		List<String> spreadMD5List = new ArrayList<>();
		for (SpreadImg img : spreadImgList)
			spreadMD5List.add(img.getMd5());
		// 删除多余的

		// 获取交集
		List<String> ilist = ListUtil.getIntersection(spreadUserMD5List, spreadMD5List);

		// 获取多余的集合
		List<String> extraList = ListUtil.getDifference(spreadUserMD5List, ilist);

		for (String md5 : extraList) {
			for (SpreadUserImg img : spreadUserImgList)
				if (img.getMd5().equalsIgnoreCase(md5)) {
					spreadUserImgDao.delete(img);
					break;
				}
		}

		List<String> dlist = ListUtil.getDifference(spreadMD5List, ilist);

		UserInfo user = null;
		if (dlist != null && dlist.size() > 0)
			user = userInfoDao.find(UserInfo.class, uid);
		// 添加原来没有的
		for (String md5 : dlist) {
			for (SpreadImg img : spreadImgList)
				if (img.getMd5().equalsIgnoreCase(md5)) {
					// 画图
					try {
						String imgUrl = qrCodeService.drawInviteQrCode(img.getUrl(), uid,
								StringUtil.isNullOrEmpty(user.getPortrait())
										? Constant.systemCommonConfig.getDefaultPortrait() : user.getPortrait());
						if (!StringUtil.isNullOrEmpty(imgUrl)) {
							if (imgUrl != null) {
								addUserInviteImg(uid, imgUrl);
							}
						}
					} catch (IOException e) {
						e.printStackTrace();
					} // 背景图
					break;
				}
		}

		// 重新查询
		spreadUserImgList = spreadUserImgDao.list("from SpreadUserImg su where su.uid=" + uid);
		imgList.clear();
		if (spreadUserImgList != null)
			for (SpreadUserImg img : spreadUserImgList)
				imgList.add(img.getUrl());
		return imgList;
	}

	@Override
	public String getUserSpreadImg(Long uid, String bgImg) {
		// 查询是否存在
		// String md5 = getSpreadImgMD5(bgImg);
		// List<SpreadUserImg> spreadUserImgList = spreadUserImgDao.list("from
		// SpreadUserImg su where su.uid=" + uid);
		// for (SpreadUserImg img : spreadUserImgList) {
		// img.setMd5(getSpreadUserImgMD5(img.getUrl()));
		// if (md5.equalsIgnoreCase(getSpreadUserImgMD5(img.getUrl())))
		// return img.getUrl();// 原来存在
		// }

		// 生成
		UserInfo user = userInfoDao.find(UserInfo.class, uid);
		try {
			String imgUrl = qrCodeService.drawInviteQrCode(bgImg, uid, user.getPortrait());
			return imgUrl;
		} catch (IOException e) {
			e.printStackTrace();
		}
		return null;
	}

	@Override
	public String getUserSpreadImg(Long uid, String bgImg, int erCodePostionX, int erCodePostionY, int erCodeSize) {
		UserInfo user = userInfoDao.find(UserInfo.class, uid);
		try {
			String imgUrl = qrCodeService.drawInviteQrCode(bgImg, uid, user.getPortrait(), erCodePostionX,
					erCodePostionY, erCodeSize);
			return imgUrl;
		} catch (IOException e) {
			e.printStackTrace();
		}
		return null;
	}

	@Override
	public int countUserSpreadImg(Long uid) {

		return (int) (spreadUserImgDao.getCount("select count(*) from SpreadUserImg u where u.uid=" + uid));
	}

}