'use strict';
const Hex = require('crypto-js/enc-hex');
const MD5 = require('crypto-js/md5');

async function getPublicityInfo(ctx, next) {
  try {
    const models = ctx.fs.dc.models;
    const { limit, page, name, label } = ctx.query

    let findOption = {
      where: {},
      order: [['time', 'DESC']],
      include: [
        {
          model: models.Qrcode,
        },
        {
          model: models.QrcodeLabels,
          attributes: ["name"],
        },
        {
          model: models.QrcodeFiles,
        },
      ],
      distinct: true
    }
    if (limit) {
      findOption.limit = Number(limit)
    }
    if (page && limit) {
      findOption.offset = page * limit
    }
    // if (startTime && endTime) {
    //     findOption.where.time = { $between: [startTime, endTime] };
    // }
    if (name) {
      findOption.where.name = { $like: `%${name}%` }
    }

    const res = await models.PublicityInfo.findAndCountAll(findOption)

    ctx.status = 200;
    ctx.body = res
  } catch (error) {
    ctx.fs.logger.error(`path: ${ctx.path}, error: ${error}`);
    ctx.status = 400;
    ctx.body = {
      "message": "获取宣传信息失败"
    }
  }
}

async function createPublicityInfo(ctx, next) {
  const models = ctx.fs.dc.models;
  const transaction = await ctx.fs.dc.orm.transaction();
  try {
    const body = ctx.request.body;
    const { type, name, labels, qrcode, files } = body;

    const dbQrcode = await models.Qrcode.create({
      name, type, url: qrcode.url, key: qrcode.key, logo: qrcode.logo,
    }, { transaction });

    const dbPublicityInfo = await models.PublicityInfo.create({
      ...body,
      qrcodeId: dbQrcode.id,
      time: new Date().getTime(),
    }, { transaction });

    if (labels && labels.length) {
      let labelIds = []
      let createLabels = [];
      for (const l of labels) {
        if (typeof l === 'string') {
          createLabels.push({ name: l });
        } else {
          labelIds.push(l);
        }
      }
      if (createLabels.length) {
        const dbLabels = await models.QrcodeLabels.bulkCreate(createLabels, { returning: true, transaction });
        labelIds = labelIds.concat(dbLabels.map(l => l.id));
      }
      if (labelIds.length) {
        await models.QrcodeLabelsQrcode.bulkCreate(labelIds.map(l => ({
          labelId: l, qrcodeId: dbQrcode.id, publicityInfoId: dbPublicityInfo.id
        })), { transaction });
      }
    }

    if (type !== '链接') {
      if (!files || !files.length) throw new Error('缺少请求参数: files');
      await models.QrcodeFiles.bulkCreate(files.map(f => ({
        fileName: f.customFileName ? f.customFileName : f.name.split('.').slice(0, -1).join('.'),
        fileSize: f.size,
        fileUrl: f.storageUrl,
        previewImgUrl: f.previewImgUrl,
        qrcodeId: dbQrcode.id,
        publicityInfoId: dbPublicityInfo.id,
      })), { transaction });
    }

    ctx.status = 204;
    ctx.body = { message: '新建宣传信息成功' };
    await transaction.commit();
  } catch (error) {
    await transaction.rollback();
    ctx.fs.logger.error(`path: ${ctx.path}, error: ${error}`);
    ctx.status = 400;
    ctx.body = { message: '新建宣传信息失败' };
  }
}

async function updatePublicityInfo(ctx, next) {
  try {
    const models = ctx.fs.dc.models;
    const { id } = ctx.params;
    const body = ctx.request.body;
    await models.Department.update(
      body,
      { where: { id: id } }
    )
    ctx.status = 204;
    ctx.body = { message: '修改部门成功' }
  } catch (error) {
    ctx.fs.logger.error(`path: ${ctx.path}, error: ${error}`);
    ctx.status = 400;
    ctx.body = { message: '修改部门失败' }
  }
}

async function delPublicityInfo(ctx, next) {
  const transaction = await ctx.fs.dc.orm.transaction();
  let errMsg = "删除宣传信息失败";
  try {
    const models = ctx.fs.dc.models;
    const { id } = ctx.params;
    const { qrcodeId } = ctx.query;

    await models.QrcodeLabelsQrcode.destroy({
      where: { publicityInfoId: id },
      transaction
    });
    await models.QrcodeFiles.destroy({
      where: { publicityInfoId: id },
      transaction
    });
    await models.PublicityInfo.destroy({
      where: { id: id },
      transaction: transaction,
    });
    await models.Qrcode.destroy({
      where: { id: qrcodeId },
      transaction
    });

    ctx.status = 204;
    ctx.body = { message: '删除宣传信息成功' }
    transaction.commit();
  } catch (error) {
    transaction.rollback();
    ctx.fs.logger.error(`path: ${ctx.path}, error: ${error}`);
    ctx.status = 400;
    ctx.body = { message: error }
  }
}

module.exports = {
  getPublicityInfo,
  createPublicityInfo,
  updatePublicityInfo,
  delPublicityInfo,
}