const mongoose = require('mongoose');
const Schema = mongoose.Schema;

const tools = require('../tools/general');

mongoose.Promise = global.Promise;
mongoose.level = "F";


// Resolving error Unknown modifier: $pushAll
mongoose.plugin(schema => {
  schema.options.usePushEach = true
});

const HoursSchema = new Schema({
  idapp: {
    type: String,
  },
  userId: { type: Schema.Types.ObjectId, ref: 'User' },
  descr: {
    type: String,
  },
  todoId: {
    type: String,
  },
  date: {
    type: Date,
    default: Date.now
  },
  time_start: {
    type: Number,
  },
  time_end: {
    type: Number,
  },
  hours: {
    type: Number,
  },
});

var Hours = module.exports = mongoose.model('Hours', HoursSchema);

module.exports.getFieldsForSearch = function () {
  return [{ field: 'descr', type: tools.FieldType.string }]
};

module.exports.executeQueryTable = function (idapp, params) {
  params.fieldsearch = this.getFieldsForSearch();
  return tools.executeQueryTable(this, idapp, params);
};

module.exports.findAllIdApp = async function (idapp) {
  const myfind = { idapp };

  return await Hours.find(myfind);
};

module.exports.calculateHoursTodo = async function (idtodo) {
  const Hours = this;

  if (idtodo) {
    const myfind = [
      {
        $match: { todoId: idtodo }
      },
      {
        $group:
          {
            _id: "$todoId",

            totalAmount: {
              $sum: "$hours"
            },
            count: {
              $sum: 1
            }
          }
      }
    ];

    try {
      const ris = await Hours.aggregate(myfind);
      if (ris.length > 0) {
        return ris[0].totalAmount;
      } else {
        return 0;
      }
    } catch (e) {
      console.log('e', e);
      return 0;
    }
  } else {
    return 0;
  }

}
;