const mongoose = require('mongoose').set('debug', false);
const Schema = mongoose.Schema;

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

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

const {ObjectID} = require('mongodb');

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

const MySkillSchema = new Schema({
  _id: {
    type: Number,
  },
  idapp: {
    type: String,
    required: true,
  },
  userId: {type: Schema.Types.ObjectId, ref: 'User'},
  idSector: {
    type: Number,
  },
  idSkill: {
    type: Number,
    default: 0,
  },
  idSubSkill: [
    {
      type: Number,
      default: 0,
    }],
  idStatusSkill: [
    {
      type: Number,
    }],
  idContribType: [
    {
      type: String,
    }],
  idCity: [
    {
      type: Number,
    }],
  numLevel: {
    type: Number,
    default: 0,
  },
  photos: [
    {
      imagefile: {
        type: String,
      },
      alt: {
        type: String,
      },
      description: {
        type: String,
      },
    }],
  note: {
    type: String,
    default: '',
  },
  subTitle: {
    type: String,
  },
  descr: {
    type: String,
  },
  date_created: {
    type: Date,
    default: Date.now,
  },
  date_updated: {
    type: Date,
    default: Date.now,
  },
});

MySkillSchema.pre('save', async function(next) {
  if (this.isNew) {
    const myrec = await MySkill.findOne().limit(1).sort({_id: -1});
    if (!!myrec) {
      if (myrec._doc._id === 0)
        this._id = 1;
      else
        this._id = myrec._doc._id + 1;

    } else {
      this._id = 1;
    }

    this.date_created = new Date();
  }

  next();
});

MySkillSchema.statics.findAllIdApp = async function(idapp) {
  const MySkill = this;

  const query = [
    {$match: {idapp}},
    {$sort: {descr: 1}},
  ];

  return MySkill.aggregate(query).then((arrrec) => {
    return arrrec;
  });

};

MySkillSchema.statics.getFieldsForSearch = function() {
  return [
    {field: 'idSkill', type: tools.FieldType.Number}
    , {field: 'note', type: tools.FieldType.String}
    , {field: 'subTitle', type: tools.FieldType.String},
  ];
};

MySkillSchema.statics.executeQueryTable = function(idapp, params) {
  params.fieldsearch = this.getFieldsForSearch();

  const otherparams = {
    lookup1: {
      lk_tab: 'users',
      lk_LF: 'userId',
      lk_FF: '_id',
      lk_as: 'user',
      af_objId_tab: 'myId',
      lk_proj: {
        idSkill: 1,
        idStatusSkill: 1,
        idContribType: 1,
        idCity: 1,
        numLevel: 1,
        photos: 1,
        note: 1,
        subTitle: 1,
        date_created: 1,
        date_updated: 1,
        userId: 1,
        username: 1,
        name: 1,
        surname: 1,
        'profile.img': 1,
        'profile.qualifica': 1,
      },
    },
  };

  params = {...params, ...otherparams};

  return tools.executeQueryTable(this, idapp, params);
};

MySkillSchema.statics.getMySkillByIdkill = function (idapp, idSkill) {
  const MySkill = this;

  const query = [
    {
      "$match": {
        "$and": [
          {
            "_id": parseInt(idSkill)
          }
        ]
      }
    },
    {
      "$match": {
        "idapp": idapp
      }
    },
    {
      "$sort": {
        "desc": 1
      }
    },
    {
      "$addFields": {
        "myId1": {
          "$toObjectId": "$userId"
        }
      }
    },
    {
      "$lookup": {
        "from": "users",
        "localField": "myId1",
        "foreignField": "_id",
        "as": "user"
      }
    },
    {
      "$replaceRoot": {
        "newRoot": {
          "$mergeObjects": [
            {
              "$arrayElemAt": [
                "$user",
                0
              ]
            },
            "$$ROOT"
          ]
        }
      }
    },
    {
      "$project": {
        "recSkill": 1,
        "sector": 1,
        "idSector": 1,
        "idSkill": 1,
        "idSubSkill": 1,
        "idStatusSkill": 1,
        "idContribType": 1,
        "idCity": 1,
        "numLevel": 1,
        "photos": 1,
        "note": 1,
        "subTitle": 1,
        "date_created": 1,
        "date_updated": 1,
        "userId": 1,
        "username": 1,
        "name": 1,
        "surname": 1,
        "comune": 1,
        "mycities": 1,
        "profile.img": 1,
        "profile.qualifica": 1
      }
    },
    {
      "$lookup": {
        "from": "skills",
        "localField": "idSkill",
        "foreignField": "_id",
        "as": "recSkill"
      }
    },
    {
      "$replaceRoot": {
        "newRoot": {
          "$mergeObjects": [
            {
              "$arrayElemAt": [
                "$recSkill",
                0
              ]
            },
            "$$ROOT"
          ]
        }
      }
    },
    {
      "$project": {
        "recSkill": 1,
        "sector": 1,
        "idSector": 1,
        "idSkill": 1,
        "idSubSkill": 1,
        "idStatusSkill": 1,
        "idContribType": 1,
        "idCity": 1,
        "numLevel": 1,
        "photos": 1,
        "note": 1,
        "subTitle": 1,
        "date_created": 1,
        "date_updated": 1,
        "userId": 1,
        "username": 1,
        "name": 1,
        "surname": 1,
        "comune": 1,
        "mycities": 1,
        "profile.img": 1,
        "profile.qualifica": 1
      }
    },
    {
      "$lookup": {
        "from": "sectors",
        "localField": "recSkill.idSector",
        "foreignField": "_id",
        "as": "sector"
      }
    },
    {
      "$replaceRoot": {
        "newRoot": {
          "$mergeObjects": [
            {
              "$arrayElemAt": [
                "$sector",
                0
              ]
            },
            "$$ROOT"
          ]
        }
      }
    },
    {
      "$project": {
        "recSkill": 1,
        "sector": 1,
        "idSector": 1,
        "idSkill": 1,
        "idSubSkill": 1,
        "idStatusSkill": 1,
        "idContribType": 1,
        "idCity": 1,
        "numLevel": 1,
        "photos": 1,
        "note": 1,
        "subTitle": 1,
        "date_created": 1,
        "date_updated": 1,
        "userId": 1,
        "username": 1,
        "name": 1,
        "surname": 1,
        "comune": 1,
        "mycities": 1,
        "profile.img": 1,
        "profile.qualifica": 1
      }
    },
    {
      "$lookup": {
        "from": "subskills",
        "localField": "idSubSkill",
        "foreignField": "_id",
        "as": "myskill"
      }
    },
    {
      "$replaceRoot": {
        "newRoot": {
          "$mergeObjects": [
            {
              "$arrayElemAt": [
                "$myskill",
                0
              ]
            },
            "$$ROOT"
          ]
        }
      }
    },
    {
      "$project": {
        "recSkill": 1,
        "sector": 1,
        "idSector": 1,
        "idSkill": 1,
        "idSubSkill": 1,
        "idStatusSkill": 1,
        "idContribType": 1,
        "idCity": 1,
        "numLevel": 1,
        "photos": 1,
        "note": 1,
        "subTitle": 1,
        "date_created": 1,
        "date_updated": 1,
        "userId": 1,
        "username": 1,
        "name": 1,
        "surname": 1,
        "comune": 1,
        "mycities": 1,
        "profile.img": 1,
        "profile.qualifica": 1
      }
    },
    {
      "$lookup": {
        "from": "cities",
        "localField": "idCity",
        "foreignField": "_id",
        "as": "mycities"
      }
    },
    {
      "$replaceRoot": {
        "newRoot": {
          "$mergeObjects": [
            {
              "$arrayElemAt": [
                "$mycities",
                0
              ]
            },
            "$$ROOT"
          ]
        }
      }
    },
    {
      "$project": {
        "recSkill": 1,
        "sector": 1,
        "idSector": 1,
        "idSkill": 1,
        "idSubSkill": 1,
        "idStatusSkill": 1,
        "idContribType": 1,
        "idCity": 1,
        "numLevel": 1,
        "photos": 1,
        "note": 1,
        "subTitle": 1,
        "date_created": 1,
        "date_updated": 1,
        "userId": 1,
        "username": 1,
        "name": 1,
        "surname": 1,
        "comune": 1,
        "mycities": 1,
        "profile.img": 1,
        "profile.qualifica": 1
      }
    }
  ]

  return MySkill.aggregate(query).then((rec) => {
    return rec ? rec[0] : null;
  });
};


const MySkill = mongoose.model('MySkill', MySkillSchema);

module.exports = {MySkill};