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

var CompanySchema = new Schema(
  {
    name: { type: String, required: true, unique: true },
    shortName: String,
    logo: String,
  },
  { timestamps: true },
);

/*
 *** Statics ***
 */

// Get all companies
CompanySchema.statics.getAll = () => {
  return new Promise((resolve, reject) => {
    var query = Company.find();
    query.select('name shortName logo');
    query
      .exec()
      .then(rows => {
        resolve(rows);
      })
      .catch(err => {
        reject(err);
      });
  });
};

// Create company
CompanySchema.statics.create = company => {
  return new Promise((resolve, reject) => {
    var query = new Company(company);
    query
      .save(company)
      .then(row => {
        resolve({ _id: row._id, name: row.name });
      })
      .catch(err => {
        if (err.code === 11000)
          reject({
            fn: 'BadParameters',
            message: 'Company name already exists',
          });
        else reject(err);
      });
  });
};

// Update company
CompanySchema.statics.update = (companyId, company) => {
  return new Promise((resolve, reject) => {
    var query = Company.findOneAndUpdate({ _id: companyId }, company);
    query
      .exec()
      .then(rows => {
        if (rows) resolve(rows);
        else reject({ fn: 'NotFound', message: 'Company Id not found' });
      })
      .catch(err => {
        if (err.code === 11000)
          reject({
            fn: 'BadParameters',
            message: 'Company name already exists',
          });
        else reject(err);
      });
  });
};

// Delete company
CompanySchema.statics.delete = companyId => {
  return new Promise((resolve, reject) => {
    var query = Company.findOneAndDelete({ _id: companyId });
    query
      .exec()
      .then(rows => {
        if (rows) resolve(rows);
        else reject({ fn: 'NotFound', message: 'Company Id not found' });
      })
      .catch(err => {
        reject(err);
      });
  });
};

/*
 *** Methods ***
 */

var Company = mongoose.model('Company', CompanySchema);
module.exports = Company;