const moment = require('moment');

const Errors = {
  LIST_NOT_FOUND: {
    notFound: 'List is not found'
  }
};

module.exports = {
  inputs: {
    listId: {
      type: 'number',
      required: true
    },
    position: {
      type: 'number',
      required: true
    },
    name: {
      type: 'string',
      required: true
    },
    description: {
      type: 'string',
      isNotEmptyString: true,
      allowNull: true
    },
    dueDate: {
      type: 'string',
      custom: value => moment(value, moment.ISO_8601, true).isValid()
    },
    timer: {
      type: 'json',
      custom: value =>
        _.isPlainObject(value) &&
        _.size(value) === 2 &&
        (_.isNull(value.startedAt) ||
          moment(value.startedAt, moment.ISO_8601, true).isValid()) &&
        _.isFinite(value.total)
    }
  },

  exits: {
    notFound: {
      responseType: 'notFound'
    }
  },

  fn: async function(inputs, exits) {
    const { currentUser } = this.req;

    const { list, project } = await sails.helpers
      .getListToProjectPath(inputs.listId)
      .intercept('notFound', () => Errors.LIST_NOT_FOUND);

    const isUserMemberForProject = await sails.helpers.isUserMemberForProject(
      project.id,
      currentUser.id
    );

    if (!isUserMemberForProject) {
      throw Errors.LIST_NOT_FOUND; // Forbidden
    }

    const values = _.pick(inputs, [
      'position',
      'name',
      'description',
      'dueDate',
      'timer'
    ]);

    const card = await sails.helpers.createCard(
      list,
      values,
      currentUser,
      this.req
    );

    return exits.success({
      item: card
    });
  }
};