import { Model } from 'objection';
import TenantModel from 'models/TenantModel';

export default class BillPayment extends TenantModel {
  /**
   * Table name
   */
  static get tableName() {
    return 'bills_payments';
  }

  /**
   * Timestamps columns.
   */
  get timestamps() {
    return ['createdAt', 'updatedAt'];
  }

  static get resourceable() {
    return true;
  }

  /**
   * Relationship mapping.
   */
  static get relationMappings() {
    const BillPaymentEntry = require('models/BillPaymentEntry');
    const AccountTransaction = require('models/AccountTransaction');
    const Contact = require('models/Contact');
    const Account = require('models/Account');

    return {
      entries: {
        relation: Model.HasManyRelation,
        modelClass: BillPaymentEntry.default,
        join: {
          from: 'bills_payments.id',
          to: 'bills_payments_entries.billPaymentId',
        },
      },

      vendor: {
        relation: Model.BelongsToOneRelation,
        modelClass: Contact.default,
        join: {
          from: 'bills_payments.vendorId',
          to: 'contacts.id',
        },
        filter(query) {
          query.where('contact_service', 'vendor');
        }
      },

      paymentAccount: {
        relation: Model.BelongsToOneRelation,
        modelClass: Account.default,
        join: {
          from: 'bills_payments.paymentAccountId',
          to: 'accounts.id',
        },
      },

      transactions: {
        relation: Model.HasManyRelation,
        modelClass: AccountTransaction.default,
        join: {
          from: 'bills_payments.id',
          to: 'accounts_transactions.referenceId'
        },
        filter(builder) {
          builder.where('reference_type', 'BillPayment');
        },
      }
    };
  }

  static get fields() {
    return {
      created_at: {
        label: 'Created at',
        column: 'created_at',
        columnType: 'date',
      },
      vendor: {
        lable: "Vendor name",
        column: 'vendor_id',
        relation: 'contacts.id',
        relationColumn: 'contacts.display_name',
      },
      amount: {
        label: "Amount",
        column: "amount",
        columnType: 'number',
        fieldType: 'number',
      },
      payment_account: {
        label: "Payment account",
        column: "payment_account_id",
        relation: "accounts",
        relationColumn: "accounts.name",

        fieldType: 'options',
        optionsResource: 'Account',
        optionsKey: 'id',
        optionsLabel: 'name',
      },
      payment_number: {
        label: "Payment number",
        column: "payment_number",
        columnType: 'string',
        fieldType: 'text',
      },
      payment_date: {
        label: "Payment date",
        column: "payment_date",
        columnType: 'date',
        fieldType: 'date',
      },
      reference: {
        label: "Reference No.",
        column: "reference",
        columnType: 'string',
        fieldType: 'text',
      },
      description: {
        label: "Description",
        column: "description",
        columnType: 'string',
        fieldType: 'text',
      }
    }
  }
}