declare const describe, it, expect;

import {Comparators} from '../../src/api/Comparator';
import {Filter} from '../../src/api/Filter';
import {OnmsError} from '../../src/api/OnmsError';
import {OrderBy, Orders} from '../../src/api/OrderBy';
import {Restriction} from '../../src/api/Restriction';

import {Severities} from '../../src/model/OnmsSeverity';

import {V1FilterProcessor} from '../../src/dao/V1FilterProcessor';

describe('V1FilterProcessor', () => {
  it('default alarm filter', () => {
    const filter = new Filter();
    const proc = new V1FilterProcessor();
    const params = proc.getParameters(filter);
    expect(Object.keys(params).length).toEqual(1);
    expect(params.limit).toEqual('1000');
  });
  it('alarm filter with no parameters', () => {
    const filter = new Filter();
    filter.limit = undefined;
    const proc = new V1FilterProcessor();
    const params = proc.getParameters(filter);
    expect(Object.keys(params).length).toEqual(0);
  });
  it('alarm filter: id=notnull', () => {
    const filter = new Filter();
    filter.withOrRestriction(new Restriction('id', Comparators.NOTNULL));
    const proc = new V1FilterProcessor();
    const params = proc.getParameters(filter);
    expect(Object.keys(params).length).toEqual(2);
    expect(params.id).toEqual('notnull');
  });
  it('alarm filter: id=notnull, ackTime=null', () => {
    const filter = new Filter();
    filter.withOrRestriction(new Restriction('id', Comparators.NOTNULL));
    filter.withOrRestriction(new Restriction('ackTime', Comparators.NULL));
    const proc = new V1FilterProcessor();
    const params = proc.getParameters(filter);
    expect(Object.keys(params).length).toEqual(3);
    expect(params.id).toEqual('notnull');
    expect(params.ackTime).toEqual('null');
  });
  it('alarm filter: id=notnull, severity="MINOR"', () => {
    const filter = new Filter();
    filter.withOrRestriction(new Restriction('id', Comparators.NOTNULL));
    filter.withOrRestriction(new Restriction('severity', Comparators.EQ, 'MINOR'));
    const proc = new V1FilterProcessor();
    const params = proc.getParameters(filter);
    expect(Object.keys(params).length).toEqual(4);
    expect(params.comparator).toEqual('eq');
    expect(params.id).toEqual('notnull');
    expect(params.severity).toEqual('MINOR');
  });
  it('alarm filter: id=notnull, severity=OnmsSeverity.MINOR', () => {
    const filter = new Filter();
    filter.withOrRestriction(new Restriction('id', Comparators.NOTNULL));
    filter.withOrRestriction(new Restriction('severity', Comparators.EQ, Severities.MINOR));
    const proc = new V1FilterProcessor();
    const params = proc.getParameters(filter);
    expect(Object.keys(params).length).toEqual(4);
    expect(params.comparator).toEqual('eq');
    expect(params.id).toEqual('notnull');
    expect(params.severity).toEqual('MINOR');
  });
  it('alarm filter: severity=OnmsSeverity.MINOR, id!=0', () => {
    const filter = new Filter();
    filter.withOrRestriction(new Restriction('severity', Comparators.EQ, Severities.MINOR));
    filter.withOrRestriction(new Restriction('id', Comparators.NE, 0));
    const proc = new V1FilterProcessor();
    expect(() => {
      proc.getParameters(filter);
    }).toThrow(OnmsError);
  });
  it('alarm filter: lastEventTime=1976-04-14T00:00:00.000+0000', () => {
    const filter = new Filter();
    filter.withOrRestriction(new Restriction('lastEventTime', Comparators.EQ, new Date(198288000000)));
    const proc = new V1FilterProcessor();
    expect(proc.getParameters(filter)).toMatchObject({
      lastEventTime: '1976-04-14T00:00:00.000+0000',
    });
  });
  it('alarm filter: orderBy=lastEventTime&orderBy=id&order=DESC', () => {
    const filter = new Filter();
    filter
      .withOrderBy(new OrderBy('lastEventTime', Orders.DESC))
      .withOrderBy(new OrderBy('id', Orders.DESC));
    const proc = new V1FilterProcessor();
    expect(proc.getParameters(filter)).toMatchObject({
      order: 'DESC',
      orderBy: ['lastEventTime', 'id'],
    });
  });
  it('alarm filter: orderBy=lastEventTime&order=DESC&orderBy=id&order=ASC', () => {
    const filter = new Filter();
    filter
      .withOrderBy(new OrderBy('lastEventTime', Orders.DESC))
      .withOrderBy(new OrderBy('id', Orders.ASC));
    const proc = new V1FilterProcessor();
    expect(() => { proc.getParameters(filter); }).toThrow();
  });
});