/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import type { TransferValue } from './host-store';
import { inflateValidateAndFillDefaults } from './inflate-value';
import type { ExpressionMeta } from './models';
import type { ParameterDefinitions } from './parameter';

describe('inflateValidateAndFillDefaults', () => {
  it('should set the default value', () => {
    const parametersValue = {};
    const parameters: ParameterDefinitions = {
      foo: {
        type: 'string',
        default: 'Hello',
      },
    };
    const transferState = {};

    const columns: ExpressionMeta[] = [];

    expect(
      inflateValidateAndFillDefaults(parametersValue, parameters, transferState, columns),
    ).toStrictEqual({
      foo: 'Hello',
    });
  });

  it('should keep the given value', () => {
    const parametersValue = { foo: 'Mlem' };
    const parameters: ParameterDefinitions = {
      foo: {
        type: 'string',
        default: 'Hello',
      },
    };
    const transferState = {};

    const columns: ExpressionMeta[] = [];

    expect(
      inflateValidateAndFillDefaults(parametersValue, parameters, transferState, columns),
    ).toStrictEqual({
      foo: 'Mlem',
    });
  });

  it('should transfer a value', () => {
    const parametersValue = {};
    const parameters: ParameterDefinitions = {
      foo: {
        type: 'string',
        default: 'Hello',
        control: {
          transferGroup: 'some-group',
        },
      },
    };
    const transferState = { 'some-group': ['string', 'Guten Tag'] as TransferValue };

    const columns: ExpressionMeta[] = [];

    expect(
      inflateValidateAndFillDefaults(parametersValue, parameters, transferState, columns),
    ).toStrictEqual({
      foo: 'Guten Tag',
    });
  });

  it('should override a given value with a transfer value', () => {
    const parametersValue = { foo: 'Bonjour' };
    const parameters: ParameterDefinitions = {
      foo: {
        type: 'string',
        default: 'Hello',
        control: {
          transferGroup: 'some-group',
        },
      },
    };
    const transferState = { 'some-group': ['string', 'Guten Tag'] as TransferValue };

    const columns: ExpressionMeta[] = [];

    expect(
      inflateValidateAndFillDefaults(parametersValue, parameters, transferState, columns),
    ).toStrictEqual({
      foo: 'Guten Tag',
    });
  });

  it('should delete a value if undefined returns true', () => {
    const parametersValue = { foo: 'Bonjour' };
    const parameters: ParameterDefinitions = {
      foo: {
        type: 'string',
        default: 'Hello',
        defined: () => false,
        control: {
          transferGroup: 'some-group',
        },
      },
    };
    const transferState = { 'some-group': ['string', 'Guten Tag'] as TransferValue };

    const columns: ExpressionMeta[] = [];

    expect(
      inflateValidateAndFillDefaults(parametersValue, parameters, transferState, columns),
    ).toStrictEqual({});
  });

  // Let's also make sure that the check on `parameter.undefined` runs on the fully inflated
  // record of values
  it('should pass a fully inflated record of values to `undefined` functions', () => {
    const parametersValue = { bar: 'this should be deleted' };
    const parameters: ParameterDefinitions = {
      bar: {
        type: 'string',
        defined: ({ parametersValues }) => parametersValues.foo !== 'Hello',
      },
      foo: {
        type: 'string',
        default: 'Hello', // this will default to Hello
      },
    };
    const transferState = { 'some-group': ['string', 'Guten Tag'] as TransferValue };

    const columns: ExpressionMeta[] = [];

    expect(
      inflateValidateAndFillDefaults(parametersValue, parameters, transferState, columns),
    ).toStrictEqual({ foo: 'Hello' });
  });
});