import test from 'ava';
import { Factory } from '../../../database/factory';
import * as testUtils from '../../../test/utils';
import { RecipeCollection } from '../collection-model';
import { Recipe } from '../../recipe';
import { User } from '../../../app/user';
import { createContext } from '../../../test/utils/create-mock-context';
import { defineUserAbility } from '../../../server/authorization/user-authorization';
import { AuthenticationError } from 'apollo-server-micro';
import { removeRecipesFromCollection } from '../schema/remove-recipes';

test.before(testUtils.setupDB);
test.afterEach.always(testUtils.cleanupDB);
test.after.always(testUtils.tearDownDB);

//
// Tests
//

test.serial('Should remove Recipes from a Recipe Collection', async t => {
  const user = await Factory.create<User>('user');
  const context = createContext({
    state: { user, abilities: defineUserAbility(user) },
  });
  const collection = await Factory.create<RecipeCollection>(
    'collection',
    {},
    { user, recipeCount: 2 }
  );

  const updatedCollection = await removeRecipesFromCollection(
    null,
    {
      input: {
        recipeCollectionId: collection.id,
        recipes: [collection.nodes[0].recipe.toHexString()],
      },
    },
    context,
    null
  );

  const dbCollection = await RecipeCollection.findById(collection.id);

  t.is(updatedCollection.recipeCollection.nodes.length, 1);
  t.is(updatedCollection.removedRecipes.length, 1);
  t.is(dbCollection.nodes.length, 1);
});

test.serial(
  'Should return RecipeCollection with Populated Recipes',
  async t => {
    const user = await Factory.create<User>('user');
    const context = createContext({
      state: { user, abilities: defineUserAbility(user) },
    });
    const collection = await Factory.create<RecipeCollection>(
      'collection',
      {},
      { user, recipeCount: 2 }
    );

    const updatedCollection = await removeRecipesFromCollection(
      null,
      {
        input: {
          recipeCollectionId: collection.id,
          recipes: [collection.nodes[0].recipe.toHexString()],
        },
      },
      context,
      null
    );

    t.true(
      updatedCollection.recipeCollection.nodes[0].recipe instanceof Recipe
    );
  }
);

test.serial('Should reject Recipes that are not in the collection', async t => {
  const user = await Factory.create<User>('user');
  const context = createContext({
    state: { user, abilities: defineUserAbility(user) },
  });
  const collection = await Factory.create<RecipeCollection>(
    'collection',
    {},
    { user, recipeCount: 2 }
  );

  const recipe = await Factory.create<Recipe>('recipe', { ownerId: user.id });

  const response = await removeRecipesFromCollection(
    null,
    {
      input: {
        recipeCollectionId: collection.id,
        recipes: [recipe.id],
      },
    },
    context,
    null
  );

  t.is(response.rejectedRecipes[0], recipe.id);
});

test.serial(
  'Should return an error when the user is not logged in',
  async t => {
    const context = createContext({
      state: { user: null, abilities: defineUserAbility(null) },
    });

    await t.throwsAsync(async () => {
      return removeRecipesFromCollection(
        null,
        {
          input: {
            recipeCollectionId: '',
            recipes: [],
          },
        },
        context,
        null
      );
    }, AuthenticationError);
  }
);