import {
    AddOptionGroupToProduct,
    CreateProduct,
    GenerateProductVariants,
    GetAssetList,
    GetProductList,
    GetProductWithVariants,
    LanguageCode,
    ProductWithVariants,
    RemoveOptionGroupFromProduct,
    SortOrder,
    UpdateProduct,
    UpdateProductVariants,
} from '../../shared/generated-types';
import { omit } from '../../shared/omit';

import {
    ADD_OPTION_GROUP_TO_PRODUCT,
    CREATE_PRODUCT,
    GENERATE_PRODUCT_VARIANTS,
    GET_ASSET_LIST,
    GET_PRODUCT_LIST,
    GET_PRODUCT_WITH_VARIANTS,
    REMOVE_OPTION_GROUP_FROM_PRODUCT,
    UPDATE_PRODUCT,
    UPDATE_PRODUCT_VARIANTS,
} from '../../admin-ui/src/app/data/definitions/product-definitions';

import { TEST_SETUP_TIMEOUT_MS } from './config/test-config';
import { TestClient } from './test-client';
import { TestServer } from './test-server';

// tslint:disable:no-non-null-assertion

describe('Product resolver', () => {
    const client = new TestClient();
    const server = new TestServer();

    beforeAll(async () => {
        const token = await server.init({
            productCount: 20,
            customerCount: 1,
        });
        await client.init();
    }, TEST_SETUP_TIMEOUT_MS);

    afterAll(async () => {
        await server.destroy();
    });

    describe('products list query', () => {
        it('returns all products when no options passed', async () => {
            const result = await client.query<GetProductList.Query, GetProductList.Variables>(
                GET_PRODUCT_LIST,
                {
                    languageCode: LanguageCode.en,
                },
            );

            expect(result.products.items.length).toBe(20);
            expect(result.products.totalItems).toBe(20);
        });

        it('limits result set with skip & take', async () => {
            const result = await client.query<GetProductList.Query, GetProductList.Variables>(
                GET_PRODUCT_LIST,
                {
                    languageCode: LanguageCode.en,
                    options: {
                        skip: 0,
                        take: 3,
                    },
                },
            );

            expect(result.products.items.length).toBe(3);
            expect(result.products.totalItems).toBe(20);
        });

        it('filters by name', async () => {
            const result = await client.query<GetProductList.Query, GetProductList.Variables>(
                GET_PRODUCT_LIST,
                {
                    languageCode: LanguageCode.en,
                    options: {
                        filter: {
                            name: {
                                contains: 'fish',
                            },
                        },
                    },
                },
            );

            expect(result.products.items.length).toBe(1);
            expect(result.products.items[0].name).toBe('en Practical Frozen Fish');
        });

        it('sorts by name', async () => {
            const result = await client.query<GetProductList.Query, GetProductList.Variables>(
                GET_PRODUCT_LIST,
                {
                    languageCode: LanguageCode.en,
                    options: {
                        sort: {
                            name: SortOrder.ASC,
                        },
                    },
                },
            );

            expect(result.products.items.map(p => p.name)).toMatchSnapshot();
        });
    });

    describe('product query', () => {
        it('returns expected properties', async () => {
            const result = await client.query<GetProductWithVariants.Query, GetProductWithVariants.Variables>(
                GET_PRODUCT_WITH_VARIANTS,
                {
                    languageCode: LanguageCode.en,
                    id: 'T_2',
                },
            );

            if (!result.product) {
                fail('Product not found');
                return;
            }
            expect(omit(result.product, ['variants'])).toMatchSnapshot();
            expect(result.product.variants.length).toBe(2);
        });

        it('ProductVariant price properties are correct', async () => {
            const result = await client.query<GetProductWithVariants.Query, GetProductWithVariants.Variables>(
                GET_PRODUCT_WITH_VARIANTS,
                {
                    languageCode: LanguageCode.en,
                    id: 'T_2',
                },
            );

            if (!result.product) {
                fail('Product not found');
                return;
            }
            expect(result.product.variants[0].price).toBe(745);
            expect(result.product.variants[0].taxCategory).toEqual({
                id: 'T_1',
                name: 'Standard Tax',
            });
        });

        it('returns null when id not found', async () => {
            const result = await client.query<GetProductWithVariants.Query, GetProductWithVariants.Variables>(
                GET_PRODUCT_WITH_VARIANTS,
                {
                    languageCode: LanguageCode.en,
                    id: 'bad_id',
                },
            );

            expect(result.product).toBeNull();
        });
    });

    describe('product mutation', () => {
        let newProduct: ProductWithVariants.Fragment;

        it('createProduct creates a new Product', async () => {
            const result = await client.query<CreateProduct.Mutation, CreateProduct.Variables>(
                CREATE_PRODUCT,
                {
                    input: {
                        translations: [
                            {
                                languageCode: LanguageCode.en,
                                name: 'en Baked Potato',
                                slug: 'en-baked-potato',
                                description: 'A baked potato',
                            },
                            {
                                languageCode: LanguageCode.de,
                                name: 'de Baked Potato',
                                slug: 'de-baked-potato',
                                description: 'Eine baked Erdapfel',
                            },
                        ],
                    },
                },
            );
            newProduct = result.createProduct;
            expect(newProduct).toMatchSnapshot();
        });

        it('createProduct creates a new Product with assets', async () => {
            const assetsResult = await client.query<GetAssetList.Query, GetAssetList.Variables>(
                GET_ASSET_LIST,
            );
            const assetIds = assetsResult.assets.items.slice(0, 2).map(a => a.id);
            const featuredAssetId = assetsResult.assets.items[0].id;

            const result = await client.query<CreateProduct.Mutation, CreateProduct.Variables>(
                CREATE_PRODUCT,
                {
                    input: {
                        assetIds,
                        featuredAssetId,
                        translations: [
                            {
                                languageCode: LanguageCode.en,
                                name: 'en Has Assets',
                                slug: 'en-has-assets',
                                description: 'A product with assets',
                            },
                        ],
                    },
                },
            );
            expect(result.createProduct.assets.map(a => a.id)).toEqual(assetIds);
            expect(result.createProduct.featuredAsset!.id).toBe(featuredAssetId);
        });

        it('updateProduct updates a Product', async () => {
            const result = await client.query<UpdateProduct.Mutation, UpdateProduct.Variables>(
                UPDATE_PRODUCT,
                {
                    input: {
                        id: newProduct.id,
                        translations: [
                            {
                                languageCode: LanguageCode.en,
                                name: 'en Mashed Potato',
                                slug: 'en-mashed-potato',
                                description: 'A blob of mashed potato',
                            },
                            {
                                languageCode: LanguageCode.de,
                                name: 'de Mashed Potato',
                                slug: 'de-mashed-potato',
                                description: 'Eine blob von gemashed Erdapfel',
                            },
                        ],
                    },
                },
            );
            expect(result.updateProduct).toMatchSnapshot();
        });

        it('updateProduct accepts partial input', async () => {
            const result = await client.query<UpdateProduct.Mutation, UpdateProduct.Variables>(
                UPDATE_PRODUCT,
                {
                    input: {
                        id: newProduct.id,
                        translations: [
                            {
                                languageCode: LanguageCode.en,
                                name: 'en Very Mashed Potato',
                            },
                        ],
                    },
                },
            );
            expect(result.updateProduct.translations.length).toBe(2);
            expect(result.updateProduct.translations[0].name).toBe('en Very Mashed Potato');
            expect(result.updateProduct.translations[0].description).toBe('A blob of mashed potato');
            expect(result.updateProduct.translations[1].name).toBe('de Mashed Potato');
        });

        it('updateProduct adds Assets to a product and sets featured asset', async () => {
            const assetsResult = await client.query<GetAssetList.Query, GetAssetList.Variables>(
                GET_ASSET_LIST,
            );
            const assetIds = assetsResult.assets.items.map(a => a.id);
            const featuredAssetId = assetsResult.assets.items[2].id;

            const result = await client.query<UpdateProduct.Mutation, UpdateProduct.Variables>(
                UPDATE_PRODUCT,
                {
                    input: {
                        id: newProduct.id,
                        assetIds,
                        featuredAssetId,
                    },
                },
            );
            expect(result.updateProduct.assets.map(a => a.id)).toEqual(assetIds);
            expect(result.updateProduct.featuredAsset!.id).toBe(featuredAssetId);
        });

        it('updateProduct sets a featured asset', async () => {
            const productResult = await client.query<
                GetProductWithVariants.Query,
                GetProductWithVariants.Variables
            >(GET_PRODUCT_WITH_VARIANTS, {
                id: newProduct.id,
                languageCode: LanguageCode.en,
            });
            const assets = productResult.product!.assets;

            const result = await client.query<UpdateProduct.Mutation, UpdateProduct.Variables>(
                UPDATE_PRODUCT,
                {
                    input: {
                        id: newProduct.id,
                        featuredAssetId: assets[0].id,
                    },
                },
            );
            expect(result.updateProduct.featuredAsset!.id).toBe(assets[0].id);
        });

        it('updateProduct errors with an invalid productId', async () => {
            try {
                await client.query<UpdateProduct.Mutation, UpdateProduct.Variables>(UPDATE_PRODUCT, {
                    input: {
                        id: '999',
                        translations: [
                            {
                                languageCode: LanguageCode.en,
                                name: 'en Mashed Potato',
                                slug: 'en-mashed-potato',
                                description: 'A blob of mashed potato',
                            },
                            {
                                languageCode: LanguageCode.de,
                                name: 'de Mashed Potato',
                                slug: 'de-mashed-potato',
                                description: 'Eine blob von gemashed Erdapfel',
                            },
                        ],
                    },
                });
                fail('Should have thrown');
            } catch (err) {
                expect(err.message).toEqual(
                    expect.stringContaining(`No Product with the id '999' could be found`),
                );
            }
        });

        it('addOptionGroupToProduct adds an option group', async () => {
            const result = await client.query<
                AddOptionGroupToProduct.Mutation,
                AddOptionGroupToProduct.Variables
            >(ADD_OPTION_GROUP_TO_PRODUCT, {
                optionGroupId: 'T_1',
                productId: newProduct.id,
            });
            expect(result.addOptionGroupToProduct.optionGroups.length).toBe(1);
            expect(result.addOptionGroupToProduct.optionGroups[0].id).toBe('T_1');
        });

        it('addOptionGroupToProduct errors with an invalid productId', async () => {
            try {
                await client.query<AddOptionGroupToProduct.Mutation, AddOptionGroupToProduct.Variables>(
                    ADD_OPTION_GROUP_TO_PRODUCT,
                    {
                        optionGroupId: 'T_1',
                        productId: '999',
                    },
                );
                fail('Should have thrown');
            } catch (err) {
                expect(err.message).toEqual(
                    expect.stringContaining(`No Product with the id '999' could be found`),
                );
            }
        });

        it('addOptionGroupToProduct errors with an invalid optionGroupId', async () => {
            try {
                await client.query<AddOptionGroupToProduct.Mutation, AddOptionGroupToProduct.Variables>(
                    ADD_OPTION_GROUP_TO_PRODUCT,
                    {
                        optionGroupId: '999',
                        productId: newProduct.id,
                    },
                );
                fail('Should have thrown');
            } catch (err) {
                expect(err.message).toEqual(
                    expect.stringContaining(`No ProductOptionGroup with the id '999' could be found`),
                );
            }
        });

        it('removeOptionGroupFromProduct removes an option group', async () => {
            const result = await client.query<
                RemoveOptionGroupFromProduct.Mutation,
                RemoveOptionGroupFromProduct.Variables
            >(REMOVE_OPTION_GROUP_FROM_PRODUCT, {
                optionGroupId: '1',
                productId: '1',
            });
            expect(result.removeOptionGroupFromProduct.optionGroups.length).toBe(0);
        });

        it('removeOptionGroupFromProduct errors with an invalid productId', async () => {
            try {
                await client.query<
                    RemoveOptionGroupFromProduct.Mutation,
                    RemoveOptionGroupFromProduct.Variables
                >(REMOVE_OPTION_GROUP_FROM_PRODUCT, {
                    optionGroupId: '1',
                    productId: '999',
                });
                fail('Should have thrown');
            } catch (err) {
                expect(err.message).toEqual(
                    expect.stringContaining(`No Product with the id '999' could be found`),
                );
            }
        });

        describe('variants', () => {
            let variants: ProductWithVariants.Variants[];

            it('generateVariantsForProduct generates variants', async () => {
                const result = await client.query<
                    GenerateProductVariants.Mutation,
                    GenerateProductVariants.Variables
                >(GENERATE_PRODUCT_VARIANTS, {
                    productId: newProduct.id,
                    defaultPrice: 123,
                    defaultSku: 'ABC',
                });
                variants = result.generateVariantsForProduct.variants;
                expect(variants.length).toBe(2);
                expect(variants[0].options.length).toBe(1);
                expect(variants[1].options.length).toBe(1);
            });

            it('generateVariantsForProduct throws with an invalid productId', async () => {
                try {
                    await client.query<GenerateProductVariants.Mutation, GenerateProductVariants.Variables>(
                        GENERATE_PRODUCT_VARIANTS,
                        {
                            productId: '999',
                        },
                    );
                    fail('Should have thrown');
                } catch (err) {
                    expect(err.message).toEqual(
                        expect.stringContaining(`No Product with the id '999' could be found`),
                    );
                }
            });

            it('updateProductVariants updates variants', async () => {
                const firstVariant = variants[0];
                const result = await client.query<
                    UpdateProductVariants.Mutation,
                    UpdateProductVariants.Variables
                >(UPDATE_PRODUCT_VARIANTS, {
                    input: [
                        {
                            id: firstVariant.id,
                            translations: firstVariant.translations,
                            sku: 'ABC',
                            price: 432,
                        },
                    ],
                });
                const updatedVariant = result.updateProductVariants[0];
                if (!updatedVariant) {
                    fail('no updated variant returned.');
                    return;
                }
                expect(updatedVariant.sku).toBe('ABC');
                expect(updatedVariant.price).toBe(432);
            });

            it('updateProductVariants updates taxCategory and priceBeforeTax', async () => {
                const firstVariant = variants[0];
                const result = await client.query<
                    UpdateProductVariants.Mutation,
                    UpdateProductVariants.Variables
                >(UPDATE_PRODUCT_VARIANTS, {
                    input: [
                        {
                            id: firstVariant.id,
                            price: 105,
                            taxCategoryId: 'T_2',
                        },
                    ],
                });
                const updatedVariant = result.updateProductVariants[0];
                if (!updatedVariant) {
                    fail('no updated variant returned.');
                    return;
                }
                expect(updatedVariant.price).toBe(105);
                expect(updatedVariant.taxCategory.id).toBe('T_2');
            });

            it('updateProductVariants updates facetValues', async () => {
                const firstVariant = variants[0];
                const result = await client.query<
                    UpdateProductVariants.Mutation,
                    UpdateProductVariants.Variables
                >(UPDATE_PRODUCT_VARIANTS, {
                    input: [
                        {
                            id: firstVariant.id,
                            facetValueIds: ['T_1'],
                        },
                    ],
                });
                const updatedVariant = result.updateProductVariants[0];
                if (!updatedVariant) {
                    fail('no updated variant returned.');
                    return;
                }
                expect(updatedVariant.facetValues.length).toBe(1);
                expect(updatedVariant.facetValues[0].id).toBe('T_1');
            });

            it('updateProductVariants throws with an invalid variant id', async () => {
                try {
                    await client.query<UpdateProductVariants.Mutation, UpdateProductVariants.Variables>(
                        UPDATE_PRODUCT_VARIANTS,
                        {
                            input: [
                                {
                                    id: 'T_999',
                                    translations: variants[0].translations,
                                    sku: 'ABC',
                                    price: 432,
                                },
                            ],
                        },
                    );
                    fail('Should have thrown');
                } catch (err) {
                    expect(err.message).toEqual(
                        expect.stringContaining(`No ProductVariant with the id '999' could be found`),
                    );
                }
            });
        });
    });
});