import "reflect-metadata"
import { expect } from "chai"
import {
    closeTestingConnections,
    createTestingConnections,
    reloadTestingDatabases,
} from "../../../../utils/test-utils"
import { DataSource } from "../../../../../src/data-source/DataSource"
import { Post } from "./entity/Post"
import { Category } from "./entity/Category"
import { Image } from "./entity/Image"

describe("decorators > relation-id-decorator > many-to-many", () => {
    let connections: DataSource[]
    before(
        async () =>
            (connections = await createTestingConnections({
                entities: [__dirname + "/entity/*{.js,.ts}"],
            })),
    )
    beforeEach(() => reloadTestingDatabases(connections))
    after(() => closeTestingConnections(connections))

    it("should load ids when RelationId decorator used on owner side", () =>
        Promise.all(
            connections.map(async (connection) => {
                const category1 = new Category()
                category1.id = 1
                category1.name = "kids"
                await connection.manager.save(category1)

                const category2 = new Category()
                category2.id = 2
                category2.name = "future"
                await connection.manager.save(category2)

                const category3 = new Category()
                category3.id = 3
                category3.name = "cars"
                await connection.manager.save(category3)

                const post = new Post()
                post.id = 1
                post.title = "about kids"
                post.categories = [category1, category2]
                await connection.manager.save(post)

                const post2 = new Post()
                post2.id = 2
                post2.title = "about BMW"
                post2.categories = [category3]
                await connection.manager.save(post2)

                const loadedPosts = await connection.manager
                    .createQueryBuilder(Post, "post")
                    .orderBy("post.id")
                    .getMany()

                expect(loadedPosts![0].categoryIds).to.not.be.eql([])
                expect(loadedPosts![0].categoryIds[0]).to.be.equal(1)
                expect(loadedPosts![0].categoryIds[1]).to.be.equal(2)
                expect(loadedPosts![1].categoryIds).to.not.be.eql([])
                expect(loadedPosts![1].categoryIds[0]).to.be.equal(3)

                const loadedPost = await connection.manager
                    .createQueryBuilder(Post, "post")
                    .where("post.id = :id", { id: 1 })
                    .getOne()

                expect(loadedPost!.categoryIds).to.not.be.eql([])
                expect(loadedPost!.categoryIds[0]).to.be.equal(1)
                expect(loadedPost!.categoryIds[1]).to.be.equal(2)
            }),
        ))

    it("should load ids when RelationId decorator used on owner side with additional condition", () =>
        Promise.all(
            connections.map(async (connection) => {
                const category1 = new Category()
                category1.id = 1
                category1.name = "kids"
                await connection.manager.save(category1)

                const category2 = new Category()
                category2.id = 2
                category2.name = "future"
                category2.isRemoved = true
                await connection.manager.save(category2)

                const category3 = new Category()
                category3.id = 3
                category3.name = "cars"
                category3.isRemoved = true
                await connection.manager.save(category3)

                const post = new Post()
                post.id = 1
                post.title = "about kids"
                post.categories = [category1, category2]
                await connection.manager.save(post)

                const post2 = new Post()
                post2.id = 2
                post2.title = "about BMW"
                post2.categories = [category3]
                await connection.manager.save(post2)

                const loadedPosts = await connection.manager
                    .createQueryBuilder(Post, "post")
                    .orderBy("post.id")
                    .getMany()

                expect(loadedPosts![0].removedCategoryIds).to.not.be.eql([])
                expect(loadedPosts![0].removedCategoryIds.length).to.be.equal(1)
                expect(loadedPosts![0].removedCategoryIds[0]).to.be.equal(2)
                expect(loadedPosts![1].removedCategoryIds).to.not.be.eql([])
                expect(loadedPosts![1].removedCategoryIds[0]).to.be.equal(3)

                const loadedPost = await connection.manager
                    .createQueryBuilder(Post, "post")
                    .where("post.id = :id", { id: 1 })
                    .getOne()

                expect(loadedPost!.removedCategoryIds).to.not.be.eql([])
                expect(loadedPost!.removedCategoryIds.length).to.be.equal(1)
                expect(loadedPost!.removedCategoryIds[0]).to.be.equal(2)
            }),
        ))

    it("should load ids when RelationId decorator used on owner side without inverse side", () =>
        Promise.all(
            connections.map(async (connection) => {
                const category1 = new Category()
                category1.id = 1
                category1.name = "kids"
                await connection.manager.save(category1)

                const category2 = new Category()
                category2.id = 2
                category2.name = "future"
                await connection.manager.save(category2)

                const post = new Post()
                post.id = 1
                post.title = "about kids"
                post.subcategories = [category1, category2]
                await connection.manager.save(post)

                const loadedPost = await connection.manager
                    .createQueryBuilder(Post, "post")
                    .where("post.id = :id", { id: 1 })
                    .getOne()

                expect(loadedPost!.subcategoryIds).to.not.be.eql([])
                expect(loadedPost!.subcategoryIds[0]).to.be.equal(1)
                expect(loadedPost!.subcategoryIds[1]).to.be.equal(2)
            }),
        ))

    it("should load ids when RelationId decorator used on owner side without inverse side and with additional condition", () =>
        Promise.all(
            connections.map(async (connection) => {
                const category1 = new Category()
                category1.id = 1
                category1.name = "kids"
                await connection.manager.save(category1)

                const category2 = new Category()
                category2.id = 2
                category2.name = "future"
                category2.isRemoved = true
                await connection.manager.save(category2)

                const post = new Post()
                post.id = 1
                post.title = "about kids"
                post.subcategories = [category1, category2]
                await connection.manager.save(post)

                const loadedPost = await connection.manager
                    .createQueryBuilder(Post, "post")
                    .where("post.id = :id", { id: 1 })
                    .getOne()

                expect(loadedPost!.removedSubcategoryIds).to.not.be.eql([])
                expect(loadedPost!.removedSubcategoryIds.length).to.be.equal(1)
                expect(loadedPost!.removedSubcategoryIds[0]).to.be.equal(2)
            }),
        ))

    it("should load ids when RelationId decorator used on inverse side", () =>
        Promise.all(
            connections.map(async (connection) => {
                const category = new Category()
                category.id = 1
                category.name = "cars"
                await connection.manager.save(category)

                const post1 = new Post()
                post1.id = 1
                post1.title = "about BMW"
                post1.categories = [category]
                await connection.manager.save(post1)

                const post2 = new Post()
                post2.id = 2
                post2.title = "about Audi"
                post2.categories = [category]
                await connection.manager.save(post2)

                const loadedCategory = await connection.manager
                    .createQueryBuilder(Category, "category")
                    .where("category.id = :id", { id: 1 })
                    .getOne()

                expect(loadedCategory!.postIds).to.not.be.eql([])
                expect(loadedCategory!.postIds[0]).to.be.equal(1)
                expect(loadedCategory!.postIds[1]).to.be.equal(2)
            }),
        ))

    it("should load ids when RelationId decorator used on inverse side with additional condition", () =>
        Promise.all(
            connections.map(async (connection) => {
                const category = new Category()
                category.id = 1
                category.name = "cars"
                await connection.manager.save(category)

                const post1 = new Post()
                post1.id = 1
                post1.title = "about BMW"
                post1.categories = [category]
                await connection.manager.save(post1)

                const post2 = new Post()
                post2.id = 2
                post2.title = "about Audi"
                post2.isRemoved = true
                post2.categories = [category]
                await connection.manager.save(post2)

                const loadedCategory = await connection.manager
                    .createQueryBuilder(Category, "category")
                    .where("category.id = :id", { id: 1 })
                    .getOne()

                expect(loadedCategory!.removedPostIds).to.not.be.eql([])
                expect(loadedCategory!.removedPostIds.length).to.be.equal(1)
                expect(loadedCategory!.removedPostIds[0]).to.be.equal(2)
            }),
        ))

    it("should load ids when RelationId decorator used on nested relation", () =>
        Promise.all(
            connections.map(async (connection) => {
                const image1 = new Image()
                image1.id = 1
                image1.name = "photo1"
                await connection.manager.save(image1)

                const image2 = new Image()
                image2.id = 2
                image2.name = "photo2"
                await connection.manager.save(image2)

                const image3 = new Image()
                image3.id = 3
                image3.name = "photo2"
                await connection.manager.save(image3)

                const category1 = new Category()
                category1.id = 1
                category1.name = "cars"
                category1.images = [image1, image2]
                await connection.manager.save(category1)

                const category2 = new Category()
                category2.id = 2
                category2.name = "BMW"
                await connection.manager.save(category2)

                const category3 = new Category()
                category3.id = 3
                category3.name = "Audi"
                category3.images = [image3]
                await connection.manager.save(category3)

                const post = new Post()
                post.id = 1
                post.title = "about BMW"
                post.categories = [category1, category2]
                await connection.manager.save(post)

                const post2 = new Post()
                post2.id = 2
                post2.title = "about Audi"
                post2.categories = [category3]
                await connection.manager.save(post2)

                const loadedPosts = await connection.manager
                    .createQueryBuilder(Post, "post")
                    .leftJoinAndSelect("post.categories", "categories")
                    .addOrderBy("post.id, categories.id")
                    .getMany()

                expect(loadedPosts![0].categories).to.not.be.eql([])
                expect(loadedPosts![0].categoryIds).to.not.be.eql([])
                expect(loadedPosts![0].categoryIds.length).to.be.equal(2)
                expect(loadedPosts![0].categoryIds[0]).to.be.equal(1)
                expect(loadedPosts![0].categoryIds[1]).to.be.equal(2)
                expect(loadedPosts![0].categories[0].imageIds).to.not.be.eql([])
                expect(
                    loadedPosts![0].categories[0].imageIds.length,
                ).to.be.equal(2)
                expect(loadedPosts![0].categories[0].imageIds[0]).to.be.equal(1)
                expect(loadedPosts![0].categories[0].imageIds[1]).to.be.equal(2)
                expect(loadedPosts![1].categories).to.not.be.eql([])
                expect(loadedPosts![1].categoryIds).to.not.be.eql([])
                expect(loadedPosts![1].categoryIds.length).to.be.equal(1)
                expect(loadedPosts![1].categoryIds[0]).to.be.equal(3)
                expect(loadedPosts![1].categories[0].imageIds).to.not.be.eql([])
                expect(
                    loadedPosts![1].categories[0].imageIds.length,
                ).to.be.equal(1)
                expect(loadedPosts![1].categories[0].imageIds[0]).to.be.equal(3)

                const loadedPost = await connection.manager
                    .createQueryBuilder(Post, "post")
                    .leftJoinAndSelect("post.categories", "categories")
                    .addOrderBy("post.id, categories.id")
                    .where("post.id = :id", { id: 1 })
                    .getOne()

                expect(loadedPost!.categories).to.not.be.eql([])
                expect(loadedPost!.categoryIds).to.not.be.eql([])
                expect(loadedPost!.categoryIds.length).to.be.equal(2)
                expect(loadedPost!.categoryIds[0]).to.be.equal(1)
                expect(loadedPost!.categoryIds[1]).to.be.equal(2)
                expect(loadedPost!.categories[0].imageIds).to.not.be.eql([])
                expect(loadedPost!.categories[0].imageIds.length).to.be.equal(2)
                expect(loadedPost!.categories[0].imageIds[0]).to.be.equal(1)
                expect(loadedPost!.categories[0].imageIds[1]).to.be.equal(2)
            }),
        ))

    it("should not load ids of nested relations when RelationId decorator used on inherit relation and parent relation was not found", () =>
        Promise.all(
            connections.map(async (connection) => {
                const image1 = new Image()
                image1.id = 1
                image1.name = "photo1"
                await connection.manager.save(image1)

                const image2 = new Image()
                image2.id = 2
                image2.name = "photo2"
                await connection.manager.save(image2)

                const category1 = new Category()
                category1.id = 1
                category1.name = "cars"
                category1.images = [image1, image2]
                await connection.manager.save(category1)

                const post = new Post()
                post.id = 1
                post.title = "about BMW"
                post.categories = [category1]
                await connection.manager.save(post)

                const loadedPost = await connection.manager
                    .createQueryBuilder(Post, "post")
                    .leftJoinAndSelect(
                        "post.categories",
                        "categories",
                        "categories.id = :categoryCode",
                    )
                    .where("post.id = :id", { id: 1 })
                    .setParameter("categoryCode", 2)
                    .addOrderBy("post.id, categories.id")
                    .getOne()

                expect(loadedPost!.categories).to.be.eql([])
            }),
        ))

    it("should load ids when RelationId decorator used on nested relation with additional conditions", () =>
        Promise.all(
            connections.map(async (connection) => {
                const image1 = new Image()
                image1.id = 1
                image1.name = "photo1"
                await connection.manager.save(image1)

                const image2 = new Image()
                image2.id = 2
                image2.name = "photo2"
                image2.isRemoved = true
                await connection.manager.save(image2)

                const image3 = new Image()
                image3.id = 3
                image3.name = "photo2"
                image3.isRemoved = true
                await connection.manager.save(image3)

                const category1 = new Category()
                category1.id = 1
                category1.name = "cars"
                category1.images = [image1, image2]
                await connection.manager.save(category1)

                const category2 = new Category()
                category2.id = 2
                category2.name = "BMW"
                category2.isRemoved = true
                await connection.manager.save(category2)

                const category3 = new Category()
                category3.id = 3
                category3.name = "BMW"
                category3.isRemoved = true
                category3.images = [image3]
                await connection.manager.save(category3)

                const post = new Post()
                post.id = 1
                post.title = "about BMW"
                post.categories = [category1, category2]
                await connection.manager.save(post)

                const post2 = new Post()
                post2.id = 2
                post2.title = "about BMW"
                post2.categories = [category3]
                await connection.manager.save(post2)

                const loadedPosts = await connection.manager
                    .createQueryBuilder(Post, "post")
                    .leftJoinAndSelect("post.categories", "categories")
                    .addOrderBy("post.id, categories.id")
                    .getMany()

                expect(loadedPosts![0].categories).to.not.be.eql([])
                expect(loadedPosts![0].categoryIds).to.not.be.eql([])
                expect(loadedPosts![0].removedCategoryIds.length).to.be.equal(1)
                expect(loadedPosts![0].removedCategoryIds[0]).to.be.equal(2)
                expect(
                    loadedPosts![0].categories[0].removedImageIds,
                ).to.not.be.eql([])
                expect(
                    loadedPosts![0].categories[0].removedImageIds.length,
                ).to.be.equal(1)
                expect(
                    loadedPosts![0].categories[0].removedImageIds[0],
                ).to.be.equal(2)
                expect(loadedPosts![1].categories).to.not.be.eql([])
                expect(loadedPosts![1].categoryIds).to.not.be.eql([])
                expect(loadedPosts![1].removedCategoryIds.length).to.be.equal(1)
                expect(loadedPosts![1].removedCategoryIds[0]).to.be.equal(3)
                expect(
                    loadedPosts![1].categories[0].removedImageIds,
                ).to.not.be.eql([])
                expect(
                    loadedPosts![1].categories[0].removedImageIds.length,
                ).to.be.equal(1)
                expect(
                    loadedPosts![1].categories[0].removedImageIds[0],
                ).to.be.equal(3)

                const loadedPost = await connection.manager
                    .createQueryBuilder(Post, "post")
                    .leftJoinAndSelect("post.categories", "categories")
                    .addOrderBy("post.id, categories.id")
                    .where("post.id = :id", { id: 1 })
                    .getOne()

                expect(loadedPost!.categories).to.not.be.eql([])
                expect(loadedPost!.categoryIds).to.not.be.eql([])
                expect(loadedPost!.removedCategoryIds.length).to.be.equal(1)
                expect(loadedPost!.removedCategoryIds[0]).to.be.equal(2)
                expect(loadedPost!.categories[0].removedImageIds).to.not.be.eql(
                    [],
                )
                expect(
                    loadedPost!.categories[0].removedImageIds.length,
                ).to.be.equal(1)
                expect(
                    loadedPost!.categories[0].removedImageIds[0],
                ).to.be.equal(2)
            }),
        ))
})
