import "reflect-metadata"
import {
    createTestingConnections,
    closeTestingConnections,
    reloadTestingDatabases,
} from "../../utils/test-utils"
import { DataSource } from "../../../src/data-source/DataSource"

import { Photo } from "./entity/Photo"
import { User } from "./entity/User"
import { Profile } from "./entity/Profile"
import { Category } from "./entity/Category"
import { Question } from "./entity/Question"

describe("github issues > #4190 Relation decorators: allow to pass string instead of typeFunction", () => {
    let connections: DataSource[]
    before(
        async () =>
            (connections = await createTestingConnections({
                entities: [__dirname + "/entity/*{.js,.ts}"],
                schemaCreate: true,
                dropSchema: true,
            })),
    )
    beforeEach(() => reloadTestingDatabases(connections))
    after(() => closeTestingConnections(connections))

    it("should work with one-to-one relations", () =>
        Promise.all(
            connections.map(async (connection) => {
                const profile = new Profile()
                profile.gender = "male"
                profile.photo = "me.jpg"
                await connection.manager.save(profile)

                const user = new User()
                user.name = "Joe Smith"
                user.profile = profile
                await connection.manager.save(user)

                const users = await connection.manager.find(User, {
                    relations: { profile: true },
                })

                users.should.eql([
                    {
                        id: 1,
                        name: "Joe Smith",
                        profile: {
                            id: 1,
                            gender: "male",
                            photo: "me.jpg",
                        },
                    },
                ])
            }),
        ))

    it("should work with many-to-one/one-to-many relations", () =>
        Promise.all(
            connections.map(async (connection) => {
                const photo1 = new Photo()
                photo1.url = "me.jpg"
                await connection.manager.save(photo1)

                const photo2 = new Photo()
                photo2.url = "me-and-bears.jpg"
                await connection.manager.save(photo2)

                const user = new User()
                user.name = "John"
                user.photos = [photo1, photo2]
                await connection.manager.save(user)

                const users = await connection.manager.find(User, {
                    relations: { photos: true },
                })
                const photos = await connection.manager.find(Photo, {
                    relations: { user: true },
                })

                // Check one-to-many
                users[0].photos.should.have.deep.members([
                    {
                        id: 1,
                        url: "me.jpg",
                    },
                    {
                        id: 2,
                        url: "me-and-bears.jpg",
                    },
                ])

                // Check many-to-one
                photos.should.have.deep.members([
                    {
                        id: 1,
                        url: "me.jpg",
                        user: {
                            id: 1,
                            name: "John",
                        },
                    },
                    {
                        id: 2,
                        url: "me-and-bears.jpg",
                        user: {
                            id: 1,
                            name: "John",
                        },
                    },
                ])
            }),
        ))

    it("should work with many-to-many relations", () =>
        Promise.all(
            connections.map(async (connection) => {
                const category1 = new Category()
                category1.name = "animals"
                await connection.manager.save(category1)

                const category2 = new Category()
                category2.name = "zoo"
                await connection.manager.save(category2)

                const question = new Question()
                question.name = "About animals"
                question.categories = [category1, category2]
                await connection.manager.save(question)

                const questions = await connection.manager.find(Question, {
                    relations: { categories: true },
                })

                questions[0].categories.should.have.deep.members([
                    {
                        id: 1,
                        name: "animals",
                    },
                    {
                        id: 2,
                        name: "zoo",
                    },
                ])
            }),
        ))
})