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

describe("other issues > entity change in subscribers should affect persistence", () => {
    let connections: DataSource[]
    before(
        async () =>
            (connections = await createTestingConnections({
                entities: [__dirname + "/entity/*{.js,.ts}"],
                subscribers: [__dirname + "/subscriber/*{.js,.ts}"],
            })),
    )
    beforeEach(() => reloadTestingDatabases(connections))
    after(() => closeTestingConnections(connections))

    it("if entity was changed, subscriber should be take updated columns", () =>
        Promise.all(
            connections.map(async function (connection) {
                const category1 = new PostCategory()
                category1.name = "category #1"

                const post = new Post()
                post.title = "hello world"
                post.category = category1
                await connection.manager.save(post)

                // check if it was inserted correctly
                const loadedPost = await connection.manager.findOneBy(Post, {
                    id: post.id,
                })
                expect(loadedPost).not.to.be.null
                loadedPost!.active.should.be.equal(false)

                // now update some property and let update subscriber trigger
                const category2 = new PostCategory()
                category2.name = "category #2"
                loadedPost!.category = category2
                loadedPost!.active = true
                loadedPost!.title += "!"
                await connection.manager.save(loadedPost!)

                // check if subscriber was triggered and entity was really taken changed columns in the subscriber
                const loadedUpdatedPost = await connection.manager.findOneBy(
                    Post,
                    {
                        id: post.id,
                    },
                )

                expect(loadedUpdatedPost).not.to.be.null
                expect(loadedUpdatedPost!.updatedColumns).to.equals(2)
                expect(loadedUpdatedPost!.updatedRelations).to.equals(1)

                await connection.manager.save(loadedPost!)
            }),
        ))
})
