import "reflect-metadata"
import { expect } from "chai"
import { DataSource } from "../../../src"
import {
    closeTestingConnections,
    createTestingConnections,
} from "../../utils/test-utils"

describe("github issues > #4658 Renaming a column with current_timestamp(6) results in broken SQL", () => {
    let connections: DataSource[]
    before(async () => {
        connections = await createTestingConnections({
            entities: [__dirname + "/entity/*{.js,.ts}"],
            enabledDrivers: ["mysql", "mariadb"],
            schemaCreate: true,
            dropSchema: true,
        })
    })
    after(() => closeTestingConnections(connections))

    it("should correctly rename column and revert rename", () =>
        Promise.all(
            connections.map(async (connection) => {
                const queryRunner = connection.createQueryRunner()

                let table = await queryRunner.getTable("user")

                await queryRunner.renameColumn(
                    table!,
                    "created_at",
                    "createdAt",
                )
                await queryRunner.renameColumn(
                    table!,
                    "updated_at",
                    "updatedAt",
                )

                table = await queryRunner.getTable("user")
                expect(table!.findColumnByName("created_at")).to.be.undefined
                expect(table!.findColumnByName("updated_at")).to.be.undefined
                table!.findColumnByName("createdAt")!.should.be.exist
                table!.findColumnByName("updatedAt")!.should.be.exist

                await queryRunner.executeMemoryDownSql()

                table = await queryRunner.getTable("user")
                table!.findColumnByName("created_at")!.should.be.exist
                table!.findColumnByName("updated_at")!.should.be.exist
                expect(table!.findColumnByName("createdAt")).to.be.undefined
                expect(table!.findColumnByName("updatedAt")).to.be.undefined

                await queryRunner.release()
            }),
        ))

    it("should correctly remove column and revert it back", () =>
        Promise.all(
            connections.map(async (connection) => {
                const queryRunner = connection.createQueryRunner()

                let table = await queryRunner.getTable("user")

                await queryRunner.dropColumn(table!, "created_at")
                await queryRunner.dropColumn(table!, "updated_at")

                table = await queryRunner.getTable("user")
                expect(table!.findColumnByName("created_at")).to.be.undefined
                expect(table!.findColumnByName("updated_at")).to.be.undefined

                await queryRunner.executeMemoryDownSql()

                table = await queryRunner.getTable("user")
                table!.findColumnByName("created_at")!.should.be.exist
                table!.findColumnByName("updated_at")!.should.be.exist

                await queryRunner.release()
            }),
        ))
})