import {MigrationInterface, QueryRunner} from "typeorm";

export class itemIdAssigning1626475937881 implements MigrationInterface {
    name = 'itemIdAssigning1626475937881'

    public async up(queryRunner: QueryRunner): Promise<void> {
        await queryRunner.query(`ALTER TABLE "item" DROP CONSTRAINT "FK_2e3b654a1f669d356e259e7ca3c"`);
        await queryRunner.query(`ALTER TABLE "item_closure_closure" DROP CONSTRAINT "FK_854ec7dacad2df840aa8d4ee0a9"`);
        await queryRunner.query(`ALTER TABLE "item" ALTER COLUMN "id" DROP DEFAULT`);
        await queryRunner.query(`ALTER TABLE "item" ADD CONSTRAINT "FK_2e3b654a1f669d356e259e7ca3c" FOREIGN KEY ("parentId") REFERENCES "item"("id") ON DELETE NO ACTION ON UPDATE NO ACTION`);
        await queryRunner.query(`ALTER TABLE "item_closure_closure" ADD CONSTRAINT "FK_854ec7dacad2df840aa8d4ee0a9" FOREIGN KEY ("id_ancestor") REFERENCES "item"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
        //await queryRunner.query(`ALTER TABLE "item_closure_closure" ADD CONSTRAINT "FK_58bff82facc806857035e516c9e" FOREIGN KEY ("id_descendant") REFERENCES "item"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
    }

    public async down(queryRunner: QueryRunner): Promise<void> {
        //await queryRunner.query(`ALTER TABLE "item_closure_closure" DROP CONSTRAINT "FK_58bff82facc806857035e516c9e"`);
        await queryRunner.query(`ALTER TABLE "item_closure_closure" DROP CONSTRAINT "FK_854ec7dacad2df840aa8d4ee0a9"`);
        await queryRunner.query(`ALTER TABLE "item" DROP CONSTRAINT "FK_2e3b654a1f669d356e259e7ca3c"`);
        await queryRunner.query(`ALTER TABLE "item" ALTER COLUMN "id" SET DEFAULT nextval('items_serial')`);
        await queryRunner.query(`ALTER TABLE "item_closure_closure" ADD CONSTRAINT "FK_854ec7dacad2df840aa8d4ee0a9" FOREIGN KEY ("id_ancestor") REFERENCES "item"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
        await queryRunner.query(`ALTER TABLE "item" ADD CONSTRAINT "FK_2e3b654a1f669d356e259e7ca3c" FOREIGN KEY ("parentId") REFERENCES "item"("id") ON DELETE NO ACTION ON UPDATE NO ACTION`);
    }

}