import { MigrationInterface, QueryRunner, TableColumn } from "typeorm";
import { membership } from "../entity/membership";
import { member } from "../entity/member";

export class InternalId1735822722235 implements MigrationInterface {
  name = "InternalId1735822722235";

  public async up(queryRunner: QueryRunner): Promise<void> {
    await queryRunner.addColumn(
      "member",
      new TableColumn({
        name: "internalId",
        type: "varchar",
        length: "255",
        default: null,
        isNullable: true,
        isUnique: true,
      })
    );

    let memberships = await queryRunner.manager.getRepository(membership).find();
    console.log(memberships);
    let internalIds = memberships.reduce<{ [key: number]: Array<string> }>((acc, cur) => {
      let memberId = cur.memberId;
      let setIds = acc[memberId] ?? [];
      if (cur?.internalId) {
        setIds.push(cur.internalId);
      }
      acc[memberId] = setIds;
      return acc;
    }, {});

    console.log(internalIds);
    for (const [id, value] of Object.entries(internalIds)) {
      const ids = value.filter((v) => v != null).join(", ");
      if (ids) {
        let m = await queryRunner.manager.getRepository(member).findOneByOrFail({ id: parseInt(id) });
        m.internalId = ids;
        await queryRunner.manager.getRepository(member).save(m);
      }
    }
  }

  public async down(queryRunner: QueryRunner): Promise<void> {
    await queryRunner.dropColumn("member", "internalId");
  }
}