import { MigrationInterface, QueryRunner, Table, TableForeignKey } from 'typeorm';

export class CreateAuditLogs1637909008629 implements MigrationInterface {
  public async up(queryRunner: QueryRunner): Promise<void> {
    await queryRunner.createTable(
      new Table({
        name: 'audit_logs',
        columns: [
          {
            name: 'id',
            type: 'uuid',
            isGenerated: true,
            default: 'gen_random_uuid()',
            isPrimary: true,
          },
          {
            name: 'user_id',
            type: 'uuid',
            isNullable: true,
          },
          {
            name: 'organization_id',
            type: 'uuid',
            isNullable: true,
          },
          {
            name: 'action_type',
            type: 'varchar',
            isNullable: false,
          },
          {
            name: 'resource_id',
            type: 'uuid',
            isNullable: true,
          },
          {
            name: 'resource_type',
            type: 'varchar',
            isNullable: true,
          },
          {
            name: 'resource_name',
            type: 'varchar',
            isNullable: true,
          },
          {
            name: 'ip_address',
            type: 'varchar',
            isNullable: true,
          },
          {
            name: 'metadata',
            type: 'json',
            isNullable: true,
          },
          {
            name: 'created_at',
            type: 'timestamp',
            isNullable: false,
            default: 'now()',
          },
        ],
      }),
      true
    );

    await queryRunner.createForeignKey(
      'audit_logs',
      new TableForeignKey({
        columnNames: ['user_id'],
        referencedColumnNames: ['id'],
        referencedTableName: 'users',
      })
    );

    await queryRunner.createForeignKey(
      'audit_logs',
      new TableForeignKey({
        columnNames: ['organization_id'],
        referencedColumnNames: ['id'],
        referencedTableName: 'organizations',
      })
    );

    await queryRunner.query(
      'CREATE INDEX audit_logs_organization_id_created_at_brin_idx ON audit_logs ' +
        'USING BRIN(organization_id, created_at) WITH(pages_per_range = 32);'
    );
  }

  public async down(queryRunner: QueryRunner): Promise<void> {
    await queryRunner.dropTable('audit_logs');
  }
}