import { MigrationInterface, QueryRunner } from 'typeorm';

export class F69ConsolidatedDocumentRevisions1790135400000 implements MigrationInterface {
  name = 'F69ConsolidatedDocumentRevisions1790135400000';

  public async up(queryRunner: QueryRunner): Promise<void> {
    await queryRunner.query(`
      CREATE TABLE inspection_act_consolidated_pdf_revisions (
        act_id uuid NOT NULL REFERENCES inspection_acts(id) ON DELETE CASCADE,
        template_version smallint NOT NULL CHECK (template_version >= 1),
        stored_name varchar(255) NOT NULL,
        original_name varchar(255) NOT NULL,
        size_bytes integer NOT NULL CHECK (size_bytes > 0),
        sha256 char(64) NOT NULL CHECK (sha256 ~ '^[0-9a-f]{64}$'),
        generated_at timestamptz NOT NULL DEFAULT CURRENT_TIMESTAMP,
        PRIMARY KEY (act_id,template_version)
      )
    `);
    await queryRunner.query(`
      INSERT INTO inspection_act_consolidated_pdf_revisions(
        act_id,template_version,stored_name,original_name,size_bytes,sha256,generated_at)
      SELECT act_id,1,stored_name,original_name,size_bytes,sha256,generated_at
      FROM inspection_act_consolidated_pdf_artifacts
    `);
    await queryRunner.query(`
      CREATE TABLE inspection_report_consolidated_word_revisions (
        report_id uuid NOT NULL REFERENCES inspection_reports(id) ON DELETE CASCADE,
        template_version smallint NOT NULL CHECK (template_version >= 1),
        stored_name varchar(255) NOT NULL,
        original_name varchar(255) NOT NULL,
        size_bytes integer NOT NULL CHECK (size_bytes > 0),
        sha256 char(64) NOT NULL CHECK (sha256 ~ '^[0-9a-f]{64}$'),
        generated_at timestamptz NOT NULL DEFAULT CURRENT_TIMESTAMP,
        PRIMARY KEY (report_id,template_version)
      )
    `);
    await queryRunner.query(`
      INSERT INTO inspection_report_consolidated_word_revisions(
        report_id,template_version,stored_name,original_name,size_bytes,sha256,generated_at)
      SELECT report_id,1,stored_name,original_name,size_bytes,sha256,generated_at
      FROM inspection_report_consolidated_word_artifacts
    `);
  }

  public async down(queryRunner: QueryRunner): Promise<void> {
    await queryRunner.query('DROP TABLE inspection_report_consolidated_word_revisions');
    await queryRunner.query('DROP TABLE inspection_act_consolidated_pdf_revisions');
  }
}