import { MigrationInterface, QueryRunner } from 'typeorm';

export class PhaseD538LocalInventoryStructure1787853600000 implements MigrationInterface {
  name = 'PhaseD538LocalInventoryStructure1787853600000';

  public async up(queryRunner: QueryRunner): Promise<void> {
    await queryRunner.query(`
      ALTER TABLE asset_import_plan_items DROP CONSTRAINT chk_asset_import_plan_item_kind
    `);
    await queryRunner.query(`
      ALTER TABLE asset_import_plan_items ADD CONSTRAINT chk_asset_import_plan_item_kind CHECK (
        entity_kind IN (
          'DEPARTMENT','ORGANIZATION','AREA','AREA_DEPARTMENT_RELATION','FIELD','OPERATOR_RELATION',
          'LEGAL_RIGHT','LEGAL_RIGHT_ORGANIZATION','INSTALLATION','LOCAL_STRUCTURE','TECHNICAL_ASSET'
        )
      )
    `);

    await queryRunner.query(`
      INSERT INTO asset_types (code,name,description,can_be_root,is_active,operational_role)
      SELECT
        'estructura_local',
        'Estructura local (fuente)',
        'Nodo estructural provisional que conserva la nomenclatura propia de cada operadora o Área/Yacimiento. No implica una clasificación física normalizada por DH hasta su revisión.',
        false,true,'GENERIC'
      WHERE NOT EXISTS (SELECT 1 FROM asset_types WHERE lower(code)='estructura_local')
    `);

    await queryRunner.query(`
      INSERT INTO asset_attribute_definitions (asset_type_id,code,name,data_type,is_required,is_active,sort_order)
      SELECT type.id,definition.code,definition.name,'TEXT',false,true,definition.sort_order
      FROM asset_types type
      CROSS JOIN (VALUES
        ('nivel_fuente','Nivel informado por la fuente',10),
        ('clasificacion_fuente','Clasificación local informada',20),
        ('ruta_fuente','Ruta / nomenclatura de origen',30)
      ) AS definition(code,name,sort_order)
      WHERE lower(type.code)='estructura_local'
        AND NOT EXISTS (
          SELECT 1 FROM asset_attribute_definitions existing
          WHERE existing.asset_type_id=type.id AND lower(existing.code)=lower(definition.code)
        )
    `);

    await queryRunner.query(`
      INSERT INTO asset_type_parent_rules (child_type_id,parent_type_id)
      SELECT local.id,parent.id
      FROM asset_types local
      JOIN asset_types parent ON lower(parent.code) IN ('area','yacimiento','locacion')
      WHERE lower(local.code)='estructura_local'
      ON CONFLICT DO NOTHING
    `);

    await queryRunner.query(`
      INSERT INTO asset_type_parent_rules (child_type_id,parent_type_id)
      SELECT child.id,local.id
      FROM asset_types child
      CROSS JOIN asset_types local
      WHERE lower(local.code)='estructura_local'
        AND child.operational_role='GENERIC'
        AND lower(child.code) NOT IN ('yacimiento','locacion','estructura_local','pozo','ducto','colector')
      ON CONFLICT DO NOTHING
    `);
  }

  public async down(queryRunner: QueryRunner): Promise<void> {
    await queryRunner.query(`ALTER TABLE asset_import_plan_items DROP CONSTRAINT chk_asset_import_plan_item_kind`);
    await queryRunner.query(`
      ALTER TABLE asset_import_plan_items ADD CONSTRAINT chk_asset_import_plan_item_kind CHECK (
        entity_kind IN (
          'DEPARTMENT','ORGANIZATION','AREA','AREA_DEPARTMENT_RELATION','FIELD','OPERATOR_RELATION',
          'LEGAL_RIGHT','LEGAL_RIGHT_ORGANIZATION','INSTALLATION','TECHNICAL_ASSET'
        )
      )
    `);
    await queryRunner.query(`
      DELETE FROM asset_type_parent_rules rule
      USING asset_types local
      WHERE lower(local.code)='estructura_local'
        AND (rule.child_type_id=local.id OR rule.parent_type_id=local.id)
    `);
    await queryRunner.query(`
      DELETE FROM asset_attribute_definitions definition
      USING asset_types local
      WHERE definition.asset_type_id=local.id AND lower(local.code)='estructura_local'
    `);
    await queryRunner.query(`DELETE FROM asset_types WHERE lower(code)='estructura_local'`);
  }
}