import { db } from "../src/db/client.js";
import { CircuitRepository } from "../src/db/repositories/circuit.repository.js";
import { CircuitListRepository } from "../src/db/repositories/circuit-list.repository.js";
import { CircuitSectionRepository } from "../src/db/repositories/circuit-section.repository.js";
import { LegacyConsumerMigrationRepository } from "../src/db/repositories/legacy-consumer-migration.repository.js";
import { ProjectRepository } from "../src/db/repositories/project.repository.js";
import { RoomRepository } from "../src/db/repositories/room.repository.js";
import { LegacyConsumerMigrationService } from "../src/domain/services/legacy-consumer-migration.service.js";

const projectRepository = new ProjectRepository();
const circuitListRepository = new CircuitListRepository();
const migrationRepository = new LegacyConsumerMigrationRepository(db);
const migrationService = new LegacyConsumerMigrationService({
  circuitListReader: circuitListRepository,
  sectionStore: new CircuitSectionRepository(),
  circuitReader: new CircuitRepository(),
  roomReader: new RoomRepository(),
  migrationStore: migrationRepository,
});

async function run() {
  const projects = await projectRepository.list();
  const reports = [];

  for (const project of projects) {
    const lists = await circuitListRepository.listByProject(project.id);
    for (const list of lists) {
      const report = await migrationService.migrateCircuitList(project.id, list.id);
      reports.push({
        projectId: project.id,
        circuitListId: list.id,
        legacyConsumerCount: report.legacyConsumerCount,
        createdCircuitCount: report.createdCircuitCount,
        createdDeviceRowCount: report.createdDeviceRowCount,
        generatedIdentifiers: report.generatedIdentifiers.length,
        unassignedRows: report.unassignedRows.length,
      });
    }
  }

  const unmigratedConsumers =
    await migrationRepository.listUnmigratedConsumers();
  if (unmigratedConsumers.length > 0) {
    const withoutCircuitList = unmigratedConsumers.filter(
      (consumer) => !consumer.circuitListId
    ).length;
    throw new Error(
      `Cutover verification failed: ${unmigratedConsumers.length} legacy consumer(s) remain unmigrated` +
        ` (${withoutCircuitList} without a circuit list).`
    );
  }

  console.log("Legacy consumer migration summary:");
  console.table(reports);
  console.log("Cutover verification passed: all legacy consumers are mapped.");
}

run().catch((error) => {
  console.error("Legacy consumer migration failed:", error);
  process.exit(1);
});