import assert from "node:assert/strict";
import { describe, it } from "node:test";
import type {
  LegacyConsumerMigrationDependencies,
  LegacyMigrationCircuitInput,
  LegacyMigrationReportInput,
} from "../src/domain/ports/legacy-consumer-migration.store.js";
import { LegacyConsumerMigrationService } from "../src/domain/services/legacy-consumer-migration.service.js";

describe("legacy consumer migration service", () => {
  it("plans the migration through injected readers and persists one complete batch", async () => {
    let defaultsCreatedFor: string | null = null;
    let persisted:
      | {
          circuitListId: string;
          circuits: LegacyMigrationCircuitInput[];
          report: LegacyMigrationReportInput;
        }
      | undefined;
    const dependencies: LegacyConsumerMigrationDependencies = {
      circuitListReader: {
        async findById(projectId, circuitListId) {
          assert.equal(projectId, "project-1");
          assert.equal(circuitListId, "list-1");
          return { id: circuitListId };
        },
      },
      sectionStore: {
        async createDefaults(circuitListId) {
          defaultsCreatedFor = circuitListId;
        },
        async listByCircuitList() {
          return [
            { id: "section-1", key: "single_phase", prefix: "-2F" },
            { id: "section-2", key: "unassigned", prefix: "-XF" },
          ];
        },
      },
      circuitReader: {
        async listByCircuitList() {
          return [
            {
              sectionId: "section-1",
              equipmentIdentifier: "-2F2",
              sortOrder: 10,
            },
          ];
        },
      },
      roomReader: {
        async listByProject() {
          return [
            { id: "room-1", roomNumber: "1.01", roomName: "Besprechung" },
          ];
        },
      },
      migrationStore: {
        async listSourceConsumersByCircuitList() {
          return [
            {
              id: "consumer-1",
              projectDeviceId: null,
              roomId: "room-1",
              circuitNumber: null,
              description: "Steckdosen Besprechung",
              name: "Steckdose",
              category: null,
              deviceType: null,
              phaseType: null,
              tradeOrCostGroup: "KG 440",
              protectionType: null,
              protectionRatedCurrent: null,
              protectionCharacteristic: null,
              cableType: null,
              cableCrossSection: null,
              comment: null,
              quantity: 2,
              installedPowerPerUnitKw: 0.2,
              demandFactor: 0.8,
              voltageV: 230,
              phaseCount: 1,
              powerFactor: 0.95,
              note: "Bestand",
            },
          ];
        },
        async listMigratedConsumerIds() {
          return [];
        },
        persistCircuitListMigration(input) {
          persisted = input;
        },
      },
    };

    const report = await new LegacyConsumerMigrationService(
      dependencies
    ).migrateCircuitList("project-1", "list-1");

    assert.equal(defaultsCreatedFor, "list-1");
    assert.deepEqual(report.generatedIdentifiers, ["-2F3"]);
    assert.equal(report.createdCircuitCount, 1);
    assert.equal(report.createdDeviceRowCount, 1);
    assert.equal(persisted?.circuitListId, "list-1");
    assert.equal(persisted?.circuits[0].circuit.sectionId, "section-1");
    assert.equal(
      persisted?.circuits[0].circuit.equipmentIdentifier,
      "-2F3"
    );
    assert.deepEqual(persisted?.circuits[0].deviceRows[0], {
      linkedProjectDeviceId: undefined,
      legacyConsumerId: "consumer-1",
      sortOrder: 10,
      name: "Steckdose",
      displayName: "Steckdosen Besprechung",
      phaseType: undefined,
      connectionKind: undefined,
      costGroup: "KG 440",
      category: undefined,
      roomId: "room-1",
      roomNumberSnapshot: "1.01",
      roomNameSnapshot: "Besprechung",
      quantity: 2,
      powerPerUnit: 0.2,
      simultaneityFactor: 0.8,
      cosPhi: 0.95,
      remark: "Bestand",
    });
  });
});