import assert from "node:assert/strict";
import { describe, it } from "node:test";
import { createExternalInitialImportPlan } from "../src/external-model/application/external-initial-import-plan.js";
import { buildExternalInitialImportTarget } from "../src/external-model/application/external-initial-import-target.js";
import { parseExternalCsv } from "../src/external-model/csv/external-csv-transport.js";
import {
  externalCsvTestConfiguration,
  firstIfcGuid,
  quotedRevitCsv,
  utf8Bytes,
} from "./fixtures/revit-csv-fixtures.js";

describe("external initial import plan", () => {
  it("groups source rooms and exposes exact room and classification suggestions", () => {
    const configuration = structuredClone(externalCsvTestConfiguration);
    configuration.familyTypeRules.push({
      exactFamilyAndType: "Steckdose: Doppelsteckdose",
      internalDeviceType: "Steckdose",
      connectionKind: "socket",
      category: "single_phase",
      quantityRule: { kind: "mapped-column" },
      displayNameSuggestion: { kind: "selection-marker" },
    });

    const plan = createExternalInitialImportPlan({
      fileName: "revit.csv",
      bytes: utf8Bytes(quotedRevitCsv, true),
      configurationVersion: 4,
      configuration,
      floors: [{ id: "floor-1", name: "EG", sortOrder: 10 }],
      rooms: [{
        id: "room-1",
        floorId: "floor-1",
        roomNumber: "01/101",
        roomName: "Technik Bestand",
      }],
      distributionBoards: [{ id: "board-1", name: "UV 1", floorId: "floor-1" }],
      projectDevices: [{
        id: "device-1",
        name: "socket",
        displayName: "Steckdose",
        category: "single_phase",
        connectionKind: "socket",
        powerPerUnit: 0.12,
      }],
    });

    assert.equal(plan.configurationVersion, 4);
    assert.equal(plan.objectCount, 2);
    assert.equal(plan.sourceRooms.length, 2);
    assert.deepEqual(
      plan.sourceRooms.map((room) => ({
        number: room.roomNumber,
        status: room.matchStatus,
        suggested: room.suggestedRoomId,
      })),
      [
        { number: "01/101", status: "exact-number", suggested: "room-1" },
        { number: "01/103", status: "new", suggested: null },
      ]
    );
    assert.equal(plan.familyGroups.length, 2);
    assert.equal(plan.issueCounts.unknownFamilyAndType, 1);
    assert.equal(plan.issueCounts.invalidPower, 0);
    assert.equal(plan.issueCounts.invalidQuantity, 0);
    assert.equal(plan.objects[0].ifcGuid, firstIfcGuid);
    assert.equal(plan.objects[0].suggestedPlanningValues.effectiveQuantity, 2);
    assert.equal(plan.existing.distributionBoards[0].id, "board-1");
    assert.equal(plan.existing.projectDevices[0].id, "device-1");
  });

  it("builds a stable row-free target only after every family is classified", () => {
    const configuration = structuredClone(externalCsvTestConfiguration);
    for (const exactFamilyAndType of [
      "Steckdose: Doppelsteckdose",
      "Steckdose: Standard",
    ]) {
      configuration.familyTypeRules.push({
        exactFamilyAndType,
        internalDeviceType: "Steckdose",
        connectionKind: "socket",
        category: "single_phase",
        quantityRule: exactFamilyAndType.includes("Doppel")
          ? { kind: "mapped-column" }
          : { kind: "fixed", quantity: 1 },
        displayNameSuggestion: { kind: "selection-marker" },
      });
    }
    const bytes = utf8Bytes(quotedRevitCsv, true);
    const plan = createExternalInitialImportPlan({
      fileName: "revit.csv",
      bytes,
      configurationVersion: 2,
      configuration,
      floors: [],
      rooms: [],
      distributionBoards: [],
      projectDevices: [],
    });
    let id = 0;
    const target = buildExternalInitialImportTarget({
      projectId: "project-1",
      expectedRevision: 7,
      sourceName: "Revit-Gesamtmodell",
      importedAtIso: "2026-08-02T17:00:00.000Z",
      configurationVersion: 2,
      configuration,
      originalContentBase64: Buffer.from(bytes).toString("base64"),
      document: parseExternalCsv(bytes, configuration),
      plan,
      roomDecisions: plan.sourceRooms.map((room) => ({
        sourceRoomKey: room.sourceRoomKey,
        roomId: null,
        defaultDistributionBoardId: null,
      })),
      familyProjectDeviceDecisions: plan.familyGroups.map((group) => ({
        familyAndType: group.familyAndType,
        projectDeviceId: null,
      })),
      createId: () => `generated-${++id}`,
    });

    assert.equal(target.importBatches[0].appliedProjectRevision, 8);
    assert.equal(target.importBatches[0].configurationVersion, 2);
    assert.equal(target.objects.length, 2);
    assert.ok(target.objects.every((object) => object.circuitDeviceRowId === null));
    assert.ok(target.objects.every((object) => object.overriddenFields.length === 0));
    assert.throws(
      () => buildExternalInitialImportTarget({
        projectId: "project-1",
        expectedRevision: 7,
        sourceName: "Revit-Gesamtmodell",
        importedAtIso: "2026-08-02T17:00:00.000Z",
        configurationVersion: 2,
        configuration,
        originalContentBase64: Buffer.from(bytes).toString("base64"),
        document: parseExternalCsv(bytes, configuration),
        plan,
        roomDecisions: [],
        familyProjectDeviceDecisions: plan.familyGroups.map((group) => ({
          familyAndType: group.familyAndType,
          projectDeviceId: null,
        })),
        createId: () => "unused",
      }),
      /Quellraum-Entscheidungen/
    );
  });
});