import assert from "node:assert/strict";
import { describe, it } from "node:test";
import {
  assertDistributionBoardSubtreeSnapshot,
  cloneDistributionBoardSubtree,
  type DistributionBoardSubtreeSnapshot,
} from "../src/domain/models/distribution-board-subtree-snapshot.model.js";
import {
  createDistributionBoardDeleteSubtreeProjectCommand,
  createDistributionBoardInsertSubtreeProjectCommand,
} from "../src/domain/models/distribution-board-subtree-project-command.model.js";

function createSnapshot(): DistributionBoardSubtreeSnapshot {
  return {
    distributionBoard: {
      id: "board-1",
      projectId: "project-1",
      name: "UV 1",
      floorId: "floor-1",
      supplyType: "AV",
      simultaneityFactor: 0.8,
    },
    circuitList: {
      id: "list-1",
      projectId: "project-1",
      distributionBoardId: "board-1",
      name: "UV 1 Stromkreisliste",
    },
    sections: [
      {
        id: "section-1",
        circuitListId: "list-1",
        key: "lighting",
        displayName: "Beleuchtung 1",
        prefix: "-1F1.",
        sortOrder: 10,
        category: "lighting",
        groupNumber: 1,
      },
    ],
    components: [
      {
        component: {
          id: "main-1",
          circuitListId: "list-1",
          sectionId: null,
          equipmentIdentifier: "-Q0",
          name: "Hauptschalter",
          role: "main_switch",
          placement: "header",
          sortOrder: 10,
        },
        protectionDevice: null,
      },
      {
        component: {
          id: "rcd-1",
          circuitListId: "list-1",
          sectionId: "section-1",
          equipmentIdentifier: "-1Q1.0",
          name: "Gruppen-FI",
          role: "group_residual_current_protection",
          placement: "group",
          sortOrder: 20,
        },
        protectionDevice: {
          componentId: "rcd-1",
          type: "FI",
          ratedCurrentA: 40,
          fuseUtilizationCategory: null,
          tripCharacteristic: null,
          rcdType: "A",
          ratedResidualCurrentMa: 30,
        },
      },
    ],
    circuits: [
      {
        id: "circuit-1",
        circuitListId: "list-1",
        sectionId: "section-1",
        equipmentIdentifier: "-1F1.1",
        displayName: "Licht",
        sortOrder: 10,
        cableType: "NYM-J",
        cableCrossSection: "3x1,5 mm²",
        cableLength: 10,
        rcdAssignment: null,
        terminalDesignation: null,
        voltage: 230,
        controlRequirement: null,
        status: null,
        isReserve: false,
        remark: null,
        deviceRows: [
          {
            id: "row-1",
            circuitId: "circuit-1",
            linkedProjectDeviceId: "device-1",
            sortOrder: 10,
            name: "Leuchte",
            displayName: "Leuchte",
            phaseType: "single_phase",
            connectionKind: null,
            costGroup: null,
            category: null,
            level: null,
            roomId: "room-1",
            roomNumberSnapshot: "1.01",
            roomNameSnapshot: "Büro",
            quantity: 1,
            powerPerUnit: 0.1,
            simultaneityFactor: 1,
            cosPhi: 0.9,
            remark: null,
            overriddenFields: null,
          },
        ],
        protectionDevice: {
          circuitId: "circuit-1",
          type: "LS",
          ratedCurrentA: 10,
          fuseUtilizationCategory: null,
          tripCharacteristic: "B",
          rcdType: null,
          ratedResidualCurrentMa: null,
        },
      },
    ],
  };
}

describe("distribution-board subtree snapshot", () => {
  it("validates complete populated board structures and commands", () => {
    const snapshot = createSnapshot();
    assert.doesNotThrow(() =>
      assertDistributionBoardSubtreeSnapshot(snapshot)
    );
    assert.equal(
      createDistributionBoardInsertSubtreeProjectCommand(snapshot).type,
      "distribution-board.insert-subtree"
    );
    assert.equal(
      createDistributionBoardDeleteSubtreeProjectCommand(snapshot).type,
      "distribution-board.delete-subtree"
    );
  });

  it("clones every owned id while preserving project links and values", () => {
    const ids = Array.from({ length: 6 }, (_, index) => `new-${index + 1}`);
    const clone = cloneDistributionBoardSubtree(
      createSnapshot(),
      "UV 1 Kopie",
      () => ids.shift()!
    );

    assert.equal(clone.distributionBoard.id, "new-1");
    assert.equal(clone.circuitList.id, "new-1");
    assert.equal(clone.distributionBoard.name, "UV 1 Kopie");
    assert.equal(clone.circuitList.name, "UV 1 Kopie Stromkreisliste");
    assert.equal(clone.sections[0].id, "new-2");
    assert.equal(clone.circuits[0].id, "new-3");
    assert.equal(clone.components[0].component.id, "new-4");
    assert.equal(clone.components[1].component.id, "new-5");
    assert.equal(clone.components[1].component.sectionId, "new-2");
    assert.equal(clone.components[1].protectionDevice?.componentId, "new-5");
    assert.equal(clone.circuits[0].sectionId, "new-2");
    assert.equal(clone.circuits[0].deviceRows[0].id, "new-6");
    assert.equal(clone.circuits[0].deviceRows[0].circuitId, "new-3");
    assert.equal(
      clone.circuits[0].deviceRows[0].linkedProjectDeviceId,
      "device-1"
    );
    assert.equal(clone.circuits[0].deviceRows[0].roomId, "room-1");
    assert.equal(clone.circuits[0].protectionDevice?.circuitId, "new-3");
    assert.doesNotThrow(() => assertDistributionBoardSubtreeSnapshot(clone));
  });

  it("rejects broken ownership and duplicate equipment identifiers", () => {
    const brokenOwnership = createSnapshot();
    brokenOwnership.circuits[0].sectionId = "missing";
    assert.throws(
      () => assertDistributionBoardSubtreeSnapshot(brokenOwnership),
      /ownership/
    );

    const duplicateIdentifier = createSnapshot();
    duplicateIdentifier.components[0].component.equipmentIdentifier =
      " -1f1.1 ";
    assert.throws(
      () => assertDistributionBoardSubtreeSnapshot(duplicateIdentifier),
      /duplicate equipment identifier/
    );
  });
});