import assert from "node:assert/strict";
import { describe, it } from "node:test";
import { CircuitWriteService } from "../src/domain/services/circuit-write.service.js";

describe("circuit write service rules", () => {
  it("renumber uses safe bulk identifier update for swapped identifiers", async () => {
    let safeUpdatePayload: Array<{ id: string; equipmentIdentifier: string }> = [];
    const service = new CircuitWriteService({
      circuitSectionRepository: {
        async findById() {
          return { id: "s1", circuitListId: "l1", prefix: "-2F" } as never;
        },
      } as never,
      circuitRepository: {
        async listBySection() {
          return [
            { id: "cB", sectionId: "s1", equipmentIdentifier: "-2F2", sortOrder: 10, isReserve: 0 },
            { id: "cA", sectionId: "s1", equipmentIdentifier: "-2F1", sortOrder: 20, isReserve: 1 },
          ] as never[];
        },
        async listByCircuitList() {
          return [{ id: "x1", sectionId: "s2", equipmentIdentifier: "-3F1" }] as never[];
        },
      } as never,
      circuitSectionTransactionStore: {
        updateEquipmentIdentifiers(
          _listId: string,
          updates: Array<{ id: string; equipmentIdentifier: string }>
        ) {
          safeUpdatePayload = updates;
        },
      } as never,
    });

    const result = await service.renumberSection("s1");
    assert.deepEqual(safeUpdatePayload, [
      { id: "cB", equipmentIdentifier: "-2F1" },
      { id: "cA", equipmentIdentifier: "-2F2" },
    ]);
    assert.equal(result.length, 2);
  });

  it("renumber shifts forward/backward and respects other sections", async () => {
    let safeUpdatePayload: Array<{ id: string; equipmentIdentifier: string }> = [];
    const service = new CircuitWriteService({
      circuitSectionRepository: {
        async findById() {
          return { id: "s1", circuitListId: "l1", prefix: "-1F" } as never;
        },
      } as never,
      circuitRepository: {
        async listBySection() {
          return [
            { id: "c2", sectionId: "s1", equipmentIdentifier: "-1F5", sortOrder: 10, isReserve: 0 },
            { id: "c1", sectionId: "s1", equipmentIdentifier: "-1F1", sortOrder: 20, isReserve: 0 },
            { id: "c3", sectionId: "s1", equipmentIdentifier: "-1F9", sortOrder: 30, isReserve: 0 },
          ] as never[];
        },
        async listByCircuitList() {
          return [{ id: "o1", sectionId: "s2", equipmentIdentifier: "-1F2" }] as never[];
        },
      } as never,
      circuitSectionTransactionStore: {
        updateEquipmentIdentifiers(
          _listId: string,
          updates: Array<{ id: string; equipmentIdentifier: string }>
        ) {
          safeUpdatePayload = updates;
        },
      } as never,
    });

    await service.renumberSection("s1");
    assert.deepEqual(safeUpdatePayload, [
      { id: "c2", equipmentIdentifier: "-1F1" },
      { id: "c1", equipmentIdentifier: "-1F3" },
      { id: "c3", equipmentIdentifier: "-1F4" },
    ]);
  });

  it("renumber handles gaps without touching device rows", async () => {
    let safeCalled = 0;
    const service = new CircuitWriteService({
      circuitSectionRepository: {
        async findById() {
          return { id: "s1", circuitListId: "l1", prefix: "-1F" } as never;
        },
      } as never,
      circuitRepository: {
        async listBySection() {
          return [
            { id: "c1", sectionId: "s1", equipmentIdentifier: "-1F1", sortOrder: 10, isReserve: 0 },
            { id: "c2", sectionId: "s1", equipmentIdentifier: "-1F5", sortOrder: 20, isReserve: 0 },
            { id: "c3", sectionId: "s1", equipmentIdentifier: "-1F9", sortOrder: 30, isReserve: 0 },
          ] as never[];
        },
        async listByCircuitList() {
          return [] as never[];
        },
      } as never,
      circuitSectionTransactionStore: {
        updateEquipmentIdentifiers() {
          safeCalled += 1;
        },
      } as never,
    });

    await service.renumberSection("s1");
    assert.equal(safeCalled, 1);
  });

  it("reorders circuits inside one section without renumbering identifiers", async () => {
    let safeReorder: { sectionId: string; circuitIds: string[] } | undefined;
    const service = new CircuitWriteService({
      circuitSectionRepository: {
        async findById() {
          return { id: "s1", circuitListId: "l1" } as never;
        },
      } as never,
      circuitRepository: {
        async listBySection() {
          return [
            { id: "c1", sectionId: "s1", equipmentIdentifier: "-2F7", sortOrder: 10, isReserve: 0 },
            { id: "c2", sectionId: "s1", equipmentIdentifier: "-2F9", sortOrder: 20, isReserve: 0 },
            { id: "c3", sectionId: "s1", equipmentIdentifier: "-2F5", sortOrder: 30, isReserve: 1 },
          ] as never[];
        },
      } as never,
      circuitSectionTransactionStore: {
        updateSortOrders(sectionId: string, circuitIds: string[]) {
          safeReorder = { sectionId, circuitIds };
        },
      } as never,
    });

    await service.reorderCircuitsInSection("s1", {
      orderedCircuitIds: ["c3", "c1", "c2"],
    });
    assert.deepEqual(safeReorder, {
      sectionId: "s1",
      circuitIds: ["c3", "c1", "c2"],
    });
  });

  it("validates the complete section set before safe identifier updates", async () => {
    let safeCalled = false;
    const service = new CircuitWriteService({
      circuitSectionRepository: {
        async findById() {
          return { id: "s1", circuitListId: "l1", prefix: "-1F" } as never;
        },
      } as never,
      circuitRepository: {
        async listBySection() {
          return [
            { id: "c1", sectionId: "s1", equipmentIdentifier: "-1F1", sortOrder: 10, isReserve: 0 },
            { id: "c2", sectionId: "s1", equipmentIdentifier: "-1F2", sortOrder: 20, isReserve: 0 },
          ] as never[];
        },
      } as never,
      circuitSectionTransactionStore: {
        updateEquipmentIdentifiers() {
          safeCalled = true;
        },
      } as never,
    });

    await service.updateSectionEquipmentIdentifiers("s1", {
      identifiers: [
        { circuitId: "c1", equipmentIdentifier: "-1F2" },
        { circuitId: "c2", equipmentIdentifier: "-1F1" },
      ],
    });
    assert.equal(safeCalled, true);
  });
});