import { beforeEach, describe, expect, it, vi } from "vitest";
import { PermissionKey, SystemRole } from "@capakraken/shared";

vi.mock("@capakraken/application", async (importOriginal) => {
  const actual = await importOriginal<typeof import("@capakraken/application")>();
  return {
    ...actual,
    approveEstimateVersion: vi.fn(),
    cloneEstimate: vi.fn(),
    createEstimateExport: vi.fn(),
    createEstimatePlanningHandoff: vi.fn(),
    createEstimateRevision: vi.fn(),
    getDashboardBudgetForecast: vi.fn().mockResolvedValue([]),
    getDashboardPeakTimes: vi.fn().mockResolvedValue([]),
    getEstimateById: vi.fn(),
    listAssignmentBookings: vi.fn().mockResolvedValue([]),
    submitEstimateVersion: vi.fn(),
    updateEstimateDraft: vi.fn(),
  };
});

import { getEstimateById } from "@capakraken/application";

import { executeTool } from "../router/assistant-tools.js";
import {
  createToolContext,
  resetEstimateToolMocks,
} from "./assistant-tools-estimate-test-helpers.js";

const managerOptions = {
  userRole: SystemRole.MANAGER,
  permissions: [PermissionKey.MANAGE_PROJECTS],
} as const;

describe("assistant estimate weekly phasing generation errors", () => {
  beforeEach(() => {
    resetEstimateToolMocks();
  });

  it("returns a stable error when generate_estimate_weekly_phasing cannot find the estimate", async () => {
    vi.mocked(getEstimateById).mockResolvedValueOnce(null as never);

    const ctx = createToolContext({}, managerOptions);
    const result = await executeTool(
      "generate_estimate_weekly_phasing",
      JSON.stringify({
        estimateId: "est_missing",
        startDate: "2026-04-01",
        endDate: "2026-04-30",
      }),
      ctx,
    );

    expect(JSON.parse(result.content)).toEqual({
      error: "Estimate not found with the given criteria.",
    });
  });

  it("returns a stable error when generate_estimate_weekly_phasing has no working version", async () => {
    vi.mocked(getEstimateById).mockResolvedValueOnce({
      id: "est_1",
      name: "Estimate One",
      versions: [],
    } as Awaited<ReturnType<typeof getEstimateById>>);

    const ctx = createToolContext({}, managerOptions);
    const result = await executeTool(
      "generate_estimate_weekly_phasing",
      JSON.stringify({
        estimateId: "est_1",
        startDate: "2026-04-01",
        endDate: "2026-04-30",
      }),
      ctx,
    );

    expect(JSON.parse(result.content)).toEqual({
      error: "Estimate has no working version.",
    });
  });

  it("returns a stable error when generate_estimate_weekly_phasing loses a demand line with model metadata", async () => {
    vi.mocked(getEstimateById).mockResolvedValueOnce({
      id: "est_2",
      name: "Estimate Two",
      versions: [
        {
          id: "ver_1",
          status: "WORKING",
          demandLines: [
            {
              id: "line_missing",
              hours: 40,
              metadata: {},
            },
          ],
        },
      ],
    } as Awaited<ReturnType<typeof getEstimateById>>);

    const ctx = createToolContext(
      {
        estimateDemandLine: {
          update: vi.fn().mockRejectedValue({
            code: "P2025",
            message: "Record not found",
            meta: { modelName: "EstimateDemandLine" },
          }),
        },
      },
      managerOptions,
    );

    const result = await executeTool(
      "generate_estimate_weekly_phasing",
      JSON.stringify({
        estimateId: "est_2",
        startDate: "2026-04-01",
        endDate: "2026-04-30",
      }),
      ctx,
    );

    expect(JSON.parse(result.content)).toEqual({
      error: "Estimate demand line not found with the given criteria.",
    });
  });

  it("returns a stable error when generate_estimate_weekly_phasing loses a demand line with generic P2025 metadata", async () => {
    vi.mocked(getEstimateById).mockResolvedValueOnce({
      id: "est_3",
      name: "Estimate Three",
      versions: [
        {
          id: "ver_2",
          status: "WORKING",
          demandLines: [
            {
              id: "line_missing_generic",
              hours: 40,
              metadata: {},
            },
          ],
        },
      ],
    } as Awaited<ReturnType<typeof getEstimateById>>);

    const ctx = createToolContext(
      {
        estimateDemandLine: {
          update: vi.fn().mockRejectedValue({
            code: "P2025",
            message: "Record to update not found",
          }),
        },
      },
      managerOptions,
    );

    const result = await executeTool(
      "generate_estimate_weekly_phasing",
      JSON.stringify({
        estimateId: "est_3",
        startDate: "2026-04-01",
        endDate: "2026-04-30",
      }),
      ctx,
    );

    expect(JSON.parse(result.content)).toEqual({
      error: "Estimate demand line not found with the given criteria.",
    });
  });
});