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(),
    commitDispoImportBatch: vi.fn(),
    countPlanningEntries: vi.fn().mockResolvedValue({ countsByRoleId: new Map() }),
    createEstimateExport: vi.fn(),
    createEstimatePlanningHandoff: vi.fn(),
    createEstimateRevision: vi.fn(),
    assessDispoImportReadiness: vi.fn(),
    loadResourceDailyAvailabilityContexts: vi.fn().mockResolvedValue(new Map()),
    getDashboardDemand: vi.fn().mockResolvedValue([]),
    getDashboardBudgetForecast: vi.fn().mockResolvedValue([]),
    getDashboardOverview: vi.fn(),
    getDashboardSkillGapSummary: vi.fn().mockResolvedValue({
      roleGaps: [],
      totalOpenPositions: 0,
      skillSupplyTop10: [],
      resourcesByRole: [],
    }),
    getDashboardProjectHealth: vi.fn().mockResolvedValue([]),
    getDashboardPeakTimes: vi.fn().mockResolvedValue([]),
    getDashboardTopValueResources: vi.fn().mockResolvedValue([]),
    getEstimateById: vi.fn(),
    listAssignmentBookings: vi.fn().mockResolvedValue([]),
    stageDispoImportBatch: vi.fn(),
    submitEstimateVersion: vi.fn(),
    updateEstimateDraft: vi.fn(),
  };
});

import { executeTool } from "../router/assistant-tools.js";

import { createToolContext } from "./assistant-tools-allocation-planning-test-helpers.js";

describe("assistant demand fill error mapping", () => {
  beforeEach(() => {
    vi.clearAllMocks();
  });

  it("returns a stable assistant error when demand filling cannot resolve the demand", async () => {
    const ctx = createToolContext(
      {
        demandRequirement: {
          findUnique: vi.fn().mockResolvedValue(null),
        },
        resource: {
          findUnique: vi.fn()
            .mockResolvedValueOnce(null)
            .mockResolvedValueOnce({
              id: "resource_1",
              displayName: "Carol Danvers",
              eid: "EMP-001",
              chapter: "Delivery",
              isActive: true,
            }),
          findFirst: vi.fn().mockResolvedValue(null),
        },
      },
      {
        userRole: SystemRole.ADMIN,
        permissions: [PermissionKey.MANAGE_ALLOCATIONS],
      },
    );

    const result = await executeTool(
      "fill_demand",
      JSON.stringify({ demandId: "demand_missing", resourceId: "resource_1" }),
      ctx,
    );

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

  it("returns a stable assistant error when demand filling violates lifecycle preconditions", async () => {
    const ctx = createToolContext(
      {
        demandRequirement: {
          findUnique: vi.fn().mockResolvedValue({
            id: "demand_1",
            projectId: "project_1",
            startDate: new Date("2026-05-01T00:00:00.000Z"),
            endDate: new Date("2026-05-15T00:00:00.000Z"),
            hoursPerDay: 6,
            role: "Designer",
            roleId: "role_1",
            headcount: 1,
            status: "COMPLETED",
            metadata: {},
          }),
        },
        resource: {
          findUnique: vi.fn()
            .mockResolvedValueOnce(null)
            .mockResolvedValueOnce({
              id: "resource_1",
              displayName: "Carol Danvers",
              eid: "EMP-001",
              chapter: "Delivery",
              isActive: true,
            }),
          findFirst: vi.fn().mockResolvedValue(null),
        },
      },
      {
        userRole: SystemRole.ADMIN,
        permissions: [PermissionKey.MANAGE_ALLOCATIONS],
      },
    );

    const result = await executeTool(
      "fill_demand",
      JSON.stringify({ demandId: "demand_1", resourceId: "resource_1" }),
      ctx,
    );

    expect(JSON.parse(result.content)).toEqual({
      error: "Demand cannot be filled in its current status.",
    });
  });
});