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 allocation create tools", () => {
  beforeEach(() => {
    vi.clearAllMocks();
  });

  it("returns a stable assistant error for duplicate allocations", async () => {
    const ctx = createToolContext(
      {
        resource: {
          findUnique: vi
            .fn()
            .mockResolvedValueOnce({
              id: "resource_1",
              eid: "EMP-001",
              displayName: "Carol Danvers",
            })
            .mockResolvedValueOnce({
              id: "resource_1",
              eid: "EMP-001",
              displayName: "Carol Danvers",
              lcrCents: 7000,
              availability: { monday: 8, tuesday: 8, wednesday: 8, thursday: 8, friday: 8 },
            }),
          findFirst: vi.fn().mockResolvedValue(null),
        },
        project: {
          findUnique: vi
            .fn()
            .mockResolvedValueOnce(null)
            .mockResolvedValueOnce({
              id: "project_1",
              name: "Project One",
              shortCode: "PROJ-1",
              status: "ACTIVE",
              responsiblePerson: "Peter Parker",
            }),
          findFirst: vi.fn().mockResolvedValue(null),
        },
        assignment: {
          findMany: vi.fn().mockResolvedValue([
            {
              id: "assignment_existing",
              resourceId: "resource_1",
              projectId: "project_1",
              startDate: new Date("2026-06-01T00:00:00.000Z"),
              endDate: new Date("2026-06-05T00:00:00.000Z"),
              status: "PROPOSED",
              resource: { id: "resource_1", displayName: "Carol Danvers", eid: "EMP-001" },
              project: { id: "project_1", name: "Project One", shortCode: "PROJ-1" },
            },
          ]),
        },
      },
      {
        userRole: SystemRole.ADMIN,
        permissions: [PermissionKey.MANAGE_ALLOCATIONS],
      },
    );

    const result = await executeTool(
      "create_allocation",
      JSON.stringify({
        resourceId: "resource_1",
        projectId: "project_1",
        startDate: "2026-06-01",
        endDate: "2026-06-05",
        hoursPerDay: 6,
      }),
      ctx,
    );

    expect(JSON.parse(result.content)).toEqual({
      error: "Allocation already exists for this resource/project/dates. No new allocation created.",
    });
  });

  it("returns a stable assistant error when allocation creation receives an invalid start date", async () => {
    const ctx = createToolContext(
      {
        resource: {
          findUnique: vi
            .fn()
            .mockResolvedValueOnce(null)
            .mockResolvedValueOnce({
              id: "resource_1",
              displayName: "Carol Danvers",
              eid: "EMP-001",
              chapter: "Delivery",
              isActive: true,
              fte: 1,
              lcrCents: 7000,
              availability: { monday: 8, tuesday: 8, wednesday: 8, thursday: 8, friday: 8 },
            }),
          findFirst: vi.fn().mockResolvedValue(null),
        },
        project: {
          findUnique: vi
            .fn()
            .mockResolvedValueOnce(null)
            .mockResolvedValueOnce({
              id: "project_1",
              name: "Project One",
              shortCode: "PROJ-1",
              status: "ACTIVE",
              responsiblePerson: "Peter Parker",
            }),
          findFirst: vi.fn().mockResolvedValue(null),
        },
      },
      {
        userRole: SystemRole.ADMIN,
        permissions: [PermissionKey.MANAGE_ALLOCATIONS],
      },
    );

    const result = await executeTool(
      "create_allocation",
      JSON.stringify({
        resourceId: "resource_1",
        projectId: "project_1",
        startDate: "2026-13-01",
        endDate: "2026-06-05",
        hoursPerDay: 6,
      }),
      ctx,
    );

    expect(JSON.parse(result.content)).toEqual({
      error: "Invalid startDate: 2026-13-01",
    });
  });
});
