const Fastify = require("fastify");

const exportsRoutes = require("../../../src/routes/exports");

const ACTOR_ID = "aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa";
const PROJECT_ID = "11111111-1111-4111-8111-111111111111";
const OWNER_ID = "22222222-2222-4222-8222-222222222222";
const DEPARTMENT_ID = "bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbbbb";

function buildFeatureFlagRecord(flagKey) {
  return {
    id: `flag-${flagKey}`,
    flag_key: flagKey,
    override_mode: "force_on",
    rollout_type: "global",
    department_ids: [],
    note: "unit-test",
    version: 1,
    created_at: new Date("2026-04-04T08:00:00.000Z"),
    created_by: null,
    updated_at: new Date("2026-04-04T08:00:00.000Z"),
    updated_by: null,
  };
}

function buildContractRow(overrides = {}) {
  return {
    id: "contract-1",
    contract_no: "HT-2026-001",
    project_id: PROJECT_ID,
    contract_type: "service",
    counterparty_name: "测试客户",
    summary: "合同摘要",
    amount: "88000.00",
    currency: "CNY",
    signed_date: new Date("2026-03-01T00:00:00.000Z"),
    effective_date: new Date("2026-03-05T00:00:00.000Z"),
    expiry_date: new Date("2026-03-31T00:00:00.000Z"),
    confidentiality_level: "internal",
    archive_location: "/archive/contracts/001",
    offline_archive_no: "OFF-001",
    owner_employee_id: OWNER_ID,
    status: "active",
    created_at: new Date("2026-03-01T08:00:00.000Z"),
    updated_at: new Date("2026-04-01T08:00:00.000Z"),
    owner: {
      name: "Owner",
    },
    project: {
      project_no: "PRJ-001",
      name: "试点项目",
    },
    ...overrides,
  };
}

async function buildApp(options = {}) {
  const app = Fastify();
  const actor = options.actor ?? {
    id: ACTOR_ID,
    department_id: DEPARTMENT_ID,
    permissionCodes: ["project.manage"],
  };
  const count = options.count ?? vi.fn().mockResolvedValue(1);
  const findMany =
    options.findMany ??
    vi.fn().mockImplementation(async ({ where }) => {
      if (where?.OR) {
        return [];
      }
      return [buildContractRow()];
    });
  const auditCreate = options.auditCreate ?? vi.fn().mockResolvedValue({});

  app.decorate("authenticate", async (request) => {
    request.employee = actor;
  });
  app.decorate("requirePermission", (permissionCode) => async (request) => {
    request.employee = actor;
    const permissionCodes = actor.permissionCodes ?? [];
    if (!permissionCodes.includes("*") && !permissionCodes.includes(permissionCode)) {
      throw new Error(`unexpected permission check: ${permissionCode}`);
    }
  });
  app.decorate("hasPermission", (employee, permissionCode) => {
    const permissionCodes = employee.permissionCodes ?? [];
    return permissionCodes.includes("*") || permissionCodes.includes(permissionCode);
  });
  app.decorate("config", {
    appTimezone: "Asia/Shanghai",
    projectLinkingEnabled: true,
  });
  app.decorate("prisma", {
    featureFlag: {
      findUnique: vi.fn().mockImplementation(async ({ where }) => buildFeatureFlagRecord(where.flag_key)),
    },
    auditLog: {
      create: auditCreate,
    },
    contractRegistry: {
      count,
      findMany,
    },
  });

  await app.register(exportsRoutes, { prefix: "/api" });
  return { app, count, findMany, auditCreate };
}

describe("contracts registry export route", () => {
  it("exports filtered contracts registry as csv", async () => {
    const { app, count, findMany, auditCreate } = await buildApp();

    const response = await app.inject({
      method: "POST",
      url: "/api/exports/contracts-registry",
      payload: {
        format: "csv",
        status: "expired",
        contractType: "service",
        counterpartyName: "测试",
        expiryDateFrom: "2026-03-01",
        expiryDateTo: "2026-03-31",
      },
    });

    expect(response.statusCode).toBe(200);
    expect(response.headers["content-type"]).toContain("text/csv");
    expect(response.headers["content-disposition"]).toContain("contracts-registry-");
    expect(response.body).toContain("合同编号");
    expect(response.body).toContain("服务合同");
    expect(response.body).toContain("已过期");
    expect(count).toHaveBeenCalledWith(
      expect.objectContaining({
        where: expect.objectContaining({
          AND: expect.arrayContaining([
            expect.objectContaining({ contract_type: "service" }),
            expect.objectContaining({
              counterparty_name: expect.objectContaining({ contains: "测试", mode: "insensitive" }),
            }),
          ]),
        }),
      }),
    );
    expect(findMany).toHaveBeenCalled();
    expect(auditCreate).toHaveBeenCalledWith(
      expect.objectContaining({
        data: expect.objectContaining({
          action: "EXPORT_CONTRACTS_REGISTRY",
          extra: expect.objectContaining({
            format: "csv",
            status: "expired",
            contractType: "service",
            counterpartyName: "测试",
            matchedTotal: 1,
          }),
        }),
      }),
    );

    await app.close();
  });

  it("exports contracts registry as xlsx", async () => {
    const { app, auditCreate } = await buildApp({
      count: vi.fn().mockResolvedValue(1),
      findMany: vi.fn().mockResolvedValue([
        buildContractRow({
          id: "contract-2",
          contract_no: "HT-2026-002",
          contract_type: "purchase",
          status: "archived",
          expiry_date: new Date("2026-04-15T00:00:00.000Z"),
        }),
      ]),
    });

    const response = await app.inject({
      method: "POST",
      url: "/api/exports/contracts-registry",
      payload: {
        format: "xlsx",
      },
    });

    expect(response.statusCode).toBe(200);
    expect(response.headers["content-type"]).toContain(
      "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
    );
    expect(response.headers["content-disposition"]).toContain("contracts-registry-");
    expect(Buffer.from(response.rawPayload).length).toBeGreaterThan(0);
    expect(auditCreate).toHaveBeenCalledWith(
      expect.objectContaining({
        data: expect.objectContaining({
          action: "EXPORT_CONTRACTS_REGISTRY",
          extra: expect.objectContaining({
            format: "xlsx",
            matchedTotal: 1,
          }),
        }),
      }),
    );

    await app.close();
  });
});