import { test, expect } from "./helpers/fixtures";
import {
  ADMIN,
  apiGetData,
  createAuthenticatedApiClient,
  EMPLOYEE,
  FINANCE,
  FINANCE_MGR,
  login,
  logout,
  MANAGER,
} from "./helpers/auth";
import { openNavLink } from "./helpers/navigation";
import { TEST_IDS } from "./helpers/testIds";

type FeatureFlagItem = {
  flagKey: string;
  overrideMode: "inherit" | "force_on" | "force_off";
  rolloutType: "global" | "department_allowlist";
  departmentIds: string[];
  note: string;
  version: number;
  effectiveEnabled: boolean;
};

async function ensureFeatureFlagOn(api: Awaited<ReturnType<typeof createAuthenticatedApiClient>>["api"], flagKey: string) {
  const list = await apiGetData<{ items: FeatureFlagItem[] }>(api, "/api/system/feature-flags");
  const item = list.items.find((flag) => flag.flagKey === flagKey);
  if (!item) {
    throw new Error(`Missing feature flag: ${flagKey}`);
  }
  if (item.overrideMode === "force_on" && item.effectiveEnabled) {
    return;
  }
  const response = await api.put(`/api/system/feature-flags/${flagKey}`, {
    data: {
      overrideMode: "force_on",
      rolloutType: "global",
      departmentIds: [],
      note: "playwright reimbursement payment batch flow",
      expectedVersion: item.version,
    },
  });
  if (!response.ok()) {
    throw new Error(`Failed to enable feature flag ${flagKey}: ${response.status()} ${await response.text()}`);
  }
}

test("E2E 报销支付批次主链路：提交 -> 审批 -> 创建批次 -> 复核 -> 执行 -> 下游收口", async ({
  page,
  reimbursementDetail,
  workflowDetail,
}) => {
  test.setTimeout(300_000);

  const adminApi = await createAuthenticatedApiClient(ADMIN);
  const employeeApi = await createAuthenticatedApiClient(EMPLOYEE);
  const financeMgrApi = await createAuthenticatedApiClient(FINANCE_MGR);
  const paymentDate = new Date().toISOString().slice(0, 10);

  try {
    await ensureFeatureFlagOn(adminApi.api, "payment_batch_v1");
    await ensureFeatureFlagOn(adminApi.api, "erp_sync");

    await login(page, EMPLOYEE);

    await (await openNavLink(page, "我的报销")).click();
    await expect(page).toHaveURL(/\/reimbursements/);
    const createResponsePromise = page.waitForResponse((response) => {
      const url = new URL(response.url());
      return response.request().method() === "POST" && url.pathname === "/api/reimbursements" && response.ok();
    });
    await page.getByTestId("reimbursements-create").click();
    await page.getByRole("menuitem", { name: "空白报销" }).click();
    const createPayload = (await (await createResponsePromise).json()) as { data?: { id?: string } };
    const reimbursementId = createPayload.data?.id;
    if (!reimbursementId) {
      throw new Error(`创建报销单后未返回 id: ${JSON.stringify(createPayload)}`);
    }

    await page.goto(`/reimbursements/${reimbursementId}`);
    await reimbursementDetail.assertLoaded();

    const marker = `R78_BATCH_${Date.now()}_${Math.random().toString(16).slice(2)}`;
    const invoiceId = await reimbursementDetail.uploadInvoicePdf(
      `r78-${Date.now()}.pdf`,
      Buffer.from(`%PDF-1.4\n${marker}\n%%EOF\n`, "utf8"),
    );

    await page.goto(`/reimbursements/${reimbursementId}`);
    await reimbursementDetail.assertLoaded();
    await reimbursementDetail.submitReimbursement();
    const reimbursementAfterSubmit = await apiGetData<{
      formNumber: string | null;
      status: string;
      totalAmount: string | null;
    }>(
      employeeApi.api,
      `/api/reimbursements/${reimbursementId}`,
    );
    expect(reimbursementAfterSubmit.status).toBe("reviewing");
    await expect(page.getByText("审批中", { exact: true }).first()).toBeVisible();
    const reimbursementDisplayCode = reimbursementAfterSubmit.formNumber ?? reimbursementId;
    const secondApprovalUser = Number(reimbursementAfterSubmit.totalAmount ?? 0) > 500 ? FINANCE_MGR : FINANCE;

    await logout(page, EMPLOYEE.name);

    await login(page, MANAGER);
    await (await openNavLink(page, "待我处理")).click();
    await expect(page.getByTestId(TEST_IDS.workflow.tasksTable)).toBeVisible();
    const managerTaskRow = page.getByTestId(TEST_IDS.workflow.taskRow).filter({ hasText: reimbursementDisplayCode }).first();
    await expect(managerTaskRow).toBeVisible();
    await managerTaskRow.getByTestId(TEST_IDS.workflow.detailLink).click();
    await workflowDetail.assertLoaded();
    await workflowDetail.approve();
    await expect(page.getByText("已完成", { exact: true }).first()).toBeVisible();
    await expect(page.getByText(`通过 · ${MANAGER.name}`, { exact: true })).toBeVisible();

    await logout(page, MANAGER.name);

    await login(page, secondApprovalUser);
    await (await openNavLink(page, "待我处理")).click();
    await expect(page.getByTestId(TEST_IDS.workflow.tasksTable)).toBeVisible();
    const financeTaskRow = page.getByTestId(TEST_IDS.workflow.taskRow).filter({ hasText: reimbursementDisplayCode }).first();
    await expect(financeTaskRow).toBeVisible();
    await financeTaskRow.getByTestId(TEST_IDS.workflow.detailLink).click();
    await workflowDetail.assertLoaded();
    await workflowDetail.approve();
    await expect(page.getByText("已完成", { exact: true }).first()).toBeVisible();
    await expect(page.getByText(`通过 · ${secondApprovalUser.name}`, { exact: true })).toBeVisible();

    await logout(page, secondApprovalUser.name);
    await login(page, FINANCE);

    const batchName = `R78-报销付款批次-${Date.now()}`;
    await page.goto("/payment-batches");
    await expect(page).toHaveURL(/\/payment-batches/);

    const createCard = page.locator(".card-std").filter({ hasText: "新建批次" }).first();
    const createBatchResponsePromise = page.waitForResponse((response) => {
      const url = new URL(response.url());
      return response.request().method() === "POST" && url.pathname === "/api/payment-batches" && response.ok();
    });
    await createCard.locator("select").nth(0).selectOption("reimbursement");
    await createCard.getByPlaceholder("例如：2026Q2-财务付款批次-01").fill(batchName);
    await createCard.getByPlaceholder("用逗号或换行分隔 reimbursement / travel_order ID").fill(reimbursementId);
    await createCard.locator('input[type="date"]').fill(paymentDate);
    await createCard.getByPlaceholder("例如 PBX").fill("R78PB");
    await createCard.getByRole("button", { name: "创建批次" }).click();

    const createBatchPayload = (await (await createBatchResponsePromise).json()) as {
      data?: { item?: { id?: string } };
    };
    const batchId = createBatchPayload.data?.item?.id;
    if (!batchId) {
      throw new Error(`创建支付批次后未返回 id: ${JSON.stringify(createBatchPayload)}`);
    }
    await page.goto(`/payment-batches?id=${batchId}`);
    const batchDetailCard = page.locator(".card-std").filter({ hasText: batchName }).filter({ hasText: "复核进度：" }).last();
    await expect(batchDetailCard).toBeVisible();
    await expect(batchDetailCard).toContainText("状态：草稿");
    await expect(batchDetailCard).toContainText("复核进度：0/1");

    await logout(page, FINANCE.name);

    await login(page, FINANCE_MGR);
    await page.goto("/ap-operations");
    await page.getByRole("tab", { name: /待付款/ }).click();
    const pendingRow = page.locator("tr").filter({ hasText: batchName }).first();
    await expect(pendingRow).toBeVisible();
    await pendingRow.getByRole("button", { name: "快捷复核" }).click();
    await expect(page.getByRole("dialog")).toContainText(batchName);
    await page.getByPlaceholder("请输入复核意见").fill("R78 focused regression review");
    await page.getByRole("button", { name: "提交复核" }).click();
    await expect(pendingRow).toContainText("复核 1/1");

    await logout(page, FINANCE_MGR.name);

    await login(page, FINANCE);
    await page.goto(`/payment-batches?id=${batchId}`);
    const executedBatchDetailCard = page.locator(".card-std").filter({ hasText: batchName }).filter({ hasText: "复核进度：" }).last();
    await expect(executedBatchDetailCard).toBeVisible();
    await expect(executedBatchDetailCard).toContainText("复核进度：1/1");
    const executeBatchResponsePromise = page.waitForResponse((response) => {
      const url = new URL(response.url());
      return response.request().method() === "POST" &&
        url.pathname === `/api/payment-batches/${batchId}/execute` &&
        response.ok();
    });
    await executedBatchDetailCard.getByRole("button", { name: "执行" }).click();
    await expect(page.getByTestId("action-confirm-dialog")).toContainText("确认后将执行付款批次");
    await page.getByTestId("action-confirm-submit").click();
    await executeBatchResponsePromise;
    await expect(executedBatchDetailCard).toContainText("状态：已执行", { timeout: 30_000 });

    await page.goto(`/reimbursements/${reimbursementId}`);
    await reimbursementDetail.assertLoaded();
    const reimbursementAfterPayment = await apiGetData<{ status: string }>(
      employeeApi.api,
      `/api/reimbursements/${reimbursementId}`,
    );
    expect(reimbursementAfterPayment.status).toBe("paid");
    await expect(page.getByText("已支付", { exact: true }).first()).toBeVisible({ timeout: 30_000 });
    await expect(page.getByTestId("reimbursement-payment-status")).toContainText("已付款");

    const paymentAudit = await apiGetData<{
      items: Array<{ action: string; targetId: string | null; extra: Record<string, unknown> }>;
    }>(
      adminApi.api,
      "/api/audit-logs?action=REIMBURSEMENT_PAYMENT_MARKED&page=1&pageSize=20",
    );
    expect(
      paymentAudit.items.some((item) => item.targetId === reimbursementId && item.extra?.idempotent === false),
      "付款动作应写入报销付款审计",
    ).toBe(true);

    await page.goto("/ap-operations");
    await expect(page.getByRole("tab", { name: /财务台账/ })).toBeVisible();
    await expect(page.getByTestId("finance-ledger-table")).toContainText(reimbursementDisplayCode);
    await expect(page.getByTestId("finance-ledger-table")).toContainText("已付款");
    await expect(page.getByRole("tab", { name: /待付款/ })).toBeVisible();
    await expect(page.getByText(batchName)).toHaveCount(0);

    await logout(page, FINANCE.name);

    const invoiceDetail = await apiGetData<{
      status: string;
      archivedAt: string | null;
      linkedReimbursementId: string | null;
    }>(
      employeeApi.api,
      `/api/invoice-pool/${invoiceId}`,
    );
    expect(invoiceDetail.status).toBe("archived");
    expect(invoiceDetail.archivedAt).toBeTruthy();
    expect(invoiceDetail.linkedReimbursementId).toBe(reimbursementId);

    const erpPreview = await apiGetData<{
      exportState: {
        lastOutboxId: string | null;
        lastOutboxStatus: string | null;
      };
    }>(
      financeMgrApi.api,
      `/api/integrations/erp/journals/reimbursements/${reimbursementId}/preview`,
    );
    expect(erpPreview.exportState.lastOutboxId).toBeTruthy();
    expect(erpPreview.exportState.lastOutboxStatus).toBe("pending");
  } finally {
    await Promise.all([adminApi.dispose(), employeeApi.dispose(), financeMgrApi.dispose()]);
  }
});