import { test, expect } from '../fixtures/auth';
import type { Page } from '@playwright/test';

/**
 * A2 实测：S0 四类主数据 DELETE 是否在存在下游引用时拒绝。
 * 不修改任何数据：每条用例先用 list 找到一条"应当被引用"的记录，仅尝试 DELETE，
 * 期望 4xx + 业务错误码；若意外返回 2xx，则真的存在 BUG。
 */

async function token(page: Page) {
  return page.evaluate(() => {
    for (let i = 0; i < localStorage.length; i++) {
      const k = localStorage.key(i)!;
      if (/access-token$/i.test(k) && !/x-access-token$/i.test(k)) {
        const raw = localStorage.getItem(k)!;
        try {
          const v = JSON.parse(raw);
          return typeof v === 'string' ? v : v?.value ?? raw;
        } catch {
          return raw;
        }
      }
    }
    return null;
  });
}
async function get(page: Page, url: string) {
  const t = await token(page);
  const r = await page.request.get(`${new URL(page.url()).origin}${url}`, {
    headers: { Authorization: `Bearer ${t!}` },
  });
  return { status: r.status(), json: r.ok() ? ((await r.json()) as any) : null };
}
async function del(page: Page, url: string) {
  const t = await token(page);
  const r = await page.request.delete(`${new URL(page.url()).origin}${url}`, {
    headers: { Authorization: `Bearer ${t!}` },
  });
  let body: any = null;
  try { body = await r.json(); } catch { body = await r.text().catch(() => null); }
  return { status: r.status(), body };
}

function rowsOf(j: any): any[] {
  return j?.list ?? j?.data?.list ?? j?.data?.items ?? j?.data ?? j?.items ?? [];
}

/** 取主表与子表全量，按 keyField 求交集，返回主表中 key 出现在子表的第一条。 */
async function pickReferenced(
  page: Page,
  parentUrl: string,
  childUrl: string,
  parentField: string,
  childField: string,
): Promise<{ id: number; key: string; childCount: number } | null> {
  const parents = rowsOf((await get(page, parentUrl)).json);
  const children = rowsOf((await get(page, childUrl)).json);
  const childCounts = new Map<string, number>();
  for (const c of children) {
    const k = c[childField];
    if (k) childCounts.set(String(k), (childCounts.get(String(k)) ?? 0) + 1);
  }
  for (const p of parents) {
    const key = String(p[parentField] ?? '');
    if (key && childCounts.has(key)) {
      return { id: Number(p.id), key, childCount: childCounts.get(key)! };
    }
  }
  return null;
}

test.describe('A2 DELETE 引用检查实测', () => {
  test.beforeEach(async ({ authedPage }) => {
    await authedPage.goto('/#/dashboard/home', { waitUntil: 'domcontentloaded' });
  });

  test('Department 删除带 Employee 的部门 → 应 4xx', async ({ authedPage }) => {
    const target = await pickReferenced(
      authedPage,
      '/api/s0/warehouse/departments?page=1&pageSize=200&tenantId=1&factoryId=1',
      '/api/s0/warehouse/employees?page=1&pageSize=500&tenantId=1&factoryId=1',
      'department',
      'department',
    );
    test.skip(!target, '无可用"被员工引用的部门"样本');
    const resp = await del(
      authedPage,
      `/api/s0/warehouse/departments/${target!.id}?tenantId=1&factoryId=1`,
    );
    test.info().annotations.push({
      type: 'department',
      description: `target=${JSON.stringify(target)} resp=${resp.status} body=${JSON.stringify(resp.body).slice(0, 200)}`,
    });
    expect(resp.status, '应返回 4xx 拒绝').toBeGreaterThanOrEqual(400);
  });

  test('Location 删除带 Shelf 的库位 → 应 4xx', async ({ authedPage }) => {
    // 库位下游覆盖 LocationShelfMaster + ItemMaster.Location；前者无 S0 列表 API，
    // 改用 materials.location 求交集（命中其一即触发拒绝）
    const target = await pickReferenced(
      authedPage,
      '/api/s0/warehouse/locations?page=1&pageSize=200&tenantId=1&factoryId=1',
      '/api/s0/sales/materials?page=1&pageSize=2000&tenantId=1&factoryId=1',
      'location',
      'location',
    );
    test.skip(!target, '无可用"被物料/货架引用的库位"样本');
    const resp = await del(
      authedPage,
      `/api/s0/warehouse/locations/${target!.id}?tenantId=1&factoryId=1`,
    );
    test.info().annotations.push({
      type: 'location',
      description: `target=${JSON.stringify(target)} resp=${resp.status} body=${JSON.stringify(resp.body).slice(0, 200)}`,
    });
    expect(resp.status, '应返回 4xx 拒绝').toBeGreaterThanOrEqual(400);
  });

  // Material / Supplier 的运行态 DELETE 验证：未在 S0 路由下挂 SRM/Routing 子表 API，
  // 无法稳妥挑选"必有引用"的样本而不踩到孤儿。本轮仅做代码审查，不做运行态删除。
});