import { test, expect } from "@playwright/test"
const headers = { "access-control-allow-origin": "*", "access-control-allow-methods": "GET,OPTIONS", "access-control-allow-headers": "Content-Type,Authorization" }
const session = (serverId: number, name = "Сессия " + serverId) => ({ id: "*1", serverId, serverName: "Роутер " + serverId, serverSite: "", serverCountry: "RU", name, peerIp: "192.0.2." + serverId, remoteAs: 64513, localAs: 64512, localId: "192.0.2.100", remoteId: "192.0.2." + serverId, state: "Established", type: "eBGP", uptime: "1h", holdTime: 90, keepalive: 30, prefixesRx: 12, prefixesTx: 2, inputMessages: 20, outputMessages: 10, capabilities: ["Тест capability"], lastError: null })


for (const change of ["backend", "mode"]) for (const fails of [false, true]) {
  test(`BGP: позднее чтение после смены ${change}/${fails}`, async ({ page }) => {
    await page.route("**/health", r => r.fulfill({ headers, json: { ok: true } }))
    await page.route("**/api/**", r => {
      const url = new URL(r.request().url()), path = url.pathname
      return r.fulfill({ headers, json: path === "/api/bgp/catalog" ? { sessions: [session(1, url.port === "8101" ? "Новая BGP" : "Старая BGP")], failures: [] } : path === "/api/servers" ? [{ id: 1, name: "Роутер", host: "192.0.2.1", enabled: true, country: "RU" }] : path === "/api/auth/config" ? { required: false } : {} })
    })
    await page.goto("/settings")
    await page.getByRole("link", { name: /^BGP/ }).click()
    await expect(page.locator("tr[data-row-id]")).toContainText("Старая BGP")
    let release: (() => void) | undefined, started = false
    const gate = new Promise<void>(resolve => { release = resolve })
    await page.route("**/api/bgp/catalog", async r => {
      if (new URL(r.request().url()).port !== "8000") return r.fallback()
      started = true
      await gate
      return r.fulfill(fails ? { headers, status: 503, json: { error: "Старая ошибка BGP" } } : { headers, json: { sessions: [], failures: [] } })
    })
    await page.getByRole("button", { name: "Обновить", exact: true }).click()
    await expect.poll(() => started).toBe(true)
    await page.goBack()
    await expect(page).toHaveURL(/settings/)
    if (change === "backend") {
      const input = page.getByPlaceholder("http://localhost:8000")
      await input.fill("http://localhost:8101")
      await input.press("Enter")
    } else await page.getByRole("button", { name: "Моковые", exact: true }).click()
    await page.getByRole("link", { name: /^BGP/ }).click()
    if (change === "backend") await expect(page.locator("tr[data-row-id]")).toContainText("Новая BGP")
    else await expect(page.getByText("Моковые данные", { exact: true })).toBeVisible()
    const response = page.waitForResponse(r => r.url().includes(":8000/api/bgp/catalog"))
    release!()
    await (await response).finished()
    await page.evaluate(() => new Promise<void>(resolve => requestAnimationFrame(() => requestAnimationFrame(() => resolve()))))
    if (change === "backend") await expect(page.locator("tr[data-row-id]")).toContainText("Новая BGP")
    await expect(page.getByText("Не удалось загрузить BGP", { exact: false })).toHaveCount(0)
  })
}