import { test, expect } from "@playwright/test"

const summary = (id: string) => ({ serverId: id, serverName: "Роутер " + id, initialized: false, ike2Ready: false, natRuleManaged: false, clientsTotal: 1, clientsOnline: 0, peers: [] })
const client = (id: string, name = "Клиент " + id) => ({ id: id + "-*1", rosId: "*1", serverId: id, serverName: "Роутер " + id, name, authMethod: "certificate", online: false, disabled: false, managed: true })
const servers = [1, 2].map(id => ({ id, name: "Роутер " + id, host: "192.0.2." + id, enabled: true, country: "RU", type: "exit-node", status: "online" }))
const full = { servers: [summary("1"), summary("2")], clients: [client("1"), client("2")] }

for (const width of [1280, 320]) {
  test(`IPsec: несколько сессий одного клиента без произвольного адреса ${width}px`, async ({ page }) => {
    await page.setViewportSize({ width, height: 1000 })
    let phase = 0
    await page.route("**/health", r => r.fulfill({ json: { ok: true } }))
    await page.route("**/api/**", r => {
      const path = new URL(r.request().url()).pathname
      return r.fulfill({ json: path === "/api/ipsec" ? {
        servers: [{ ...summary("1"), clientsOnline: phase === 2 ? 0 : 1 }],
        clients: [{ ...client("1"), online: phase !== 2, ...(phase === 1 ? { activeAddress: "198.18.113.250", activeSince: "1m" } : {}) }],
      } : path === "/api/servers" ? servers : path === "/api/auth/config" ? { required: false } : {} })
    })
    await page.goto("/ipsec?server=1")
    const rows = page.locator("tr[data-row-id]")
    await expect(rows.getByText("онлайн", { exact: true })).toHaveCount(1)
    await expect(rows.getByText("офлайн", { exact: true })).toHaveCount(0)
    await expect(rows.getByText("Не определено", { exact: true })).toHaveCount(0)
    await expect(page.getByLabel("Сводка IPsec")).not.toContainText("—")
    expect(await page.evaluate(() => document.documentElement.scrollWidth <= innerWidth)).toBe(true)
    phase = 1
    await page.getByRole("button", { name: "Обновить", exact: true }).click()
    await expect(rows.getByText("198.18.113.250", { exact: true })).toHaveCount(1)
    phase = 2
    await page.getByRole("button", { name: "Обновить", exact: true }).click()
    await expect(rows.getByText("офлайн", { exact: true })).toHaveCount(1)
    await expect(rows.getByText("198.18.113.250", { exact: true })).toHaveCount(0)
  })
  test(`IPsec: неоднозначная сессия и восстановление статуса ${width}px`, async ({ page }) => {
    await page.setViewportSize({ width, height: 1000 })
    let phase = 0
    const rows = [client("1", "Сертификат"), { ...client("1", "PSK"), id: "1-*2", rosId: "*2", kind: "psk", authMethod: "pre-shared-key" }]
    await page.route("**/health", r => r.fulfill({ json: { ok: true } }))
    await page.route("**/api/**", r => {
      const path = new URL(r.request().url()).pathname
      const values = phase === 0 ? rows.map(c => ({ ...c, sessionAmbiguous: true })) : [
        { ...rows[0], online: true, activeAddress: "198.18.112.250", ...(phase === 2 ? { sessionAmbiguous: true } : {}) }, rows[1],
      ]
      return r.fulfill({ json: path === "/api/ipsec" ? { servers: [{ ...summary("1"), clientsTotal: 2, clientsOnline: phase === 0 ? 0 : 1, ...(phase === 0 ? { clientsSessionAmbiguous: 2 } : {}) }], clients: values }
        : path === "/api/servers" ? servers : path === "/api/auth/config" ? { required: false } : {} })
    })
    await page.goto("/ipsec?server=1")
    const gridRows = page.locator("tr[data-row-id]")
    const ambiguity = page.getByRole("alert").filter({ hasText: "Статус части клиентов не определён" })
    await expect(ambiguity).toContainText("У 2 клиентов")
    await expect(gridRows).toHaveCount(2)
    await expect(gridRows.getByText("Не определено", { exact: true })).toHaveCount(2)
    await expect(gridRows.getByText("офлайн", { exact: true })).toHaveCount(0)
    await expect(page.getByLabel("Сводка IPsec")).toContainText("—")
    await page.getByRole("tab", { name: "Сервер", exact: true }).click()
    await expect(page.getByText("0 подтверждено онлайн / 2; статус 2 не определён", { exact: true })).toBeVisible()
    await page.getByRole("tab", { name: "Клиенты", exact: true }).click()
    expect(await page.evaluate(() => document.documentElement.scrollWidth <= innerWidth)).toBe(true)
    phase = 1
    await page.getByRole("button", { name: "Обновить", exact: true }).click()
    await expect(ambiguity).toHaveCount(0)
    await expect(gridRows.getByText("офлайн", { exact: true })).toHaveCount(1)
    await expect(gridRows.getByText("198.18.112.250", { exact: true })).toHaveCount(1)
    phase = 2
    await page.getByRole("button", { name: "Обновить", exact: true }).click()
    await expect(page.getByRole("alert").filter({ hasText: "Не удалось загрузить IPsec" })).toBeVisible()
    await expect(gridRows.getByText("198.18.112.250", { exact: true })).toHaveCount(1)
  })
}

for (const broken of ["http", "payload", "duplicate", "conflict", "peer-context", "pool-context", "blank-failure"]) {
  test(`IPsec: неизвестное начало и сохранение данных при ${broken}`, async ({ page }) => {
    let phase = 0
    await page.route("**/health", r => r.fulfill({ json: { ok: true } }))
    await page.route("**/api/**", r => {
      const path = new URL(r.request().url()).pathname
      if (path === "/api/ipsec") {
        if (phase === 0) return r.fulfill({ status: 503, json: { error: "Начальный отказ IPsec" } })
        if (phase === 1 || phase === 3) return r.fulfill({ json: full })
        return broken === "http" ? r.fulfill({ status: 503, json: { error: "Повторный отказ IPsec" } })
          : r.fulfill({ json: broken === "payload" ? { servers: [], clients: [{}] }
            : broken === "duplicate" ? { ...full, clients: [client("1"), client("1")] }
            : broken === "peer-context" ? { ...full, servers: [{ ...summary("1"), peers: [{ id: "1-*p1", rosId: "*p1", serverId: "2", serverName: "Чужой роутер", name: "peer", managed: true, disabled: false }] }, summary("2")] }
            : broken === "pool-context" ? { ...full, servers: [{ ...summary("1"), pool: { id: "1-*p1", rosId: "*p1", serverId: "2", name: "pool", ranges: "10.0.0.1-10.0.0.20", managed: true } }, summary("2")] }
            : broken === "blank-failure" ? { servers: [], clients: [], failures: [{ serverId: "", error: "Неизвестный отказ" }] }
            : { ...full, failures: [{ serverId: "1", error: "Сбой устройства" }] } })
      }
      return r.fulfill({ json: path === "/api/servers" ? servers : path === "/api/auth/config" ? { required: false } : {} })
    })
    await page.goto("/ipsec")
    const alert = page.getByRole("alert").filter({ hasText: "Не удалось загрузить IPsec" })
    await expect(alert).toContainText("Данные пока неизвестны")
    await expect(page.getByText("Нет клиентов IKEv2", { exact: true })).toHaveCount(0)
    await expect(page.locator("tr[data-row-id]")).toHaveCount(0)
    await expect(page.getByLabel("Сводка IPsec")).toContainText("неизвестно")
    phase = 1
    await alert.getByRole("button", { name: "Повторить загрузку IPsec" }).click()
    await expect(page.locator("tr[data-row-id]")).toHaveCount(2)
    phase = 2
    await page.getByRole("button", { name: "Обновить", exact: true }).click()
    await expect(alert).toContainText("Показаны последние полученные данные")
    await expect(page.locator("tr[data-row-id]")).toHaveCount(2)
    await expect(page.getByLabel("Сводка IPsec")).toContainText("неизвестно")
    phase = 3
    await alert.getByRole("button", { name: "Повторить загрузку IPsec" }).click()
    await expect(alert).toHaveCount(0)
    await expect(page.locator("tr[data-row-id]")).toHaveCount(2)
  })
}

test("IPsec: частичный отказ сохраняет строки роутера, восстановление удаляет устаревшие", async ({ page }) => {
  let phase = 0
  await page.route("**/health", r => r.fulfill({ json: { ok: true } }))
  await page.route("**/api/**", r => {
    const path = new URL(r.request().url()).pathname
    return r.fulfill({ json: path === "/api/ipsec" ? phase === 0 ? full : phase === 1 ? {
      servers: [summary("1")], clients: [client("1", "Обновлённый клиент")], failures: [{ serverId: "2", serverName: "Роутер 2", error: "Таймаут тест" }],
    } : { servers: [summary("1"), { ...summary("2"), clientsTotal: 0 }], clients: [client("1", "Обновлённый клиент")] }
      : path === "/api/servers" ? servers : path === "/api/auth/config" ? { required: false } : {} })
  })
  await page.goto("/ipsec")
  const rows = page.locator("tr[data-row-id]")
  await expect(rows).toHaveCount(2)
  phase = 1
  await page.getByRole("button", { name: "Обновить", exact: true }).click()
  await expect(page.getByRole("alert").filter({ hasText: "Не удалось опросить часть роутеров" })).toContainText("Роутер 2: Таймаут тест")
  await expect(rows).toHaveCount(2)
  await expect(rows.filter({ hasText: "Обновлённый клиент" })).toHaveCount(1)
  await expect(rows.filter({ hasText: "Клиент 2" })).toHaveCount(1)
  await expect(page.getByLabel("Сводка IPsec")).toContainText("неизвестно")
  phase = 2
  await page.getByRole("button", { name: "Обновить", exact: true }).click()
  await expect(page.getByRole("alert").filter({ hasText: "Не удалось опросить часть роутеров" })).toHaveCount(0)
  await expect(rows).toHaveCount(1)
  await expect(rows.filter({ hasText: "Клиент 2" })).toHaveCount(0)
})

test("IPsec: ошибка списка устройств не стирает успешный опрос", async ({ page }) => {
  await page.route("**/health", r => r.fulfill({ json: { ok: true } }))
  await page.route("**/api/**", r => {
    const path = new URL(r.request().url()).pathname
    if (path === "/api/servers") return r.fulfill({ status: 503, json: { error: "Устройства недоступны тест" } })
    return r.fulfill({ json: path === "/api/ipsec" ? full : path === "/api/auth/config" ? { required: false } : {} })
  })
  await page.goto("/ipsec")
  await expect(page.getByRole("alert").filter({ hasText: "Не удалось загрузить устройства" })).toBeVisible()
  await expect(page.locator("tr[data-row-id]")).toHaveCount(2)
})