import { test, expect, type Page } from "@playwright/test"
import type { OptimizerApiServer } from "../../lib/route-optimizer-data"

const ids = Array.from({ length: 12 }, (_, i) => i + 1)
const servers: OptimizerApiServer[] = (["home-router", "jump-host", "exit-node"] as const).map((type, i) => ({
  id: i + 1, name: `Роутер ${i + 1}`, host: `192.0.2.${i + 1}`, type,
  site: "TEST", country: "RU", enabled: true, status: "online", latency: 10, model: "CHR",
  ...(i === 0 ? { wanUplinks: ids.map(id => ({ id: `wan${id}`, name: `WAN${id}`, isp: "ISP", iface: `ether${id}`, ip: `198.51.100.${id}`, maxDl: 100, maxUl: 100 })) } : {}),
}))

async function setup(page: Page, preview: "ok" | "empty" | "error" = "ok", missingExit = false, manyHomes = false) {
  await page.route("**/health", route => route.fulfill({ json: { ok: true } }))
  await page.route("**/api/**", route => {
    const path = new URL(route.request().url()).pathname
    if (path.endsWith("/ospf/optimize/preview")) {
      if (preview === "error") return route.fulfill({ status: 500, json: { error: "Расчёт недоступен" } })
      const interfaces = preview === "empty" ? [] : ids.map(i => ({ id: String(i), interface: `ether${i}`, currentCost: i, optimalCost: 20, score: i, pingMs: i, dlMbps: 100, ulMbps: 50 }))
      return route.fulfill({ json: {serverId:1,serverName:"Роутер 1",pingWeight:60,unchangedCount:0, interfaces, changes: interfaces, changedCount: interfaces.length, interfacesTotal: interfaces.length } })
    }
    return route.fulfill({ json: path === "/api/servers" ? [...servers.filter(server => !missingExit || server.type !== "exit-node"), ...(manyHomes ? Array.from({ length: 5 }, (_, i) => ({ ...servers[0], id: i+4, name: `Другой дом ${i+4}`, wanUplinks: [] })) : [])]
      : path === "/api/auth/config" ? { required: false }
      : path === "/api/evobgp/settings" ? { enabled: false, baseUrl: "", secretConfigured: false }
      : path === "/api/filters/rules" ? { rulesets: [{ serverId: "1", rules: ids.map(i => ({ id: String(i), community: `65001:${i}`, communityName: `Сервис ${i}`, gateway: "192.0.2.2", gatewayTunnelId: "", description: "" })) }] }
      : path === "/api/uptime/speed-probes" ? { probes: [] }
      : path === "/api/ospf/catalog" ? { interfaces: [], instances: [], neighbors: [], bfdSessions: [], routes: [], failures: [] } : {} })
  })
  await page.goto("/route-optimizer")
  await expect(page.getByRole("table").filter({ hasText: "WAN-аплинк" }).locator("tr[data-row-id]")).toHaveCount(12)
}

test("Оптимизатор: 12 WAN, все комбинации и закрепление Community после сортировки", async ({ page }) => {
  const errors: string[] = []
  page.on("pageerror", e => errors.push(e.message))
  await setup(page)
  const matrix = page.getByRole("table").filter({ hasText: "WAN-аплинк" })
  await expect(matrix.locator("tr[data-row-id]")).toHaveCount(12)
  await expect(matrix.getByRole("columnheader", { name: /Роутер 2/ })).toBeVisible()
  await expect(matrix.locator('tr[data-row-id="wan12"]')).toContainText("WAN12")
  await page.getByRole("button", { name: "Маршруты (12)", exact: true }).click()
  const routes = page.getByRole("table").filter({ hasText: "# Маршрут" })
  await expect(routes.locator("tr[data-row-id]")).toHaveCount(5)
  await page.getByRole("button", { name: "Показать все 12 комбинаций", exact: true }).click()
  await expect(routes.locator("tr[data-row-id]")).toHaveCount(12)
  await routes.getByRole("button", { name: "Индекс", exact: true }).click()
  await routes.getByRole("button", { name: "Индекс", exact: true }).click()
  await expect(routes.locator("tr[data-row-id]").first()).toHaveAttribute("data-row-id", "1-wan12-2-3")
  await page.getByRole("button", { name: "Свернуть", exact: true }).click()
  await expect(routes.locator("tr[data-row-id]")).toHaveCount(5)
  await page.getByRole("button", { name: "BGP community (12)", exact: true }).click()
  const recs = page.getByRole("table").filter({ hasText: "Community" })
  await expect(recs.locator("tr[data-row-id]")).toHaveCount(12)
  await recs.getByRole("button", { name: "Community", exact: true }).click()
  await recs.getByRole("button", { name: "Community", exact: true }).click()
  const selected = recs.locator("tr[data-row-id]").first()
  await expect(selected).toContainText("65001:12")
  await selected.getByRole("button", { name: "Закрепить", exact: true }).click()
  await expect(selected.getByRole("button", { name: "Открепить", exact: true })).toBeVisible()
  await expect(selected.getByRole("button", { name: "Применить", exact: true })).toHaveCount(0)
  expect(errors).toEqual([])
})

test("OSPF preview: 12 интерфейсов и числовая сортировка", async ({ page }) => {
  await setup(page)
  const table = page.getByRole("table").filter({ hasText: "Speed (dl/ul)" })
  await expect(table.locator("tr[data-row-id]")).toHaveCount(12)
  await table.getByRole("button", { name: "Cost", exact: true }).click()
  await expect(table.locator("tr[data-row-id]").first()).toContainText("ether12")
})

for (const state of ["empty", "error"] as const) {
  test(`OSPF preview: состояние ${state}`, async ({ page }) => {
    await setup(page, state)
    await expect(page.getByText(state === "empty" ? "Интерфейсы OSPF не найдены для выбранного сервера" : /Ошибка preview:.*Расчёт недоступен/)).toBeVisible()
    await expect(page.getByRole("table").filter({ hasText: "Speed (dl/ul)" })).toHaveCount(0)
  })
}

test("Оптимизатор: без ExitNode отсутствующие индексы не становятся нулями", async ({page}) => {
 await setup(page,"ok",true)
 await page.getByRole("button",{name:"BGP community (12)",exact:true}).click()
 const grid=page.getByRole("table").filter({hasText:"Community"})
 await expect(grid.locator("tr[data-row-id]")).toHaveCount(12)
 await expect(grid.getByLabel("Индекс неизвестен")).toHaveCount(24)
 await expect(grid).not.toContainText("0 б.")
 await expect(grid.getByRole("button",{name:"Симулировать",exact:true})).toHaveCount(0)
})


test("Оптимизатор: закрепление Community сохраняется между страницами устройств", async ({ page }) => {
  await setup(page, "ok", false, true)
  const scope = page.getByRole("region", { name: "Домашние устройства оптимизатора" })
  await page.getByRole("button", { name: "BGP community (12)", exact: true }).click()
  const rec = scope.getByRole("table").filter({ hasText: "Community" }).locator('tr[data-row-id="1::65001:1::0"]')
  await rec.getByRole("button", { name: "Закрепить", exact: true }).click()
  await expect(rec.getByRole("button", { name: "Открепить", exact: true })).toBeVisible()
  await scope.getByRole("button", { name: "Следующая страница домашних устройств" }).click()
  await expect(scope.getByRole("status")).toContainText("6–6 из 6")
  await expect(scope.getByText("Другой дом 8", { exact: true })).toBeVisible()
  await scope.getByRole("button", { name: "Предыдущая страница домашних устройств" }).click()
  await page.getByRole("button", { name: "BGP community (12)", exact: true }).click()
  await expect(rec.getByRole("button", { name: "Открепить", exact: true })).toBeVisible()
})