import { expect, test, vi } from "vitest"

import { Device } from "#Source/environment/index.ts"

const setupForGetDeviceNavigatorInfo = (): (() => void) => {
  vi.stubGlobal("navigator", {
    oscpu: "Windows NT 10.0",
    hardwareConcurrency: 8,
    deviceMemory: 16,
    maxTouchPoints: 5,
    platform: "Win32",
    devicePosture: { type: "continuous" },
    connection: {
      downlink: 10,
      downlinkMax: 100,
      effectiveType: "4g",
      rtt: 40,
      saveData: false,
      type: "wifi",
    },
    onLine: true,
    cookieEnabled: true,
    language: "en-US",
    languages: ["en-US", "zh-CN"],
    pdfViewerEnabled: true,
    userAgent:
      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36",
  })

  return () => {
    vi.unstubAllGlobals()
  }
}
test("getDeviceNavigatorInfo collects navigator metadata", () => {
  const restore = setupForGetDeviceNavigatorInfo()

  const info = Device.getDeviceNavigatorInfo()

  expect(info.oscpu).toBe("Windows NT 10.0")
  expect(info.hardwareConcurrency).toBe(8)
  expect(info.connectionType).toBe("wifi")
  expect(info.languages).toEqual(["en-US", "zh-CN"])

  restore()
})

test("parseUserAgent normalizes user-agent metadata", () => {
  const userAgent =
    "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36"

  const info = Device.parseUserAgent(userAgent)

  expect(info.ua).toBe(userAgent)
  expect(typeof info.browserIsBot).toBe("boolean")
  expect(typeof info.browserIsChromeFamily).toBe("boolean")
  expect(typeof info.deviceIsAppleSilicon).toBe("boolean")
})

const setupForGetDeviceScreenInfo = (): (() => void) => {
  vi.stubGlobal("document", {
    documentElement: {
      clientWidth: 1_200,
      clientHeight: 700,
      scrollWidth: 2_000,
      scrollHeight: 3_000,
    },
  })
  vi.stubGlobal("window", {
    devicePixelRatio: 2,
    screen: {
      width: 1_920,
      height: 1_080,
      availWidth: 1_900,
      availHeight: 1_060,
      orientation: { type: "landscape-primary" },
    },
    outerWidth: 1_400,
    outerHeight: 900,
    innerWidth: 1_200,
    innerHeight: 700,
    visualViewport: {
      width: 1_180,
      height: 680,
      offsetLeft: 10,
      offsetTop: 8,
      pageLeft: 0,
      pageTop: 0,
      scale: 1,
    },
  })
  vi.stubGlobal("getComputedStyle", () => ({
    getPropertyValue: (name: string): string => {
      if (name.includes("top")) {
        return "10"
      }
      if (name.includes("bottom")) {
        return "20"
      }
      if (name.includes("left")) {
        return "30"
      }
      if (name.includes("right")) {
        return "40"
      }
      return "0"
    },
  }))

  return () => {
    vi.unstubAllGlobals()
  }
}
test("getDeviceScreenInfo collects screen and viewport metadata", () => {
  const restore = setupForGetDeviceScreenInfo()

  const info = Device.getDeviceScreenInfo()

  expect(info.pixelRatio).toBe(2)
  expect(info.screenWidth).toBe(1_920)
  expect(info.viewportAvailableWidth).toBe(1_200)
  expect(info.safeAreaTop).toBe(10)
  expect(info.safeAreaRight).toBe(40)

  restore()
})

test("getDeviceInfo aggregates navigator, user-agent, and screen metadata", () => {
  const restore1 = setupForGetDeviceNavigatorInfo()
  const restore2 = setupForGetDeviceScreenInfo()

  const userAgent =
    "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36"
  const info = Device.getDeviceInfo(userAgent)

  expect(info.navigator.language).toBe("en-US")
  expect(info.userAgent.ua).toBe(userAgent)
  expect(info.screen.viewportHeight).toBe(700)

  restore1()
  restore2()
})