import { beforeEach, describe, expect, it, vi } from 'vitest'
import { buildNoteWindowUrl, buildRuntimeNoteWindowUrl, openNoteInNewWindow } from './openNoteWindow'
import { isTauri } from '../mock-tauri'
import { shouldUseCustomWindowChrome } from './platform'

const webviewWindowCalls = vi.fn()
const localStorageMock = (() => {
  let store: Record<string, string> = {}
  return {
    getItem: (key: string) => store[key] ?? null,
    setItem: (key: string, value: string) => { store[key] = value },
    removeItem: (key: string) => { delete store[key] },
    clear: () => { store = {} },
  }
})()

Object.defineProperty(globalThis, 'localStorage', { value: localStorageMock, writable: true })

vi.mock('../mock-tauri', () => ({
  isTauri: vi.fn(),
}))

vi.mock('./platform', () => ({
  shouldUseCustomWindowChrome: vi.fn(),
}))

vi.mock('@tauri-apps/api/webviewWindow', () => ({
  WebviewWindow: class MockWebviewWindow {
    constructor(label: string, options: unknown) {
      webviewWindowCalls(label, options)
    }
  },
}))

vi.mock('@tauri-apps/api/dpi', () => ({
  LogicalPosition: class MockLogicalPosition {
    constructor(public x: number, public y: number) {}
  },
}))

function expectNoteWindowRoute(parsed: URL): void {
  expect(parsed.pathname).toBe('/')
  expect(parsed.searchParams.get('window')).toBe('note')
  expect(parsed.searchParams.get('path')).toBe('/vault/Folder/My Note.md')
  expect(parsed.searchParams.get('vault')).toBe('/Users/luca/Laputa Vault')
  expect(parsed.searchParams.get('title')).toBe('AI / ML')
}

describe('openNoteWindow', () => {
  beforeEach(() => {
    vi.clearAllMocks()
    vi.useFakeTimers()
    vi.setSystemTime(new Date('2026-04-14T16:00:00Z'))
    vi.mocked(isTauri).mockReturnValue(false)
    vi.mocked(shouldUseCustomWindowChrome).mockReturnValue(false)
    localStorage.clear()
  })

  it('builds a root-app route that preserves the note window params', () => {
    const url = buildNoteWindowUrl('/vault/Folder/My Note.md', '/Users/luca/Laputa Vault', 'AI / ML')
    const parsed = new URL(url, 'https://tolaria.localhost')

    expectNoteWindowRoute(parsed)
  })

  it('resolves the runtime route against the current app origin', () => {
    const url = buildRuntimeNoteWindowUrl('/vault/Folder/My Note.md', '/Users/luca/Laputa Vault', 'AI / ML')
    const parsed = new URL(url)

    expect(parsed.origin).toBe(window.location.origin)
    expectNoteWindowRoute(parsed)
  })

  it('does nothing outside Tauri', async () => {
    await openNoteInNewWindow('/vault/test.md', '/vault', 'Test Note')

    expect(webviewWindowCalls).not.toHaveBeenCalled()
  })

  it('opens a new Tauri window with the encoded note route', async () => {
    vi.mocked(isTauri).mockReturnValue(true)

    await openNoteInNewWindow('/vault/Folder/My Note.md', '/Users/luca/Laputa Vault', 'AI / ML')
    const expectedUrl = `${window.location.origin}/?window=note&path=%2Fvault%2FFolder%2FMy+Note.md&vault=%2FUsers%2Fluca%2FLaputa+Vault&title=AI+%2F+ML&windowLabel=note-1776182400000`

    expect(webviewWindowCalls).toHaveBeenCalledWith(
      'note-1776182400000',
      expect.objectContaining({
        url: expectedUrl,
        title: 'AI / ML',
        width: 800,
        height: 700,
        resizable: true,
        titleBarStyle: 'overlay',
        trafficLightPosition: expect.objectContaining({ x: 18, y: 24 }),
        hiddenTitle: true,
        decorations: true,
      }),
    )
    expect(JSON.parse(localStorage.getItem('tolaria:note-window:note-1776182400000') ?? '{}')).toEqual({
      notePath: '/vault/Folder/My Note.md',
      vaultPath: '/Users/luca/Laputa Vault',
      noteTitle: 'AI / ML',
    })
  })

  it('drops native decorations when custom desktop chrome is active', async () => {
    vi.mocked(isTauri).mockReturnValue(true)
    vi.mocked(shouldUseCustomWindowChrome).mockReturnValue(true)

    await openNoteInNewWindow('/vault/linux.md', '/vault', 'Linux Note')

    expect(webviewWindowCalls).toHaveBeenCalledWith(
      'note-1776182400000',
      expect.objectContaining({
        decorations: false,
      }),
    )
  })
})