import { contextBridge, ipcRenderer } from 'electron'
import type { ClientInstallPayload, FetchedPack, RamCheckResult, ServerInstallPayload, PortForwardResult } from './types.js'

const api = {
  // i18n
  loadLocale: (): Promise<Record<string, unknown>> => ipcRenderer.invoke('i18n:dict'),

  // 1단계
  loadPacks: (manifestUrl?: string): Promise<FetchedPack[]> =>
    ipcRenderer.invoke('packs:load', manifestUrl),
  setSelectedPack: (packKey: string): Promise<void> =>
    ipcRenderer.invoke('packs:select', packKey),

  // 약관(Markdown) 다운로드
  getTerm: (kind: string): Promise<{ ok: boolean; content?: string; message?: string }> =>
    ipcRenderer.invoke('terms:get', kind),
  // 메인 인스톨러용 약관 목록 (사이트의 visibility 토글에 따라 필터링됨)
  getTermsList: (): Promise<{ ok: boolean; terms?: Array<{ kind: string; label: string }>; message?: string }> =>
    ipcRenderer.invoke('terms:list'),
  // 최종 리소스팩 다운로드용 약관 목록 (showInFinalResourcepack 필터)
  getFinalTermsList: (): Promise<{ ok: boolean; terms?: Array<{ kind: string; label: string }>; message?: string }> =>
    ipcRenderer.invoke('terms:listFinal'),
  // 최종 리소스팩 다운로드 실행
  installFinalResourcepack: (): Promise<{ ok: boolean; path?: string; message?: string }> =>
    ipcRenderer.invoke('finalResourcepack:install'),

  // 3-1
  pickFolder: (): Promise<string | null> => ipcRenderer.invoke('dialog:pickFolder'),
  validateInstallPath: (target: string): Promise<{ ok: boolean; message?: string }> =>
    ipcRenderer.invoke('install:validatePath', target),

  // 3-2
  detectJdk: (recommendedJdk?: number): Promise<{ found: boolean; path: string; major: number; match: boolean }> =>
    ipcRenderer.invoke('jdk:detect', recommendedJdk),
  verifyJdk: (jdkPath: string, recommendedJdk?: number): Promise<{ ok: boolean; major: number; required: number; match: boolean }> =>
    ipcRenderer.invoke('jdk:verify', jdkPath, recommendedJdk),
  installJdk: (recommendedJdk?: number): Promise<{ ok: boolean; path?: string; message?: string }> =>
    ipcRenderer.invoke('jdk:install', recommendedJdk),
  cancelJdkInstall: (): Promise<{ ok: boolean }> => ipcRenderer.invoke('jdk:cancelInstall'),

  // 3-3
  startServerInstall: (payload: ServerInstallPayload): Promise<void> =>
    ipcRenderer.invoke('server:install', payload),
  readEula: (installPath: string): Promise<{ exists: boolean; content: string }> =>
    ipcRenderer.invoke('server:readEula', installPath),
  fetchMinecraftEula: (): Promise<{ url: string; html: string }> =>
    ipcRenderer.invoke('server:fetchMinecraftEula'),
  acceptEula: (installPath: string): Promise<void> =>
    ipcRenderer.invoke('server:acceptEula', installPath),
  checkRam: (packKey: string): Promise<RamCheckResult> =>
    ipcRenderer.invoke('server:checkRam', packKey),

  // 3-4
  startServerConfigEditor: (installPath: string): Promise<{ url: string }> =>
    ipcRenderer.invoke('server:configEditor', installPath),

  // 3-5
  checkPortForward: (port: number): Promise<PortForwardResult> =>
    ipcRenderer.invoke('server:portForward', port),

  // 4단계
  installClient: (payload: ClientInstallPayload): Promise<void> =>
    ipcRenderer.invoke('client:install', payload),

  // 5단계
  openServerFolder: (): Promise<void> => ipcRenderer.invoke('finish:openServerFolder'),
  createDesktopShortcut: (): Promise<void> => ipcRenderer.invoke('finish:desktopShortcut'),
  startServer: (): Promise<void> => ipcRenderer.invoke('finish:startServer'),
  startMinecraftLauncher: (): Promise<void> => ipcRenderer.invoke('finish:startLauncher'),
  quitApp: (): Promise<void> => ipcRenderer.invoke('app:quit'),

  // log stream
  onLog: (handler: (line: string) => void): (() => void) => {
    const listener = (_event: unknown, line: string) => handler(line)
    ipcRenderer.on('log', listener)
    return () => ipcRenderer.removeListener('log', listener)
  },

  // 최종 리소스팩 다운로드 진행률 구독. 반환값을 호출하면 구독 해제.
  onFinalResourcepackProgress: (
    handler: (info: { loaded: number; total: number; percent: number }) => void
  ): (() => void) => {
    const listener = (_event: unknown, info: { loaded: number; total: number; percent: number }) => handler(info)
    ipcRenderer.on('finalResourcepack:progress', listener)
    return () => ipcRenderer.removeListener('finalResourcepack:progress', listener)
  }
}

contextBridge.exposeInMainWorld('installer', api)

declare global {
  interface Window {
    installer: typeof api
  }
}