export interface SearchItem {
  videoId:    string
  title:      string
  youtubeUrl: string
  duration:   string
  views:      number
  author:     string
  thumbnail:  string
}

export interface SearchResult {
  status:   'ok' | 'error'
  query:    string
  platform: 'YouTube'
  items:    SearchItem[]
}

export interface Thumbnail {
  preview:    string
  resolution: string
}

export interface DownloadResult {
  title:           string | null
  author:          string | null
  duration:        string | null
  thumbnail:       Thumbnail[]
  quality:         string | null
  format:          'mp3' | 'mp4'
  mp3DownloadLink: string | null
  mp4DownloadLink: string | null
}

export interface PlayResult {
  title:     string | null
  author:    string | null
  duration:  string | null
  thumbnail: string | null
  videoUrl:  string
  audioUrl:  string
  quality:   string
  filename:  string | null
}

export declare class ApiClient {
  constructor(apiKey: string, baseUrl: string)
  get(path: string, params?: Record<string, string>): Promise<any>
  post(path: string, payload?: Record<string, any>): Promise<any>
}

export declare class Search {
  constructor(client: ApiClient)
  videos(query: string): Promise<SearchResult>
}

export declare class Download {
  constructor(client: ApiClient)
  video(url: string, format?: 'mp3' | 'mp4', quality?: number): Promise<DownloadResult>
  mp3(url: string, quality?: 92 | 128 | 256 | 320): Promise<DownloadResult>
  mp4(url: string, quality?: 144 | 360 | 480 | 720 | 1080): Promise<DownloadResult>
}

export declare class Play {
  constructor(client: ApiClient)
  music(title: string): Promise<PlayResult>
}

declare class Youtube {
  search:   Search
  download: Download
  play:     Play
  constructor(apiKey: string, baseUrl: string)
}

export default Youtube