export interface Subtitle {
  id: string;
  startTime: number;
  endTime: number;
  originalText: string;
  translatedText: string;
  ttsText?: string;
  ttsLanguage?: string;
  speaker: string;
  speakerId?: string;
  words?: WordTiming[];
  confidence?: number;
  voiceId: string;
  audioUrl?: string;
  volume?: number;
  age?: string;
  voiceCharacteristics?: string;
  emotion?: string;
  textStyle?: TextStyles;
}

export type LlmProvider = 'doubao' | 'gemini';

export type PipelineQuality = 'full' | 'partial' | 'fallback';

export type SubtitleJobStatus = 'queued' | 'running' | 'succeeded' | 'failed';

export type SubtitleJobStage =
  | 'queued'
  | 'upload_received'
  | 'preparing'
  | 'calling_provider'
  | 'processing_result'
  | 'succeeded'
  | 'failed';

export interface WordTiming {
  text: string;
  startTime: number;
  endTime: number;
  speakerId: string;
  confidence: number;
}

export interface SpeakerTrack {
  speakerId: string;
  label: string;
  gender?: 'male' | 'female' | 'unknown';
}

export interface SubtitlePipelineResult {
  subtitles: Subtitle[];
  speakers: SpeakerTrack[];
  quality: PipelineQuality;
  sourceLanguage?: string;
  targetLanguage?: string;
  ttsLanguage?: string;
  duration?: number;
  alignmentEngine?: string;
}

export interface SubtitleGenerationProgress {
  jobId: string;
  requestId: string;
  status: SubtitleJobStatus;
  stage: SubtitleJobStage;
  progress: number;
  message: string;
  pollTimeoutMs?: number;
}

export interface TextStyles {
  fontFamily: string;
  fontSize: number;
  color: string;
  backgroundColor: string;
  strokeColor: string;
  strokeWidth: number;
  alignment: 'left' | 'center' | 'right';
  isBold: boolean;
  isItalic: boolean;
  isUnderline: boolean;
}

export interface SubtitleDefaults {
  fontSize: number;
  bottomOffsetPercent: number;
}

export const DEFAULT_SUBTITLE_DEFAULTS: SubtitleDefaults = {
  fontSize: 24,
  bottomOffsetPercent: 10,
};

export interface Voice {
  id: string;
  name: string;
  tag: string;
  avatar: string;
  gender: 'male' | 'female' | 'neutral';
  language: string;
}