# -*- coding: utf-8 -*-
"""
Core modules for Piano Highlight Generator App

Exports video processing, subtitle processing, LLM client, and utilities
"""

from .video import extract_clip, merge_clips, burn_subtitles, burn_dual_subtitles, VideoPipeline
from .subtitle import SubtitleTrack, SubtitlePipeline
from .llm import LLMClient
from .corrections import apply_all_corrections, load_term_corrections_from_config
from .pipeline import Pipeline, create_pipeline_from_yaml
from .ppt_parser import PPTParser, parse_ppt_to_config
from .utils import run_cmd, to_srt_time, ensure_dir
from .constants import FFMPEG_CMD, FFPROBE_CMD, DEFAULT_API_HOST, DEFAULT_OUTPUT_DIR, WHISPER_MODEL_PATH
from .errors import (
    PianoAppError, APIError, APIKeyError, APIRateLimitError, APITimeoutError,
    FileError, FileNotFoundError, FilePermissionError, DiskSpaceError,
    VideoError, VideoNotFoundError, VideoCodecError, FFmpegNotFoundError, SubtitleBurnError,
    ErrorHandler, get_error_handler, handle_error, get_user_message, USER_MESSAGES
)