# Not implemented. Stubs only

from typing import List, Optional

from tnh_scholar.audio_processing.audio.timed_text import (
    TimedTextUnit,
)


class VTTConfig:
    """Configuration options for WebVTT processing."""
    
    def __init__(
        self,
        include_speaker: bool = False,
        speaker_format: str = "<v {speaker}>{text}",
        reindex_entries: bool = False,
        timestamp_format: str = "{:02d}:{:02d}:{:02d}.{:03d}",
        max_chars_per_line: int = 42
    ):
        """
        Initialize with default settings.
        
        Args:
            include_speaker: Whether to include speaker labels in output
            speaker_format: Format string for speaker attribution
            reindex_entries: Whether to reindex entries sequentially
            timestamp_format: Format string for timestamp formatting
            max_chars_per_line: Maximum characters per line before splitting
        """
        self.include_speaker = include_speaker
        self.speaker_format = speaker_format
        self.reindex_entries = reindex_entries
        self.timestamp_format = timestamp_format
        self.max_chars_per_line = max_chars_per_line
        
        
class VTTProcessor:
    """Handles parsing and generating WebVTT format."""
    
    def __init__(self, config: Optional[VTTConfig] = None):
        """
        Initialize with optional configuration.
        
        Args:
            config: Configuration options for VTT processing
        """
        self.config = config or VTTConfig()
    
    def parse(self, vtt_content: str) -> List[TimedTextUnit]:
        """
        Parse VTT content into a list of TimedUnit objects.
        
        Args:
            vtt_content: String containing VTT formatted content
            
        Returns:
            List of TimedUnit objects
        """
        # Implementation will go here
        raise NotImplementedError("Not implemented.")
    
    def generate(self, timed_texts: List[TimedTextUnit]) -> str:
        """
        Generate VTT content from a list of TimedUnit objects.
        
        Args:
            timed_texts: List of TimedUnit objects
            
        Returns:
            String containing VTT formatted content
        """
        # Implementation will go here
        raise NotImplementedError("Not implemented.")
