"""
Streaming Configuration for Research Paper Generator with Yield Support and AStream

This file contains all the streaming settings that can be modified at runtime.
Adjust these values to control the streaming behavior, yield processing, and AStream functionality.
"""

# =============================================================================
# STREAMING SPEED CONFIGURATION
# =============================================================================

# Delay between tokens (in seconds)
# - 0.0 = Instant (no delay)
# - 0.01 = Fast (10ms delay)
# - 0.05 = Medium (50ms delay) - default
# - 0.1 = Slow (100ms delay)
# - 0.2 = Very Slow (200ms delay)
STREAM_DELAY = 0.05

# =============================================================================
# YIELD GENERATOR CONFIGURATION
# =============================================================================

# Chunk sizes for different processing steps
YIELD_CHUNK_SIZES = {
    "topic_analyzer": 50,        # Small chunks for topic analysis
    "research_retriever": 100,   # Medium chunks for research notes
    "outline_builder": 75,       # Medium chunks for outline
    "outline_revision": 75,      # Medium chunks for outline revision
    "draft_writer": 150,         # Larger chunks for draft writing
    "bibliography_generator": 100 # Medium chunks for bibliography
}

# Token chunk size for LLM streaming
TOKEN_CHUNK_SIZE = 50

# Progress update frequency (number of chunks between progress updates)
PROGRESS_UPDATE_FREQUENCY = 5

# Enable yield-based processing
ENABLE_YIELD_PROCESSING = True

# =============================================================================
# ASTREAM CONFIGURATION
# =============================================================================

# Enable AStream processing
ENABLE_ASTREAM_PROCESSING = True

# AStream chunk sizes for different processing steps
ASTREAM_CHUNK_SIZES = {
    "topic_analyzer": 25,        # Smaller chunks for faster AStream
    "research_retriever": 50,    # Medium chunks for research notes
    "outline_builder": 40,       # Medium chunks for outline
    "outline_revision": 40,      # Medium chunks for outline revision
    "draft_writer": 75,          # Larger chunks for draft writing
    "bibliography_generator": 50 # Medium chunks for bibliography
}

# AStream processing delay (seconds)
ASTREAM_DELAY = 0.01

# AStream buffer size for token accumulation
ASTREAM_BUFFER_SIZE = 100

# Enable AStream real-time processing
ASTREAM_REALTIME = True

# AStream event frequency (show events every N tokens)
ASTREAM_EVENT_FREQUENCY = 10

# =============================================================================
# STEP-SPECIFIC STREAMING CONFIGURATION
# =============================================================================

# Enable/disable streaming for different workflow steps
STREAMING_CONFIG = {
    "enabled": True,  # Set to False to disable all streaming
    
    # Individual step controls
    "show_topic_analysis": False,      # Usually too short to stream
    "show_research_retrieval": False,  # Usually too short to stream  
    "show_outline_building": True,     # Show outline generation
    "show_outline_revision": True,     # Show outline revision
    "show_draft_writing": True,        # Show draft generation
    "show_bibliography": False,        # Usually too short to stream
    
    # Advanced settings
    "show_progress_bars": True,        # Show progress indicators
    "show_word_counts": True,          # Show word counts for completed steps
    "show_previews": True,             # Show result previews
    "show_chunks": True,               # Show chunk processing
    "show_yield_events": True,         # Show yield generator events
    "show_astream": True,              # NEW: Show AStream events
    "show_astream_tokens": False,      # NEW: Show individual AStream tokens
    "show_astream_chunks": True,       # NEW: Show AStream chunks
}

# =============================================================================
# PRESET CONFIGURATIONS
# =============================================================================

# Fast streaming preset (minimal delays)
FAST_STREAMING = {
    "stream_delay": 0.01,
    "show_topic_analysis": False,
    "show_research_retrieval": False,
    "show_outline_building": True,
    "show_outline_revision": True,
    "show_draft_writing": True,
    "show_bibliography": False,
    "show_chunks": True,
    "show_yield_events": True,
    "show_astream": True,
    "show_astream_tokens": False,
    "show_astream_chunks": True,
}

# Slow streaming preset (for demonstration)
SLOW_STREAMING = {
    "stream_delay": 0.1,
    "show_topic_analysis": True,
    "show_research_retrieval": True,
    "show_outline_building": True,
    "show_outline_revision": True,
    "show_draft_writing": True,
    "show_bibliography": True,
    "show_chunks": True,
    "show_yield_events": True,
    "show_astream": True,
    "show_astream_tokens": True,
    "show_astream_chunks": True,
}

# No streaming preset (for batch processing)
NO_STREAMING = {
    "enabled": False,
    "stream_delay": 0.0,
    "show_chunks": False,
    "show_yield_events": False,
    "show_astream": False,
    "show_astream_tokens": False,
    "show_astream_chunks": False,
}

# Yield-focused preset (emphasizes chunk processing)
YIELD_STREAMING = {
    "stream_delay": 0.02,
    "show_topic_analysis": True,
    "show_research_retrieval": True,
    "show_outline_building": True,
    "show_outline_revision": True,
    "show_draft_writing": True,
    "show_bibliography": True,
    "show_chunks": True,
    "show_yield_events": True,
    "show_astream": True,
    "show_astream_tokens": False,
    "show_astream_chunks": True,
    "chunk_sizes": {
        "topic_analyzer": 25,
        "research_retriever": 50,
        "outline_builder": 40,
        "outline_revision": 40,
        "draft_writer": 75,
        "bibliography_generator": 50
    }
}

# NEW: AStream-focused preset (emphasizes async streaming)
ASTREAM_STREAMING = {
    "stream_delay": 0.005,
    "show_topic_analysis": True,
    "show_research_retrieval": True,
    "show_outline_building": True,
    "show_outline_revision": True,
    "show_draft_writing": True,
    "show_bibliography": True,
    "show_chunks": True,
    "show_yield_events": True,
    "show_astream": True,
    "show_astream_tokens": True,
    "show_astream_chunks": True,
    "astream_delay": 0.005,
    "astream_realtime": True,
    "astream_event_frequency": 5,
    "chunk_sizes": {
        "topic_analyzer": 15,
        "research_retriever": 30,
        "outline_builder": 25,
        "outline_revision": 25,
        "draft_writer": 50,
        "bibliography_generator": 30
    }
}

# =============================================================================
# HELPER FUNCTIONS
# =============================================================================

def get_streaming_config(preset=None):
    """
    Get streaming configuration with optional preset
    
    Args:
        preset (str): 'fast', 'slow', 'none', 'yield', 'astream', or None for default
        
    Returns:
        dict: Streaming configuration
    """
    if preset == "fast":
        return {**STREAMING_CONFIG, **FAST_STREAMING}
    elif preset == "slow":
        return {**STREAMING_CONFIG, **SLOW_STREAMING}
    elif preset == "none":
        return {**STREAMING_CONFIG, **NO_STREAMING}
    elif preset == "yield":
        return {**STREAMING_CONFIG, **YIELD_STREAMING}
    elif preset == "astream":
        return {**STREAMING_CONFIG, **ASTREAM_STREAMING}
    else:
        return {**STREAMING_CONFIG, "stream_delay": STREAM_DELAY}

def get_chunk_size(step_name: str, preset: str = None) -> int:
    """
    Get chunk size for a specific step
    
    Args:
        step_name: Name of the processing step
        preset: Optional preset name
        
    Returns:
        int: Chunk size for the step
    """
    if preset == "yield":
        return YIELD_STREAMING.get("chunk_sizes", {}).get(step_name, 50)
    elif preset == "astream":
        return ASTREAM_STREAMING.get("chunk_sizes", {}).get(step_name, 30)
    else:
        return YIELD_CHUNK_SIZES.get(step_name, 100)

def get_astream_chunk_size(step_name: str, preset: str = None) -> int:
    """
    Get AStream chunk size for a specific step
    
    Args:
        step_name: Name of the processing step
        preset: Optional preset name
        
    Returns:
        int: AStream chunk size for the step
    """
    if preset == "astream":
        return ASTREAM_STREAMING.get("chunk_sizes", {}).get(step_name, 30)
    else:
        return ASTREAM_CHUNK_SIZES.get(step_name, 50)

def is_yield_enabled(preset: str = None) -> bool:
    """
    Check if yield processing is enabled
    
    Args:
        preset: Optional preset name
        
    Returns:
        bool: True if yield processing is enabled
    """
    if preset == "none":
        return False
    return ENABLE_YIELD_PROCESSING

def is_astream_enabled(preset: str = None) -> bool:
    """
    Check if AStream processing is enabled
    
    Args:
        preset: Optional preset name
        
    Returns:
        bool: True if AStream processing is enabled
    """
    if preset == "none":
        return False
    return ENABLE_ASTREAM_PROCESSING

def get_astream_config(preset: str = None) -> dict:
    """
    Get AStream-specific configuration
    
    Args:
        preset: Optional preset name
        
    Returns:
        dict: AStream configuration
    """
    base_config = {
        "enabled": ENABLE_ASTREAM_PROCESSING,
        "delay": ASTREAM_DELAY,
        "buffer_size": ASTREAM_BUFFER_SIZE,
        "realtime": ASTREAM_REALTIME,
        "event_frequency": ASTREAM_EVENT_FREQUENCY
    }
    
    if preset == "astream":
        return {**base_config, **ASTREAM_STREAMING}
    else:
        return base_config

def print_streaming_help():
    """Print help information about streaming configuration"""
    print("\n" + "="*60)
    print("STREAMING CONFIGURATION HELP")
    print("="*60)
    print("To modify streaming behavior, edit streaming_config.py:")
    print()
    print("1. Change STREAM_DELAY for speed control:")
    print("   - 0.0 = Instant")
    print("   - 0.05 = Medium (default)")
    print("   - 0.1 = Slow")
    print()
    print("2. Enable/disable steps in STREAMING_CONFIG:")
    print("   - show_topic_analysis: True/False")
    print("   - show_outline_building: True/False")
    print("   - show_draft_writing: True/False")
    print("   - show_chunks: True/False")
    print("   - show_yield_events: True/False")
    print("   - show_astream: True/False")
    print("   - show_astream_tokens: True/False")
    print("   - show_astream_chunks: True/False")
    print()
    print("3. Configure yield processing:")
    print("   - YIELD_CHUNK_SIZES: Control chunk sizes per step")
    print("   - ENABLE_YIELD_PROCESSING: Enable/disable yield generators")
    print("   - TOKEN_CHUNK_SIZE: Control token chunking")
    print()
    print("4. Configure AStream processing:")
    print("   - ENABLE_ASTREAM_PROCESSING: Enable/disable AStream")
    print("   - ASTREAM_CHUNK_SIZES: Control AStream chunk sizes")
    print("   - ASTREAM_DELAY: Control AStream processing delay")
    print("   - ASTREAM_REALTIME: Enable real-time AStream processing")
    print()
    print("5. Use presets in main.py:")
    print("   - streaming_config = get_streaming_config('fast')")
    print("   - streaming_config = get_streaming_config('slow')")
    print("   - streaming_config = get_streaming_config('none')")
    print("   - streaming_config = get_streaming_config('yield')")
    print("   - streaming_config = get_streaming_config('astream')")
    print()
    print("6. Yield Generator Features:")
    print("   - Progressive text processing")
    print("   - Memory-efficient streaming")
    print("   - Real-time chunk updates")
    print("   - Configurable chunk sizes")
    print()
    print("7. AStream Features:")
    print("   - Async streaming with better performance")
    print("   - Real-time token processing")
    print("   - Configurable async delays")
    print("   - Buffer-based token accumulation")
    print("="*60)