#!/usr/bin/env -S uv run --script
# /// script
# requires-python = ">=3.11"
# dependencies = [
#     "python-dotenv",
# ]
# ///

import argparse
import json
import os
import random
import subprocess
import sys
from pathlib import Path

try:
    from dotenv import load_dotenv

    load_dotenv()
except ImportError:
    pass  # dotenv is optional


def get_completion_messages():
    """Return list of friendly completion messages."""
    return [
        "Work complete!",
        "All done!",
        "Task finished!",
        "Job complete!",
        "Ready for next task!",
    ]


def get_tts_script_path():
    """
    Determine which TTS script to use based on available API keys.
    Priority order: ElevenLabs > OpenAI > pyttsx3
    """
    # Get current script directory and construct utils/tts path
    script_dir = Path(__file__).parent
    tts_dir = script_dir / "utils" / "tts"

    # Check for ElevenLabs API key (highest priority)
    if os.getenv("ELEVENLABS_API_KEY"):
        elevenlabs_script = tts_dir / "elevenlabs_tts.py"
        if elevenlabs_script.exists():
            return str(elevenlabs_script)

    # Check for OpenAI API key (second priority)
    if os.getenv("OPENAI_API_KEY"):
        openai_script = tts_dir / "openai_tts.py"
        if openai_script.exists():
            return str(openai_script)

    # Fall back to pyttsx3 (no API key required)
    pyttsx3_script = tts_dir / "pyttsx3_tts.py"
    if pyttsx3_script.exists():
        return str(pyttsx3_script)

    return None


def get_llm_completion_message():
    """
    Generate completion message using available LLM services.
    Priority order: OpenAI > Anthropic > fallback to random message

    Returns:
        str: Generated or fallback completion message
    """
    # Get current script directory and construct utils/llm path
    script_dir = Path(__file__).parent
    llm_dir = script_dir / "utils" / "llm"

    # Try OpenAI first (highest priority)
    if os.getenv("OPENAI_API_KEY"):
        oai_script = llm_dir / "oai.py"
        if oai_script.exists():
            try:
                result = subprocess.run(
                    ["uv", "run", str(oai_script), "--completion"],
                    capture_output=True,
                    text=True,
                    timeout=10,
                )
                if result.returncode == 0 and result.stdout.strip():
                    return result.stdout.strip()
            except (subprocess.TimeoutExpired, subprocess.SubprocessError):
                pass

    # Try Anthropic second
    if os.getenv("ANTHROPIC_API_KEY"):
        anth_script = llm_dir / "anth.py"
        if anth_script.exists():
            try:
                result = subprocess.run(
                    ["uv", "run", str(anth_script), "--completion"],
                    capture_output=True,
                    text=True,
                    timeout=10,
                )
                if result.returncode == 0 and result.stdout.strip():
                    return result.stdout.strip()
            except (subprocess.TimeoutExpired, subprocess.SubprocessError):
                pass

    # Fallback to random predefined message
    messages = get_completion_messages()
    return random.choice(messages)


def announce_completion():
    """Announce completion using the best available TTS service."""
    try:
        tts_script = get_tts_script_path()
        if not tts_script:
            return  # No TTS scripts available

        # Get completion message (LLM-generated or fallback)
        completion_message = get_llm_completion_message()

        # Call the TTS script with the completion message
        subprocess.run(
            ["uv", "run", tts_script, completion_message],
            capture_output=True,  # Suppress output
            timeout=10,  # 10-second timeout
        )

    except (subprocess.TimeoutExpired, subprocess.SubprocessError, FileNotFoundError):
        # Fail silently if TTS encounters issues
        pass
    except Exception:
        # Fail silently for any other errors
        pass


def main():
    try:
        # Parse command line arguments
        parser = argparse.ArgumentParser()
        parser.add_argument(
            "--chat", action="store_true", help="Copy transcript to chat.json"
        )
        args = parser.parse_args()

        # Read JSON input from stdin
        input_data = json.load(sys.stdin)

        # Extract required fields
        session_id = input_data.get("session_id", "")
        stop_hook_active = input_data.get("stop_hook_active", False)

        # Ensure log directory exists
        log_dir = os.path.join(os.getcwd(), "logs")
        os.makedirs(log_dir, exist_ok=True)
        log_path = os.path.join(log_dir, "stop.json")

        # Read existing log data or initialize empty list
        if os.path.exists(log_path):
            with open(log_path) as f:
                try:
                    log_data = json.load(f)
                except (json.JSONDecodeError, ValueError):
                    log_data = []
        else:
            log_data = []

        # Append new data
        log_data.append(input_data)

        # Write back to file with formatting
        with open(log_path, "w") as f:
            json.dump(log_data, f, indent=2)

        # Handle --chat switch
        if args.chat and "transcript_path" in input_data:
            transcript_path = input_data["transcript_path"]
            if os.path.exists(transcript_path):
                # Read .jsonl file and convert to JSON array
                chat_data = []
                try:
                    with open(transcript_path) as f:
                        for line in f:
                            line = line.strip()
                            if line:
                                try:
                                    chat_data.append(json.loads(line))
                                except json.JSONDecodeError:
                                    pass  # Skip invalid lines

                    # Write to logs/chat.json
                    chat_file = os.path.join(log_dir, "chat.json")
                    with open(chat_file, "w") as f:
                        json.dump(chat_data, f, indent=2)
                except Exception:
                    pass  # Fail silently

        # Announce completion via TTS
        announce_completion()

        sys.exit(0)

    except json.JSONDecodeError:
        # Handle JSON decode errors gracefully
        sys.exit(0)
    except Exception:
        # Handle any other errors gracefully
        sys.exit(0)


if __name__ == "__main__":
    main()