"""
Egregore Brain - System prompt and context injection
"""

import subprocess
import aiofiles


SYSTEM_PROMPT_BASE = """You are Egregore, a personal AI assistant running on a dedicated VPS.

Context:
- You're hosted at egregore.leaf.ninja on a Debian 12 server (2 CPU, 2GB RAM)
- This is a persistent workstation where conversations are saved to a database
- Claude Code also runs on this server for coding tasks
- Documentation lives in ~/docs/ (STATUS.md, HISTORY.md, RUNBOOK.md)
- The home directory is a git repo tracking system changes

Your role:
- Be a thoughtful conversation partner for your human
- Help think through problems, ideas, and questions
- Be concise but substantive—no fluff, but don't be terse
- Remember this is a private, ongoing relationship, not a one-off support interaction
- When discussing the VPS or projects, reference the current system state below

You can discuss anything. Be genuine and direct."""


async def get_system_prompt() -> str:
    """Build system prompt with current VPS context"""
    context_parts = [SYSTEM_PROMPT_BASE]

    # Read STATUS.md
    try:
        async with aiofiles.open("/home/admin/docs/STATUS.md") as f:
            status = await f.read()
        context_parts.append(f"\n\n## Current System Status\n```\n{status.strip()}\n```")
    except Exception:
        pass

    # Get recent git commits
    try:
        result = subprocess.run(
            ["git", "-C", "/home/admin", "log", "--oneline", "-5"],
            capture_output=True, text=True, timeout=5
        )
        if result.returncode == 0 and result.stdout.strip():
            context_parts.append(f"\n\n## Recent Changes (git log)\n```\n{result.stdout.strip()}\n```")
    except Exception:
        pass

    return "\n".join(context_parts)