# Dockerfile.agent
# Dockerfile for the Hermes agent worker loop.
FROM python:3.12-slim

LABEL maintainer="Timmy Foundation"
LABEL description="Hermes agent worker for fleet-ops"

# Install system dependencies
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
        curl \
        ca-certificates \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Copy requirements first for layer caching
COPY requirements-agent.txt* ./
RUN if [ -f requirements-agent.txt ]; then \
        pip install --no-cache-dir -r requirements-agent.txt; \
    else \
        pip install --no-cache-dir requests; \
    fi

# Copy agent source if present
COPY agent/ ./agent/

# Health check endpoint (simple script if agent source not provided)
COPY --chmod=755 <<'EOF' /app/healthcheck.sh
#!/bin/sh
# Start a simple health endpoint
exec python3 -c "
import http.server, json, threading, time, os

class Handler(http.server.BaseHTTPRequestHandler):
    def do_GET(self):
        if self.path == '/health':
            self.send_response(200)
            self.send_header('Content-Type', 'application/json')
            self.end_headers()
            self.wfile.write(json.dumps({'status': 'ok', 'agent': os.getenv('AGENT_NAME', 'hermes')}).encode())
        else:
            self.send_response(404)
            self.end_headers()
    def log_message(self, format, *args): pass

s = http.server.HTTPServer(('0.0.0.0', 8080), Handler)
t = threading.Thread(target=s.serve_forever, daemon=True)
t.start()

loop_interval = int(os.getenv('AGENT_LOOP_INTERVAL', '30'))
print(f'Agent loop starting (interval={loop_interval}s)')
while True:
    try:
        print(f'[{os.getenv(\"AGENT_NAME\", \"hermes\")}] tick')
        time.sleep(loop_interval)
    except KeyboardInterrupt:
        break
s.shutdown()
"
EOF

EXPOSE 8080

HEALTHCHECK --interval=30s --timeout=5s --retries=3 \
    CMD curl -sf http://localhost:8080/health || exit 1

CMD ["/app/healthcheck.sh"]