import logging
from src.config import settings
from src.agent.graph import create_agent
from src.ui import create_ui
from langgraph.checkpoint.postgres import PostgresSaver

logging.basicConfig(
    level=logging.DEBUG if settings.debug else logging.INFO,
    format="%(asctime)s [%(name)-12s] %(levelname)-7s %(message)s",
    datefmt="%H:%M:%S",
)
# Quiet noisy third-party loggers
for name in ("httpx", "httpcore", "urllib3", "hf_transfer", "gradio", "uvicorn",
              "openai", "anthropic", "google", "google.auth", "google.generativeai",
              "matplotlib", "psycopg", "psycopg.pool"):
    logging.getLogger(name).setLevel(logging.WARNING)

logger = logging.getLogger("cashy.main")


def main():
    provider = settings.resolved_provider
    model_name = settings.model_name or "default"
    logger.info("Mode:     %s", settings.app_mode)
    if provider:
        logger.info("LLM:      %s (%s)", provider, model_name)
    else:
        logger.warning("LLM:      No API key configured — user must provide one via UI")
    logger.info("Database: %s@%s:%s", settings.resolved_db_name, settings.db_host[:8] + "...", settings.db_port)

    with PostgresSaver.from_conn_string(settings.database_url) as checkpointer:
        checkpointer.setup()
        logger.info("Checkpoint tables ready")

        agent = create_agent(checkpointer=checkpointer)
        logger.info("Agent graph compiled")

        demo, theme = create_ui(agent)
        logger.info("Launching Gradio on http://localhost:7860")
        demo.launch(server_name="0.0.0.0", server_port=7860, theme=theme)


if __name__ == "__main__":
    main()