streamlit_app.py

"""TrialPath — AI-powered clinical trial matching for NSCLC patients.

Entrypoint: multipage Streamlit app with st.navigation.
"""

import logging  # noqa: E402
import sys  # noqa: E402

from dotenv import load_dotenv

load_dotenv()

# Configure stdlib logging FIRST so all loggers (pipeline, services) are captured
logging.basicConfig(
    level=logging.INFO,
    format="%(asctime)s %(levelname)s %(name)s: %(message)s",
    stream=sys.stderr,
    force=True,
)

import structlog  # noqa: E402

structlog.configure(
    processors=[
        structlog.stdlib.add_log_level,
        structlog.stdlib.add_logger_name,
        structlog.processors.TimeStamper(fmt="iso"),
        structlog.processors.StackInfoRenderer(),
        structlog.processors.format_exc_info,
        structlog.processors.JSONRenderer(),
    ],
    wrapper_class=structlog.stdlib.BoundLogger,
    context_class=dict,
    logger_factory=structlog.stdlib.LoggerFactory(),
    cache_logger_on_first_use=True,
)

import streamlit as st  # noqa: E402

from app.components.disclaimer_banner import DISCLAIMER_TEXT  # noqa: E402
from app.components.progress_tracker import render_progress_tracker  # noqa: E402
from app.services.state_manager import get_current_journey_state, init_session_state  # noqa: E402

st.set_page_config(
    page_title="TrialPath",
    page_icon=":material/medical_services:",
    layout="wide",
)

init_session_state()

pages = {
    "Patient Journey": [
        st.Page("app/pages/1_upload.py", title="Upload Documents", icon=":material/upload_file:"),
        st.Page("app/pages/2_profile_review.py", title="Review Profile", icon=":material/person:"),
        st.Page("app/pages/3_trial_matching.py", title="Trial Matching", icon=":material/search:"),
        st.Page("app/pages/4_gap_analysis.py", title="Gap Analysis", icon=":material/analytics:"),
        st.Page("app/pages/5_summary.py", title="Summary & Export", icon=":material/summarize:"),
    ]
}

nav = st.navigation(pages)

# Shared sidebar
with st.sidebar:
    st.info(DISCLAIMER_TEXT)
    st.markdown("### Journey Progress")
    state = get_current_journey_state()
    tracker = render_progress_tracker(state)
    for step in tracker["steps"]:
        if step["status"] == "completed":
            st.markdown(f"~~{step['label']}~~")
        elif step["status"] == "current":
            st.markdown(f"**> {step['label']}**")
        else:
            st.markdown(f"  {step['label']}")

nav.run()