"""Sidebar component with persona selection and system status."""

import streamlit as st
from config import APP_NAME, APP_VERSION, PERSONAS
from data.synthetic import get_staff_metrics


def render_sidebar() -> str:
    """Render the sidebar and return the selected persona key."""
    with st.sidebar:
        st.markdown(
            f"<h2 style='color:#38bdf8; margin-bottom:0;'>{APP_NAME}</h2>"
            f"<p style='color:#64748b; font-size:0.75rem;'>v{APP_VERSION} | HIPAA-Safe Demo</p>",
            unsafe_allow_html=True,
        )
        st.divider()

        # Persona selector
        persona_labels = {v["label"]: k for k, v in PERSONAS.items()}
        selected_label = st.selectbox(
            "Switch Workspace",
            options=list(persona_labels.keys()),
            format_func=lambda x: f"{PERSONAS[persona_labels[x]]['icon']} {x}",
        )
        persona_key = persona_labels[selected_label]

        st.caption(PERSONAS[persona_key]["description"])
        st.divider()

        # System status
        st.markdown("**System Status**")
        staff = get_staff_metrics()
        st.metric(
            "Admin Burden Reduced",
            f"{staff['paperwork_mins_saved_today']} mins",
            staff["avg_documentation_time_delta"],
        )
        st.success("QHIN Pipeline: Active", icon="✅")
        st.info("Agent Swarm: 6 Agents Online", icon="🤖")

        st.divider()

        # Compliance badges
        st.markdown("**Compliance**")
        st.markdown(
            '<span class="alert-badge alert-low">HIPAA Compliant</span> '
            '<span class="alert-badge alert-low">SOC 2 Type II</span>',
            unsafe_allow_html=True,
        )

        st.divider()
        st.caption(
            "All data shown is synthetic and for demonstration purposes only. "
            "No real PHI/PII is used in this application."
        )

    return persona_key