# ui/streamlit_app/pages/EmailViewer.py
import streamlit as st

def fetch_emails():
    # TODO: Replace with real DB call
    return [
        {
            "Subject": "Welcome to our platform!",
            "From": "noreply@example.com",
            "Summary": "Intro to the platform and features.",
            "Labels": ["promo"],
            "Date": "2025-03-27",
        },
        {
            "Subject": "Your invoice is ready",
            "From": "billing@example.com",
            "Summary": "Invoice for your recent purchase.",
            "Labels": ["finance"],
            "Date": "2025-03-25",
        },
    ]

def run():
    st.title("📧 Email Viewer")
    st.markdown("A simple, readable inbox-style layout.")

    st.markdown("## 📬 Emails")

    emails = fetch_emails()

    for email in emails:
        with st.container():
            st.markdown(f"### {email['Subject']}")
            col1, col2 = st.columns([4, 1])
            with col1:
                st.markdown(f"**From:** {email['From']}")
                st.markdown(f"*{email['Summary']}*")
                st.markdown("Labels: " + " ".join([f"`{label}`" for label in email["Labels"]]))
            with col2:
                st.markdown(f"📅 {email['Date']}")

            st.markdown("---")

if __name__ == "__main__":
    run()