import os

import streamlit as st
from landing import show_landing_content
from agent_manager import AgentManager
from dashboard.logs import show_logs
from stripe_checkout import create_stripe_session
from shopify_client import create_shopify_product

# ────────────────────────────────────────────────────────────────────────────────
# 1. GLOBAL CONFIGURATION
# ────────────────────────────────────────────────────────────────────────────────
st.set_page_config(
    page_title="AutoExec AI",
    page_icon="🚀",
    layout="wide",
    initial_sidebar_state="expanded",
)

# ────────────────────────────────────────────────────────────────────────────────
# 2. NAVIGATION SETUP
# ────────────────────────────────────────────────────────────────────────────────
PAGES = {
    "Home": "🏠 Home",
    "Launch": "🚀 Launch",
    "Logs": "📊 Logs",
    "Settings": "⚙️ Settings"
}

if "current_page" not in st.session_state:
    st.session_state.current_page = "Home"

def render_sidebar() -> str:
    st.sidebar.title("AutoExec AI")
    choice = st.sidebar.radio(
        "Navigate to:",
        options=list(PAGES.values()),
        index=list(PAGES.values()).index(PAGES[st.session_state.current_page]),
        key="nav_radio"
    )
    # reverse‐lookup internal key
    return next(k for k, v in PAGES.items() if v == choice)

st.session_state.current_page = render_sidebar()

# ────────────────────────────────────────────────────────────────────────────────
# 3. PAGE DISPATCHER
# ────────────────────────────────────────────────────────────────────────────────
def main():
    page = st.session_state.current_page
    if page == "Home":
        render_home()
    elif page == "Launch":
        render_launch()
    elif page == "Logs":
        render_logs()
    elif page == "Settings":
        render_settings()
    else:
        st.error("Page not found!")

# ────────────────────────────────────────────────────────────────────────────────
# 4. PAGE RENDERERS
# ────────────────────────────────────────────────────────────────────────────────
def render_home():
    st.markdown(
        """
        <div style="text-align:center; margin:2rem 0;">
            <h1 style="font-size:3rem;">🚀 AutoExec AI</h1>
            <p style="font-size:1.25rem; color:#555;">
                Launch, manage, and optimize AI‑powered businesses with a single click.
            </p>
        </div>
        """,
        unsafe_allow_html=True,
    )
    show_landing_content()

def render_launch():
    st.markdown("## 🚀 Launch a New AI Business")
    with st.form("launch_form"):
        niche = st.text_input(
            "🎯 Niche",
            placeholder="e.g., fitness wear",
            help="Define the market or audience for your business.",
        )
        business_type = st.selectbox(
            "📦 Business Type",
            options=["Dropshipping", "Print-on-Demand", "Newsletter", "Course"],
            help="Select the type of business model to generate.",
        )
        submit = st.form_submit_button("Generate & Deploy")

    if submit:
        if not niche.strip():
            st.warning("Please enter a valid niche.")
            return

        # 1) Run the AI agents
        with st.spinner("🤖 Running AI agents..."):
            manager = AgentManager(niche.strip(), business_type)
            results = manager.run_all()
        st.success("✅ Business Launched Successfully!")
        st.json(results)

        # 2) Publish to Shopify
        st.markdown("### 🛍️ Publishing Product to Shopify")
        product_title = f"{business_type} in {niche}"
        product_desc  = results.get("copy", "")
        price_str     = "49.00"  # default price
        image_url     = None

        try:
            shopify_url = create_shopify_product(
                title=product_title,
                description=product_desc,
                price=price_str,
                image_url=image_url
            )
            st.success("🎉 Product published to Shopify!")
            st.markdown(f"[View your live product →]({shopify_url})")
        except Exception as e:
            st.error(f"❌ Shopify publish failed: {e}")

def render_logs():
    st.markdown("## 📊 Agent Memory Log Dashboard")
    show_logs()

def render_settings():
    st.markdown("## ⚙️ Settings & Billing")
    st.markdown(
        """
        **Ensure the following secrets are set** under  
        Settings → Secrets:
        - `API_KEY`  
        - `OPENAI_API_KEY`  
        - `GEMINI_API_KEY`  
        - `STRIPE_API_KEY`
        """
    )
    if st.button("💳 Create Stripe Checkout Session"):
        session_url = create_stripe_session()
        st.markdown(f"[Proceed to Payment]({session_url})", unsafe_allow_html=True)

# ────────────────────────────────────────────────────────────────────────────────
# 5. FOOTER
# ────────────────────────────────────────────────────────────────────────────────
def render_footer():
    st.markdown("---")
    st.markdown(
        """
        <div style="text-align:center; color:#888; font-size:0.9rem;">
            Powered by Streamlit • FastAPI • Celery • Redis • Hugging Face Spaces
        </div>
        """,
        unsafe_allow_html=True,
    )

# ────────────────────────────────────────────────────────────────────────────────
# ENTRY POINT
# ────────────────────────────────────────────────────────────────────────────────
if __name__ == "__main__":
    main()
    render_footer()