Update src/streamlit_app.py

src/streamlit_app.py

@@ -1,40 +1,189 @@
-import altair as alt
-import numpy as np
-import pandas as pd
 import streamlit as st
+from PIL import Image
+import os
+import wikipedia
+import requests
 
-"""
-# Welcome to Streamlit!
-
-Edit `/streamlit_app.py` to customize this app to your heart's desire :heart:.
-If you have any questions, checkout our [documentation](https://docs.streamlit.io) and [community
-forums](https://discuss.streamlit.io).
-
-In the meantime, below is an example of what you can do with just a few lines of code:
-"""
-
-num_points = st.slider("Number of points in spiral", 1, 10000, 1100)
-num_turns = st.slider("Number of turns in spiral", 1, 300, 31)
-
-indices = np.linspace(0, 1, num_points)
-theta = 2 * np.pi * num_turns * indices
-radius = indices
-
-x = radius * np.cos(theta)
-y = radius * np.sin(theta)
-
-df = pd.DataFrame({
-    "x": x,
-    "y": y,
-    "idx": indices,
-    "rand": np.random.randn(num_points),
-})
-
-st.altair_chart(alt.Chart(df, height=700, width=700)
-    .mark_point(filled=True)
-    .encode(
-        x=alt.X("x", axis=None),
-        y=alt.Y("y", axis=None),
-        color=alt.Color("idx", legend=None, scale=alt.Scale()),
-        size=alt.Size("rand", legend=None, scale=alt.Scale(range=[1, 150])),
-    ))
+# ===== Session State Initialization =====
+if "logged_in" not in st.session_state:
+    st.session_state.logged_in = False
+if "email" not in st.session_state:
+    st.session_state.email = ""
+
+# ===== Static Data =====
+USERS = {}
+UPLOAD_FOLDER = "uploads"
+if not os.path.exists(UPLOAD_FOLDER):
+    os.makedirs(UPLOAD_FOLDER)
+
+STATES = {
+    "Telangana": ["Hyderabad", "Warangal", "Nizamabad", "Karimnagar", "Khammam"],
+    "Maharashtra": ["Mumbai", "Pune", "Nagpur", "Nashik", "Aurangabad"],
+    "Tamil Nadu": ["Chennai", "Coimbatore", "Madurai", "Tiruchirappalli", "Salem"],
+    "Karnataka": ["Bangalore", "Mysore", "Mangalore", "Hubli", "Belgaum"],
+    "Uttar Pradesh": ["Lucknow", "Varanasi", "Agra", "Kanpur", "Allahabad"],
+    "West Bengal": ["Kolkata", "Darjeeling", "Durgapur", "Siliguri", "Asansol"],
+    "Rajasthan": ["Jaipur", "Udaipur", "Jodhpur", "Bikaner", "Ajmer"],
+    "Gujarat": ["Ahmedabad", "Surat", "Vadodara", "Rajkot", "Bhavnagar"],
+    "Andhra Pradesh": ["Visakhapatnam", "Vijayawada", "Guntur", "Tirupati", "Kurnool"],
+}
+
+# ===== Helper Functions =====
+def save_uploaded_file(uploaded_file):
+    path = os.path.join(UPLOAD_FOLDER, uploaded_file.name)
+    with open(path, "wb") as f:
+        f.write(uploaded_file.getbuffer())
+    return path
+
+def recognize_place(image_file):
+    name = image_file.name.lower()
+    keywords_map = {
+        "charminar": "Charminar",
+        "taj": "Taj Mahal",
+        "gateway": "Gateway of India",
+        "qutub": "Qutub Minar",
+        "mysore": "Mysore Palace",
+        "hampi": "Hampi",
+        "konark": "Konark Sun Temple",
+        "varanasi": "Varanasi",
+        "madurai": "Meenakshi Temple",
+        "ajanta": "Ajanta Caves",
+        "ellora": "Ellora Caves",
+    }
+    for kw, place in keywords_map.items():
+        if kw in name:
+            return place
+    return None
+
+def fetch_wikipedia_summary(title, lang="en"):
+    try:
+        wikipedia.set_lang(lang)
+        summary = wikipedia.summary(title, sentences=4)
+        return summary
+    except wikipedia.exceptions.DisambiguationError as e:
+        return f"Multiple results found for '{title}': {e.options}"
+    except wikipedia.exceptions.PageError:
+        return f"No Wikipedia page found for '{title}' in selected language."
+    except Exception as e:
+        return f"Error fetching summary: {str(e)}"
+
+# ===== Auth Pages =====
+def signup():
+    st.header("🚀 Signup")
+    name = st.text_input("Name")
+    email = st.text_input("Email (Gmail)")
+    contact = st.text_input("Contact Number")
+    if st.button("Sign Up"):
+        if email in USERS:
+            st.error("User already exists, please login.")
+            return
+        USERS[email] = {"name": name, "email": email, "contact": contact}
+        st.success(f"User {name} registered! Please verify OTP sent to your email (simulated).")
+        st.session_state["otp_sent_to"] = email
+        st.session_state["otp_verified"] = False
+
+def login():
+    st.header("🔐 Login")
+    email = st.text_input("Email")
+    if st.button("Send OTP"):
+        if email in USERS:
+            st.session_state["otp_sent_to"] = email
+            st.session_state["otp_verified"] = False
+            st.info("OTP sent (simulated). Please enter OTP below.")
+        else:
+            st.error("Email not found. Please sign up first.")
+
+def verify_otp():
+    st.header("🔑 OTP Verification")
+    otp = st.text_input("Enter OTP (use 1234 for demo)", type="password")
+    if st.button("Verify OTP"):
+        if otp == "1234" and st.session_state.get("otp_sent_to"):
+            st.session_state.logged_in = True
+            st.session_state.email = st.session_state["otp_sent_to"]
+            st.success("OTP verified! Logged in successfully.")
+        else:
+            st.error("Incorrect OTP or no OTP sent.")
+
+def logout():
+    st.session_state.logged_in = False
+    st.session_state.email = ""
+    st.success("Logged out successfully.")
+
+# ===== UI Styling =====
+st.set_page_config(page_title="Gyana Vedika v2", layout="wide")
+st.markdown("""
+<style>
+.stButton>button {background-color: #008080; color: white; font-weight: bold; border-radius:10px;}
+.stTextInput>div>input, .stSelectbox>div>div>select, .stTextArea>div>textarea {
+  border: 2px solid #008080 !important; border-radius: 8px !important;
+}
+h1, h2, h3, h4, h5, h6 {
+  color: #004d4d;
+}
+</style>
+""", unsafe_allow_html=True)
+
+# ===== Main App Logic =====
+if not st.session_state.logged_in:
+    page = st.sidebar.selectbox("Choose", ["Login", "Signup", "Verify OTP"])
+    if page == "Login":
+        login()
+    elif page == "Signup":
+        signup()
+    else:
+        verify_otp()
+else:
+    st.sidebar.success(f"Logged in as {st.session_state.email}")
+    if st.sidebar.button("Logout"):
+        logout()
+
+    st.title("📚 Gyana Vedika - Cultural Explorer v2")
+
+    state = st.selectbox("Select State", list(STATES.keys()))
+    district = st.selectbox("Select District", STATES[state])
+
+    st.subheader(f"Explore {district}, {state}")
+
+    uploaded_image = st.file_uploader("Upload an image of a cultural/historical place", type=["png", "jpg", "jpeg"])
+
+    recognized_place = None
+    if uploaded_image:
+        st.image(uploaded_image, caption="Uploaded Image", use_column_width=True)
+        recognized_place = recognize_place(uploaded_image)
+        if recognized_place:
+            st.success(f"Recognized Place: {recognized_place}")
+        else:
+            st.warning("Could not recognize place. Try renaming the image file with landmark name, e.g., charminar.jpg")
+
+    st.markdown("### Or manually enter place name to search info")
+    manual_place = st.text_input("Enter place name")
+
+    place_to_search = recognized_place or manual_place.strip()
+
+    if place_to_search:
+        language = st.selectbox("Select Wikipedia summary language", ["English", "Hindi", "Telugu", "Tamil", "Marathi", "Bengali"], key="lang2")
+        lang_codes = {"English": "en", "Hindi": "hi", "Telugu": "te", "Tamil": "ta", "Marathi": "mr", "Bengali": "bn"}
+        lang_code = lang_codes.get(language, "en")
+        with st.spinner(f"Fetching Wikipedia summary for {place_to_search} in {language}..."):
+            summary = fetch_wikipedia_summary(place_to_search, lang=lang_code)
+            st.markdown(f"### Summary of {place_to_search}")
+            st.write(summary)
+
+    st.markdown("---")
+    st.subheader("Feedback about this place")
+    feedback_text = st.text_area("Share your experience or info about this place")
+    uploaded_images = st.file_uploader("Upload Images", type=["png", "jpg", "jpeg"], accept_multiple_files=True, key="fb_images")
+    uploaded_audio = st.file_uploader("Upload Audio", type=["mp3", "wav"], accept_multiple_files=True, key="fb_audio")
+    uploaded_videos = st.file_uploader("Upload Videos", type=["mp4", "mov", "avi"], accept_multiple_files=True, key="fb_videos")
+
+    if st.button("Submit Feedback"):
+        feedback_folder = os.path.join(UPLOAD_FOLDER, "feedback")
+        if not os.path.exists(feedback_folder):
+            os.makedirs(feedback_folder)
+        saved_files = []
+        for file_list in [uploaded_images, uploaded_audio, uploaded_videos]:
+            if file_list:
+                for f in file_list:
+                    path = save_uploaded_file(f)
+                    saved_files.append(path)
+        st.success("Thank you for your feedback and uploads!")