app4.py

import tempfile
import os
import pickle
import streamlit as st
import requests
from datetime import datetime

# استخدام tempfile لإنشاء مجلد مؤقت
with tempfile.TemporaryDirectory() as temp_dir:
    # تعيين المجلد المؤقت كمجلد لتخزين إعدادات Streamlit
    os.environ['STREAMLIT_CONFIG_DIR'] = temp_dir

    # الآن يمكن كتابة البيانات إلى المجلد المؤقت بدلاً من /.streamlit
    st.write(f"Using temporary directory for Streamlit config: {temp_dir}")

    # عرض بيانات معينة للمستخدم
    st.title("Streamlit App with Temporary Directory")
    st.text("This application uses a temporary directory to avoid permission issues.")


# -------------------- General Settings --------------------
st.set_page_config(page_title="🎬 Movie Recommender", page_icon="🎞️", layout="wide")

st.markdown("""
    <style>
        .movie-title {
            text-align: center;
            font-weight: bold;
            font-size: 22px;
        }
        .footer {
            text-align: center;
            font-size: 12px;
            color: grey;
            margin-top: 50px;
        }
    </style>
""", unsafe_allow_html=True)

# -------------------- Load Data --------------------
try:
    movies = pickle.load(open('saved model/movie_list.pkl', 'rb'))
    similarity = pickle.load(open('saved model/similarity.pkl', 'rb'))
except FileNotFoundError:
    st.error("❌ Required data files (movie_list.pkl and similarity.pkl) not found.")
    st.stop()

# -------------------- Helper Functions --------------------
def fetch_poster(movie_id):
    try:
        url = f"https://api.themoviedb.org/3/movie/{movie_id}?api_key=8265bd1679663a7ea12ac168da84d2e8&language=en-US"
        response = requests.get(url)
        data = response.json()
        poster_path = data.get('poster_path')
        return f"https://image.tmdb.org/t/p/w500/{poster_path}" if poster_path else "https://via.placeholder.com/500x750?text=No+Image"
    except:
        return "https://via.placeholder.com/500x750?text=Error"

def fetch_movie_details(movie_id):
    try:
        url = f"https://api.themoviedb.org/3/movie/{movie_id}?api_key=8265bd1679663a7ea12ac168da84d2e8&language=en-US"
        response = requests.get(url)
        data = response.json()
        overview = data.get('overview', 'No overview available.')
        rating = data.get('vote_average', 'No rating')
        release_date = data.get('release_date', 'No release date')
        genres = ', '.join([genre['name'] for genre in data.get('genres', [])])
        return overview, rating, release_date, genres
    except:
        return "No details available.", "No rating", "No release date", "No genres"

def recommend(movie):
    if movie not in movies['title'].values:
        return [], [], []
    index = movies[movies['title'] == movie].index[0]
    distances = sorted(list(enumerate(similarity[index])), reverse=True, key=lambda x: x[1])
    recommended_names = []
    recommended_posters = []
    recommended_ids = []
    for i in distances[1:6]:
        movie_id = movies.iloc[i[0]].movie_id
        recommended_names.append(movies.iloc[i[0]].title)
        recommended_posters.append(fetch_poster(movie_id))
        recommended_ids.append(movie_id)  # حفظ الـ movie_id لتفاصيل الفيلم
    return recommended_names, recommended_posters, recommended_ids

# -------------------- Page 1: Welcome --------------------
def page_1():
    st.markdown("<h1 style='text-align: center;'>🎬 Movie Recommender</h1>", unsafe_allow_html=True)
    st.markdown("<hr>", unsafe_allow_html=True)

    hour = datetime.now().hour
    greeting_time = "Good Morning ☀️" if hour < 12 else "Good Evening 🌙" if hour >= 18 else "Good Afternoon 🌤️"
    st.markdown(f"### {greeting_time}")

    user_name = st.text_input("👤 Enter your name:")
    if st.button("Continue to Movie Selection"):
        if user_name:
            st.session_state.name = user_name
            st.session_state.page = "select_movie"
        else:
            st.warning("Please enter your name first 😊")

# -------------------- Page 2: All-In-One (Select, Rate, Recommend, Details) --------------------
def page_2():
    st.markdown(f"### Hello, {st.session_state.name} 👋", unsafe_allow_html=True)

    movie_list = movies['title'].values
    selected_movie = st.selectbox("🎥 Select a Movie", movie_list)

    rating = st.slider("⭐ Your Rating", 1, 10, 1)
    st.write(f"✅ Your rating: {rating} stars")

    # تهيئة المتغيرات في الجلسة
    if "show_recommendations" not in st.session_state:
        st.session_state.show_recommendations = False
    if "show_details" not in st.session_state:
        st.session_state.show_details = {}

    # أزرار التبديل
    if st.button("🎯 Recommendations"):
        st.session_state.show_recommendations = not st.session_state.show_recommendations

    # عرض التوصيات إذا تم التفعيل
    if st.session_state.show_recommendations:
        with st.spinner("⏳ Fetching recommendations..."):
            names, posters, ids = recommend(selected_movie)
            if names:
                st.markdown(f"### ✅ Recommended Movies Similar to {selected_movie}:")
                cols = st.columns(5)
                for i in range(5):
                    with cols[i]:
                        details_key = f"details_{i}"
                        if details_key not in st.session_state.show_details:
                            st.session_state.show_details[details_key] = False

                        if st.button(f"Show {names[i]} Details", key=details_key):
                            st.session_state.show_details[details_key] = not st.session_state.show_details[details_key]

                        if st.session_state.show_details.get(details_key, False):
                            movie_id = ids[i]
                            overview, vote_avg, release_date, genres = fetch_movie_details(movie_id)
                            st.markdown(f"### 📖 Movie Details, {names[i]}:")
                            st.markdown(f"**Overview**: {overview}")
                            st.markdown(f"**Rating**: {vote_avg}/10")
                            st.markdown(f"**Release Date**: {release_date}")
                            st.markdown(f"**Genres**: {genres}")

                        st.image(posters[i], use_container_width=True)
                        st.markdown(f"<div class='movie-title'>{names[i]}</div>", unsafe_allow_html=True)

            else:
                st.warning("⚠️ No recommendations found.")

# تهيئة حالة إظهار التفاصيل إن لم تكن موجودة
    if "show_selected_details" not in st.session_state:
        st.session_state.show_selected_details = False

# زر التبديل بين عرض/إخفاء التفاصيل
    if st.button(f"📖 Show Details of {selected_movie}"):
       st.session_state.show_selected_details = not st.session_state.show_selected_details

# عرض التفاصيل إذا كانت الحالة مفعّلة
    if st.session_state.show_selected_details:
        movie_id = movies[movies['title'] == selected_movie].movie_id.iloc[0]
        overview, vote_avg, release_date, genres = fetch_movie_details(movie_id)
        st.markdown(f"### 📖 Movie Details, {selected_movie}:")
        st.markdown(f"**Overview**: {overview}")
        st.markdown(f"**Rating**: {vote_avg}/10")
        st.markdown(f"**Release Date**: {release_date}")
        st.markdown(f"**Genres**: {genres}")



    if st.button("🔙 Back"):
        st.session_state.page = "welcome"

# -------------------- Page Navigation --------------------
if 'page' not in st.session_state:
    st.session_state.page = "welcome"

if st.session_state.page == "welcome":
    page_1()
elif st.session_state.page == "select_movie":
    page_2()

# -------------------- Footer --------------------
st.markdown("<hr>", unsafe_allow_html=True)
st.markdown("<div class='footer'>© 2025 • by Youssef • Powered by TMDB API</div>", unsafe_allow_html=True)