app.py

import streamlit as st
from PIL import Image
import os

# Set page configuration
st.set_page_config(
    page_title="Fighter Aircraft Information",
    page_icon="✈️",
    layout="wide"
)

# Aircraft Data Dictionary
aircraft_data = {
    "F-16": {
        "Aircraft Name": "General Dynamics F-16 Fighting Falcon",
        "Image URL": "f16.jpeg",
        "Origin": "United States",
        "Manufacturer": "Lockheed Martin",
        "First Flight": 1974,
        "Introduction": 1979,
        "Role": "Multirole fighter",
        "Variants": "A, B, C, D, E, F",
        "Crew": 1,
        "Length (m)": 15.03,
        "Wingspan (m)": 9.96,
        "Height (m)": 5.09,
        "Max Speed (km/h)": 2414,
        "Range (km)": 3400,
        "Service Ceiling (m)": 15240,
        "Description": "The F-16 is a versatile multirole fighter known for its agility and combat effectiveness."
    },
    "F-35": {
        "Aircraft Name": "Lockheed Martin F-35 Lightning II",
        "Image URL": "f35.jpg",
        "Origin": "United States",
        "Manufacturer": "Lockheed Martin",
        "First Flight": 2006,
        "Introduction": 2015,
        "Role": "Stealth multirole fighter",
        "Variants": "F-35A, F-35B, F-35C",
        "Crew": 1,
        "Length (m)": 15.67,
        "Wingspan (m)": 10.7,
        "Height (m)": 4.33,
        "Max Speed (km/h)": 1930,
        "Range (km)": 2220,
        "Service Ceiling (m)": 18288,
        "Description": "A fifth-generation stealth fighter designed for air superiority and electronic warfare."
    },
    "F-22": {
        "Aircraft Name": "Lockheed Martin F-22 Raptor",
        "Image URL": "f22.jpg",
        "Origin": "United States",
        "Manufacturer": "Lockheed Martin",
        "First Flight": 1997,
        "Introduction": 2005,
        "Role": "Stealth air superiority fighter",
        "Variants": "F-22A",
        "Crew": 1,
        "Length (m)": 18.92,
        "Wingspan (m)": 13.56,
        "Height (m)": 5.08,
        "Max Speed (km/h)": 2414,
        "Range (km)": 2900,
        "Service Ceiling (m)": 20000,
        "Description": "The F-22 Raptor is a stealth fighter known for its maneuverability, speed, and air dominance capabilities."
    },
    "F-15": {
        "Aircraft Name": "McDonnell Douglas F-15 Eagle",
        "Image URL": "f15.jpeg",
        "Origin": "United States",
        "Manufacturer": "McDonnell Douglas (now Boeing)",
        "First Flight": 1972,
        "Introduction": 1976,
        "Role": "Air superiority fighter",
        "Variants": "F-15A, F-15B, F-15C, F-15D, F-15E",
        "Crew": "1 (F-15C/E), 2 (F-15B/D)",
        "Length (m)": 19.43,
        "Wingspan (m)": 13.05,
        "Height (m)": 5.63,
        "Max Speed (km/h)": 3000,
        "Range (km)": 4445,
        "Service Ceiling (m)": 18000,
        "Description": "The F-15 Eagle is an all-weather tactical fighter designed for air superiority."
    },
    "JF-17": {
        "Aircraft Name": "PAC JF-17 Thunder",
        "Image URL": "jf17.jpeg",
        "Origin": "Pakistan/China",
        "Manufacturer": "PAC / CAC",
        "First Flight": 2003,
        "Introduction": 2007,
        "Role": "Multirole fighter",
        "Variants": "Block 1, Block 2, Block 3",
        "Crew": 1,
        "Length (m)": 14.3,
        "Wingspan (m)": 9.92,
        "Height (m)": 4.77,
        "Max Speed (km/h)": 1900,
        "Range (km)": 2000,
        "Service Ceiling (m)": 16764,
        "Description": "The JF-17 Thunder is a lightweight, multirole fighter developed by Pakistan and China."
    },
    "J-20": {
        "Aircraft Name": "Chengdu J-20 Mighty Dragon",
        "Image URL": "j20.jpeg",
        "Origin": "China",
        "Manufacturer": "Chengdu Aerospace Corporation",
        "First Flight": 2011,
        "Introduction": 2017,
        "Role": "Stealth air superiority fighter",
        "Variants": "J-20A, J-20B",
        "Crew": 1,
        "Length (m)": 20.4,
        "Wingspan (m)": 13.5,
        "Height (m)": 4.45,
        "Max Speed (km/h)": 2223,
        "Range (km)": 5500,
        "Service Ceiling (m)": 20000,
        "Description": "The J-20 Mighty Dragon is China's advanced stealth fighter designed for long-range operations."
    }
}

# Sidebar for Aircraft Selection
st.sidebar.header("Select an Aircraft")
selected_aircraft = st.sidebar.selectbox("Choose an aircraft:", list(aircraft_data.keys()))

# Display Aircraft Information
if selected_aircraft:
    aircraft_info = aircraft_data[selected_aircraft]

    st.header(aircraft_info["Aircraft Name"])

    # Image Handling
    image_path = aircraft_info["Image URL"]
    default_image = "placeholder.jpg"

    try:
        img = Image.open(image_path) if os.path.exists(image_path) else Image.open(default_image)
    except Exception:
        img = Image.open(default_image)

    col1, col2 = st.columns([1, 2])

    with col1:
        st.image(img, use_container_width=True, caption=aircraft_info["Aircraft Name"])

    with col2:
        st.subheader("General Information")
        for key in ["Origin", "Manufacturer", "First Flight", "Introduction", "Role", "Variants", "Crew"]:
            st.write(f"**{key}:** {aircraft_info[key]}")

    st.subheader("🔹 Performance Specifications")
    cols = st.columns(3)
    specs = ["Length (m)", "Wingspan (m)", "Height (m)", "Max Speed (km/h)", "Range (km)", "Service Ceiling (m)"]
    
    for idx, col in enumerate(cols):
        with col:
            for key in specs[idx::3]:
                st.metric(label=key, value=aircraft_info[key])

    with st.expander("ℹ️ More Information"):
        st.write(aircraft_info["Description"])