app.py

import streamlit as st
import requests
import streamlit.components.v1 as components
from gtts import gTTS
from gtts.lang import tts_langs
from io import BytesIO

# 페이지 설정
st.set_page_config(page_title="ViDraft", layout="wide")

# 사이드바 타이틀 설정
st.sidebar.title("ViDraft")

# 메뉴 및 하위 메뉴 정의
menus = {
    "Home": [],
    "Free Stock": ["Template Video", "Search Video", "Search Image"],
    "Image": ["Generation", "Face ID", "Inpainting", "Remove Background", "Studio"],
    "Video": ["Generation", "Talking Face", "Remove Background", "Studio"],
    "Sound": ["Video SFX", "Video Music", "TTS(Voice)", "Image SFX", "Image Music"],
    "Scripts": []
}

# 세션 상태 초기화
if 'current_menu' not in st.session_state:
    st.session_state['current_menu'] = 'Home'
if 'current_sub_menu' not in st.session_state:
    st.session_state['current_sub_menu'] = ''

# 메인 메뉴 선택
selected_menu = st.sidebar.selectbox("Menu", list(menus.keys()), key='main_menu')
st.session_state['current_menu'] = selected_menu

# 하위 메뉴 선택 (해당되는 경우)
if selected_menu in menus:
    selected_sub_menu = st.sidebar.selectbox("Sub Menu", [""] + menus[selected_menu], key=f'sub_menu_{selected_menu}')
    st.session_state['current_sub_menu'] = selected_sub_menu
else:
    st.session_state['current_sub_menu'] = ''


# 'Sound' 메뉴의 'TTS(Voice)' 선택 시
if selected_menu == "Sound" and selected_sub_menu == "TTS(Voice)":
    st.header("Text-to-Speech")
    # 텍스트 입력
    text = st.text_area("Enter text to synthesize", "Hello, welcome to ViDraft TTS service.")
    
    # 지원되는 언어 목록을 불러옵니다.
    languages_dict = tts_langs()
    # ISO 639-1 표준에 따라 두 글자 코드를 가진 언어만 필터링
    two_letter_languages = {code: lang for code, lang in languages_dict.items() if len(code) == 2}

    # 언어 선택을 위한 selectbox를 생성합니다.
    selected_language_code = st.selectbox(
        "Choose Language", 
        options=list(two_letter_languages.keys()), 
        format_func=lambda x: f"{two_letter_languages[x]} ({x})",
        index=list(two_letter_languages.keys()).index('en')  # 'en'을 기본 언어로 설정
    )
    
    # 'Synthesize' 버튼
    if st.button("Synthesize"):
        if text:
            try:
                # 선택된 언어로 gTTS 객체 생성
                tts = gTTS(text=text, lang=selected_language_code, slow=False)
                audio_file = BytesIO()
                tts.write_to_fp(audio_file)
                audio_file.seek(0)
                # 생성된 오디오 파일을 재생
                st.audio(audio_file, format="audio/mp3")
            except Exception as e:
                st.error(f"Error: {e}")
        else:
            st.warning("Please enter some text to synthesize.")

            
            
# Pexels API 키 설정
PEXELS_API_KEY = "5woz23MGx1QrSY0WHFb0BRi29JvbXPu97Hg0xnklYgHUI8G0w23FKH62"

def search_images(keyword, per_page=80):
    """이미지 검색 함수"""
    url = f"https://api.pexels.com/v1/search?query={keyword}&per_page={per_page}"
    headers = {"Authorization": PEXELS_API_KEY}
    response = requests.get(url, headers=headers).json()
    images = []
    if 'photos' in response:
        for photo in response['photos']:
            images.append(photo['src']['original'])
    return images

def search_videos(keyword, per_page=80):
    """비디오 검색 함수"""
    url = f"https://api.pexels.com/videos/search?query={keyword}&per_page={per_page}"
    headers = {"Authorization": PEXELS_API_KEY}
    response = requests.get(url, headers=headers).json()
    videos = []
    if 'videos' in response:
        for video in response['videos']:
            videos.append(video['video_files'][0]['link'])
    return videos

# 'Search Image' 선택 시
if selected_menu == "Free Stock" and st.session_state['current_sub_menu'] == "Search Image":
    keyword = st.text_input("Enter a keyword to search for images")
    if keyword:
        images = search_images(keyword)
        cols = st.columns(3)  # 3열로 이미지 표시
        for idx, img in enumerate(images):
            with cols[idx % 3]:
                st.image(img)

# 'Search Video' 선택 시
if selected_menu == "Free Stock" and st.session_state['current_sub_menu'] == "Search Video":
    keyword = st.text_input("Enter a keyword to search for videos")
    if keyword:
        videos = search_videos(keyword)
        cols = st.columns(3)  # 3열로 비디오 표시
        for idx, video in enumerate(videos):
            with cols[idx % 3]:
                st.video(video)

# 'Image' 메뉴에서 'Remove Background' 선택 시
if selected_menu == "Image" and st.session_state['current_sub_menu'] == "Remove Background":
    st.header("Remove Background")
    # iframe을 사용하여 외부 URL 임베드
    components.iframe("https://seawolf2357-gttstest.hf.space", width=None, height=600, scrolling=True)

# 'Home' 페이지 표시
if selected_menu == "Home":
    st.image("banner.jpg", use_column_width=True)    
    st.header("Welcome to ViDraft")
    
    # 환영 메시지 및 서비스 설명
    welcome_text = """
    Welcome to our dynamic platform, where creativity meets technology across a vast spectrum of multimedia services. Our service offers an extensive array of options for every multimedia need:
    
    - **Home**: Start your journey here with us, where innovation meets functionality.
    - **Free Stock**: Dive into our rich collection of template videos, search for the perfect video or image to complement your project.
    - **Image**: Explore our advanced image services including AI-powered generation, facial recognition, inpainting, background removal, and our comprehensive image studio.
    - **Video**: Unleash your creativity with video generation, talking face animations, background removal, and access to our state-of-the-art video studio.
    - **Sound**: Enhance your projects with video sound effects (SFX), curated video music, text-to-speech (TTS) services, image SFX, and image music integration.
    - **Scripts**: Access a wide range of scripting tools and resources to bring your stories to life.
    
    Join us to transform your creative ideas into reality with cutting-edge technology designed for creators, by creators.
    """    
    st.write(welcome_text)

    # 이미지들을 한 줄에 배치
    cols = st.columns(4)  # 4개의 열 생성
    image_files = [
        "ViDraft-Video-Templet.png",
        "ViDraft-Video-search.png",
        "ViDraft-Image-search.png",
        "ViDraft-TTS.png"
    ]
    image_texts = [
        "Video Template",
        "Video Search",
        "Image Search",
        "TTS (Voice)"
    ]
    for col, img_file, img_text in zip(cols, image_files, image_texts):
        with col:
            st.image(img_file, use_column_width=True)
            st.caption(img_text)  # 파일명을 통해 이미지 아래 텍스트 반영
            

elif selected_menu == "Free Stock":
    # 'Free Stock' 메뉴 선택 시 처리 로직
    if st.session_state['current_sub_menu'] == "Template Video":
        st.header("Template Videos")
        st.write("Explore a variety of video templates crafted with the innovative technology of OpenAI SORA. Dive into an immersive experience with samples generated by the cutting-edge AI, showcasing the potential to transform your creative ideas into captivating visual stories.")
        # 비디오 파일 경로 설정 및 비디오 표시 로직
        video_files = ["ex1.mp4", "ex2.mp4", "ex3.mp4", "ex4.mp4", "ex5.mp4", "ex6.mp4", "ex7.mp4", "ex8.mp4", "ex9.mp4", "ex10.mp4", "ex11.mp4", "ex12.mp4", "ex13.mp4", "ex14.mp4", "ex15.mp4", "ex16.mp4", "ex17.mp4", "ex18.mp4"]
        # 갤러리 형태로 비디오 표시
        cols = st.columns(2)  # 2개의 열로 넓게 배치
        for index, video_file in enumerate(video_files):
            with cols[index % 2]:
                st.video(video_file)


# 'Image' 메뉴 선택 시 처리 로직
elif selected_menu == "Image":
    if st.session_state['current_sub_menu'] == "Generation":
        st.header("Image Generation")
        st.write("Generate images using AI.")
    elif st.session_state['current_sub_menu'] == "Face ID":
        st.header("Face ID")
        st.write("Identify and analyze faces in images.")
    elif st.session_state['current_sub_menu'] == "Inpainting":
        st.header("Inpainting")
        st.write("Fill in missing parts of images.")

    elif st.session_state['current_sub_menu'] == "Studio":
        st.header("Image Studio")
        st.write("Access a suite of image editing tools.")

# 'Video' 메뉴 선택 시 처리 로직
elif selected_menu == "Video":
    if st.session_state['current_sub_menu'] == "Generation":
        st.header("Video Generation")
        st.write("Create videos with our generation tools.")
    elif st.session_state['current_sub_menu'] == "Talking Face":
        st.header("Talking Face Videos")
        st.write("Generate talking face videos from images.")
    elif st.session_state['current_sub_menu'] == "Remove Background":
        st.header("Video Background Removal")
        st.write("Remove backgrounds from your videos effortlessly.")
    elif st.session_state['current_sub_menu'] == "Studio":
        st.header("Video Studio")
        st.write("Explore our video editing studio for advanced editing.")

# 'Sound' 메뉴 선택 시 처리 로직
elif selected_menu == "Sound":
    if st.session_state['current_sub_menu'] == "Video SFX":
        st.header("Video Sound Effects")
        st.write("Enhance your videos with sound effects.")
    elif st.session_state['current_sub_menu'] == "Video Music":
        st.header("Video Music")
        st.write("Find the perfect music for your video content.")
    elif st.session_state['current_sub_menu'] == "Image SFX":
        st.header("Image Sound Effects")
        st.write("Add sound effects to your images.")
    elif st.session_state['current_sub_menu'] == "Image Music":
        st.header("Image Music")
        st.write("Associate music tracks with your images.")

# 'Scripts' 메뉴 선택 시 처리 로직
elif selected_menu == "Scripts":
    st.header("Scripts")
    st.write("Script writing tools and resources.")