import gradio as gr
import requests
import os
import time
import logging
from PIL import Image
import io

# Set up logging
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

# Get API key (match your secret name - 'key' or 'Key')
API_KEY = os.environ.get("key", os.environ.get("Key", ""))
if not API_KEY:
    logger.error("❌ No API key found")

def upload_to_temp_url(image):
    """Upload image to temporary hosting and return URL"""
    # For now, we'll need a temporary hosting solution
    # Option 1: Use imgbb.com API (need another key)
    # Option 2: Use Hugging Face's temp files (but need public URL)
    # Option 3: Keep URL input for now until we set up hosting
    
    # For simplicity now, we'll keep URL input
    # But we can add image preview
    return None

def generate_video(image, prompt_text, model_id, progress=gr.Progress()):
    """Generate video using image upload and prompt"""
    
    if not API_KEY:
        yield "❌ API key not configured", None
        return
    
    try:
        progress(0, desc="Preparing request...")
        
        # For now, we need a publicly accessible image URL
        # This is a limitation - we need to host the uploaded image somewhere
        # Let's use a placeholder message until we implement hosting
        if image is None:
            yield "⚠️ Please upload an image", None
            return
        
        # For demo purposes, we'll keep URL input for now
        # But we show the uploaded image preview
        yield "⏳ Image uploaded. For now, please also provide a public URL (hosting service needed)", None
        return
        
        # The actual API call would go here once we have URL hosting
        
    except Exception as e:
        logger.error(f"❌ Error: {str(e)}")
        yield f"❌ Error: {str(e)}", None

# Simple, clean interface
with gr.Blocks(title="BytePlus Video Generator", theme=gr.themes.Soft()) as demo:
    
    gr.Markdown("""
    # 🎥 BytePlus Video Generator
    Upload an image and describe the video you want to generate
    """)
    
    with gr.Row():
        with gr.Column():
            # Image upload (input only)
            image_input = gr.Image(
                label="📤 Upload Starting Image",
                type="pil",
                height=300
            )
            
            # Text prompt
            prompt = gr.Textbox(
                label="📝 Video Description",
                placeholder="Describe what you want to see...",
                lines=3,
                value="At breakneck speed, drones thread through intricate obstacles --duration 5 --camerafixed false"
            )
            
            # Model ID (hidden or simplified)
            model_id = gr.Textbox(
                label="Model ID",
                value="seedance-1-5-pro-251215",
                visible=False  # Hide it for simplicity
            )
            
            # Generate button
            generate_btn = gr.Button("🚀 Generate Video", variant="primary", size="lg")
        
        with gr.Column():
            # Status messages
            status = gr.Textbox(
                label="Status",
                lines=2,
                interactive=False
            )
            
            # Video output (player only, not uploader)
            video_output = gr.Video(
                label="🎬 Generated Video",
                interactive=False,  # Can't upload, only view
                show_download_button=True,  # Allow download
                height=300
            )
    
    # Example prompts (optional)
    gr.Markdown("---")
    gr.Markdown("### Example Prompts")
    with gr.Row():
        gr.Button("Nature Drone").click(
            fn=lambda: "Aerial drone shot over mountains at sunrise, cinematic --duration 5 --camerafixed false",
            outputs=prompt
        )
        gr.Button("City Race").click(
            fn=lambda: "Fast drone racing through futuristic city streets --duration 5 --camerafixed false",
            outputs=prompt
        )
        gr.Button("Ocean Waves").click(
            fn=lambda: "Drone following waves at golden hour --duration 5 --camerafixed false",
            outputs=prompt
        )
    
    # For now, show a note about image hosting
    gr.Markdown("""
    ---
    ⚠️ **Note:** Currently requires publicly accessible image URLs. 
    Working on direct image upload support!
    """)
    
    # Placeholder function for now
    def placeholder_gen(image, prompt, model):
        if image is None:
            return "Please upload an image first", None
        return "Image uploaded! (URL hosting coming soon)", None
    
    # Connect the button
    generate_btn.click(
        fn=placeholder_gen,
        inputs=[image_input, prompt, model_id],
        outputs=[status, video_output]
    )

if __name__ == "__main__":
    demo.launch(server_name="0.0.0.0")