from flask import Flask, request, jsonify
import aiohttp
import asyncio
import io
import cloudinary
import cloudinary.uploader
import cloudinary.api
import random
import os

app = Flask(__name__)

# Configure Cloudinary
cloudinary.config(
    cloud_name='dpnixluze',
    api_key='417356221754679',
    api_secret='MjsdHI-8vvYg-yF8p5__aK_8OYs'
)

API_URL = "https://api-inference.huggingface.co/models/stabilityai/stable-diffusion-xl-base-1.0"
HEADERS = {"Authorization": f"Bearer {os.getenv('HUGGING_FACE_API_KEY')}"}

async def query(session, payload):
    try:
        async with session.post(API_URL, headers=HEADERS, json=payload) as response:
            response.raise_for_status()
            return await response.read()
    except aiohttp.ClientError as e:
        print(f"Error during API request: {e}")
        return None

async def retry_query(payload, retries=5, delay=30):
    async with aiohttp.ClientSession() as session:
        for i in range(retries):
            image_bytes = await query(session, payload)
            if image_bytes:
                return image_bytes
            print(f"Retrying ({i + 1}/{retries})...")
            await asyncio.sleep(delay)
    return None

@app.route('/', methods=['POST'])
async def generate_image():
    try:
        data = request.json  # This is synchronous
        positive_prompt = data.get('positive_prompt', 'emma stone')
        negative_prompt = data.get('negative_prompt', '[deformed | disfigured] , poorly drawn, [bad : wrong] anatomy, [extra | missing | floating | disconnected] limb, (mutated hands and fingers) , blurry,clothes, bad lighting, low-quality, deformed, text, poorly drawn, holding camera, bad art, bad angle, boring, low-resolution, worst quality, bad composition, disfigured')
        style = data.get('style','');
       

        if style == "cinematic":
            style = "cinematic shot, dynamic lighting, 75mm, Technicolor, Panavision, cinemascope, sharp focus, fine details, 8k, HDR, realism, realistic, key visual, film still, superb cinematic color grading, depth of field"
        elif style == "realistic":
            style = "realistic style, natural lighting, true-to-life details, high resolution, sharp focus, fine textures, authentic colors, accurate proportions, high dynamic range, clear and photorealistic"  
        elif style == "sci-fi":
            style = "sci-fi style, futuristic technology, cyberpunk cityscape, neon lights, advanced robotics, alien landscapes, holographic interfaces, space exploration, dystopian themes, high-tech machinery"
        elif style == "disney":
            style = "3d, Disney character style, animated, cartoonish, whimsical, colorful, playful, charming, magical, fantastical, cute, endearing, family-friendly, storybook quality, iconic, expressive, vibrant colors, smooth lines, simple shapes, happy and adventurous"    
        else:
            style = "fantasy style, magical landscapes, mythical creatures, enchanted forests, fairy tale elements, mystical realms, legendary beings, glowing effects, ethereal atmosphere, magical artifacts, ancient ruins"  
       
        seed = random.randint(0, 10000)

        payload = {
            "inputs": f"{positive_prompt}, {style}",
            "negative_prompt": negative_prompt,
            "options": { 
                "resolution": "4096×2160",
                "quality": "high",
                "seed": seed
            }
        }

        image_urls = []

        for image_count in range(1):  # Generate 3 images
            # Retry mechanism with error handling
            for attempt in range(3):  # Try up to 3 times per image
                image_bytes = await retry_query(payload)
                if image_bytes:
                    try:
                        # Upload image to Cloudinary
                        upload_response = cloudinary.uploader.upload(io.BytesIO(image_bytes), resource_type="image")
                        cloudinary_url = upload_response.get('secure_url')

                        if cloudinary_url:
                            image_urls.append(cloudinary_url)
                            break  # Break out of retry loop for this image
                        else:
                            raise Exception('Failed to upload image to Cloudinary.')
                    except Exception as upload_exception:
                        print(f"Upload attempt {attempt + 1} failed: {upload_exception}")
                else:
                    print(f"Image generation attempt {attempt + 1} failed")

        if image_urls:
            return jsonify({'image_urls': image_urls})
        else:
            return jsonify({'error': 'Failed to generate and upload images after multiple attempts.'}), 500

    except Exception as e:
        print(f"Exception occurred: {e}")
        return jsonify({'error': 'An unexpected error occurred.'}), 500

if __name__ == '__main__':
    app.run(debug=True)
    # app.run(host="0.0.0.0", port= 7860, debug= True)