import os
import requests
import gradio as gr

# Hugging Face API
HF_API_URL = "https://api-inference.huggingface.co/models/stabilityai/stable-diffusion-3.5-large"
HF_API_KEY = os.getenv("HF_TOKEN")

# Chevereto API
CHEVERETO_API_URL = os.getenv("API_URL")
CHEVERETO_API_KEY = os.getenv("API_KEY")
CHEVERETO_ALBUM_ID = os.getenv("ALBUM_ID")

HEADERS = {"Authorization": f"Bearer {HF_API_KEY}"}

def generate_image(prompt: str):
    """Generates an image using Hugging Face's API"""
    response = requests.post(HF_API_URL, headers=HEADERS, json={"inputs": prompt})
    
    if response.status_code == 200:
        image_data = response.content
        image_path = "/tmp/generated_image.png"

        with open(image_path, "wb") as f:
            f.write(image_data)

        return image_path
    else:
        return f"Error generating image: {response.text}"

def upload_to_chevereto(image_path: str):
    """Uploads the generated image to Chevereto and returns the URL"""
    with open(image_path, "rb") as img_file:
        files = {"source": img_file}
        data = {"key": CHEVERETO_API_KEY, "format": "json", "album": CHEVERETO_ALBUM_ID}
        
        response = requests.post(CHEVERETO_API_URL, files=files, data=data)
    
    if response.status_code == 200:
        return response.json().get("image", {}).get("url")
    else:
        return f"Error uploading image: {response.text}"

def generate_and_upload(prompt: str):
    """Combines image generation + upload and returns both the image path and Chevereto URL"""
    img_path = generate_image(prompt)
    if "Error" in img_path:
        return img_path, ""  # Return error message and empty string for URL
    
    url = upload_to_chevereto(img_path)
    return img_path, url  # Return the image path and the Chevereto URL

# Gradio UI
with gr.Blocks() as app:
    gr.Markdown("<h1 style='text-align: center; color: red;'>🚀 Star Trek AI Image Generator</h1>")
    with gr.Row():
        prompt_input = gr.Textbox(label="Enter a prompt:", placeholder="A futuristic spaceship...")
        generate_button = gr.Button("Generate & Upload")
    
    image_output = gr.Image(label="Generated Image")
    url_output = gr.Textbox(label="Image URL", interactive=False)

    generate_button.click(
        fn=generate_and_upload,
        inputs=prompt_input,
        outputs=[image_output, url_output]
    )

app.launch(server_port=7860, share=True)