from flask import Flask, render_template, request, send_file, jsonify
from imaginepy import AsyncImagine, Style, Ratio
import os
import asyncio

app = Flask(__name__)

async def generate_image_async(prompt, style, ratio):
    imagine = AsyncImagine()

    try:
        img_data = await imagine.sdprem(
            prompt=prompt,
            style=Style[style],
            ratio=Ratio[ratio]
        )
    except Exception as e:
        return f"An error occurred while generating the image: {e}"

    if img_data is None:
        return "An error occurred while generating the image."

    img_data = await imagine.upscale(image=img_data)

    if img_data is None:
        return "An error occurred while upscaling the image."

    await imagine.close()

    try:
        image_path = os.path.join(app.root_path, "static", "example.jpeg")
        with open(image_path, mode="wb") as img_file:
            img_file.write(img_data)
    except Exception as e:
        return f"An error occurred while writing the image to file: {e}"

    return image_path

@app.route('/')
def index():
    return render_template('index.html')

@app.route('/generate', methods=['POST'])
async def generate_image():
    prompt = request.form['prompt']
    style = request.form['style']
    ratio = request.form['ratio']

    image_path = await generate_image_async(prompt, style, ratio)

    if isinstance(image_path, str):
        return image_path

    return render_template('output.html')

@app.route('/api/generate', methods=['POST'])
async def api_generate_image():
    data = request.get_json()
    prompt = data['prompt']
    style = data['style']
    ratio = data['ratio']

    image_path = await generate_image_async(prompt, style, ratio)

    if isinstance(image_path, str):
        return jsonify({'error': image_path}), 500

    return send_file(image_path, mimetype='image/jpeg', as_attachment=True)

if __name__ == "__main__":
    loop = asyncio.get_event_loop()
    #loop.run_until_complete(main())
    app.run(host="0.0.0.0", port=7860)