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import gradio as gr
import replicate
from PIL import Image
import tempfile
import uuid
import requests
from io import BytesIO
import os

# ํ™˜๊ฒฝ ๋ณ€์ˆ˜์—์„œ API ํ† ํฐ, ๋น„๋ฐ€๋ฒˆํ˜ธ, ๋ชจ๋ธ ์ด๋ฆ„๋“ค ๊ฐ€์ ธ์˜ค๊ธฐ
REPLICATE_API_TOKEN = os.getenv("REPLICATE_API_TOKEN")
PASSWORD = os.getenv("PASSWORD")
UPSCALER_MODEL = os.getenv("UPSCALER_MODEL")
TEXT_REMOVAL_MODEL = os.getenv("TEXT_REMOVAL_MODEL")

def upscale_image(image_path, output_format):
    """Clarity Upscaler๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์ด๋ฏธ์ง€ ์—…์Šค์ผ€์ผ๋ง (๋ชจ๋“  ๋งค๊ฐœ๋ณ€์ˆ˜ ๊ณ ์ •)"""
    try:
        client = replicate.Client(api_token=REPLICATE_API_TOKEN)
        
        with open(image_path, "rb") as file:
            input_data = {
                "image": file,
                "scale_factor": 2,  # ๊ณ ์ •: 2๋ฐฐ ํ™•๋Œ€
                "resemblance": 0.8,  # ๊ณ ์ •: ๋†’์€ ์›๋ณธ ์œ ์‚ฌ๋„
                "creativity": 0.2,   # ๊ณ ์ •: ๋‚ฎ์€ ์ฐฝ์˜์„ฑ
                "output_format": output_format.lower(),
                "prompt": "high quality, detailed, sharp",
                "negative_prompt": "(worst quality, low quality, normal quality:2)"
            }
            
            output = client.run(
                UPSCALER_MODEL,
                input=input_data
            )
        
        # ๊ฒฐ๊ณผ ์ด๋ฏธ์ง€ ๋‹ค์šด๋กœ๋“œ
        if output and isinstance(output, list) and len(output) > 0:
            response = requests.get(output[0])
            if response.status_code == 200:
                result_image = Image.open(BytesIO(response.content))
                
                # ์ž„์‹œ ํŒŒ์ผ๋กœ ์ €์žฅ
                ext = output_format.lower()
                upscaled_filename = f"upscaled_temp_{uuid.uuid4()}.{ext}"
                
                if ext == 'jpg' and result_image.mode == 'RGBA':
                    result_image = result_image.convert('RGB')
                
                result_image.save(upscaled_filename, format='JPEG' if ext=='jpg' else 'PNG', quality=95 if ext=='jpg' else None)
                
                return upscaled_filename
            else:
                return None
        else:
            return None
        
    except Exception as e:
        return None

def remove_text_from_image(input_image, password, output_format, upscale_option):
    if not password:
        return None, "๋น„๋ฐ€๋ฒˆํ˜ธ๋ฅผ ์ž…๋ ฅํ•˜์„ธ์š”.", None
    
    if password != PASSWORD:
        return None, "๋น„๋ฐ€๋ฒˆํ˜ธ๊ฐ€ ์˜ฌ๋ฐ”๋ฅด์ง€ ์•Š์Šต๋‹ˆ๋‹ค.", None
    
    if input_image is None:
        return None, "์ด๋ฏธ์ง€๋ฅผ ์—…๋กœ๋“œํ•˜์„ธ์š”.", None
    
    try:
        # Replicate ํด๋ผ์ด์–ธํŠธ ์„ค์ •
        client = replicate.Client(api_token=REPLICATE_API_TOKEN)
        
        log_message = f"์ด๋ฏธ์ง€ ์ฒ˜๋ฆฌ ์‹œ์ž‘...\n"
        
        # Option 2: ๋กœ์ปฌ ํŒŒ์ผ ๋ฐฉ์‹ ์‚ฌ์šฉ
        with open(input_image, "rb") as file:
            input_file = file
            
            log_message += f"ํŒŒ์ผ ์ฝ๊ธฐ ์™„๋ฃŒ\n"
            
            # Replicate API ํ˜ธ์ถœ - output_format ๋งค๊ฐœ๋ณ€์ˆ˜ ์ถ”๊ฐ€
            input_data = {
                "input_image": input_file,
                "output_format": output_format  # JPG ๋˜๋Š” PNG
            }
            
            log_message += f"ํ…์ŠคํŠธ ์ œ๊ฑฐ API ํ˜ธ์ถœ ์ค‘... (์ถœ๋ ฅ ํฌ๋งท: {output_format})\n"
            
            output = client.run(
                TEXT_REMOVAL_MODEL,
                input=input_data
            )
        
        log_message += f"ํ…์ŠคํŠธ ์ œ๊ฑฐ API ์‘๋‹ต ์ˆ˜์‹  ์™„๋ฃŒ\n"
        
        # ๊ฒฐ๊ณผ ์ด๋ฏธ์ง€ ์ฒ˜๋ฆฌ
        temp_filename = f"temp_output.{output_format.lower()}"
        with open(temp_filename, "wb") as file:
            file.write(output.read())
        
        # ๊ฒฐ๊ณผ ์ด๋ฏธ์ง€ ๋กœ๋“œ
        result_image = Image.open(temp_filename)
        
        # ํ™”์งˆ ๊ฐœ์„  ์ ์šฉ (์„ ํƒ์‚ฌํ•ญ)
        final_image = result_image
        if upscale_option == "์ ์šฉ":
            log_message += f"Clarity Upscaler๋กœ ํ™”์งˆ ๊ฐœ์„  ์‹œ์ž‘... (2๋ฐฐ ํ™•๋Œ€, ์œ ์‚ฌ๋„: 0.8, ์ฐฝ์˜์„ฑ: 0.2)\n"
            upscaled_path = upscale_image(temp_filename, output_format)
            
            if upscaled_path:
                final_image = Image.open(upscaled_path)
                log_message += f"ํ™”์งˆ ๊ฐœ์„  ์™„๋ฃŒ\n"
            else:
                log_message += f"ํ™”์งˆ ๊ฐœ์„  ์‹คํŒจ, ์›๋ณธ ์ด๋ฏธ์ง€ ์‚ฌ์šฉ\n"
        
        # ๋‹ค์šด๋กœ๋“œ์šฉ ํŒŒ์ผ๋ช…
        download_filename = f"text_removed.{output_format.lower()}"
        final_image.save(download_filename)
        
        log_message += f"ํ…์ŠคํŠธ ์ œ๊ฑฐ ์™„๋ฃŒ! (API์—์„œ {output_format} ํฌ๋งท์œผ๋กœ ์ฒ˜๋ฆฌ๋จ)"
        
        return final_image, log_message, download_filename
        
    except Exception as e:
        error_message = f"์˜ค๋ฅ˜ ๋ฐœ์ƒ: {str(e)}"
        return None, error_message, None

# Gradio ์ธํ„ฐํŽ˜์ด์Šค
with gr.Blocks() as demo:
    with gr.Row():
        with gr.Column():
            input_image = gr.Image(type="filepath", label="์ž…๋ ฅ ์ด๋ฏธ์ง€")
            api_password = gr.Textbox(
                label="๋น„๋ฐ€๋ฒˆํ˜ธ", 
                type="password"
            )
            output_format = gr.Radio(
                choices=["jpg", "png"],
                value="jpg",
                label="์ถœ๋ ฅ ํฌ๋งท"
            )
            upscale_option = gr.Radio(
                choices=["์—†์Œ", "์ ์šฉ"],
                value="์—†์Œ",
                label="ํ™”์งˆ ๊ฐœ์„  (2๋ฐฐ ํ™•๋Œ€)"
            )
            submit_btn = gr.Button("ํ…์ŠคํŠธ ์ œ๊ฑฐ", variant="primary")
        
        with gr.Column():
            output_image = gr.Image(label="์ฒ˜๋ฆฌ๋œ ์ด๋ฏธ์ง€")
            log_output = gr.Textbox(label="๋กœ๊ทธ", lines=10, max_lines=15)
            download_file = gr.File(label="๋‹ค์šด๋กœ๋“œ")
    
    submit_btn.click(
        fn=remove_text_from_image,
        inputs=[input_image, api_password, output_format, upscale_option],
        outputs=[output_image, log_output, download_file]
    )

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