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"""
์œ ํ‹ธ๋ฆฌํ‹ฐ ํ•จ์ˆ˜๋“ค
"""

import random
import requests
from PIL import Image, ImageDraw, ImageFont
import io
from config import CHATBOT_RESPONSES, MEME_TEMPLATES

def create_meme_image(template_info, top_text, bottom_text):
    """๋ฐˆ ์ด๋ฏธ์ง€ ์ƒ์„ฑ"""
    try:
        # ๊ธฐ๋ณธ ์บ”๋ฒ„์Šค ์ƒ์„ฑ (์‹ค์ œ ํ™˜๊ฒฝ์—์„œ๋Š” ํ…œํ”Œ๋ฆฟ ์ด๋ฏธ์ง€ ๋กœ๋“œ)
        width, height = 500, 400
        img = Image.new('RGB', (width, height), color='white')
        draw = ImageDraw.Draw(img)
        
        # ํฐํŠธ ์„ค์ • (๊ธฐ๋ณธ ํฐํŠธ ์‚ฌ์šฉ)
        try:
            font_large = ImageFont.truetype("arial.ttf", 32)
            font_small = ImageFont.truetype("arial.ttf", 24)
        except:
            font_large = ImageFont.load_default()
            font_small = ImageFont.load_default()
        
        # ๋ฐฐ๊ฒฝ ๊ทธ๋ผ๋ฐ์ด์…˜ ํšจ๊ณผ
        for y in range(height):
            color_value = int(255 * (y / height))
            color = (color_value, color_value, 255)
            draw.line([(0, y), (width, y)], fill=color)
        
        # ํ…์ŠคํŠธ ์ถ”๊ฐ€
        if top_text:
            # ์ƒ๋‹จ ํ…์ŠคํŠธ
            text_width = draw.textlength(top_text, font=font_large)
            x = (width - text_width) // 2
            y = 30
            # ํ…์ŠคํŠธ ์™ธ๊ณฝ์„ 
            for dx in [-1, 0, 1]:
                for dy in [-1, 0, 1]:
                    if dx != 0 or dy != 0:
                        draw.text((x+dx, y+dy), top_text, font=font_large, fill='black')
            draw.text((x, y), top_text, font=font_large, fill='white')
        
        if bottom_text:
            # ํ•˜๋‹จ ํ…์ŠคํŠธ
            text_width = draw.textlength(bottom_text, font=font_large)
            x = (width - text_width) // 2
            y = height - 70
            # ํ…์ŠคํŠธ ์™ธ๊ณฝ์„ 
            for dx in [-1, 0, 1]:
                for dy in [-1, 0, 1]:
                    if dx != 0 or dy != 0:
                        draw.text((x+dx, y+dy), bottom_text, font=font_large, fill='black')
            draw.text((x, y), bottom_text, font=font_large, fill='white')
        
        return img
        
    except Exception as e:
        print(f"์ด๋ฏธ์ง€ ์ƒ์„ฑ ์˜ค๋ฅ˜: {e}")
        return create_error_image(str(e))

def create_error_image(error_msg):
    """์—๋Ÿฌ ์ด๋ฏธ์ง€ ์ƒ์„ฑ"""
    img = Image.new('RGB', (400, 300), color='red')
    draw = ImageDraw.Draw(img)
    try:
        font = ImageFont.load_default()
        draw.text((50, 150), f"์˜ค๋ฅ˜: {error_msg}", font=font, fill='white')
    except:
        pass
    return img

def add_text_to_image(img, text, position, font_size=32, color='white'):
    """์ด๋ฏธ์ง€์— ํ…์ŠคํŠธ ์ถ”๊ฐ€"""
    draw = ImageDraw.Draw(img)
    try:
        font = ImageFont.truetype("arial.ttf", font_size)
    except:
        font = ImageFont.load_default()
    
    x, y = position
    # ์™ธ๊ณฝ์„  ํšจ๊ณผ
    for dx in [-1, 0, 1]:
        for dy in [-1, 0, 1]:
            if dx != 0 or dy != 0:
                draw.text((x+dx, y+dy), text, font=font, fill='black')
    draw.text((x, y), text, font=font, fill=color)
    
    return img

def generate_response(message, qa_pipeline=None, text_generator=None):
    """์ฑ—๋ด‡ ์‘๋‹ต ์ƒ์„ฑ"""
    message_lower = message.lower()
    
    # ์ธ์‚ฌ๋ง ์ฒ˜๋ฆฌ
    if any(greeting in message_lower for greeting in ['์•ˆ๋…•', 'ํ•˜์ด', 'ํ—ฌ๋กœ', '๋ฐ˜๊ฐ€']):
        return random.choice(CHATBOT_RESPONSES["greetings"])
    
    # ๋ฐˆ ๊ด€๋ จ ์งˆ๋ฌธ ์ฒ˜๋ฆฌ
    if any(word in message_lower for word in ['๋ฐˆ', 'meme', '์ด๋ฏธ์ง€', '์ƒ์„ฑ']):
        return random.choice(CHATBOT_RESPONSES["meme_help"])
    
    # AI ๋ชจ๋ธ์„ ์‚ฌ์šฉํ•œ ์‘๋‹ต ์ƒ์„ฑ ์‹œ๋„
    if qa_pipeline and len(message) > 10:
        try:
            # ๊ฐ„๋‹จํ•œ ์ปจํ…์ŠคํŠธ๋กœ QA ์ˆ˜ํ–‰
            context = "์ด๊ฒƒ์€ ๋ฐˆ ์ƒ์„ฑ๊ณผ AI ์ฑ„ํŒ… ์„œ๋น„์Šค์ž…๋‹ˆ๋‹ค. ์‚ฌ์šฉ์ž๋“ค์ด ์žฌ๋ฏธ์žˆ๋Š” ๋ฐˆ์„ ๋งŒ๋“ค๊ณ  AI์™€ ๋Œ€ํ™”ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค."
            result = qa_pipeline(question=message, context=context)
            if result and 'answer' in result:
                return f"๐Ÿค– {result['answer']}"
        except Exception as e:
            print(f"QA ํŒŒ์ดํ”„๋ผ์ธ ์˜ค๋ฅ˜: {e}")
    
    # ํ…์ŠคํŠธ ์ƒ์„ฑ ๋ชจ๋ธ ์‚ฌ์šฉ ์‹œ๋„
    if text_generator:
        try:
            result = text_generator(f"์‚ฌ์šฉ์ž: {message}\n๋ด‡:", max_length=50, num_return_sequences=1)
            if result and len(result) > 0:
                generated_text = result[0]['generated_text']
                bot_response = generated_text.split('๋ด‡:')[-1].strip()
                if bot_response and len(bot_response) > 5:
                    return f"๐Ÿค– {bot_response}"
        except Exception as e:
            print(f"ํ…์ŠคํŠธ ์ƒ์„ฑ ์˜ค๋ฅ˜: {e}")
    
    # ๊ธฐ๋ณธ ์‘๋‹ต
    return random.choice(CHATBOT_RESPONSES["default"])

def validate_input(text, max_length=100):
    """์ž…๋ ฅ ํ…์ŠคํŠธ ๊ฒ€์ฆ"""
    if not text or not text.strip():
        return False, "ํ…์ŠคํŠธ๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”."
    
    if len(text) > max_length:
        return False, f"ํ…์ŠคํŠธ๊ฐ€ ๋„ˆ๋ฌด ๊น๋‹ˆ๋‹ค. {max_length}์ž ์ดํ•˜๋กœ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š”."
    
    # ํŠน์ˆ˜๋ฌธ์ž ํ•„ํ„ฐ๋ง (์„ ํƒ์ )
    forbidden_chars = ['<', '>', '&', '"', "'"]
    if any(char in text for char in forbidden_chars):
        return False, "ํ—ˆ์šฉ๋˜์ง€ ์•Š๋Š” ํŠน์ˆ˜๋ฌธ์ž๊ฐ€ ํฌํ•จ๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค."
    
    return True, "๊ฒ€์ฆ ํ†ต๊ณผ"

def get_random_meme_idea():
    """๋žœ๋ค ๋ฐˆ ์•„์ด๋””์–ด ์ œ๊ณต"""
    ideas = [
        ("When you finish your project", "But remember you didn't write tests"),
        ("Me: I'll go to bed early tonight", "Also me at 3 AM:"),
        ("CSS in theory", "CSS in practice"),
        ("My code works", "I have no idea why"),
        ("Expected behavior", "Actual behavior")
    ]
    return random.choice(ideas)

def format_trend_data(keyword, data=None):
    """ํŠธ๋ Œ๋“œ ๋ฐ์ดํ„ฐ ํฌ๋งทํŒ…"""
    if not data:
        # ์‹œ๋ฎฌ๋ ˆ์ด์…˜ ๋ฐ์ดํ„ฐ ์ƒ์„ฑ
        popularity = random.randint(60, 95)
        growth = random.randint(-20, 50)
        related_terms = random.sample([
            '๋ฐ”์ด๋Ÿด', '์ธ๊ธฐ', 'ํŠธ๋ Œ๋“œ', '์›ƒ๊ธด', '์žฌ๋ฏธ์žˆ๋Š”', 
            'ํ•ซ์ด์Šˆ', 'ํ™”์ œ', '๋ฐˆ', 'ํŒจ๋Ÿฌ๋””', '์œ ๋จธ'
        ], 3)
        
        result = f"""
๐Ÿ“Š '{keyword}' ํŠธ๋ Œ๋“œ ๋ถ„์„ ๊ฒฐ๊ณผ

๐Ÿ”ฅ ์ธ๊ธฐ๋„: {popularity}/100
๐Ÿ“ˆ ์„ฑ์žฅ๋ฅ : {growth:+d}%
๐Ÿท๏ธ ๊ด€๋ จ ํ‚ค์›Œ๋“œ: {', '.join(related_terms)}
โฐ ๋ถ„์„ ์‹œ๊ฐ„: ๋ฐฉ๊ธˆ ์ „

๐Ÿ’ก ์ถ”์ฒœ: {'์ƒ์Šน ํŠธ๋ Œ๋“œ์ž…๋‹ˆ๋‹ค!' if growth > 0 else '๊ด€์‹ฌ์„ ๋Œ ์ˆ˜ ์žˆ๋Š” ํ‚ค์›Œ๋“œ์ž…๋‹ˆ๋‹ค.'}
        """
        return result.strip()
    
    return str(data)