"""
Image Alt Text Generation Service

AI-powered service for generating SEO-optimized alt text for images
using vision models and context-aware keyword integration.
"""

from typing import Dict, Any, List, Optional
from datetime import datetime
from loguru import logger

class ImageAltService:
    """Service for generating AI-powered image alt text"""
    
    def __init__(self):
        """Initialize the image alt service"""
        self.service_name = "image_alt_generator"
        logger.info(f"Initialized {self.service_name}")
    
    async def generate_alt_text_from_file(
        self,
        image_path: str,
        context: Optional[str] = None,
        keywords: Optional[List[str]] = None
    ) -> Dict[str, Any]:
        """Generate alt text from image file"""
        # Placeholder implementation
        return {
            "alt_text": "AI-generated alt text for uploaded image",
            "context_used": context,
            "keywords_included": keywords or [],
            "confidence": 0.85,
            "suggestions": ["Consider adding more descriptive keywords"]
        }
    
    async def generate_alt_text_from_url(
        self,
        image_url: str,
        context: Optional[str] = None,
        keywords: Optional[List[str]] = None
    ) -> Dict[str, Any]:
        """Generate alt text from image URL"""
        # Placeholder implementation
        return {
            "alt_text": f"AI-generated alt text for image at {image_url}",
            "context_used": context,
            "keywords_included": keywords or [],
            "confidence": 0.80,
            "suggestions": ["Image analysis completed successfully"]
        }
    
    async def health_check(self) -> Dict[str, Any]:
        """Health check for the image alt service"""
        return {
            "status": "operational",
            "service": self.service_name,
            "last_check": datetime.utcnow().isoformat()
        }