"""
On-Page SEO Analysis Service

Comprehensive on-page SEO analyzer with AI-enhanced insights
for content optimization and technical improvements.
"""

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

class OnPageSEOService:
    """Service for comprehensive on-page SEO analysis"""
    
    def __init__(self):
        """Initialize the on-page SEO service"""
        self.service_name = "on_page_seo_analyzer"
        logger.info(f"Initialized {self.service_name}")
    
    async def analyze_on_page_seo(
        self,
        url: str,
        target_keywords: Optional[List[str]] = None,
        analyze_images: bool = True,
        analyze_content_quality: bool = True
    ) -> Dict[str, Any]:
        """Analyze on-page SEO factors"""
        # Placeholder implementation
        return {
            "url": url,
            "overall_score": 75,
            "title_analysis": {"score": 80, "issues": [], "recommendations": []},
            "meta_description": {"score": 70, "issues": [], "recommendations": []},
            "heading_structure": {"score": 85, "issues": [], "recommendations": []},
            "content_analysis": {"score": 75, "word_count": 1500, "readability": "Good"},
            "keyword_analysis": {"target_keywords": target_keywords or [], "optimization": "Moderate"},
            "image_analysis": {"total_images": 10, "missing_alt": 2} if analyze_images else {},
            "recommendations": ["Optimize meta description", "Add more target keywords"]
        }
    
    async def health_check(self) -> Dict[str, Any]:
        """Health check for the on-page SEO service"""
        return {
            "status": "operational",
            "service": self.service_name,
            "last_check": datetime.utcnow().isoformat()
        }