# Utility functions shared across modules
# This file helps break circular imports between main.py and pdf_generator.py

from typing import List
from models import ExportSection
from constants import SECTION_ORDER

def sort_sections_by_order(sections: List[ExportSection]) -> List[ExportSection]:
    """Sort sections according to the predefined SECTION_ORDER to ensure correct numerical ordering"""
    # Create a mapping from section title to order index
    order_map = {title: index for index, title in enumerate(SECTION_ORDER)}
    
    def get_section_order(section: ExportSection) -> int:
        # Try to match by exact title first
        if section.title in order_map:
            order_index = order_map[section.title]
            return order_index
        
        # Try case-insensitive matching
        section_title_lower = section.title.lower()
        for order_title, order_index in order_map.items():
            if order_title.lower() == section_title_lower:
                return order_index
        
        # Try to match by key (remove 'prompt_' prefix if present)
        key_clean = section.key.replace('prompt_', '') if section.key.startswith('prompt_') else section.key
        if key_clean in order_map:
            order_index = order_map[key_clean]
            return order_index
        
        # Try partial matching for keys
        for order_title, order_index in order_map.items():
            if key_clean.lower() in order_title.lower() or order_title.lower() in key_clean.lower():
                return order_index
        
        # If no match found, put at the end
        return len(SECTION_ORDER)
    
    # Sort sections by their order
    sorted_sections = sorted(sections, key=get_section_order)
    
    return sorted_sections