import os
import yaml

# Check FinancialStatement.yaml for duplicate has_or_had_format
filepath = 'schemas/20251121/linkml/modules/classes/FinancialStatement.yaml'

with open(filepath, 'r') as f:
    lines = f.readlines()

new_lines = []
seen_keys = set()
in_slot_usage = False
slot_usage_indent = -1

for line in lines:
    stripped = line.strip()
    indent = len(line) - len(line.lstrip())
    
    if stripped.startswith('slot_usage:'):
        in_slot_usage = True
        slot_usage_indent = indent
        new_lines.append(line)
        continue
        
    if in_slot_usage:
        if stripped and indent <= slot_usage_indent:
            in_slot_usage = False
            seen_keys.clear()
        else:
            # Check for keys at level 6 (slot usage items)
            if indent == slot_usage_indent + 2:
                key = stripped.split(':')[0]
                if key in seen_keys:
                    print(f"Skipping duplicate key {key} in slot_usage")
                    # Skip this line AND subsequent lines until next key
                    continue 
                    # This logic is too simple, need to skip block.
                seen_keys.add(key)
    
    new_lines.append(line)

# Since simple skipping is hard line-by-line, let's use the fix_duplicate_keys.py approach again.