import json
import os
import re

def get_keys(data, prefix=""):
    keys = []
    if isinstance(data, dict):
        for k, v in data.items():
            new_key = f"{prefix}.{k}" if prefix else k
            # Skip language objects (they have "en", "ru", etc)
            if isinstance(v, dict) and any(lang in v for lang in ["en", "ru", "me", "ua"]):
                keys.append(new_key)
            else:
                keys.extend(get_keys(v, new_key))
    return keys

def check_unused():
    locales_dir = "src/locales"
    src_dir = "src"
    
    trans_files = [f for f in os.listdir(locales_dir) if f.startswith("translations") and f.endswith(".json")]
    
    # Collect all source code content
    src_content = ""
    for root, dirs, files in os.walk(src_dir):
        for file in files:
            if file.endswith((".vue", ".ts", ".js")):
                with open(os.path.join(root, file), "r", encoding="utf-8") as f:
                    src_content += f.read() + "\n"

    report = {}
    
    for trans_file in trans_files:
        path = os.path.join(locales_dir, trans_file)
        with open(path, "r", encoding="utf-8") as f:
            data = json.load(f)
        
        all_keys = get_keys(data)
        unused = []
        
        for key in all_keys:
            # Check for exact string match in code
            # We look for "key", 'key', or `key`
            pattern = re.compile(f"['\"`]{re.escape(key)}['\"`]")
            if not pattern.search(src_content):
                unused.append(key)
        
        report[trans_file] = unused
        
    return report

if __name__ == "__main__":
    report = check_unused()
    print(json.dumps(report, indent=2, ensure_ascii=False))