import json
import os
import re

COVERART_DIR = "/Users/matt/Desktop/VideoGameList/Coverart"
GAMES_JSON   = "/Users/matt/Desktop/VideoGameList/games.json"

def title_to_filename(title):
    """Transform a game title to its expected Coverart filename."""
    transformed = title.replace("'", "_").replace(":", "_")
    return f"{transformed}-01.png"

def main():
    # 1. Build a set of available Coverart filenames
    coverart_files = set(os.listdir(COVERART_DIR))
    print(f"Coverart files available: {len(coverart_files)}")

    # 2. Load games.json
    with open(GAMES_JSON, "r", encoding="utf-8") as f:
        games = json.load(f)
    print(f"Games in JSON: {len(games)}")

    matched   = []
    unmatched = []
    cleared   = []

    for game in games:
        title    = game.get("title", game.get("name", ""))
        expected = title_to_filename(title)
        current  = game.get("cover_art_local", "")

        if expected in coverart_files:
            game["cover_art_local"] = f"coverart/{expected}"
            matched.append(title)
        else:
            # Clear any stale metadata/ paths; leave truly empty ones alone
            if current.startswith("metadata/"):
                game["cover_art_local"] = ""
                cleared.append(title)
            unmatched.append(title)

    # 3. Save updated games.json
    with open(GAMES_JSON, "w", encoding="utf-8") as f:
        json.dump(games, f, indent=2, ensure_ascii=False)

    # 4. Report
    print(f"\nMatched   : {len(matched)}")
    print(f"Unmatched : {len(unmatched)}")
    print(f"Cleared (metadata/ paths removed): {len(cleared)}")

    if unmatched:
        print("\nUnmatched titles:")
        for t in unmatched:
            expected = title_to_filename(t)
            print(f"  Title    : {t!r}")
            print(f"  Expected : {expected!r}")

if __name__ == "__main__":
    main()