#!/usr/bin/env python3
"""CLI entry point: compare all mod presets in modlist_html/ -> modlist_json/comparison.json."""

import json

from arma_modlist_tools import parse_modlist_dir, compare_presets
from arma_modlist_tools.config import load_config


def main():
    cfg = load_config()

    presets = parse_modlist_dir(cfg.modlist_html)
    if len(presets) < 2:
        print("Need at least 2 preset files in modlist_html/ to compare.")
        return

    result = compare_presets(*presets)

    cfg.modlist_json.mkdir(exist_ok=True)
    cfg.comparison.write_text(json.dumps(result, indent=2, ensure_ascii=False), encoding="utf-8")

    shared = result["shared"]["mod_count"]
    print(f"Compared: {', '.join(result['compared_presets'])}")
    print(f"  Shared mods : {shared}")
    for preset_name, data in result["unique"].items():
        print(f"  Unique to {preset_name}: {data['mod_count']}")
    print(f"  -> {cfg.comparison}")


if __name__ == "__main__":
    main()