#!/usr/bin/env python3
"""
BetterCurseForge Patcher — CLI
===============================
Command-line interface for patching CurseForge Launcher.
"""

import sys, os
if os.name == "nt":
    if sys.stdout is not None:
        sys.stdout.reconfigure(encoding="utf-8", errors="replace")
    if sys.stderr is not None:
        sys.stderr.reconfigure(encoding="utf-8", errors="replace")

try:
    from . import patch_core
except ImportError:
    import patch_core

VERSION = "1.0.0"

BANNER = r"""
  ╔══════════════════════════════════════════╗
  ║     ⬡  BetterCurseForge Patcher  ⬡     ║
  ║                 v{ver}                  ║
  ╚══════════════════════════════════════════╝
""".format(ver=VERSION)

def main():
    print(BANNER)
    if len(sys.argv) < 2:
        print("Usage: python patcher.py [patch | unpatch | status | watch]")
        print("For GUI, run without arguments or run patcher_gui.py")
        sys.exit(1)

    cmd = sys.argv[1].lower()
    if cmd in ("watch", "--watch"):
        patch_core.run_watcher_loop()
    elif cmd == "--wait-for-update":
        pid = int(sys.argv[2]) if len(sys.argv) > 2 and sys.argv[2].isdigit() else None
        patch_core.wait_for_update_and_repatch(pid)
    elif cmd == "--ensure-watcher":
        if not patch_core.is_watcher_running():
            patch_core.start_background_watcher()
    elif cmd == "patch":
        patch_core.patch_curseforge()
    elif cmd == "unpatch":
        patch_core.unpatch_curseforge()
    elif cmd == "status":
        cf = patch_core.get_curseforge_dir()
        if not cf:
            print("CurseForge installation not found.")
        else:
            print(f"CurseForge directory: {cf}")
            patched = patch_core.is_curseforge_patched(cf)
            print(f"Patch status:         {'PATCHED' if patched else 'NOT PATCHED'}")
            print(f"Auto-repatch watcher: {'ACTIVE' if patch_core.is_watcher_running() else 'INACTIVE'}")
    else:
        print(f"Unknown command: {cmd}")
        sys.exit(1)

if __name__ == "__main__":
    main()