import sys

from bw_menu import rbw, history, clipboard
from bw_menu.cli import parse_args
from bw_menu.selector import format_entry, create_selector


def main():
    args = parse_args()

    if args.command == "select":
        __handle_select(args)
    elif args.command == "history":
        __handle_history(args)


def __handle_select(args):
    selector = create_selector(args.selector)
    entry = selector.run(args)
    if entry is None:
        return

    value = rbw.get_field(entry, args.field)
    history.add(entry)

    if args.print_result:
        print(value)
    else:
        clipboard.copy(value)


def __handle_history(args):
    if args.history_command == "list":
        for i, entry in enumerate(history.load()):
            print(f"{i}: {format_entry(entry)}")

    elif args.history_command == "get":
        entry = history.get(args.index)
        if entry is None:
            print(f"No history entry at index {args.index}", file=sys.stderr)
            sys.exit(1)

        value = rbw.get_field(entry, args.field)
        if args.print_result:
            print(value)
        else:
            clipboard.copy(value)


if __name__ == "__main__":
    main()