#!/usr/bin/env bash

shopt -s nullglob globstar
prefix=${PASSWORD_STORE_DIR-~/.password-store}
password_files=( "$prefix"/**/*.gpg )
password_files=( "${password_files[@]#"$prefix"/}" )
password_files=( "${password_files[@]%.gpg}" )

notify() {
    # prints an integer which is the notification id
    # :param 1: the application name
    # :param 2: summary
    # sadly this is required until there is a direct way to call Notify
    python -c "import dbus; print(dbus.Bus().call_blocking(
      'org.freedesktop.Notifications', '/org/freedesktop/Notifications',
      'org.freedesktop.Notifications', 'Notify', 'susssasa{sv}i',
      ('$1',            # app_name
       0,               # replaces_id
       '',              # app_icon
       '$2',            # summary
       'body',          # body
       [],              # actions
       {},              # hints
       0                # expire_timeout
       )))"
}

notify_close() {
    # :param 1: close the notification with this id
    dbus-send --type=method_call --dest='org.freedesktop.Notifications' \
        /org/freedesktop/Notifications org.freedesktop.Notifications.CloseNotification \
        "uint32:$1"
}

dmenu_show() {
    # :param 1: Name of the password (`pass' path)
    echo "Done"
    pass show "$1" 2>&1 | \
        sed -e 's/^\(pass\|password\):.*/\1: XXXX/' | # mask password \
        sed -n -e '/^.\+$/p' # delete empty lines
}

write_clipboard() {
    # blocks until paste action happens
    xclip -i -verbose -l 1 2>/dev/null
}


password=$(printf '%s\n' "${password_files[@]}" | dmenu "$@")

if [ -z "$password" ]; then
    exit
fi

while true; do 
    choice=$(dmenu_show "$password" | dmenu -l 3 -p "Clipboard $pass")
    case "$choice" in
        login:*|user:*|username:*)
            id=$(notify "dmenu-pass" "Ready to paste username")
            pass show "$password" 2>&1 \
                | sed -ne 's/^\(login\|user\|username\): \?\(.*\)/\2/p' \
                | write_clipboard
            notify_close $id
            ;;
        pass:*|password:*)
            id=$(notify "dmenu-pass" "Ready to paste password")
            pass show "$password" 2>&1 \
                | sed -ne 's/^\(pass\|password\): \?\(.*\)/\2/p' \
                | write_clipboard
            notify_close $id
            ;;
        Done|"")
            break
            ;;
        *)
            echo $choice
            ;;
    esac
done