#!/usr/bin/env bash

# Source the script 'common-functions.sh'.
SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
ROOT_DIR=$(grep --only-matching "^.*scripts[^/]*" <<<"$SCRIPT_DIR")
source "$ROOT_DIR/common-functions.sh"

_main() {
    local input_files=""
    local output_dir=""

    # Execute initial checks.
    _check_dependencies "
        command=gpg; pkg_manager=apt; package=gpg |
        command=gpg; pkg_manager=dnf; package=gnupg2 |
        command=gpg; pkg_manager=pacman; package=gnupg |
        command=gpg; pkg_manager=zypper; package=gpg2"
    _display_wait_box "2"
    input_files=$(_get_files "par_type=file; par_select_mime='application/octet-stream|application/pgp-keys|text/plain'")

    # Execute the function '_main_task' for each file in parallel.
    _run_task_parallel "$input_files" "$output_dir"
    _display_result_box ""
}

_main_task() {
    local input_file=$1
    local output_dir=$2
    local std_output=""
    local key_id=""

    # Get the ID from the key.
    key_id=$(gpg --with-colons --import-options show-only --import "$input_file" | grep -m1 "^fpr" | cut -d ':' -f 10 2>/dev/null)

    # Import the key.
    std_output=$(gpg --batch --yes --import "$input_file" 2>&1)
    _check_output "$?" "$std_output" "$input_file" "" || return 1

    # Set the trust level to 'ultimate'.
    std_output=$(printf "%s\n" "$key_id:6:" | gpg --batch --yes --import-ownertrust 2>&1)
    _check_output "$?" "$std_output" "$input_file" "" || return 1
}

_main "$@"