#!/usr/bin/env bash
# -------------------------------------------
#       @script: x64-syscall.sh
#         @link: https://github.com/NRZCode/x64-syscall
#  @description: ---
#      @license: GNU/GPL v3.0
#      @version: 0.0.1
#       @author: NRZ Code <nrzcode@protonmail.com>
#      @created: 29/07/2025 00:06
#
# @requirements: ---
#         @bugs: ---
#        @notes: ---
#     @revision: ---
# -------------------------------------------
# Copyright (C) 2025   NRZ Code <nrzcode@protonmail.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# -------------------------------------------
# USAGE
#   x64-syscall.sh
# -------------------------------------------
version='0.0.1'
usage='  Usage: x64-syscall.sh [OPTIONS]

DESCRIPTION
  Script Description

OPTIONS
  General options
    -h, --help        Print this help usage and exit
    -v, --version     Display version information and exit
'
copy='Copyright (C) 2025 NRZ Code <nrzcode@protonmail.com>.
License: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
'

# functions ---------------------------------
check_dependencies() {
    local code=0
    for dep; do
        if ! type -p $dep &>/dev/null; then
            echo "ERROR: ${BASH_SOURCE##*/}: $dep dependency is missing."
            code=1
        fi
    done
    return $code
}

x64-syscall() {
    printf -v preview '%11s: {%d}\n' \
        'references' 3 \
        'RAX' 4 \
        'ARG0(rdi)' 5 \
        'ARG1(rsi)' 6 \
        'ARG2(rdx)' 7 \
        'ARG3(r10)' 8 \
        'ARG4(r8)' 9 \
        'ARG5(r9)' 10
    preview="echo \"$preview\"; (:); printf -v hr \"%*s\" \$COLUMNS; echo \"\${hr// /─}\"; batcat --color=always -plman <(man 2 {2})"
    fzf \
        -e -i \
        --tiebreak begin \
        --border-label $'┤ \e[1;34mSystem Calls 64 BITS\e[0m ├' \
        --bind 'enter:become(man 2 {2}),focus:transform-preview-label(echo [ {2} ])' \
        --header-lines 1 \
        --delimiter '|' \
        --with-nth $'{1}\t{2}' \
        --reverse \
        --preview-window 70%  \
        --preview "$preview" < "$(dirname "$BASH_SOURCE")/x64-syscall.list"
}

# main --------------------------------------
check_dependencies fzf batcat || exit 1
[[ $BASH_SOURCE == $0 ]] && x64-syscall "$@"