#!/bin/bash

# mp-new | MatterLinux package creation script 
# MatterLinux 2023-2024 (https://matterlinux.xyz)

# 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 <https://www.gnu.org/licenses/>.

#############################
## import common functions ##
#############################
location="$(dirname "${0}")"
location="$(realpath "${location}")"
commonsh="$(echo "${location}" | sed 's/\/bin/\/lib/g')/mtsc-common.sh"

source "${commonsh}"

if [ "${?}" != "0" ]; then
  echo "Failed to import mtsc-common"
  exit 1
fi

#################
## main script ##
#################
if [ -z "$1" ]; then
  error "Please specify a package"
  exit 1
fi

pkg=$(basename "${1}")
target=$(dirname "${1}")

case "${1}" in
  *_*)
    name=$(echo "${pkg}" | cut -d "_" -f1)
    version=$(echo "${pkg}" | cut -d "_" -f2)
    ;;
  *)
    warn "Package version is not specified, using \"1\" as version instead"
    name="${pkg}"
    version="1"
    ;;
esac

if [ -d "${target}/${name}" ]; then
  error "There is already a directory for \"${target}/${name}\""
  exit 1
fi

info "Creating directory for \"${name}\""

mkdir "${target}/${name}"
check_ret "Failed to create package directory for \"${name}\""

cd "${target}/${name}"

cat > pkg.sh << EOF
# general info
NAME="${name}"
DESC=""
VERSION="${version}"

# required files
FILES=()
HASHES=()

# install and build depends
DEPENDS=()
BUILD=()

PACKAGE(){
  tar xf "\${NAME}-\${VERSION}.tar.gz"
  cd "\${NAME}-\${VERSION}"

  # build commands 

  cd .. && rm -r "\${NAME}-\${VERSION}"
}

INSTALL(){
  # install script
  # remove if not requied
}
EOF

cat > changes.md << EOF
# ${version}
First version
EOF

cat > .gitignore << EOF
.cache/
dist/
root/
EOF

success "Created package directory and files for \"${name}\""