#!/bin/bash

readonly archbuilder_version='ARCHBUILDER_VERSION'
readonly lib_dir='ARCHBUILDER_LIB_DIR'
readonly conf_dir='ARCHBUILDER_CONF_DIR'

. "${lib_dir}/ext/slog.sh"
. "${lib_dir}/ext/bash_log_internals.inc.sh"

. "${conf_dir}/archbuilder.env"

. "${lib_dir}/archbuilder.inc.sh"
. "${lib_dir}/buildah.inc.sh"

test_file "${HOME}/.archbuilder/archbuilder.env" \
    && . "${HOME}/.archbuilder/archbuilder.env"

# internal params
unset _FLAG_KEEP
unset _FLAG_SILENT

_OPT_MODE="build"
_OPT_DEPS=()
_OPT_KEYS=()

_OPT_CON_BUILD_USER="archbuilder"
_OPT_CON_COPTIONS=""

# actions to initialize runtime
unset _ACT_CREATE_IMAGE
unset _ACT_CREATE_BASE_DIR
unset _ACT_CREATE_CACHE_REPO_PATH
unset _ACT_CREATE_LOG_PATH

function usage() {
    echo "archbuilder is a makepkg wrapper that uses buildah for the build process."
    echo "That will lead to a very clean build, where the PKGBUILD and the dependencies,"
    echo "have to be 100% correct and nothing will pollute the host system."
    echo
    echo "Usage:"
    echo "  archbuilder [options] -- <coptions>"
    echo
    echo "Options:"
    echo -e "  -h, --help\t\t\t\t\tPrint this help"
    echo -e "  -k, --keep\t\t\t\t\tKeep the working container that is used for the build"
    echo -e "  -n, --name <string>\t\t\t\tImage name that is used to spin up the container (default: ${INAME})"
    echo -e "  -m, --mode <create | update | build>\t\tRun mode: (default: ${MODE})"
    echo -e "                                      \t\tcreate will setup the base image"
    echo -e "                                      \t\tupdate will update the base image"
    echo -e "                                      \t\tbuild will build the PKGBUILD"
    echo -e "  -d, --dep <string>\t\t\t\tPath to pacman package file that is needed as dependency for the build. (Can be added multiple times)"
    echo -e "  -e, --key <string>\t\t\t\tPublic signing keys that should be trusted by for the build. (Can be added multiple times)"
    echo -e "  -r, --repo <string>\t\t\t\tHost path to use as repository inside the container. This can be used to avoid"
    echo -e "                     \t\t\t\thanding over dependencies via command line arguments as they will be added to this repo"
    echo -e "  -s, --silent <string>\t\t\t\tMake container silent: No output from container commands will be send to shell."
    echo -e "  --version <string>\t\t\t\tPrint version information."
    echo
    echo "coptions:"
    echo -e "  These options will be handed over directly to makepkg inside the buildah container to build the package."
    echo -e "  coptions has to be added ater the double dash -- to work."
}

options=$(getopt \
    -o hkn:m:p:d:r:e:s \
    -l "help" \
    -l keep \
    -l name: \
    -l mode: \
    -l dep: \
    -l repo: \
    -l silent: \
    -l version \
    -l key: -- "$@" 2>/dev/null)

eval set -- "${options}"
while true; do
    case "${1}" in
        -k|--keep)
            _FLAG_KEEP=1
            ;;
        -n|--name)
            shift
            ARCHBUILDER_IMAGE_NAME=${1}
            ;;
        -m|--mode)
            shift
            _OPT_MODE="${1}"
            ;;
        -d|--dep)
            shift
            _OPT_DEPS[${#_OPT_DEPS[*]}]="${1}"
            ;;
        -e|--key)
            shift
            _OPT_KEYS[${#_OPT_KEYS[*]}]="${1}"
            ;;
        -r|--repo)
            shift
            ARCHBUILDER_CACHE_REPO="${1}"
            ;;
        -s|--silent)
            _FLAG_SILENT=1
            ;;
        --version)
            echo -e "archbuilder v${archbuilder_version}"
            exit 0
            ;;
        --)
            shift
            break
            ;;
        -h|--help|*)
            usage
            exit 0
            ;;
    esac
    shift
done

_OPT_CON_COPTIONS=$@

set_env
init_env

buildah_prepare_params


function exit_trap() {
    buildah_exit
}
trap exit_trap EXIT

buildah_create

case "${_OPT_MODE}" in
    "create")
        buildah_create
        ;;
    "update")
        buildah_update
        ;;
    "build")
        buildah_build
        ;;
esac

exit 0