#!/bin/bash
#
# 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; version 2 of the License.
#
# 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.

version=@version@

LIBDIR='@libdir@'
SYSCONFDIR='@sysconfdir@'

[[ -r ${LIBDIR}/util-msg.sh ]] && source ${LIBDIR}/util-msg.sh
[[ -r ${LIBDIR}/util.sh ]] && source ${LIBDIR}/util.sh

display_settings(){
    msg "manjaro-tools"
    msg2 "version: ${version}"

    if [[ -f ${USER_CONFIG}/manjaro-tools.conf ]]; then
	msg2 "user_config: ${USER_CONFIG}/manjaro-tools.conf"
    else
	msg2 "manjaro_tools_conf: ${manjaro_tools_conf}"
    fi

    msg "ARGS:"
    msg2 "sync: ${sync}"
    msg2 "abs: ${abs}"
    msg2 "clean: ${clean}"

    msg "PATHS:"
    msg2 "tree_dir: ${tree_dir}"
    msg2 "repo_tree: ${repo_tree[*]}"
    msg2 "host_tree: ${host_tree}"
    msg2 "host_tree_abs: ${host_tree_abs}"
}

prepare_dir(){
    [[ ! -d $1 ]] && mkdir -p $1
}

sync_tree(){
    cd ${tree_dir}
    for repo in ${repo_tree[@]};do
	if [[ -d packages-$repo ]];then
	    cd packages-$repo
	    msg "Syncing $repo ..."
	    git pull origin master
	    cd ..
	else
	    msg "Cloning $repo ..."
	    git clone --depth 1 ${host_tree}/packages-$repo.git
	fi
    done
    cd ..
}

sync_tree_abs(){
    cd ${tree_dir}/abs
    if [[ -d packages ]];then
	cd packages
	msg "Syncing abs ..."
	git pull origin master
	cd ..
    else
	msg "Cloning abs ..."
	git clone --depth 1 ${host_tree_abs}.git
    fi
    cd ..
}

clean_tree_dir(){
    if [[ -d ${tree_dir} ]]; then
	msg "Cleaning ${tree_dir} ..."
	rm -r ${tree_dir}/*
    fi
}

load_user_info

load_config "${USER_CONFIG}/manjaro-tools.conf"
load_config "${SYSCONFDIR}/manjaro-tools.conf"

sync=false
pretend=false
abs=false
clean=false

usage() {
    echo "Usage: ${0##*/} [options]"
    echo "    -s            Sync manjaro tree"
    echo "    -a            Sync arch abs"
    echo '    -c            Clean package tree'
    echo '    -q            Query settings'
    echo '    -h            This help'
    echo ''
    echo ''
    exit $1
}

orig_argv=("$@")

opts='sacqh'

while getopts "${opts}" arg; do
    case "${arg}" in
	s) sync=true ;;
	a) abs=true ;;
	c) clean=true ;;
	q) pretend=true ;;
	h|?) usage 0 ;;
        *) echo "invalid argument '${arg}'"; usage 1 ;;
    esac
done

shift $(($OPTIND - 1))

tree_dir=${cache_dir}/pkgtree

check_root "$0" "${orig_argv[@]}"

prepare_dir "${tree_dir}/abs"

${pretend} && display_settings && exit 1

${clean} && clean_tree_dir && exit 1

${sync} && sync_tree

${abs} && sync_tree_abs