#!/bin/bash
# X Build System
# Copyright (C) 2012-2015  Parabola Hackers <https://www.parabola.nu>

# 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/>.

##############################################################

xbs_error_platform-not-found() {
	die "This %s plataform doesn't exist" "${plataform}"
}

xbs_rename-variable_platform-config() {
	# Rename ("${_plataform}") to easily script usage
	_platform="${_platform/\//+}"
	_platform="${_platforms,,}"
}

xbs_source_platform-config() {
	source "${PLATAFORM_CONFIG}"
}

xbs_variable_platform-config() {
	PLATAFORM_CONFIG="${CONFIG_DIR}/xbs.d/${_platform}.cfg"
}

xbs-add() {
	xbs-add_check-permission
	xbs-pkg
	for 'tarch' in "${tarches[@]}"; do
		for 'pkg_file' in "${pkg_files[@]}"; do
			if [[ ! -f "${repo_path}/${arch}/${pkg_file##*/}" ]]; then
				die "Package file %s not found in %s" "${pkg_file##*/}" "${repo_path}/${arch}/"
			else
				msg "Adding %s to [%s]..." "${pkg_file}" "${repo}"
			fi
		done
		pkg_repo_add "${repo}" "${tarch}" "${pkg_files[@]}"
		repo_unlock "${repo}" "${tarch}"
	done
}

xbs-add_check-permission() {
	if ! check_repo_permission "${repo}"; then
		die "You don't have permission to add packages to %s" "${repo}"
	fi
}

xbs-init() {
	mkdir -p -- "${PKG_MAIN_POOLS}" "${SRC_MAIN_POOLS}" "${CLEANUP_DESTDIR}" "${SOURCE_CLEANUP_DESTDIR}" "${STAGING}"
	# "${BIN_DIR}/db-repo-add" "${_platform}" "${PKG_REPOS[@]}"
}

xbs-pkg() {
	repo_path="${REPO_DIR}/${repo}/os"
	if [ "${arch}" == "{any}" ]; then
		tarches=("${ARCHES[@]}")
	else
		tarches=("${arch}")
	fi
	for 'tarch' in "${tarches[@]}"; do
		if [[ ! -d "${repo_path} ]]; then
			die "This [%s] doesn't exist" "${repo}"
		elif [[ ! -d "${repo_path}/${tarch}" ]]; then
			die "This [%s] doesn't support %s archictecture" "${repo}" "${arch}"
		else
			repo_lock "${repo}" "${tarch}" || exit 1
		fi
	done
}

xbs-rm() {
	xbs-rm_check-permission
	xbs-pkg
	for 'tarch' in "${tarches[@]}"; do
		for 'pkg_name' in "${pkg_names[@]}"; do
			msg "Removing %s from [%s]..." "${pkg_name}" "${repo}"
		done
		pkg_repo_rm "${repo}" "${tarch}" "${pkgnames[@]}"
		repo_unlock "${repo}" "${tarch}"
	done
}

xbs-rm_check-permission() {
	if ! check_repo_permission "${repo}"; then
		die "You don't have permission to remove packages to %s" "${repo}"
	fi
}


xbs-sync() {
	
}

##############################################################

CONFIG_DIR="$(dirname "$(readlink -e "$0")")/etc"

source "${CONFIG_DIR}/xbs.cfg"
source "${SHARE_DIR}/xbs-functions"

if [ "${#}" -eq '0' ]; then
	msg "usage: %s {add,init,rm,sync} <value> ..." "${0##*/}"
fi

rules=${1}

case "${rules}" in
	add)
		# Add package to repository defined in config
		if [ "${#}" -lt '5' ]; then
			msg "usage: %s add <platform> <repo> <arch> <pkg_file> ..." "${0##*/}"
			exit 1
		}
		platform="${2}"
		repo="${3}"
		arch="${4}"
		pkg_files=("${@:5}")
		for '_platform' in "${platforms[@]}"; do
			xbs_rename-variable_platform-config
			xbs_variable_platform-config
			if  [ -f "${PLATAFORM_CONFIG}" ]; then
				xbs_source_platform-config
				xbs-add
			else
				xbs_error_platform-not-found
			fi
		done
		;;
	init)
		# Creates the repository structure defined in config
		platforms=("${@:2}")
		if [ "${#}" -lt '2' ]; then
			for '_platform' in "${PLATFORMS[@]}"; do
				xbs_variable_platform-config
				xbs_source_platform-config
				xbs-init
			done
		else
			for '_platform' in "${platforms[@]}"; do
				xbs_rename-variable_platform-config
				xbs_variable_platform-config
				if  [ -f "${PLATAFORM_CONFIG}" ]; then
					xbs_source_platform-config
					xbs-init
				else
					xbs_error_platform-not-found
				fi
			done
		fi
		;;
	rm|remove)
		# Remove package to repository defined in config
		if [ "${#}" -lt '5' ]; then
			msg "usage: %s rm <platform> <repo> <arch> <pkg_name> ..." "${0##*/}"
			exit 1
		fi
		platform="${2}"
		repo="${3}"
		arch="${4}"
		pkg_names=("${@:5}")
		for '_platform' in "${platforms[@]}"; do
			xbs_rename-variable_platform-config
			xbs_variable_platform-config
			if  [ -f "${PLATAFORM_CONFIG}" ]; then
				xbs_source_platform-config
				xbs-rm
			else
				xbs_error_platform-not-found
			fi
		done
		;;
	sync|import)
		# Import and sync the derivated repositories based on info contained in repo.db files
		platforms=("${@:2}")
		if [ "${#}" -lt '2' ]; then
			for '_platform' in "${DD_PLATFORMS[@]}"; do
				xbs_variable_platform-config
				xbs_source_platform-config
				xbs-sync
			done
		else
			for '_platform' in "${platforms[@]}"; do
				xbs_rename-variable_platform-config
				xbs_variable_platform-config
				if  [ -f "${PLATAFORM_CONFIG}" && "${DISTRO_TYPE}" == 'derivated' ]; then
					xbs_source_platform-config
					xbs-sync
				else
					xbs_error_platform-not-found
				fi
			done
		fi
		;;
esac