#!/usr/bin/env bash

# AUTHOR: Clemens Schwaighofer
# DATE: 2025/6/27
# DESC: Setup basic variables

CONFIG_BASE="${BASE_FOLDER}../config/";
if [ -f "${CONFIG_BASE}webhook.cfg" ]; then
	# shellcheck source=../config/webhook.cfg"
	# shellcheck disable=SC1091
	source <(grep "=" "${CONFIG_BASE}webhook.cfg" | sed 's/ *= */=/g')
fi;
error=0;
if [ "${USE_SUDO}" != "0" ] && ! id "${SUDO_USER}" &>/dev/null; then
	echo "[!] sudo user ${SUDO_USER} does not exist";
	error=1;
fi;
# check that user exist
# check that git exists
if [ -z "$(command -v git)" ]; then
	echo "[!] git is not installed";
	error=1;
fi;
GIT_COMMAND_BASE=("git");
SUDO_COMMAND=()
if [ "${USE_SUDO}" == 1 ]; then
	# if we are root -> ok, else we must be SUDO USER
	if [ "$(whoami)" = "root" ]; then
		SUDO_COMMAND=("sudo" "-u" "${SUDO_USER}");
		GIT_COMMAND_BASE=("${SUDO_COMMAND[@]}" "git");
	elif [ "$(whoami)" != "${SUDO_USER}" ]; then
		echo "[!] Script must be run as root or as the ${SUDO_USER}";
		error=1;
	fi;
fi;

# add trailing slash if not set
GIT_WEBHOOK_BASE_FOLDER="${GIT_WEBHOOK_BASE_FOLDER%/}/"
CLONE_BASE="clone-base/"
LOG_FOLDER="log/"

# base folder does not exist
if [ ! -d "${GIT_WEBHOOK_BASE_FOLDER}" ]; then
	echo "[!] Base folder: ${GIT_WEBHOOK_BASE_FOLDER} not found";
	error=1;
fi;

# branch name not set
if [ -z "${BRANCH}" ]; then
	echo "[!] No branch name given";
	error=1;
fi;

# check that log folder exists
if [ ! -d "${GIT_WEBHOOK_BASE_FOLDER}${LOG_FOLDER}" ]; then
	echo "[!] Log folder does not exist: ${GIT_WEBHOOK_BASE_FOLDER}${LOG_FOLDER}";
	error=1;
fi;

# check that the base clone folder exists
if [ ! -d "${GIT_WEBHOOK_BASE_FOLDER}${CLONE_BASE}" ]; then
	echo "[!] Clone base folder does not exist: ${GIT_WEBHOOK_BASE_FOLDER}${CLONE_BASE}";
	error=1;
fi;

# exit on error
if [ $error -eq 1 ]; then
	exit;
fi;

export GIT_COMMAND_BASE;