#!/bin/bash
#-----------------------------------------------------------------------------------------------------------------------------------
# 
# Docker Tools Library
# 
# Copyright (C) 2026 Arnaud G. GIBERT
# mailto:arnaud@rx3.net
# 
# This is free software: you can redistribute it and/or modify it
# under the terms of the GNU Lesser 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 Lesser General Public License for more details.
# 
# You should have received a copy of the GNU Lesser General Public
# License along with this program; If not, see
# <https://www.gnu.org/licenses/>.
# 
#-----------------------------------------------------------------------------------------------------------------------------------



#-----------------------------------------------------------------------------------------------------------------------------------
# Includes
#-----------------------------------------------------------------------------------------------------------------------------------

. /usr/lib/rx3/base.bash





#-----------------------------------------------------------------------------------------------------------------------------------
# Appl Home Get
#-----------------------------------------------------------------------------------------------------------------------------------

dt_appl_home_get()
{
    if [[ "${1:-}" != "" ]]
    then
        # Force appl home

        APPL_HOME_DIR="$(realpath "$1")"
    else
        # First check if parent dir has a compose environement
    
        APPL_HOME_DIR="$(realpath "$(dirname "$(dirname "$0")")")"

        if [[ ( "${APPL_HOME_DIR}" != "/usr") && ( ( -f "${APPL_HOME_DIR}/compose.yml") || ( -f "${APPL_HOME_DIR}/compose.yaml")) ]]
        then
            return 0
        fi
    
        # Next check if the current dir has a compose environement
    
        APPL_HOME_DIR="${PWD}"
    fi
    
    if [[ ( -f "${APPL_HOME_DIR}/compose.yml") || ( -f "${APPL_HOME_DIR}/compose.yaml") ]]
    then
        return 0
    else
        echo_error "No appl directory found!"
        return 1
    fi
}