#!/bin/bash
#===============================================================================
#!#
#!# .------. .------. .------.
#!# |E.--. | |M.--. | |R.--. |  author: ripani
#!# | (\/) | | (\/) | | :(): |
#!# | :\/: | | :\/: | | ()() |
#!# | '--'E| | '--'M| | '--'R|
#!# `------' `------' `------'
#!#
#!#  HISTORY
#!#  ----------------
#!#  2022-10-31 : ripani : initial release
#!#
#===============================================================================
#?# usage: emr <command> <subcommand> [parameters]
#?# To see help text, you can run:
#?#
#?#  emr help
#?#  emr <command> help
#?#  emr <command> <subcommand> help
#?#
#===============================================================================

# Uncomment to check syntax, without execution.
# set -n
# Uncomment to debug this shell script
# set -x

DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"

# load functions
source $DIR/../functions/config.sh
source $DIR/../functions/core.sh

# make sure the log path directory exists
mkdir -p $LOG_PATH

# get parameters and shift
command=$1
subcommand=$2
shift && shift

# special commands
[ "$command" == "credits" ] && credits && exit 0

# check input parameters
[[ -z $command ]] && usage && error "missing parameter" && exit 2
[[ ! -f "$DIR/../modules/$command.sh" ]] && usage && error "$command is not a valid command" && exit 2

# check requirements (commands, permissions, etc.)
check_requirements

# load command functions
source "$DIR/../modules/$command.sh"

# execute subcommand function
if [ -n "$(LC_ALL=C type -t $subcommand)" ] && [ "$(LC_ALL=C type -t $subcommand)" = function ]; then
	${subcommand} $*
elif
[ -n "$(LC_ALL=C type -t $command)" ] && [ "$(LC_ALL=C type -t $command)" = function ]; then
	${command} ${subcommand}
else
	[[ -z $subcommand ]] && help && exit 1 || help && error "$subcommand is not a valid subcommand"
fi