#!/bin/sh

function parse_yaml() {
    local yaml_file=$1
    local prefix=$2
    local s
    local w
    local fs

    s='[[:space:]]*'
    w='[a-zA-Z0-9_.-]*'
    fs="$(echo @|tr @ '\034')"

    sed -e "/- [^\"][^\'].*:/s|\([ ]*\)- \($s\)|\1-\n  \1\2|g" "$yaml_file" |

    sed -ne '/^--/s|--||g; s|\"|\\\"|g; s/\s*$//g;' \
        -e "/#.*[\"\']/!s| #.*||g; /^#/s|#.*||g;" \
        -e "s|^\($s\)\($w\)$s:$s\"\(.*\)\"$s\$|\1$fs\2$fs\3|p" \
        -e "s|^\($s\)\($w\)$s[:-]$s\(.*\)$s\$|\1$fs\2$fs\3|p" |

    awk -F"$fs" '{
        indent = length($1)/2;
        if (length($2) == 0) { conj[indent]="+";} else {conj[indent]="";}
        vname[indent] = $2;
        for (i in vname) {if (i > indent) {delete vname[i]}}
            if (length($3) > 0) {
                vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("_")}
                printf("%s%s%s%s=(\"%s\")\n", "'"$prefix"'",vn, $2, conj[indent-1],$3);
            }
        }' |

    sed -e 's/_=/+=/g' |

    awk 'BEGIN {
             FS="=";
             OFS="="
         }
         /(-|\.).*=/ {
             gsub("-|\\.", "_", $1)
         }
         { print }'
}

function create_variables() {
    local yaml_file="$1"
    eval "$(parse_yaml "$yaml_file")"
}

function sep1()
{
	echo '-------------------------------------------------------------------------'
}
function sep2()
{
	echo '#########################################################################'
}
function info()
{
	sep1
	echo "INFO  - $(date +"%m-%d-%Y %H:%M") $@"
	sep1
}
function error()
{
	sep1
	echo "ERROR - $(date +"%m-%d-%Y %H:%M") $@"
	sep1
}

cmd()
{
	local label="$1"
	local cmd="$2"
	local is_test="$3"

	local lRC
	info "BEGIN - $label"
	echo "Commande: $cmd"
	[ -d "$md5_dir" ] || mkdir -p $md5_dir
	if [ -f "$md5_dir/$(echo "$label$cmd" |md5sum|awk '{print $1}')" -a -z "$is_test" ];then
		info  "END - $label Skipped ..."
		 return 0
	fi
	sep1
	eval $cmd
	lRC=$?
	sep1
	echo "Code retour: $lRC"
	if [ $lRC -ne 0 ]; then
		error "END  - $label"
		return $lRC
	fi
	[ -z "$is_test" ] && touch $md5_dir/$(echo "$label$cmd"|md5sum|awk '{print $1}')
	info  "END   - $label"
}

parse_conf()
{
	local conf=$1
	create_variables $conf
}

execute_tasks()
{
	local label
	local cmd
	env|grep task
	for i in $(seq 1 10000); do
		task_label="$(eval "echo \${task${i}_label}")"
		task_cmd="$(eval "echo \${task${i}_command}")"
		task_is_test="$(eval "echo \${task${i}_is_test}")"
		if [ -z "$task_label" ];then
			break
		fi
		task_sudo="$(eval "echo \${task${i}_sudo_mode}")"
		if [ "$task_sudo" = "1" -o "$task_sudo" = "yes" -o "$task_sudo" = "YES" -o "$task_sudo" = "on" ];then
			task_cmd="sudo $task_cmd"
		fi

		cmd "$i) $task_label" "$task_cmd" $task_is_test
		sep2
	done
}

parse_conf $1
execute_tasks