#!/bin/sh

PROJECT_NAME=${PROJECT_NAME:-neo}
BLACKLIST=""

alias dc="docker-compose -p $PROJECT_NAME"
# alias dc="echo docker-compose -p $PROJECT_NAME"

fatal() {
    echo "FATAL: $@"
    exit 1
}

only() {
    FILE="docker-compose.$1.yml"; shift
    default() {
        dc -f $FILE $@
    }
    handleFallthrough $@
}

default() {
    file_opts=""
    for f in docker-compose.*.yml; do
        # echo $BLACKLIST | grep -q $f && continue
        echo $BLACKLIST | grep -q $(echo $f | cut -d. -f2) && continue
        file_opts="$file_opts -f $f"
    done
    dc $file_opts $@
}

handleFallthrough() {
    cmd=${1:-}; shift
    case $cmd in
        only) only $@ ;;
        delete-project-files|dpf)
            [ -n "$1" ] || fatal "no directory specified"
            [ -d /srv/$1 ] || fatal "directory doesn't exist"
            ls /srv/$1
            printf "Are you sure? (yes/no) [no]: "
            read answer
            [ "$answer" = "yes" ] && sudo rm -rf /srv/$1 || fatal "cancelled"
        ;;

        -b)
            BLACKLIST="$BLACKLIST $1"; shift
            handleFallthrough $@
        ;; 

        setup-all) 
            sh utils/setup.sh
        ;;

        make:*)
            WHAT=`echo $cmd | cut -c6-`
            case $WHAT in
                dc|docker-compose)
                    [ -n "$1" ] || fatal "no name specified"
                    FILE="docker-compose.$1.yml"
                    [ -f $FILE ] && fatal "file exists"
                    echo -e "version: '2.2'\n" > $FILE
                    echo -e "services: \n" >> $FILE
                ;;
                backup)
                    [ -n "$1" ] || fatal "no name specified"
                    FILE="$1.tar.gz"
                    [ -f $FILE ] && fatal "file exists"
                    tar cvf $FILE /srv .
                ;;
                *) fatal "not supported" ;;
            esac
        ;;

        # preference
        logs) default logs --tail=20 -f $@ ;;
        up) default up -d $@ ;;

        default) default $@ ;;
        *|'') default $cmd $@ ;;
    esac
}

handleFallthrough $@