#!/bin/bash
source ./messages/message.sh
COMMAND=""
TEST_FILE=""
PWD=$(pwd)
DIR=""

process_args () {
    while :; do 
        case $1 in 
            -h|-\?|--help) 
                usage
                exit 0 
                ;; 
            v|--version) 
                show_version 
                exit 0 
                ;;
            -s|--script)
                COMMAND=$2
                shift
                ;;
            -t|--test-file)
                [[ ! -f ${PWD}/${2} ]] && error "Test file (${2}) not found"
                TEST_FILE=${PWD}/${2}
                shift
                ;;
            -d|--directory)
                [[ ! -d $2 ]] && error "Directory ${2} not found"
                DIR=$2
                shift
                ;;
            *)
                break
        esac
        shift 
    done
}

function usage (){
    msg "\n**Script de test de code retour**\n"
    msg "Ce script permet de comparer les codes retour attendu et ceux obtenus\n"
    msg "Dans le cadre du Mooc bash de la licence ADSILLH\n"
    msg "\n__USAGE__\n\n"
    msg "$0 -d <rep> -s <script> -t <test>\n\n"
    msg "-d\trépertoire ou se trouve le script à tester\n"
    msg "-s\tnom du script à tester\n"
    msg "-t\tfichier texte contenant les paramètres et codes retour attendus\n"
    msg "\tCe fichier contient un test par lignes sous la forme\n"
    msg "\t<arguments>**:**<code_retour_attendu>\n\n"
}

msg "**ADSILLH Bash return code test**\n"
process_args $@
[[ -z $COMMAND || -z $TEST_FILE ]] && error "You must specity a command and a test file"
msg "Test $COMMAND script with $TEST_FILE\n\n"

cd $DIR
[ ! -f $COMMAND ] && error "script **$COMMAND** not found"

while IFS='' read -r i || [[ -n "$line" ]]; do
    args=$(echo $i | cut -d: -f1)
    e_code=$(echo $i | cut -d: -f2)
    msg  "\nScript *${COMMAND}*, paramètres **${args}**\n"
    ret=$(./$COMMAND $args 2>&1) 

    if [[ $? == $e_code ]]
    then
        msg "green" "\tLe code de retour est celui attendu (${e_code})\n"
    else
        msg "yellow" "\tLe code de retour n'est pas correct script : ${#} attendu : ${e_code}\n"
    fi
    msg "blue" "\tRetour : ${ret}\n"
done < "$TEST_FILE"

exit 0