start

#!/bin/bash
# -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
MYDIR="$(cd "$(dirname "$0")"; pwd)"
source "$MYDIR/config/shared_env" || exit 1
source "$MYDIR/src/functions.sh" || exit 1
source "$MYDIR/config/moodle.conf" || exit 1

SOPTS=rbDjK0a:dkn
LOPTS=help,build,remove,nuke,archive:,debug,no-cache,detach,stop,none
args="$(getopt -n "$MYNAME" -o "$SOPTS" -l "$LOPTS" -- "$@")" || exit 1; eval "set -- $args"

build=
build_args=()
remove=
nuke=
archive=
action=up
action_options=()
while [ $# -gt 0 ]; do
    case "$1" in
    --) shift; break;;
    --help)
        echo "\
$MYNAME: lancer moodle-dev

USAGE
    $MYNAME [options...]

OPTIONS
    -r, -b, --build
    -D, --debug
    -j, --no-cache
        (re)construire l'image avant de lancer les containers
    -K, --remove
        supprimer les volumes et la configuration pour redémarrer à zéro
    -0, --nuke
        supprimer aussi le répertoire install/moodle
    -a, --archive ARCHIVE
        spécifier l'archive à utiliser dans le répertoire install e.g
            ./$MYNAME -rK0 -a moodle-latest-501.tgz
        pour forcer l'installation de la version 5.1
    -d, --detach
        lancer les containers en tâche de fond
    -k, --stop
        arrêter les containers qui tournent en tâche de fond"
        exit 0
        ;;
    -r|-b|--build) build=1;;
    -D|--debug) build_args+=(--progress plain);;
    -j|--no-cache) build_args+=(--no-cache);;
    -K|--remove) remove=1;;
    -0|--nuke) nuke=1;;
    -a|--archive) shift; archive="$1";;
    -d|--detach) action=up; action_options+=(--detach);;
    -k|--stop) action=down;;
    -n|--none) action=none;;
    *) die "$1: option non configurée";;
    esac
    shift
done

cd "$MYDIR"
if [ -n "$remove" ]; then
    docker compose down -v
    if [ -n "$nuke" ]; then
        rm -rf install/moodle
    else
        rm -f install/moodle/config.php
    fi
fi

cd "$MYDIR/install"
if [ ! -d moosh ]; then
    eval "files=($(ls -r moosh_*.zip 2>/dev/null))"
    [ ${#files[*]} -gt 0 ] || die "Impossible de trouver l'archive moosh"
    moosh="${files[0]}"

    echo "... décompression de $moosh"
    unzip "$moosh" || die
fi
set_supportv51=none
if [ ! -d moodle ]; then
    if [ -n "$archive" ]; then
        moodle="$(basename "$archive")"
        [ -f "$moodle" ] || die "$archive: fichier introuvable"
    else
        eval "files=($(ls -r moodle-*.tgz moodle-*.zip 2>/dev/null))"
        [ ${#files[*]} -gt 0 ] || die "Impossible de trouver l'archive moodle"
        moodle="${files[0]}"
    fi

    echo "... décompression de $moodle"
    case "$moodle" in
    *.tgz) tar xzf "$moodle";;
    *.zip) unzip "$moodle";;
    esac || die

    set_supportv51 "$moodle"
    set_supportv51="$supportv51"
fi

source "$MYDIR/src/setup.sh" || exit 1

cd "$MYDIR"
eval "srcs=($(find -type f -name "*.in"))"
rebuild=
for src in "${srcs[@]}"; do
    dest="${src%.in}"
    if [ -n "$build" ]; then regen=1
    elif [ ! -f "$dest" ]; then regen=1
    elif [ "$src" -nt "$dest" ]; then regen=1
    else regen=
    fi
    if [ -n "$regen" ]; then
        sed <"$src" >"$dest" "
          s|@@moodleroot@@|$moodleroot|
          s|@@supportv51@@|$set_supportv51|"
        rebuild=1
    fi
done
[ -n "$rebuild" -a "$action" != none ] && build=1

if [ -n "$build" ]; then
    echo "... construction des images"
    if [ -n "$supportv51" ]; then
        echo "INFO: support Moodle 5.1+"
    else
        echo "INFO: support Moodle 4.5 - 5.0 uniquement"
    fi
    docker compose build "${build_args[@]}" || exit 1
fi

if [ "$action" != none ]; then
    case "$action" in
    up) echo "... démarrage des containers";;
    down) echo "... arrêt des containers";;
    esac
    exec docker compose "$action" "${action_options[@]}"
fi