#!/bin/sh

set -euC

help_text=

help_text="$help_text  build\t[]\t\n"
dev_config () {
    mkdir -p blib
    ./configure -e extractrs -d blib/
}

help_text="$help_text  unconfigure\t[]\tresets the build\n"
unconfigure () {
    ninja -t clean || true
    rm build.ninja lib/JWebmail/Config.pm
    rm -r blib
}

help_text="$help_text  srcdist\t[]\tcreate a source distribution\n"
srcdist () {
    if tar --version | head -n1 | grep -q GNU
    then tar --posix -czf JWebmail-srcdist.tgz -T MANIFEST
    else xargs tar -czf JWebmail-srcdist.tgz <MANIFEST
    fi
}

help_text="$help_text  build\t[]\t\n"
build () {
    env PATH="node_modules/.bin/:$PATH" ninja "$@"
}

help_text="$help_text  start_dev\t[]\tstarts a hot reloading dev server\n"
start_dev () {
    morbo script/jwebmail
}

help_text="$help_text  logrotate_dev\t[mode=development]\tarchives the current log file\n"
logrotate_dev () {
    mode=${1:-development}
    mv -i "log/$mode.log" "log/${mode}_$(date --iso-8601=minutes).log"
}

help_text="$help_text  follow_log\t[mode=development]\tfollows the current log file\n"
follow_log () {
    mode=${1:-development}
    tail -f "log/$mode.log"
}

help_text="$help_text  release_check\t[]\t\n"
release_check () {
    files='README.md CHANGES.md LICENSE'
    for file in $files
    do
        fold -s -w 85 "$file" | diff "$file" -
    done

    perl -nE 'chomp; say if $_ && !-e' MANIFEST
}

help_text="$help_text  list_deps\t[module=JWebmail]\tlists all non core dependencies of a module\n"
list_deps () {
    module=${1:-JWebmail}
    core="$(corelist -v v5.34.1 | awk '{ print $1 }')"
    deps="$(perl -wE "use lib 'lib'; use Module::Load::Conditional 'requires'; @res = requires '$module'; \$\" = qq(\n); say \$res[0] ? qq(@res) : ''")"

    for dep in $deps
    do
        if ! echo "$core" | grep -qxF "$dep"
        then echo "$dep"
        fi
    done
}

help_text="$help_text  list_translations\t[raw='']\tlists translatable snipptes on a best effort base (incomplete!!)\n"
list_translations () {
    raw=${1-}
    if [ "$raw" ]
    then
        find lib -name '*.pm' -exec grep '\->l(' '{}' '+'
        find templates -name '*.html.ep' -exec grep "l[ (][\"']" '{}' '+'
    else
        p1="$(find lib -name '*.pm' -exec grep '\->l(' '{}' '+' | sed 's/^\(\S*\):.*->l(\([^)]*\)).*$/\1: \2/')"
        p2="$(find templates -name '*.html.ep' -exec grep "l[ (][\"']" '{}' '+' | sed "s/^\\(\\S*\\):.*l[ (][\"']\\([^\"']*\\)[\"'].*$/\\1: '\\2'/")"
        echo "$(echo "$p1"; echo "$p2")" | sort | uniq
    fi
}

help () {
    echo "The following actions are available:"
    echo
    printf "$help_text\n" | expand -t 21,41
}

cmd=${1-help}
[ $# -gt 0 ] && shift
if LANG=C type "$cmd" 2>/dev/null | grep -q 'function$'
then $cmd "$@"
else echo "unkown commad '$cmd'" >&2; exit 1
fi