#!/usr/bin/env sh

set -euC

help_text=

help_text="$help_text  install\t[]\t\n"
install () {
    perl Makefile.PL
    make
    make test
    make install
}

help_text="$help_text  dist\t[]\tcreate a source distribution\n"
dist () {
    perl Makefile.PL
    make
    make test
    make dist
}

help_text="$help_text  run_tests\t[arg]\tpasses arg to the 'prove' tool\n"
run_tests () {
    eval "prove -l ${1-} t/"
}

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

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

help_text="$help_text  linelength\t[files]\tchecks documentation files for overly long lines\n"
linelength () {
    files=${1:-'README.md CHANGES.md LICENSE'}
    for file in $files
    do
        fold -s -w 85 "$file" | diff "$file" -
    done
}

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

help_text="$help_text  check_manifest\t[]\tchecks if files in the MANIFEST actually exist\n"
check_manifest () {
    perl -nE 'chomp; say if $_ && !-e' MANIFEST
}

help_text="$help_text  list_deps\t[module]\tlists all non core dependencies of a module (default=JWebmail)\n"
list_deps () {
    module=${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" | expand -t 22,33
    echo
}

if [ $# -gt 0 ]
then cmd=$1; shift
else cmd=help
fi
if [ "$(command -v "$cmd")" = "$cmd" ]
then eval "$cmd" "$@"
else echo "unkown commad '$cmd'"; exit 1
fi