#!/bin/bash
# written by Alex Filgueira <faidoc@gmail.com>
# adapted for Manjaro by Philip Müller <philm@manjaro.org>

abort()
{
    DIALOG --yesno "${_abort}" 6 42 || return 0
    [[ -e /tmp/.lg ]] && rm -f /tmp/.lg
    [[ -e /tmp/.language ]] && rm -f /tmp/.language
        [[ -e /tmp/.lg-running ]] && rm /tmp/.lg-running
    clear
    exit 1
}

# kernel_cmdline ()
# {
#     for param in $(/bin/cat /proc/cmdline); do
#         case "${param}" in
#             $1=*) echo "${param##*=}"; return 0 ;;
#             $1) return 0 ;;
#             *) continue ;;
#         esac
#     done
#     [ -n "${2}" ] && echo "${2}"
#     return 1
# }

# DIALOG()
# an el-cheapo dialog wrapper
#
# parameters: see dialog(1)
# returns: whatever dialog did
DIALOG() {
    dialog --backtitle "${TITLE}" --aspect 15 "$@"
    return $?
}

error_lgset()
{
    DIALOG --msgbox "${_error}" 0 0
}

dolanguages() {
    # "Scanning for locales..."
    LOCALES=""
    for i in $(cat ${DESTDIR}/etc/locale.gen | grep -v "#  " | sed 's/#//g' | sed 's/ UTF-8//g' | grep .UTF-8); do
        LOCALES="${LOCALES} ${i} -"
    done

    CANCEL=""
    DIALOG --menu "${_select}" 22 60 16 ${LOCALES} 2>${ANSWER} || CANCEL="1"
    if [[ "${CANCEL}" = "1" ]]; then
        S_NEXTITEM="1"
        return 1
    fi
    locale=$(cat ${ANSWER})
    echo ${locale} > /tmp/.locale
    if [[ "${locale}" ]]; then
        DIALOG --infobox "${_set} ${locale}" 0 0
        sed -i "s/#\(${locale}\)/\1/" ${DESTDIR}/etc/locale.gen
        echo "LANG=${locale}" > ${DESTDIR}/etc/locale.conf
        echo "LC_COLLATE=C" >> ${DESTDIR}/etc/locale.conf
        if [[ "$(cat ${DESTDIR}/etc/environment | grep LANG=)" = "" ]]; then
           echo "LANG=${locale}" >> ${DESTDIR}/etc/environment
        else
           sed -i -e "s/^.*LANG=.*/LANG=${locale}/" ${DESTDIR}/etc/environment
        fi
    fi
S_NEXTITEM=2
}


mainmenu() {
    if [[ -n "${S_NEXTITEM}" ]]; then
        DEFAULT="--default-item ${S_NEXTITEM}"
    else
        DEFAULT=""
    fi
    DIALOG ${DEFAULT} --backtitle "${TITLE}" --title "${_menu}" \
                --menu "${_desc}" 17 58 13 \
        "1" "${_locale}" \
        "2" "${EXIT}" 2>${ANSWER}
    case $(cat ${ANSWER}) in
        "1")
            dolanguages
            ;;
        "2")
            [[ -e /tmp/.lg-running ]] && rm /tmp/.lg-running
            clear
            exit 0 ;;
        *)
            abort ;;
    esac
}

: >/tmp/.language
: >/tmp/.lg

# do UID checking here so someone can at least get usage instructions
if [ "$EUID" != "0" ]; then
    echo "error: This script must be run as root."
    exit 1
fi

# force to use english
export LANG=en_US.UTF-8
export LC_MESSAGES=en_US.UTF-8

# Translation
#source /opt/livecd/functions
[[ -r /opt/livecd/util-lng.sh ]] && source /opt/livecd/util-lng.sh

LOCALE=$(get_country)

# English
source /opt/livecd/lg-en.lng
# Turkish
if [ "${LOCALE}" = "tr_TR" ]; then
   source /opt/livecd/lg-tr.lng
fi

ANSWER="/tmp/.lg"
TITLE="${_title}"

if [[ "${1}" = "--setup" ]]; then
    EXIT="${_return}"
    DESTDIR="/install"
else
    EXIT="${_exit}"
    DESTDIR=""
fi

if [[ -e /tmp/.lg-running ]]; then
    echo "${_lg}"
    echo "${_tmp}"
    exit 1
fi 
: >/tmp/.lg-running

while true; do
    mainmenu
done

clear
exit 0

# vim: set ts=4 sw=4 et: