#!/bin/sh -e
# Input Method configuration
# (C) 2010-2017 Osamu Aoki <osamu@debian.org>, GPL-2+
# vim: set sts=4 expandtab:
#############################################################
# Common configuration functions and pre-defined variables
# used by this im-config and its hook script.
#############################################################
. /usr/share/im-config/xinputrc.common
#############################################################
# Set configuration file used based on UID
#############################################################
if [ $(id -u) = 0 ]; then
    IM_CONFIG_XINPUTRC=$IM_CONFIG_XINPUTRC_SYS
    IM_CONFIG_XINPUTRC_TYPE="$(gettext "system configuration")"
else
    IM_CONFIG_XINPUTRC=$IM_CONFIG_XINPUTRC_USR
    IM_CONFIG_XINPUTRC_TYPE="$(gettext "user configuration")"
fi
#############################################################
# Configuration functions and pre-defined variables used by
# this im-config.
#############################################################
IM_CONFIG_AUTOMATIC=$(automatic_im)
IM_CONFIG_AUTOBASE=$(autobase_im)
. /usr/share/im-config/im-config.common
# This is used everywhere
IM_CONFIG_MSGA="$(gettext "Explicit selection is not required to enable the automatic configuration if the active one is default/auto/cjkv/missing.")"
IM_CONFIG_RTFM="$(gettext "If a daemon program for the previous configuration is re-started by the X session manager, you may need to kill it manually with kill(1).")"
IM_CONFIG_RTFM="$(eval_gettext "\$IM_CONFIG_RTFM
See im-config(8) and /usr/share/doc/im-config/README.Debian.gz for more.")"
IM_CONFIG_ALL=false
IM_CONFIG_DRY=false
if [ "x$DISPLAY" != "x" ]; then
    # X (GTK GUI) dialog with zenity
    IM_CONFIG_DIALOG="X"
else
    # console dialog
    IM_CONFIG_DIALOG="console"
fi
IM_CONFIG_LIST=false
IM_CONFIG_ACTIVE0=$(IM_CONFIG_XINPUTRC=$IM_CONFIG_XINPUTRC_SYS active_im)
IM_CONFIG_ACTIVE=$(active_im)
#############################################################
# Parse command line arguments
#############################################################
IM_CONFIG_ID="$(eval_gettext "Input Method Configuration (im-config, ver. \$IM_CONFIG_VERSION)")"
IM_CONFIG_SETMODE="${IM_CONFIG_SETMODE:-+x}"
set $IM_CONFIG_SETMODE
while [ -n "$1" ]; do
    case $1 in
    -d)
        # debug trace mode :-) undocumented.
        IM_CONFIG_SETMODE="-x"
        set $IM_CONFIG_SETMODE
        ;;
    -a)
        IM_CONFIG_ALL=true
        ;;
    -c)
        IM_CONFIG_DIALOG="console"
        ;;
    -x)
        IM_CONFIG_DIALOG="X"
        ;;
    -s)
        IM_CONFIG_DRY=true
        ;;
    -l)
        IM_CONFIG_LIST=true
        ;;
    -m)
        echo "$IM_CONFIG_ACTIVE0"
        echo "$IM_CONFIG_ACTIVE"
        echo "$IM_CONFIG_AUTOMATIC"
        echo "$IM_CONFIG_PREFERRED"
        echo "$IM_CONFIG_AUTOBASE"
        exit
        ;;
    -n)
        shift
        IM_CONFIG_NAME=$1
        write_config $IM_CONFIG_NAME $IM_CONFIG_XINPUTRC
        exit
        ;;
    -o)
        shift
        . $IM_CONFIG_DATA/??_$1.conf
        echo -n "$IM_CONFIG_LONG"
        exit
        ;;
    *)
        eval_gettext \
"\$IM_CONFIG_ID
(c) Osamu Aoki <osamu@debian.org>, GPL-2+
See im-config(8), /usr/share/doc/im-config/README.Debian.gz." >&2
        echo >&2
        exit
        ;;
    esac
    shift
done
#############################################################
# Check number of installed input methods (10-89)
#############################################################
IM_CONFIG_NUMBER=0
IM_CONFIG_AVAIL=""
for IM_CONFIG_PATH in $IM_CONFIG_DATA/[12345678][0123456789]_*.rc ; do
    IM_CONFIG_NAME=$(name_im $IM_CONFIG_PATH)
    if ( $IM_CONFIG_ALL || avail_menu $IM_CONFIG_NAME ) && [ $IM_CONFIG_NAME != "none" ]; then
        IM_CONFIG_NUMBER="$(($IM_CONFIG_NUMBER + 1))"
        IM_CONFIG_AVAIL="$IM_CONFIG_AVAIL $IM_CONFIG_NAME"
    fi
done
#############################################################
# Report installed input methods and exit.  (NO-GUI needed)
#############################################################
if $IM_CONFIG_LIST ; then
echo "$IM_CONFIG_AVAIL"
exit
fi
#############################################################
# Sanity check (GUI)
#############################################################
if [ $IM_CONFIG_DIALOG = "X" ]; then
    kdialog_found=1
    if [ "$KDE_FULL_SESSION" = true ] && [ -x /usr/bin/kdialog ]; then
        kdialog_found=0
    fi

    if [ $kdialog_found -ne 0 ] && [ ! -x /usr/bin/zenity ]; then
        eval_gettext "E: zenity must be installed." >&2
        echo >&2
        exit 1
    fi
    if [ "x$DISPLAY" = "x" ]; then
        eval_gettext "E: X server must be available." >&2
        echo >&2
        exit 1
    fi
else
    if [ ! -x /usr/bin/whiptail ]; then
        eval_gettext "E: whiptail must be installed." >&2
        echo >&2
        exit 1
    fi
fi
#############################################################
# Do not run im-config if "$IM_CONFIG_ACTIVE" = "custom"
#############################################################
if [ "$IM_CONFIG_ACTIVE" = "custom" ]; then
    msgbox "$(eval_gettext "The \$IM_CONFIG_XINPUTRC_TYPE has been manually modified.
Remove the \$IM_CONFIG_XINPUTRC_TYPE \$IM_CONFIG_XINPUTRC manually to use im-config.
\$IM_CONFIG_RTFM")"
    exit
fi
#############################################################
# UI dialogue for im-config
#############################################################
IM_CONFIG_MSG="$(eval_gettext "Current configuration for the input method:
 * Active configuration: \$IM_CONFIG_ACTIVE (normally missing)
 * Normal automatic choice: \$IM_CONFIG_AUTOBASE (normally ibus or fcitx or uim)
 * Override rule: \$IM_CONFIG_PREFERRED_RULE
 * Current override choice: \$IM_CONFIG_PREFERRED (\$IM_CONFIG_LC_CTYPE)
 * Current automatic choice: \$IM_CONFIG_AUTOMATIC
 * Number of valid choices: \$IM_CONFIG_NUMBER (normally 1)
The override rule is defined in /etc/default/im-config.
The configuration set by im-config is activated by re-starting X.")"

if [ $IM_CONFIG_NUMBER = 0 ]; then
    # no input method installed, make a simple recommendation
    IM_CONFIG_MSG="$(eval_gettext "\$IM_CONFIG_MSG
In order to enter non-ASCII native characters, you must install one set of input method tools:
 * ibus and its associated packages (recommended)
   * multilingual support
   * GUI configuration
 * fcitx and its associated packages
   * multilingual support with focus on Chinese
   * GUI configuration
 * uim and its associated packages
   * multilingual support
   * manual configuration with the Scheme code
   * text terminal support even under non-X environments
 * any set of packages which depend on im-config
\$IM_CONFIG_MSGA")"

elif [ $IM_CONFIG_NUMBER = 1 ]; then
    # one input method installed
    IM_CONFIG_MSG="$(eval_gettext "\$IM_CONFIG_MSG
\$IM_CONFIG_MSGA")"

else
    IM_CONFIG_MSG="$(eval_gettext "\$IM_CONFIG_MSG
\$IM_CONFIG_MSGA
  Available input methods:\$IM_CONFIG_AVAIL
Unless you really need them all, please make sure to install only one input method tool.")"

fi
msgbox "$IM_CONFIG_MSG"

IM_CONFIG_YNQ="$(eval_gettext "Do you explicitly select the \${IM_CONFIG_XINPUTRC_TYPE}?

 * Select NO, if you do not wish to update it. (recommended)
 * Select YES, if you wish to update it.")"

if yesno "$IM_CONFIG_YNQ" ; then
    # If you wish to update configuration explicitly
    IM_CONFIG_MENULIST="$(menulist_init \
        "$(eval_gettext "Select \$IM_CONFIG_XINPUTRC_TYPE. The user configuration supersedes the system one.")" \
        "$(gettext "select")" \
        "$(gettext "name")" \
        "$(gettext "description")" )"

    # Make selection menu list (00-89)
    for IM_CONFIG_PATH in $IM_CONFIG_DATA/[012345678][0123456789]_*.rc ; do
        IM_CONFIG_NAME=$(name_im $IM_CONFIG_PATH)
        IM_CONFIG_NAME_SHORT="$(dsc_short $IM_CONFIG_NAME)"
        if $IM_CONFIG_ALL || avail_menu $IM_CONFIG_NAME ; then
            if [ "$IM_CONFIG_NAME" = "$IM_CONFIG_ACTIVE" ]; then
                IM_CONFIG_MENULIST="$IM_CONFIG_MENULIST $(menulist_add $IM_CONFIG_NAME "$IM_CONFIG_NAME_SHORT" on)"
            else
                IM_CONFIG_MENULIST="$IM_CONFIG_MENULIST $(menulist_add $IM_CONFIG_NAME "$IM_CONFIG_NAME_SHORT" off)"
            fi
        fi
    done

    IM_CONFIG_TMPFILE=$(mktemp --tmpdir im-config.XXXXXXXX)
    set +x
    menulist_eval "$IM_CONFIG_MENULIST" 2>$IM_CONFIG_TMPFILE
    IM_CONFIG_NAME=$(cat $IM_CONFIG_TMPFILE)
    set $IM_CONFIG_SETMODE
    rm $IM_CONFIG_TMPFILE

    if [ "x$IM_CONFIG_NAME" = "xREMOVE" ]; then
        # remove configuration file
        if ! $IM_CONFIG_DRY ; then
            rm -f $IM_CONFIG_XINPUTRC
        fi
        IM_CONFIG_ACTIVE="missing"
        IM_CONFIG_MSG="$(eval_gettext "Removing the \$IM_CONFIG_XINPUTRC_TYPE \$IM_CONFIG_XINPUTRC.")"
        IM_CONFIG_RTFM="$(eval_gettext "
The \$IM_CONFIG_XINPUTRC_TYPE is modified by im-config.

Restart the X session to activate the new \$IM_CONFIG_XINPUTRC_TYPE.
\$IM_CONFIG_RTFM")"
    elif [ -z "$IM_CONFIG_NAME" ]; then
        # keep configuration file
        if [ "x$IM_CONFIG_ACTIVE" = "xmissing" ]; then
            IM_CONFIG_MSG="$(eval_gettext "Keeping the \$IM_CONFIG_XINPUTRC_TYPE \$IM_CONFIG_XINPUTRC as missing.")"
        else
            IM_CONFIG_MSG="$(eval_gettext "Keeping the \$IM_CONFIG_XINPUTRC_TYPE \$IM_CONFIG_XINPUTRC unchanged as \$IM_CONFIG_ACTIVE.")"
        fi
    else
        # update configuration file
        if ! $IM_CONFIG_DRY ; then
            write_config $IM_CONFIG_NAME $IM_CONFIG_XINPUTRC
        fi
        IM_CONFIG_ACTIVE="$IM_CONFIG_NAME"
        IM_CONFIG_MSG="$(eval_gettext "Setting the \$IM_CONFIG_XINPUTRC_TYPE \$IM_CONFIG_XINPUTRC to \$IM_CONFIG_ACTIVE.")"
        IM_CONFIG_RTFM="$(eval_gettext "
The \$IM_CONFIG_XINPUTRC_TYPE is modified by im-config.

Restart the X session to activate the new \$IM_CONFIG_XINPUTRC_TYPE.
\$IM_CONFIG_RTFM")"
    fi
    if $IM_CONFIG_DRY ; then
        # dry-run
        IM_CONFIG_MSG="$(eval_gettext "*** This is merely a simulated run and no changes are made. ***

\$IM_CONFIG_MSG")"

    fi
else
    # keep configuration file
    if [ "x$IM_CONFIG_ACTIVE" = "xmissing" ]; then
        IM_CONFIG_MSG="$(eval_gettext "Keeping the \$IM_CONFIG_XINPUTRC_TYPE \$IM_CONFIG_XINPUTRC as missing.")"
    else
        IM_CONFIG_MSG="$(eval_gettext "Keeping the \$IM_CONFIG_XINPUTRC_TYPE \$IM_CONFIG_XINPUTRC unchanged as \$IM_CONFIG_ACTIVE.")"
    fi
fi

if [ "x$IM_CONFIG_ACTIVE" = "xmissing" ] || \
   [ "x$IM_CONFIG_ACTIVE" = "xdefault" ] || \
   [ "x$IM_CONFIG_ACTIVE" = "xauto" ] || \
   [ "x$IM_CONFIG_ACTIVE" = "xcjkv" ] ; then
    IM_CONFIG_AUTOMATIC_LONG=$(dsc_long $IM_CONFIG_AUTOMATIC)
    msgbox "$(eval_gettext "\$IM_CONFIG_MSG
Automatic configuration selects: \$IM_CONFIG_AUTOMATIC
\$IM_CONFIG_AUTOMATIC_LONG
\$IM_CONFIG_RTFM")"

else
    IM_CONFIG_ACTIVE_LONG=$(dsc_long $IM_CONFIG_ACTIVE)
    msgbox "$(eval_gettext "\$IM_CONFIG_MSG
Manual configuration selects: \$IM_CONFIG_ACTIVE
\$IM_CONFIG_ACTIVE_LONG
\$IM_CONFIG_RTFM")"

fi