init

#!/bin/sh

CURWDIR="$(cd $(dirname $0) && pwd)"
ROOT=$CURWDIR
TITLE="PPTP-VPN"
PROGRAM_NAME="app-pptp"

PACKAGE="com.modouwifi.app-pptp"

APPS_CONFIG_DIR="/data/conf"
LAUNCHER_CONFIG_DIR="$APPS_CONFIG_DIR/launcher/conf.d"
LAUNCHER_CONFIG_FILE="$LAUNCHER_CONFIG_DIR/$PROGRAM_NAME.conf"

ICON="./res/normal.png"
PRESSED_ICON="./res/pressed.png"
SERVICE="$CURWDIR/sbin/service.sh"

OPTION_PPTP="$ROOT/data/option.pptp"
OPTION_USER="$ROOT/data/option.user"
OPTION_CONF="$ROOT/conf/option.conf"
PPTP_SO="$ROOT/bin/pptp.so"
TEMPLATE="$ROOT/conf/option.template"
DATA_JSON="$ROOT/conf/data.json"

PID_FILE="$CURWDIR/$PROGRAM_NAME.pid"
PKILL_BIN="/usr/bin/pkill"
INSTALL_BIN="/usr/bin/install"
REMOVE="/bin/rm -f"

usage() {
    echo "ERROR: action missing"
    echo "syntax: $0 <start|stop|restart|status|config|install|uninstall>"
    echo "example: $0 start"
}

start() {
    $SERVICE on
    appInfo.sh set_status $PACKAGE ISRUNNING
    json4sh.sh set $DATA_JSON state value true
}

stop() {
    $SERVICE off
    appInfo.sh set_status $PACKAGE NOTRUNNING
    json4sh.sh set $DATA_JSON state value false
}

run() {
    $SERVICE run &
}

sync_datajson_2_option_user() {
    local SERVER=`json4sh.sh get $DATA_JSON server value`
    local USERNAME=`json4sh.sh get $DATA_JSON user value`
    local PASSWORD=`json4sh.sh get $DATA_JSON pass value`

    rm $OPTION_USER
    echo $SERVER > $OPTION_USER
    echo $USERNAME >> $OPTION_USER
    echo $PASSWORD >> $OPTION_USER
}

sync_option_user_2_datajson() {
    local SERVER=`cat $OPTION_USER | head -n 1`
    local USERNAME=`cat $OPTION_USER | head -n 2 | tail -n 1`
    local PASSWORD=`cat $OPTION_USER | tail -n 1`

    json4sh.sh set $DATA_JSON server value $SERVER
    json4sh.sh set $DATA_JSON user value $USERNAME
    json4sh.sh set $DATA_JSON pass value $PASSWORD
}

sync_option_user_2_option_pptp() {
    local SERVER=`cat $OPTION_USER | head -n 1`
    local USERNAME=`cat $OPTION_USER | head -n 2 | tail -n 1`
    local PASSWORD=`cat $OPTION_USER | tail -n 1`

    rm $OPTION_PPTP

    echo "plugin $PPTP_SO" > $OPTION_PPTP
    cat $TEMPLATE >> $OPTION_PPTP
    echo -e "\n" >> $OPTION_PPTP

    echo "user \"$USERNAME\"" >> $OPTION_PPTP
    echo "password \"$PASSWORD\"" >> $OPTION_PPTP
    echo "pptp_server $SERVER" >> $OPTION_PPTP
}

tp_config() {
    $ROOT/bin/generate-config-file-2 $OPTION_CONF $OPTION_USER
    if [ $? != 0 ]; then
        exit 1
    fi
    
    sync_option_user_2_datajson ;
    sync_option_user_2_option_pptp ;
}

set_config() {
    sync_datajson_2_option_user ;
    sync_option_user_2_option_pptp ;

    local STATUS=`appInfo.sh get_status $PACKAGE`
}

install() {
    echo "{" > "$PROGRAM_NAME.conf"
    echo "\"name\" :  \"$TITLE\"," >> "$PROGRAM_NAME.conf"
    echo "\"icon\" : \"$CURWDIR/$ICON\"," >> "$PROGRAM_NAME.conf"
    echo "\"iconPressed\" : \"$CURWDIR/$PRESSED_ICON\"," >> "$PROGRAM_NAME.conf"
    echo "\"exec\" : \"$CURWDIR/init run\"," >> "$PROGRAM_NAME.conf"
    echo "\"msgNum\" : 4" >> "$PROGRAM_NAME.conf"
    echo "}" >> "$PROGRAM_NAME.conf"

    $INSTALL_BIN -d $LAUNCHER_CONFIG_DIR
    $INSTALL_BIN "$PROGRAM_NAME.conf" "$LAUNCHER_CONFIG_FILE"

    sync_option_user_2_datajson ;
    sync_option_user_2_option_pptp ;
}

uninstall() {
    $REMOVE "$LAUNCHER_CONFIG_FILE"
}

# main
if [ $# -lt 1 ]; then
    usage
    exit 255
fi

case "$1" in
    "start" )
        start;;
    "stop" )
        stop;;
    "restart" )
        start
        stop;;
    "install" )
        install;;
    "uninstall" )
        uninstall;;
    "run" )
        run;;
    "set_config" )
        set_config;;
    "tp_config" )
        tp_config;;
    * )
        usage ;;
esac