#!/bin/sh

NAME=dump1090-mutability
CONFIGFILE=/etc/default/$NAME
set -e
. /usr/share/debconf/confmodule

db_set_yn() {
  if [ "x$2" = "xyes" ]; then db_set $1 true; else db_set $1 false; fi
}

# Load config file, if it exists.
if [ -e $CONFIGFILE ]; then
  . $CONFIGFILE || true

  # Store values from config file into
  # debconf db.

  db_set_yn $NAME/auto-start "$START_DUMP1090"
  db_set $NAME/run-as-user "$DUMP1090_USER"
  db_set $NAME/log-file "$LOGFILE"

  db_set $NAME/rtlsdr-device "$DEVICE"
  db_set $NAME/rtlsdr-gain "$GAIN"
  db_set $NAME/rtlsdr-ppm "$PPM"
  db_set_yn $NAME/rtlsdr-oversample "$OVERSAMPLE"

  db_set_yn $NAME/decode-fixcrc "$FIX_CRC"
  db_set_yn $NAME/decode-phase-enhance "$PHASE_ENHANCE"
  db_set_yn $NAME/decode-aggressive "$AGGRESSIVE"
  db_set $NAME/decode-lat "$LAT"
  db_set $NAME/decode-lon "$LON"

  db_set $NAME/net-http-port "$HTTP_PORT"
  db_set $NAME/net-ri-port "$RAW_INPUT_PORT"
  db_set $NAME/net-ro-port "$RAW_OUTPUT_PORT"
  db_set $NAME/net-bi-port "$BEAST_INPUT_PORT"
  db_set $NAME/net-bo-port "$BEAST_OUTPUT_PORT"
  db_set $NAME/net-sbs-port "$SBS_OUTPUT_PORT"
  db_set $NAME/net-fatsv-port "$FATSV_OUTPUT_PORT"
  db_set $NAME/net-heartbeat "$NET_HEARTBEAT"
  db_set $NAME/net-out-size "$NET_OUTPUT_SIZE"
  db_set $NAME/net-out-interval "$NET_OUTPUT_INTERVAL"
  db_set $NAME/net-buffer "$NET_BUFFER"
  db_set $NAME/net-bind-address "$NET_BIND_ADDRESS"

  db_set $NAME/stats-interval "$STATS_INTERVAL"
  db_set $NAME/json-dir "$JSON_DIR"
  db_set $NAME/json-interval "$JSON_INTERVAL"
  db_set $NAME/extra-args "$EXTRA_ARGS"
fi

# Ask questions.

db_input high $NAME/auto-start || true

db_go || true; db_get $NAME/auto-start; if [ "$RET" = "true" ]; then
 # all of these are only relevant if the init script is enabled

 db_input low $NAME/run-as-user || true
 db_input low $NAME/log-file || true

 db_input medium $NAME/rtlsdr-device || true

 db_go || true; db_get $NAME/rtlsdr-device; if [ "x$RET" != "xnone" ]; then
  # only if a real device was chosen:
  db_input medium $NAME/rtlsdr-gain || true
  db_input medium $NAME/rtlsdr-ppm || true
  db_input low $NAME/rtlsdr-oversample || true
 fi

 db_input low $NAME/decode-fix-crc || true
 db_input low $NAME/decode-aggressive || true
 db_input medium $NAME/decode-lat || true

 db_go || true; db_get $NAME/decode-lat; if [ -n "$RET" ]; then
  # only if latitude was given:
  db_input medium $NAME/decode-lon || true
 fi

 db_input medium $NAME/net-http-port || true
 db_input low $NAME/net-ri-port || true
 db_input low $NAME/net-ro-port || true
 db_input low $NAME/net-bi-port || true
 db_input low $NAME/net-bo-port || true
 db_input low $NAME/net-sbs-port || true
 db_input low $NAME/net-fatsv-port || true
 db_input low $NAME/net-heartbeat || true
 db_input low $NAME/net-out-size || true
 db_input low $NAME/net-out-interval || true
 db_input low $NAME/net-buffer || true
 db_input medium $NAME/net-bind-address || true

 db_input low $NAME/stats-interval || true
 db_input low $NAME/json-interval || true

 db_go || true; db_get $NAME/json-interval; if [ -n "$RET" ] && [ "$RET" -gt 0 ]; then
  # only if json-interval was given and non-zero
  db_input low $NAME/json-dir || true
 fi
 
 db_input low $NAME/extra-args || true
 
 db_go || True
fi

# Done.
db_stop