#!/usr/bin/env bashio

##################
# INITIALIZATION #
##################

# Where is the config
CONFIGSOURCE=$(bashio::config "CONFIG_LOCATION")
DATABASESOURCE="$(dirname "${CONFIGSOURCE}")/enedisgateway.db"

# Make sure folder exist
mkdir -p "$(dirname "${CONFIGSOURCE}")"
mkdir -p "$(dirname "${DATABASESOURCE}")"

# Check absence of config file
if [ -f /data/config.yaml ] && [ ! -L /data/config.yaml ]; then
  bashio::log.warning "A current config was found in /data, it is backuped to ${CONFIGSOURCE}.bak"
  mv /data/config.yaml $CONFIGSOURCE.bak
fi

# Check if config file is there, or create one from template
if [ -f $CONFIGSOURCE ]; then
  # Create symlink if not existing yet
  [ ! -L /data/config.yaml ] && ln -sf $CONFIGSOURCE /data
  bashio::log.info "Using config file found in $CONFIGSOURCE"

  # Check if yaml is valid
  EXIT_CODE=0
  yamllint -d relaxed $CONFIGSOURCE &>ERROR || EXIT_CODE=$?
  if [ $EXIT_CODE = 0 ]; then
    echo "Config file is a valid yaml"
  else
    cat ERROR
    bashio::log.fatal "Config file has an invalid yaml format. Please check the file in $CONFIGSOURCE. Errors list above. You can check yaml validity with the online tool yamllint.com"
    bashio::exit.nok
  fi
else
  # Create symlink for addon to create config
  touch ${CONFIGSOURCE}
  ln -sf $CONFIGSOURCE /data
  rm $CONFIGSOURCE
  # Need to restart
  bashio::log.fatal "Config file not found. The addon will create a new one, then stop. Please customize the file in $CONFIGSOURCE before restarting."
fi

# Remove previous link or file
[ -f /data/enedisgateway.db ] && rm /data/enedisgateway.db

# Check if database is here or create symlink
if [ -f $DATABASESOURCE ]; then
  # Create symlink if not existing yet
  ln -sf ${DATABASESOURCE} /data && echo "creating symlink"
  bashio::log.info "Using database file found in $DATABASESOURCE"
else
  # Create symlink for addon to create database
  touch ${DATABASESOURCE}
  ln -sf $DATABASESOURCE /data
  rm $DATABASESOURCE
fi

##############
# Launch App #
##############
echo " "
bashio::log.info "Starting the app"
echo " "

# Test mode
TZ=$(bashio::config "TZ")
if [ "$TZ" = "test" ]; then
  echo "secret mode found, launching script in /config/test.sh"
  cd /config || exit
  chmod 777 test.sh
  ./test.sh
fi

python -u /app/main.py || bashio::log.fatal "The app has crashed. Are you sure you entered the correct config options?"
