#!/usr/bin/env bash
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#  to you under the Apache License, Version 2.0 (the
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#      http://www.apache.org/licenses/LICENSE-2.0
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echo "Starting configuration migration..."
  
FLINK_BIN_DIR=`dirname "$0"`
FLINK_BIN_DIR=`cd "$FLINK_BIN_DIR"; pwd`
  
. "$FLINK_BIN_DIR"/bash-java-utils.sh
  
FLINK_CONF_DIR="$FLINK_BIN_DIR"/../conf
echo "Using Flink configuration directory: $FLINK_CONF_DIR"
setJavaRun "$FLINK_CONF_DIR"

FLINK_LIB_DIR="$FLINK_BIN_DIR"/../lib
echo "Using Flink library directory: $FLINK_LIB_DIR"

echo "Running migration..."
result=$(migrateLegacyFlinkConfigToStandardYaml "$FLINK_CONF_DIR" "$FLINK_BIN_DIR" "$FLINK_LIB_DIR")
  
if [[ $? -ne 0 ]]; then
  echo "[ERROR] Could not migrate configurations properly, the result is:"
  echo "$result"
  exit 1
fi
  
CONF_FILE="$FLINK_CONF_DIR/config.yaml"
echo "Migration completed successfully. Writing configuration to $CONF_FILE"
  
# Output the result
echo "${result}" > "$CONF_FILE";

echo "Configuration migration finished. New configuration file is located at: $CONF_FILE"