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# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

# Python 3
import fileinput
import sys

spark2_anchor = "SPARK2 anchor"
spark3_anchor = "SPARK3 anchor"
files = [
    "sql/src/main/scala/org/apache/sedona/sql/UDF/UdfRegistrator.scala",
    "sql/src/main/scala/org/apache/spark/sql/sedona_sql/strategy/join/TraitJoinQueryExec.scala",
    "sql/src/main/scala/org/apache/spark/sql/sedona_sql/strategy/join/JoinQueryDetector.scala",
    "sql/src/main/scala/org/apache/spark/sql/sedona_sql/strategy/join/BroadcastIndexJoinExec.scala",
    "sql/src/main/scala/org/apache/spark/sql/sedona_sql/io/GeotiffFileFormat.scala",
]


def switch_version(line):
    if line[:2] == "//":
        print(line[2:], end="")  # enable code
        return "enabled"
    else:
        print("//" + line, end="")  # disable code
        return "disabled"


def enable_version(line):
    if line[:2] == "//":
        print(line[2:], end="")  # enable code
        return "enabled"
    else:
        print(line, end="")
        return "enabled before"


def disable_version(line):
    if line[:2] == "//":
        print(line, end="")
        return "disabled before"
    else:
        print("//" + line, end="")  # disable code
        return "disabled"


def parse_file(filepath, argv):
    conversion_result_spark2 = ""
    conversion_result_spark3 = ""
    if argv[1] == "spark2":
        with fileinput.FileInput(filepath, inplace=True) as file:
            for line in file:
                if spark2_anchor in line:
                    conversion_result_spark2 = (
                        spark2_anchor + " " + enable_version(line)
                    )
                elif spark3_anchor in line:
                    conversion_result_spark3 = (
                        spark3_anchor + " " + disable_version(line)
                    )
                else:
                    print(line, end="")
            return conversion_result_spark2 + " and " + conversion_result_spark3
    elif argv[1] == "spark3":
        with fileinput.FileInput(filepath, inplace=True) as file:
            for line in file:
                if spark2_anchor in line:
                    conversion_result_spark2 = (
                        spark2_anchor + " " + disable_version(line)
                    )
                elif spark3_anchor in line:
                    conversion_result_spark3 = (
                        spark3_anchor + " " + enable_version(line)
                    )
                else:
                    print(line, end="")
            return conversion_result_spark2 + " and " + conversion_result_spark3
    else:
        return "wrong spark version"


for filepath in files:
    print(filepath + ": " + parse_file(filepath, sys.argv))