# Copyright 2024 Google LLC
#
# Licensed 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
#
#     https://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.

from typing import Union

import sqlparse


def format_sql(sql: str, params: dict):
    """
    Format Postgres SQL to human readable text by replacing placeholders.
    Handles dict-based (:key) formats.
    """
    for key, value in params.items():
        sql = sql.replace(f":{key}", f"{value}")
    # format the SQL
    formatted_sql = (
        sqlparse.format(
            sql,
            reindent=True,
            keyword_case="upper",
            use_space_around_operators=True,
            strip_whitespace=True,
        )
        .replace("\n", "<br/>")
        .replace("  ", '<div class="indent"></div>')
    )
    return formatted_sql.replace("<br/>", "", 1)