"""
* Deprecated.
"""

import re


def _line_lower_result_replace(
    line, result, line_match: str, result_match: str, result_replacement: str
) -> str:
    if line_match in line.lower() and result_match in result:
        return result.replace(result_match, result_replacement)
    else:
        return result


def _line_lower_result_replace_multi(
    line, result, line_match: str, results_match: list, result_replacement: str
) -> str:
    for r in results_match:
        result = _line_lower_result_replace(
            line, result, line_match, r, result_replacement
        )
    return result


def _line_result_replace(
    line, result, line_match: str, result_match: str, result_replacement: str
) -> str:
    if line_match in line and result_match in result:
        return result.replace(result_match, result_replacement)
    else:
        return result


def _result_replace(result, result_match: str, result_replacement: str) -> str:
    if result_match in result:
        return result.replace(result_match, result_replacement)
    else:
        return result


def post_en2zh_auto_translation(
    line: str, auto_translated_line: str, mode="standard", md_file_path=None
) -> str:
    """
    :param line: The English source line.
    :param auto_translated_line: The translated line by auto translation service.
    :returns: The post processed result.
    """
    result = auto_translated_line
    # Correct general result.
    result = _result_replace(result, "发动机", "引擎")
    # Correct case sensitive translation result.
    result = _line_result_replace(line, result, "PingCAP", "Pingcap", "PingCAP")
    # Correct case insensitive translation result.

    # "tidb cloud" -> TiDB Cloud
    result = _line_lower_result_replace_multi(
        line,
        result,
        "tidb cloud",
        ["TiDB云", "TiDB 云"],
        "TiDB Cloud",
    )

    # "sql layer cluster" -> SQL Layer 集群
    result = _line_lower_result_replace_multi(
        line,
        result,
        "sql layer cluster",
        ["SQL层次集群", "SQL 层集群", "SQL 分层集群", "SQL层集群"],
        "SQL Layer 集群",
    )

    # "Database Sharding" -> 分库分表
    result = _line_lower_result_replace_multi(
        line,
        result,
        "database sharding",
        [
            "数据库分片",
        ],
        "分库分表",
    )

    # "region" -> Region
    result = _line_lower_result_replace_multi(
        line,
        result,
        "region",
        ["地区", "区域"],
        "Region",
    )

    result = _line_lower_result_replace(line, result, "partial", "部分", "局部")
    result = _line_lower_result_replace(line, result, "flashback", "倒叙", "闪回")
    result = _line_lower_result_replace(line, result, "transaction", "交易", "事务")
    result = _line_lower_result_replace(line, result, "control machine", "控制机器", "中控机")
    result = _line_lower_result_replace(line, result, "clause", "条款", "子句")
    result = _line_lower_result_replace(line, result, "schema", "架构", "模式")
    result = _line_lower_result_replace(line, result, "architecture", "建筑", "架构")
    result = _line_lower_result_replace(line, result, "range", "射程", "范围")
    result = _line_lower_result_replace(line, result, "compaction", "压实", "压缩")
    result = _line_lower_result_replace(line, result, "column", "专栏", "列")
    result = _line_lower_result_replace(line, result, "value", "价值", "值")
    result = _line_lower_result_replace(line, result, "grant", "补助金", "授权")
    result = _line_lower_result_replace(line, result, "revoke", "吊销", "撤销")
    result = _line_lower_result_replace(line, result, "global level", "全球级别", "全局级别")
    result = _line_lower_result_replace(line, result, "table level", "表格级别", "表级别")
    result = _line_lower_result_replace(line, result, "schedule", "时间表", "调度")
    result = _line_lower_result_replace(
        line,
        result,
        "eng.edu.pingcap.com",
        "https://eng.edu.pingcap.com/catalog/info/id:204",
        "https://zhs.edu.pingcap.com/catalog/info/id:208",
    )
    result = _line_lower_result_replace(
        line,
        result,
        "pingcap.com/education",
        "pingcap.com/education",
        "cn.pingcap.com/courses-catalog",
    )

    if "key-value pair" in line.lower():
        result = result.replace("键值对", "Key-Value pair")

    if "key-value" in line.lower():
        result = result.replace("键-值", "Key-Value")

    if (
        "key" in line.lower()
        and "keyword" not in line.lower()
        and "point" not in line.lower()
    ):
        if "关键词" in result:
            result = result.replace("关键词", "Key")
        if "密钥" in result:
            result = result.replace("密钥", "Key")
        if "关键字" in result:
            result = result.replace("关键字", "Key")
        if "钥匙" in result:
            result = result.replace("钥匙", "Key")
        if "键" in result:
            result = result.replace("键", "Key")

    # Correct complex translation result.
    # Remove trailing "。" for bullets
    if result.strip().startswith("+"):
        result = result.strip("。")
    if result.strip().startswith("#"):
        result = result.strip("。")
    # Remove the generated **
    if "**" in result and "**" not in line:
        result = result.replace("**", "")
    # Remove the unwanted "（PD 一乘一）" at the end
    if re.match("^`[^`]+` *（PD 一乘一）[。]*$", result):
        result = result.replace("（PD 一乘一）", "")
    if "tidb/tikv/pd" in line.lower():
        result = re.sub("tidb/tikv/pd", "TiDB/TiKV/PD", result, flags=re.IGNORECASE)
    if mode != "silent":
        print("<en2zh>[=", line, "=]", " -> ", "[=", result, "=]")
    return result


def post_en2zh_auto_translation_md_prefix_aware(in_line: str, mode="standard") -> str:
    """
    This routine will be called in a context with the Markdown prefix such as "#, +, -, *", etc.
    """
    result = in_line
    if result.strip().startswith("+"):
        result = result.strip("。")
    if result.strip().startswith("#"):
        result = result.strip("。")
    if result.strip().startswith("["):
        result = result.strip("。")
    if mode != "silent":
        print("<post-en2zh-markdown>[=", result, "=]")
    return result