"""MIL 测试用例 Excel 更新模块

主要功能:
- 比较新旧数据差异
- 添加新信号列或删除旧信号列
"""
import logging
from typing import Any

from .base import SignalData
from .exceptions import CaseDataError
from openpyxl import Workbook
from openpyxl.worksheet.worksheet import Worksheet

logger = logging.getLogger(__name__)


def update_case_excel(filename: str, old_data: dict, new_data: dict) -> None:
    """更新 Excel 文件中的信号列

    Args:
        filename: Excel 文件路径
        old_data: 旧数据字典
        new_data: 新数据字典

    Raises:
        CaseDataError: 数据类型错误
    """
    logger.info(f"开始更新 Excel 文件 {filename}")

    old_wb = old_data.pop('wb')
    old_sheet = old_data.pop('sheet')
    old_source_row = old_data.pop('source_row')

    new_data.pop('wb')
    new_data.pop('sheet')
    new_source_row = new_data.pop('source_row')

    if not isinstance(old_wb, Workbook) or not isinstance(old_sheet, Worksheet):
        logger.error("数据类型错误，Workbook 或 Worksheet 类型不匹配")
        raise CaseDataError("数据异常，Workbook 或 Worksheet 类型错误")

    add_input = _get_add_input(old_data, new_data)
    del_input = _get_del_input(old_data, new_data)
    datalog_len = _get_datalog_len(old_data)

    for name, info in reversed(del_input.items()):
        old_sheet.delete_cols(info['column'])
        logger.info(f"删除第{info['column']}列\t信号名: {name}")
    
    for name, info in add_input.items():
        old_sheet.insert_cols(info['column'])

        for index in range(1,old_source_row):
            if index == old_source_row -1 :
                old_sheet.cell(index, info['column']).value = info['attributes'][new_source_row - 1]
                old_sheet.cell(index, info['column']).data_type = "str"
            else:
                old_sheet.cell(index, info['column']).value = info['attributes'][index]
                old_sheet.cell(index, info['column']).data_type = "str"

        for index in range(old_source_row + 1, datalog_len + old_source_row + 1):
            try:
                value = int(info['datalog'][0].value)
                old_sheet.cell(index, info['column']).value = value
                old_sheet.cell(index, info['column']).data_type = "int"
            except (ValueError, TypeError):
                value = str(info['datalog'][0].value)
                old_sheet.cell(index, info['column']).value = value
                old_sheet.cell(index, info['column']).data_type = "str"
        logger.info(f"新增第{info['column']}列\t信号名: {name}")

    old_wb.save(filename)
    logger.info(f"更新 Excel 文件 {filename} 完成")


def _get_add_input(old_data: dict, new_data: dict) -> dict[str, SignalData]:
    """获取新增输入数据

    Args:
        old_data: 旧数据字典
        new_data: 新数据字典

    Returns:
        新增信号字典
    """
    add_input: dict[str, SignalData] = {}

    for name in new_data.keys():
        if name not in old_data.keys():
            add_input[name] = new_data[name]
    return add_input


def _get_del_input(old_data: dict, new_data: dict) -> dict[str, SignalData]:
    """获取删除输入数据

    Args:
        old_data: 旧数据字典
        new_data: 新数据字典

    Returns:
        删除信号字典
    """
    del_input: dict[str, SignalData] = {}

    for name in old_data.keys():
        if name not in new_data.keys():
            del_input[name] = old_data[name]
    return del_input


def _get_datalog_len(old_data: dict) -> int:
    """获取数据日志长度

    Args:
        old_data: 数据字典

    Returns:
        数据日志长度
    """
    for name in old_data.keys():
        return len(old_data[name]['datalog'])
    return 0