from __future__ import annotations

import re
from datetime import datetime

FILE_NAME_PATTERNS = (
    re.compile(r"^SKO115FZ_\d{2}_[A-Za-zА-Яа-я0-9]{9}_\d{8}_(?:[ХX]\d{5}|\d{6})\.xml$"),
)

DEFAULT_OUTPUT_DIR_NAME = "Out"

REPORT_FILE_TEMPLATE = "report_{date_key}_{run_number}.xlsx"
PROTOCOL_FILE_TEMPLATE = "protocol_{date_key}_{run_number}.xlsx"
PROCESS_LOG_FILE_TEMPLATE = "process_{date_key}_{run_number}.log"


def validate_file_name(file_name: str) -> bool:
    return any(pattern.match(file_name) for pattern in FILE_NAME_PATTERNS)


def build_date_parts(now: datetime | None = None) -> tuple[str, str, str, str]:
    current = now or datetime.now()
    year = str(current.year)
    month = str(current.month)
    day = str(current.day)
    date_key = current.strftime("%Y%m%d")
    return year, month, day, date_key


def build_report_file_name(date_key: str, run_number: int) -> str:
    return REPORT_FILE_TEMPLATE.format(date_key=date_key, run_number=run_number)


def build_protocol_file_name(date_key: str, run_number: int) -> str:
    return PROTOCOL_FILE_TEMPLATE.format(date_key=date_key, run_number=run_number)


def build_process_log_file_name(date_key: str, run_number: int) -> str:
    return PROCESS_LOG_FILE_TEMPLATE.format(date_key=date_key, run_number=run_number)