from typing import List

from ..types import ReportRow
from .base import Formatter


def _escape_markdown_table_cell(value: object) -> str:
    return str(value).replace("\\", "\\\\").replace("|", "\\|").replace("\n", "<br>")


class MarkdownFormatter(Formatter):
    """Форматтер для экспорта в Markdown."""

    def __init__(self, **_kwargs):
        super().__init__()

    def format(self, rows: List[ReportRow]) -> str:
        lines = [
            "| Проект | Версия | Задача | Статус | Затрачено |",
            "|--------|--------|--------|--------|-----------|",
        ]
        for r in rows:
            task_cell = _escape_markdown_table_cell(f"{r['issue_id']}. {r['subject']}")
            lines.append(
                f"| {_escape_markdown_table_cell(r['display_project'])} "
                f"| {_escape_markdown_table_cell(r['display_version'])} "
                f"| {task_cell} "
                f"| {_escape_markdown_table_cell(r['status_ru'])} "
                f"| {_escape_markdown_table_cell(r['time_text'])} |"
            )
        return "\n".join(lines)

    def save(self, rows: List[ReportRow], output_path: str) -> None:
        content = self.format(rows)
        with open(output_path, "w", encoding="utf-8") as f:
            f.write(content)