from typing import List, Tuple, cast
from redminelib.resources import Issue
from .types import ReportRow
from .utils import get_version, hours_to_human

STATUS_TRANSLATION = {
    "New": "В работе",
    "In Progress": "В работе",
    "Feedback": "В работе",
    "Re-opened": "В работе",
    "Code Review": "Решена",
    "Wait Release": "Закрыто",
    "Pending": "Ожидание",
    "Resolved": "Решена",
    "Testing": "Решена",
    "Confirming": "Ожидание",
    "Closed": "Закрыто",
    "Rejected": "Закрыто",
    "Frozen": "Ожидание",
}


def build_grouped_report(
    issue_hours: List[Tuple[Issue, float]],
    fill_time: bool = True,
) -> List[ReportRow]:
    """
    Преобразует список задач с затраченным временем в плоский список строк отчёта,
    с учётом группировки по проекту и версии (пустые ячейки для повторяющихся значений).
    """

    rows: List[ReportRow] = []
    prev_project: str = ""
    prev_version: str = ""

    for issue, hours in issue_hours:
        project = str(issue.project)
        version = get_version(issue)
        status_en = str(issue.status)
        status_ru = STATUS_TRANSLATION.get(status_en, status_en)
        time_text = hours_to_human(hours) if fill_time else ""

        display_project = project if project != prev_project else ""
        display_version = version if (project != prev_project or version != prev_version) else ""

        rows.append(
            cast(
                ReportRow,
                {
                    "project": project,
                    "version": version,
                    "display_project": display_project,
                    "display_version": display_version,
                    "issue_id": issue.id,
                    "subject": issue.subject,
                    "status_ru": status_ru,
                    "time_text": time_text,
                },
            )
        )

        prev_project = project
        prev_version = version

    return rows