from abc import ABC, abstractmethod
from typing import List
from .models import IssueRecord
from tabulate import tabulate


STATUS_MAP = {
    'Closed': 'Закрыто',
    'Re-opened': 'В работе',
    'New': 'В работе',
    'Resolved': 'Решена',
    'Pending': 'Ожидание',
    'Feedback': 'В работе',
    'In Progress': 'В работе',
    'Rejected': 'Закрыто',
    'Confirming': 'Ожидание',
}


def localize_status(status: str) -> str:
    return STATUS_MAP.get(status, status)


class ReportFormatter(ABC):
    @abstractmethod
    def format(self, records: List[IssueRecord]) -> str:
        pass


class SimpleFormatter(ReportFormatter):
    def format(self, records: List[IssueRecord]) -> str:
        if not records:
            return "No issues found."
        lines = []
        prev_project = prev_version = None
        for r in records:
            proj = r.project if r.project != prev_project else ""
            ver = r.version if (r.project != prev_project or r.version != prev_version) else ""
            lines.append(f"{proj} | {ver} | {r.issue_id}. {r.subject} | {r.status}")
            prev_project, prev_version = r.project, r.version
        return "\n".join(lines)


class TabulateFormatter(ReportFormatter):
    def format(self, records: List[IssueRecord]) -> str:
        if not records:
            return "No issues found."
        rows = [["Проект", "Версия", "Задача", "Статус", "Затрачено"]]
        prev_project = prev_version = None
        for r in records:
            proj = r.project if r.project != prev_project else ""
            ver = r.version if (r.project != prev_project or r.version != prev_version) else ""
            rows.append([
                proj,
                ver,
                f"{r.issue_id}. {r.subject}",
                localize_status(r.status),
                ""  # placeholder
            ])
            prev_project, prev_version = r.project, r.version
        return tabulate(rows, headers="firstrow", tablefmt="fancy_grid")