import random
from datetime import datetime, timezone

from app.data.mock_data import seed_appeals
from app.models import Appeal, CreateAppealRequest

PRIORITY_MAP = {
    "Критический": ("critical", "Критический"),
    "Высокий": ("high", "Высокий"),
    "Средний": ("medium", "Средний"),
    "Низкий": ("low", "Низкий"),
}


class AppealStore:
    def __init__(self) -> None:
        self._appeals: list[Appeal] = seed_appeals()

    def list_all(self) -> list[Appeal]:
        return sorted(self._appeals, key=lambda a: a.updated_at, reverse=True)

    def create(self, request: CreateAppealRequest) -> Appeal:
        priority_key, priority_label = PRIORITY_MAP.get(request.priority, ("medium", "Средний"))
        now = datetime.now(timezone.utc).strftime("%Y-%m-%dT%H:%M:%S")
        number = f"INC-2026-{random.randint(1000, 9999)}"

        appeal = Appeal(
            id=f"new-{int(datetime.now(timezone.utc).timestamp() * 1000)}",
            number=number,
            title=request.title,
            system=request.system,
            status="new",
            status_label="Новое обращение",
            next_step="Обращение в очереди на назначение исполнителя",
            priority=priority_key,  # type: ignore[arg-type]
            priority_label=priority_label,
            created_at=now,
            updated_at=now,
            description=request.description,
            comments=[],
        )
        self._appeals.insert(0, appeal)
        return appeal


appeal_store = AppealStore()