"""Записи `document_issue` в API: `IssueOut` — общая для `StatementOut.issues` и `DocumentOut.issues`;
`IssueCountsOut` — счётчики по `severity` для карточки файла (P3-23)."""

import uuid
from decimal import Decimal

from pydantic import BaseModel

from src.models.enums import DocumentIssueKind, IssueSeverity, IssueSource
from src.models.statements import DocumentIssue


class IssueOut(BaseModel):
    id: uuid.UUID
    kind: DocumentIssueKind
    code: str
    severity: IssueSeverity
    message: str
    line_ids: list[uuid.UUID]
    column_id: uuid.UUID | None
    column_index: int | None
    field: str | None
    source: IssueSource
    relation: str | None
    codes: list[str]
    expected: Decimal | None
    actual: Decimal | None


class IssueCountsOut(BaseModel):
    """Число записей `document_issue` документа по `severity`, всех видов."""

    error: int = 0
    info: int = 0


def issue_out(issue: DocumentIssue) -> IssueOut:
    """JSONB `line_ids` / `codes` (`NULL` — пусто) приводятся к спискам uuid и строк."""
    line_ids = issue.line_ids if isinstance(issue.line_ids, list) else []
    codes = issue.codes if isinstance(issue.codes, list) else []
    return IssueOut(
        id=issue.id,
        kind=issue.kind,
        code=issue.code,
        severity=issue.severity,
        message=issue.message,
        line_ids=[uuid.UUID(str(item)) for item in line_ids],
        column_id=issue.column_id,
        column_index=issue.column_index,
        field=issue.field,
        source=issue.source,
        relation=issue.relation,
        codes=[str(item) for item in codes],
        expected=issue.expected,
        actual=issue.actual,
    )