"""Pydantic-схемы для админ-панели."""

from datetime import datetime
from typing import Any

from pydantic import BaseModel, Field


# ─── Сессия доступа ───────────────────────────────────────────────────────────
class AdminSessionResponse(BaseModel):
    code: str
    url: str
    expires_at: datetime


# ─── Клиенты ──────────────────────────────────────────────────────────────────
class AdminUserResponse(BaseModel):
    id: int
    email: str
    name: str
    plan: str
    is_verified: bool
    is_admin: bool
    created_at: datetime
    tasks_count: int = 0

    model_config = {"from_attributes": True}


class AdminUserUpdate(BaseModel):
    plan: str | None = None
    is_verified: bool | None = None
    is_admin: bool | None = None


# ─── Работы ─────────────────────────────────────────────────────────────────
class AdminTaskResponse(BaseModel):
    public_id: str
    user_id: int
    type: str
    status: str
    error: str | None = None
    created_at: datetime

    model_config = {"from_attributes": True}


# ─── Документы базы ───────────────────────────────────────────────────────────
class AdminDocumentResponse(BaseModel):
    id: int
    source: str
    ext_id: str
    title: str
    authors: list = Field(default_factory=list)
    year: int | None = None
    lang: str | None = None
    doi: str | None = None
    url: str | None = None
    indexed_at: datetime

    model_config = {"from_attributes": True}


# ─── Источники парсинга ───────────────────────────────────────────────────────
class ParseSourceCreate(BaseModel):
    source_type: str = Field(description="openalex / cyberleninka / arxiv")
    name: str = Field(min_length=1, max_length=255)
    query: str | None = None
    lang: str | None = None
    year_from: int | None = None
    year_to: int | None = None
    limit: int = Field(default=1000, ge=1, le=100000)
    enabled: bool = True


class ParseSourceUpdate(BaseModel):
    name: str | None = None
    query: str | None = None
    lang: str | None = None
    year_from: int | None = None
    year_to: int | None = None
    limit: int | None = Field(default=None, ge=1, le=100000)
    enabled: bool | None = None


class ParseSourceResponse(BaseModel):
    id: int
    source_type: str
    name: str
    query: str | None = None
    lang: str | None = None
    year_from: int | None = None
    year_to: int | None = None
    limit: int
    enabled: bool
    last_status: str
    last_error: str | None = None
    last_run_at: datetime | None = None
    docs_added: int
    created_at: datetime

    model_config = {"from_attributes": True}


# ─── Отстойник ────────────────────────────────────────────────────────────────
class StagedWorkResponse(BaseModel):
    id: int
    user_id: int | None = None
    task_id: str | None = None
    filename: str | None = None
    title: str | None = None
    authors: list = Field(default_factory=list)
    year: int | None = None
    lang: str | None = None
    word_count: int | None = None
    status: str
    document_id: int | None = None
    created_at: datetime

    model_config = {"from_attributes": True}


class StagedWorkDetail(StagedWorkResponse):
    text_preview: str | None = None


# ─── Дашборд ──────────────────────────────────────────────────────────────────
class ServiceHealth(BaseModel):
    name: str
    ok: bool
    detail: str | None = None


class AdminStats(BaseModel):
    users_total: int
    tasks_by_status: dict[str, int]
    documents_total: int
    documents_by_source: dict[str, int]
    staging_pending: int
    storage: dict[str, Any]
    queues: dict[str, Any]