"""
Pydantic schemas for API responses.

Defines output models for Clients, Phones, Cases, and Transactions, along with
shared pagination envelopes for list endpoints.
"""

from __future__ import annotations

from datetime import datetime
from typing import List, Optional

from pydantic import BaseModel, ConfigDict


class PhoneOut(BaseModel):
    id: int
    phone_type: Optional[str] = None
    phone_number: Optional[str] = None

    model_config = ConfigDict(from_attributes=True)


class ClientOut(BaseModel):
    id: int
    rolodex_id: Optional[str] = None
    first_name: Optional[str] = None
    last_name: Optional[str] = None
    company: Optional[str] = None
    address: Optional[str] = None
    city: Optional[str] = None
    state: Optional[str] = None
    zip_code: Optional[str] = None
    phones: Optional[List[PhoneOut]] = None

    model_config = ConfigDict(from_attributes=True)


class CaseClientOut(BaseModel):
    id: int
    rolodex_id: Optional[str] = None
    first_name: Optional[str] = None
    last_name: Optional[str] = None
    company: Optional[str] = None

    model_config = ConfigDict(from_attributes=True)


class CaseOut(BaseModel):
    id: int
    file_no: str
    status: Optional[str] = None
    case_type: Optional[str] = None
    description: Optional[str] = None
    open_date: Optional[datetime] = None
    close_date: Optional[datetime] = None
    client: Optional[CaseClientOut] = None

    model_config = ConfigDict(from_attributes=True)


class TransactionOut(BaseModel):
    id: int
    case_id: int
    case_file_no: Optional[str] = None
    transaction_date: Optional[datetime] = None
    item_no: Optional[int] = None
    amount: Optional[float] = None
    billed: Optional[str] = None
    t_code: Optional[str] = None
    t_type_l: Optional[str] = None
    quantity: Optional[float] = None
    rate: Optional[float] = None
    description: Optional[str] = None
    employee_number: Optional[str] = None

    model_config = ConfigDict(from_attributes=True)


class Pagination(BaseModel):
    page: int
    page_size: int
    total: int
    total_pages: int


class RolodexListResponse(BaseModel):
    items: List[ClientOut]
    pagination: Pagination


class FilesListResponse(BaseModel):
    items: List[CaseOut]
    pagination: Pagination


class LedgerListResponse(BaseModel):
    items: List[TransactionOut]
    pagination: Pagination