from enum import Enum
from datetime import datetime
from typing import Dict, List
from typing_extensions import TypedDict

from app.schema.base import BaseModel, PydanticBaseModel


class TransactionType(str, Enum):
    INCOME = "income"
    EXPENSE = "expense"


class UserCreate(PydanticBaseModel):
    name: str
    email: str
    hashed_password: str


class UserUpdate(PydanticBaseModel):
    name: str
    email: str
    hashed_password: str


class UserResponse(PydanticBaseModel):
    id: int
    name: str
    email: str
    is_deleted: bool


class User(BaseModel):
    name: str
    email: str
    hashed_password: str
    is_deleted: bool = False
    transactions: "List[Transaction]" = []


class TransactionResponse(PydanticBaseModel):
    transaction_date: datetime
    category: str
    name_description: str
    amount: float
    type: TransactionType


class TransactionCreate(TransactionResponse):
    user_id: int


class Transaction(TransactionResponse):
    user: User


class FileUploadCreate(PydanticBaseModel):
    source: str
    date: datetime
    category: str
    name_description: str
    amount: float
    type: str


class IncomeStatementCreateRequest(PydanticBaseModel):
    user_id: int
    date_from: datetime
    date_to: datetime


class IncomeStatementDetail(TypedDict):
    total: float
    category_totals: List[Dict[str, str | float]]

class IncomeStatementLLMResponse(PydanticBaseModel):
    income: IncomeStatementDetail
    expenses: IncomeStatementDetail


class IncomeStatement(IncomeStatementCreateRequest, IncomeStatementLLMResponse):
    pass

class IncomeStatementResponse(IncomeStatement):
    id: int