import uuid
from typing import Optional
from datetime import date, datetime
from decimal import Decimal

from pydantic import BaseModel, Field, validator

from barker.schemas import to_camel
from barker.schemas.tax import TaxLink, TaxIn, Tax  # noqa: F401
from barker.schemas.sale_category import SaleCategoryLink, SaleCategoryIn, SaleCategory  # noqa: F401
from barker.schemas.customer import CustomerIn, Customer  # noqa: F401
from barker.schemas.guest_book import GuestBookIn, GuestBook  # noqa: F401
from barker.schemas.menu_category import MenuCategoryLink, MenuCategoryIn, MenuCategory  # noqa: F401
from barker.schemas.product import ProductLink, ProductIn, Product  # noqa: F401
from barker.schemas.modifier_category import ModifierCategoryLink, ModifierCategoryIn, ModifierCategory  # noqa: F401
from barker.schemas.modifier import ModifierLink, ModifierIn, Modifier  # noqa: F401
from barker.schemas.printer import PrinterLink, PrinterIn, Printer  # noqa: F401
from barker.schemas.section import SectionLink, SectionIn, Section  # noqa: F401
from barker.schemas.device import DeviceLink, DeviceIn, Device  # noqa: F401
from barker.schemas.section_printer import SectionPrinter  # noqa: F401
from barker.schemas.table import TableLink, TableIn, Table  # noqa: F401


class AccountBase(BaseModel):
    name: str = Field(..., min_length=1)
    is_starred: bool
    is_active: bool

    class Config:
        fields = {"id_": "id"}
        anystr_strip_whitespace = True
        alias_generator = to_camel


class AccountIn(AccountBase):
    type: int
    is_reconcilable: bool


class Account(AccountIn):
    id_: uuid.UUID
    code: int
    is_fixture: bool


class EmployeeIn(AccountBase):
    designation: str
    salary: int = Field(ge=0)
    points: Decimal = Field(ge=0, lt=1000, multiple_of=0.01)
    joining_date: date
    leaving_date: Optional[date]

    @validator("joining_date", pre=True)
    def parse_joining_date(cls, value):
        return datetime.strptime(value, "%d-%b-%Y").date()

    @validator("leaving_date", pre=True)
    def parse_leaving_date(cls, value):
        if value is None or value == "":
            return None
        else:
            return datetime.strptime(value, "%d-%b-%Y").date()

    @validator("leaving_date")
    def leaving_date_more_than_joining_date(cls, v, values, **kwargs):
        if values["is_active"]:
            return None
        if v < values["joining_date"]:
            raise ValueError("Leaving Date cannot be less than Joining Date")
        return v


class Employee(EmployeeIn):
    id_: uuid.UUID
    code: int
    is_fixture: bool


class DbSetting(BaseModel):
    id_: uuid.UUID
    name: str
    data: bytes


class AccountType(BaseModel):
    id_: int
    name: str

    class Config:
        fields = {"id_": "id"}