from datetime import datetime
from typing import Any

from pydantic import BaseModel, EmailStr, Field

from app.models.user import UserRole


class UserCreate(BaseModel):
    email: EmailStr
    username: str = Field(min_length=3, max_length=100)
    password: str = Field(min_length=6)
    confirm_password: str = Field(min_length=6)


class RegisterResponse(BaseModel):
    message: str
    email: str


class ActivateAccountRequest(BaseModel):
    email: EmailStr
    code: str = Field(min_length=4, max_length=10)


class ForgotPasswordRequest(BaseModel):
    email: EmailStr


class ResetPasswordRequest(BaseModel):
    email: EmailStr
    code: str = Field(min_length=4, max_length=10)
    password: str = Field(min_length=6)
    confirm_password: str = Field(min_length=6)


class MessageResponse(BaseModel):
    message: str


class AdminUserCreate(BaseModel):
    email: EmailStr
    username: str = Field(min_length=3, max_length=100)
    password: str = Field(min_length=6)
    role: UserRole = UserRole.user


class UserUpdate(BaseModel):
    email: EmailStr | None = None
    username: str | None = Field(default=None, min_length=3, max_length=100)
    role: UserRole | None = None
    is_active: bool | None = None
    password: str | None = Field(default=None, min_length=6)


class UserLogin(BaseModel):
    username: str
    password: str


class UserResponse(BaseModel):
    id: int
    email: str
    username: str
    role: UserRole
    is_active: bool
    created_at: datetime

    model_config = {"from_attributes": True}


class Token(BaseModel):
    access_token: str
    token_type: str = "bearer"


class TokenData(BaseModel):
    username: str | None = None


class StyleParams(BaseModel):
    font_name: str | None = None
    font_size: float | None = None
    bold: bool = False
    italic: bool = False
    underline: bool = False
    color: str | None = None
    alignment: str | None = None
    background_color: str | None = None
    border_style: str | None = None
    width: float | None = None
    height: float | None = None
    table_style: dict[str, Any] | None = None


class TemplateVariableResponse(BaseModel):
    id: int
    name: str
    label: str
    field_type: str
    default_value: str | None = None
    is_required: bool
    order: int
    parent_variable: str | None = None
    style_params: dict[str, Any] | None = None

    model_config = {"from_attributes": True}


class TemplateVariableUpdate(BaseModel):
    label: str | None = None
    field_type: str | None = None
    default_value: str | None = None
    is_required: bool | None = None


class TemplateUpdate(BaseModel):
    name: str | None = Field(default=None, min_length=1, max_length=255)
    description: str | None = None
    is_public: bool | None = None


class DocumentTemplateResponse(BaseModel):
    id: int
    name: str
    description: str | None
    original_filename: str
    owner_id: int
    owner_username: str | None = None
    is_public: bool
    is_owner: bool = False
    created_at: datetime
    updated_at: datetime
    variables: list[TemplateVariableResponse] = []

    model_config = {"from_attributes": True}


class DocumentTemplateListItem(BaseModel):
    id: int
    name: str
    description: str | None
    original_filename: str
    owner_id: int
    owner_username: str | None = None
    is_public: bool
    is_owner: bool = False
    created_at: datetime
    variable_count: int = 0

    model_config = {"from_attributes": True}


class FilledDocumentCreate(BaseModel):
    template_id: int
    name: str
    field_data: dict[str, Any]


class FilledDocumentUpdate(BaseModel):
    name: str | None = Field(default=None, min_length=1, max_length=255)
    field_data: dict[str, Any] | None = None


class FilledDocumentResponse(BaseModel):
    id: int
    template_id: int
    owner_id: int
    owner_username: str | None = None
    name: str
    field_data: dict[str, Any]
    created_at: datetime

    model_config = {"from_attributes": True}


class PreviewResponse(BaseModel):
    html: str
    field_data: dict[str, Any]