"""
Pydantic Models and Schemas
"""

from pydantic import BaseModel
from typing import Optional, List
from datetime import datetime


# Customer Schemas
class CustomerBase(BaseModel):
    """Base customer schema"""
    name: str
    email: Optional[str] = None
    phone: Optional[str] = None
    address: Optional[str] = None


class CustomerCreate(BaseModel):
    """Schema for creating a customer"""
    name: str
    cvr_number: Optional[str] = None
    email: Optional[str] = None
    phone: Optional[str] = None
    address: Optional[str] = None
    postal_code: Optional[str] = None
    city: Optional[str] = None
    website: Optional[str] = None
    is_active: bool = True


class CustomerUpdate(BaseModel):
    """Schema for updating a customer"""
    name: Optional[str] = None
    cvr_number: Optional[str] = None
    email: Optional[str] = None
    phone: Optional[str] = None
    address: Optional[str] = None
    postal_code: Optional[str] = None
    city: Optional[str] = None
    website: Optional[str] = None
    is_active: Optional[bool] = None


class Customer(CustomerBase):
    """Full customer schema"""
    id: int
    created_at: datetime
    updated_at: Optional[datetime] = None
    
    class Config:
        from_attributes = True


# Contact Schemas
class ContactBase(BaseModel):
    """Base contact schema"""
    first_name: str
    last_name: str
    email: Optional[str] = None
    phone: Optional[str] = None
    mobile: Optional[str] = None
    title: Optional[str] = None
    department: Optional[str] = None


class ContactCreate(ContactBase):
    """Schema for creating a contact"""
    company_ids: List[int] = []  # List of customer IDs to link to
    is_primary: bool = False  # Whether this is the primary contact for first company
    role: Optional[str] = None
    notes: Optional[str] = None
    is_active: bool = True


class ContactUpdate(BaseModel):
    """Schema for updating a contact"""
    first_name: Optional[str] = None
    last_name: Optional[str] = None
    email: Optional[str] = None
    phone: Optional[str] = None
    mobile: Optional[str] = None
    title: Optional[str] = None
    department: Optional[str] = None
    is_active: Optional[bool] = None


class ContactCompanyLink(BaseModel):
    """Schema for linking/unlinking a contact to a company"""
    customer_id: int
    is_primary: bool = False
    role: Optional[str] = None
    notes: Optional[str] = None


class CompanyInfo(BaseModel):
    """Schema for company information in contact context"""
    id: int
    name: str
    is_primary: bool
    role: Optional[str] = None
    notes: Optional[str] = None


class Contact(ContactBase):
    """Full contact schema"""
    id: int
    is_active: bool
    vtiger_id: Optional[str] = None
    created_at: datetime
    updated_at: Optional[datetime] = None
    companies: List[CompanyInfo] = []  # List of linked companies
    
    class Config:
        from_attributes = True


# Hardware Schemas
class HardwareBase(BaseModel):
    """Base hardware schema"""
    serial_number: str
    model: str
    customer_id: int


class HardwareCreate(HardwareBase):
    """Schema for creating hardware"""
    pass


class Hardware(HardwareBase):
    """Full hardware schema"""
    id: int
    created_at: datetime
    
    class Config:
        from_attributes = True


# Vendor Schemas
class VendorBase(BaseModel):
    """Base vendor schema"""
    name: str
    email: Optional[str] = None
    phone: Optional[str] = None


class VendorCreate(BaseModel):
    """Schema for creating a vendor"""
    name: str
    cvr_number: Optional[str] = None
    email: Optional[str] = None
    phone: Optional[str] = None
    address: Optional[str] = None
    postal_code: Optional[str] = None
    city: Optional[str] = None
    website: Optional[str] = None
    domain: Optional[str] = None
    email_pattern: Optional[str] = None
    category: str = 'general'
    priority: int = 50
    notes: Optional[str] = None
    is_active: bool = True


class VendorUpdate(BaseModel):
    """Schema for updating a vendor"""
    name: Optional[str] = None
    cvr_number: Optional[str] = None
    email: Optional[str] = None
    phone: Optional[str] = None
    address: Optional[str] = None
    postal_code: Optional[str] = None
    city: Optional[str] = None
    website: Optional[str] = None
    domain: Optional[str] = None
    email_pattern: Optional[str] = None
    category: Optional[str] = None
    priority: Optional[int] = None
    notes: Optional[str] = None
    is_active: Optional[bool] = None


class Vendor(VendorBase):
    """Full vendor schema"""
    id: int
    cvr_number: Optional[str] = None
    address: Optional[str] = None
    postal_code: Optional[str] = None
    city: Optional[str] = None
    country: Optional[str] = None
    website: Optional[str] = None
    domain: Optional[str] = None
    category: str
    priority: int
    notes: Optional[str] = None
    is_active: bool
    created_at: datetime
    updated_at: Optional[datetime] = None
    
    class Config:
        from_attributes = True