from datetime import datetime

from sqlalchemy import Boolean, DateTime, ForeignKey, String, Text, func
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.db.database import Base


class Customer(Base):
    __tablename__ = "customers"

    id: Mapped[int] = mapped_column(primary_key=True)
    customer_number: Mapped[str] = mapped_column(String(50), unique=True, index=True)
    company_name: Mapped[str] = mapped_column(String(255), index=True)
    legal_name: Mapped[str] = mapped_column(String(255), default="", server_default="")
    customer_type: Mapped[str] = mapped_column(String(50), index=True)
    status: Mapped[str] = mapped_column(String(50), index=True)
    industry: Mapped[str] = mapped_column(String(120), default="", server_default="")
    website: Mapped[str] = mapped_column(String(255), default="", server_default="")
    email: Mapped[str] = mapped_column(String(255), default="", server_default="")
    phone: Mapped[str] = mapped_column(String(80), default="", server_default="")
    tax_number: Mapped[str] = mapped_column(String(120), default="", server_default="")
    vat_id: Mapped[str] = mapped_column(String(120), default="", server_default="")
    notes: Mapped[str] = mapped_column(Text, default="", server_default="")
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        server_default=func.now(),
        onupdate=func.now(),
    )

    addresses: Mapped[list["CustomerAddress"]] = relationship(
        back_populates="customer",
        cascade="all, delete-orphan",
        lazy="selectin",
    )
    contacts: Mapped[list["CustomerContact"]] = relationship(
        back_populates="customer",
        cascade="all, delete-orphan",
        lazy="selectin",
    )


class CustomerAddress(Base):
    __tablename__ = "customer_addresses"

    id: Mapped[int] = mapped_column(primary_key=True)
    customer_id: Mapped[int] = mapped_column(
        ForeignKey("customers.id", ondelete="CASCADE"),
        index=True,
    )
    type: Mapped[str] = mapped_column(String(50), index=True)
    street: Mapped[str] = mapped_column(String(255), default="", server_default="")
    postal_code: Mapped[str] = mapped_column(String(30), default="", server_default="")
    city: Mapped[str] = mapped_column(String(120), default="", server_default="")
    state: Mapped[str] = mapped_column(String(120), default="", server_default="")
    country: Mapped[str] = mapped_column(String(120), default="Deutschland", server_default="Deutschland")
    is_primary: Mapped[bool] = mapped_column(Boolean, default=False, server_default="false")
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        server_default=func.now(),
        onupdate=func.now(),
    )

    customer: Mapped[Customer] = relationship(back_populates="addresses")


class CustomerContact(Base):
    __tablename__ = "customer_contacts"

    id: Mapped[int] = mapped_column(primary_key=True)
    customer_id: Mapped[int] = mapped_column(
        ForeignKey("customers.id", ondelete="CASCADE"),
        index=True,
    )
    first_name: Mapped[str] = mapped_column(String(100), default="", server_default="")
    last_name: Mapped[str] = mapped_column(String(100), default="", server_default="")
    position: Mapped[str] = mapped_column(String(120), default="", server_default="")
    email: Mapped[str] = mapped_column(String(255), default="", server_default="")
    phone: Mapped[str] = mapped_column(String(80), default="", server_default="")
    mobile: Mapped[str] = mapped_column(String(80), default="", server_default="")
    is_primary: Mapped[bool] = mapped_column(Boolean, default=False, server_default="false")
    notes: Mapped[str] = mapped_column(Text, default="", server_default="")
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        server_default=func.now(),
        onupdate=func.now(),
    )

    customer: Mapped[Customer] = relationship(back_populates="contacts")