from sqlalchemy import (Boolean, Column, ForeignKey, Integer, String, Text, JSON)
from sqlalchemy.orm import relationship

from app.core.database import Base
from models.database.base import TimestampMixin


class Vendor(Base, TimestampMixin):
    __tablename__ = "vendors"

    id = Column(Integer, primary_key=True, index=True)
    vendor_code = Column(
        String, unique=True, index=True, nullable=False
    )  # e.g., "TECHSTORE", "FASHIONHUB"
    subdomain = Column(String(100), unique=True, nullable=False, index=True)
    name = Column(String, nullable=False)  # Display name
    description = Column(Text)
    owner_user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
    theme_config = Column(JSON, default=dict)

    # Contact information
    contact_email = Column(String)
    contact_phone = Column(String)
    website = Column(String)

    # Letzshop URLs - multi-language support
    letzshop_csv_url_fr = Column(String)
    letzshop_csv_url_en = Column(String)
    letzshop_csv_url_de = Column(String)

    # Business information
    business_address = Column(Text)
    tax_number = Column(String)

    # Status
    is_active = Column(Boolean, default=True)
    is_verified = Column(Boolean, default=False)

    # Relationships
    owner = relationship("User", back_populates="owned_vendors")
    vendor_users = relationship("VendorUser", back_populates="vendor")
    products = relationship("Product", back_populates="vendor")
    customers = relationship("Customer", back_populates="vendor")
    orders = relationship("Order", back_populates="vendor")
    marketplace_import_jobs = relationship("MarketplaceImportJob", back_populates="vendor")

    def __repr__(self):
        return f"<Vendor(id={self.id}, vendor_code='{self.vendor_code}', name='{self.name}', subdomain='{self.subdomain}')>"


class VendorUser(Base, TimestampMixin):
    __tablename__ = "vendor_users"

    id = Column(Integer, primary_key=True, index=True)
    vendor_id = Column(Integer, ForeignKey("vendors.id"), nullable=False)
    user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
    role_id = Column(Integer, ForeignKey("roles.id"), nullable=False)
    invited_by = Column(Integer, ForeignKey("users.id"))
    is_active = Column(Boolean, default=True, nullable=False)

    # Relationships
    vendor = relationship("Vendor", back_populates="vendor_users")
    user = relationship("User", foreign_keys=[user_id], back_populates="vendor_memberships")
    inviter = relationship("User", foreign_keys=[invited_by])
    role = relationship("Role", back_populates="vendor_users")

    def __repr__(self):
        return f"<VendorUser(vendor_id={self.vendor_id}, user_id={self.user_id})>"


class Role(Base, TimestampMixin):
    __tablename__ = "roles"

    id = Column(Integer, primary_key=True, index=True)
    vendor_id = Column(Integer, ForeignKey("vendors.id"), nullable=False)
    name = Column(String(100), nullable=False)  # "Owner", "Manager", "Editor", "Viewer"
    permissions = Column(JSON, default=list)  # ["products.create", "orders.view", etc.]

    # Relationships
    vendor = relationship("Vendor")
    vendor_users = relationship("VendorUser", back_populates="role")

    def __repr__(self):
        return f"<Role(id={self.id}, name='{self.name}', vendor_id={self.vendor_id})>"