from sqlalchemy import BigInteger, Integer, Numeric, String, Text
from sqlalchemy.orm import Mapped, mapped_column

from backend.app.models.base import BaseModel, TimestampMixin


class CrmCustomer(TimestampMixin, BaseModel):
    __tablename__ = "crm_customer"

    id: Mapped[int] = mapped_column(BigInteger, primary_key=True)
    customer_name: Mapped[str] = mapped_column(String(64), nullable=False)
    mobile: Mapped[str] = mapped_column(String(20), nullable=False)
    address: Mapped[str | None] = mapped_column(String(255))
    settlement_type: Mapped[str | None] = mapped_column(String(32))
    settlement_days: Mapped[int | None] = mapped_column(Integer)
    settlement_start_type: Mapped[str | None] = mapped_column(String(32))
    customer_type: Mapped[str | None] = mapped_column(String(32))
    salesman_id: Mapped[int | None] = mapped_column(BigInteger)
    credit_limit: Mapped[float] = mapped_column(Numeric(18, 2), nullable=False, default=0)
    arrears_amount: Mapped[float] = mapped_column(Numeric(18, 2), nullable=False, default=0)
    status: Mapped[int] = mapped_column(Integer, nullable=False, default=1)
    remark: Mapped[str | None] = mapped_column(String(500))
    deleted: Mapped[int] = mapped_column(Integer, nullable=False, default=0)


class Product(TimestampMixin, BaseModel):
    __tablename__ = "product"

    id: Mapped[int] = mapped_column(BigInteger, primary_key=True)
    product_name: Mapped[str] = mapped_column(String(128), nullable=False)
    specification: Mapped[str] = mapped_column(String(128), nullable=False)
    unit: Mapped[str] = mapped_column(String(32), nullable=False)
    category: Mapped[str] = mapped_column(String(64), nullable=False)
    cost_price: Mapped[float] = mapped_column(Numeric(18, 2), nullable=False, default=0)
    sale_price: Mapped[float] = mapped_column(Numeric(18, 2), nullable=False, default=0)
    status: Mapped[int] = mapped_column(Integer, nullable=False, default=1)
    remark: Mapped[str | None] = mapped_column(String(500))
    deleted: Mapped[int] = mapped_column(Integer, nullable=False, default=0)


class BaseSupplier(TimestampMixin, BaseModel):
    __tablename__ = "base_supplier"

    id: Mapped[int] = mapped_column(BigInteger, primary_key=True)
    supplier_name: Mapped[str] = mapped_column(String(128), nullable=False)
    supplier_type: Mapped[str] = mapped_column(String(32), nullable=False)
    contact_name: Mapped[str | None] = mapped_column(String(64))
    contact_mobile: Mapped[str | None] = mapped_column(String(20))
    address: Mapped[str | None] = mapped_column(String(255))
    template_type: Mapped[str | None] = mapped_column(String(64))
    status: Mapped[int] = mapped_column(Integer, nullable=False, default=1)
    remark: Mapped[str | None] = mapped_column(String(500))
    deleted: Mapped[int] = mapped_column(Integer, nullable=False, default=0)


class SalesOrder(TimestampMixin, BaseModel):
    __tablename__ = "sales_order"

    id: Mapped[int] = mapped_column(BigInteger, primary_key=True)
    order_no: Mapped[str] = mapped_column(String(64), nullable=False, unique=True)
    customer_id: Mapped[int | None] = mapped_column(BigInteger)
    customer_name_snapshot: Mapped[str] = mapped_column(String(64), nullable=False)
    customer_mobile_snapshot: Mapped[str] = mapped_column(String(20), nullable=False)
    salesman_id: Mapped[int] = mapped_column(BigInteger, nullable=False)
    order_source: Mapped[str | None] = mapped_column(String(64))
    order_status: Mapped[str] = mapped_column(String(32), nullable=False)
    delivery_type: Mapped[str | None] = mapped_column(String(32))
    factory_id: Mapped[int | None] = mapped_column(BigInteger)
    sale_price_total: Mapped[float] = mapped_column(Numeric(18, 2), nullable=False, default=0)
    cost_price_total: Mapped[float] = mapped_column(Numeric(18, 2), nullable=False, default=0)
    rebate_total: Mapped[float] = mapped_column(Numeric(18, 2), nullable=False, default=0)
    freight_total: Mapped[float] = mapped_column(Numeric(18, 2), nullable=False, default=0)
    tax_total: Mapped[float] = mapped_column(Numeric(18, 2), nullable=False, default=0)
    other_fee_total: Mapped[float] = mapped_column(Numeric(18, 2), nullable=False, default=0)
    profit_total: Mapped[float] = mapped_column(Numeric(18, 2), nullable=False, default=0)
    profit_rate: Mapped[float] = mapped_column(Numeric(10, 4), nullable=False, default=0)
    created_by: Mapped[int] = mapped_column(BigInteger, nullable=False)
    submitted_at: Mapped[str | None] = mapped_column(String(32))
    approved_by: Mapped[int | None] = mapped_column(BigInteger)
    approved_at: Mapped[str | None] = mapped_column(String(32))
    canceled_at: Mapped[str | None] = mapped_column(String(32))
    completed_at: Mapped[str | None] = mapped_column(String(32))
    remark: Mapped[str | None] = mapped_column(String(1000))
    deleted: Mapped[int] = mapped_column(Integer, nullable=False, default=0)


class SalesOrderItem(TimestampMixin, BaseModel):
    __tablename__ = "sales_order_item"

    id: Mapped[int] = mapped_column(BigInteger, primary_key=True)
    order_id: Mapped[int] = mapped_column(BigInteger, nullable=False)
    product_id: Mapped[int | None] = mapped_column(BigInteger)
    product_name_snapshot: Mapped[str] = mapped_column(String(128), nullable=False)
    specification_snapshot: Mapped[str] = mapped_column(String(128), nullable=False)
    unit_snapshot: Mapped[str] = mapped_column(String(32), nullable=False)
    quantity: Mapped[float] = mapped_column(Numeric(18, 4), nullable=False, default=0)
    sale_price: Mapped[float] = mapped_column(Numeric(18, 2), nullable=False, default=0)
    cost_price: Mapped[float] = mapped_column(Numeric(18, 2), nullable=False, default=0)
    rebate_amount: Mapped[float] = mapped_column(Numeric(18, 2), nullable=False, default=0)
    freight_amount: Mapped[float] = mapped_column(Numeric(18, 2), nullable=False, default=0)
    tax_amount: Mapped[float] = mapped_column(Numeric(18, 2), nullable=False, default=0)
    other_fee_amount: Mapped[float] = mapped_column(Numeric(18, 2), nullable=False, default=0)
    line_profit: Mapped[float] = mapped_column(Numeric(18, 2), nullable=False, default=0)
    remark: Mapped[str | None] = mapped_column(String(500))
    deleted: Mapped[int] = mapped_column(Integer, nullable=False, default=0)