# 数据库模型 - 使用字段编码
from sqlalchemy import Column, String, Float, Boolean, DateTime, Integer, Text, ForeignKey
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func
from app.core.database import Base
import uuid


def generate_uuid():
    """生成 UUID 字符串"""
    return str(uuid.uuid4())


class User(Base):
    __tablename__ = "users"

    # f99 系统字段
    f99_90_id = Column(String(36), primary_key=True, default=generate_uuid)
    f99_91_user_id = Column(String(36), unique=True, nullable=False, index=True)
    f01_01_name = Column(String(255), unique=True, nullable=False, index=True)  # username
    email = Column(String(255), unique=True, nullable=True, index=True)
    phone = Column(String(50), nullable=True)
    avatar = Column(String(500), nullable=True)
    address = Column(String(500), nullable=True)
    bio = Column(Text, nullable=True)
    password = Column(String(255), nullable=False)
    role = Column(String(50), default="user")
    # last_login = Column(DateTime(timezone=True), nullable=True)
    f99_92_created_at = Column(DateTime(timezone=True), server_default=func.now())
    f99_93_updated_at = Column(DateTime(timezone=True), onupdate=func.now())

    collections = relationship("Collection", back_populates="user", cascade="all, delete-orphan")
    operations = relationship("Operation", back_populates="user", cascade="all, delete-orphan")
    custom_fields = relationship("CustomField", back_populates="user", cascade="all, delete-orphan")


class Collection(Base):
    __tablename__ = "collections"

    # f99 系统字段
    f99_90_id = Column(String(36), primary_key=True, default=generate_uuid)
    f99_91_user_id = Column(String(36), ForeignKey("users.f99_90_id", ondelete="CASCADE"), nullable=False, index=True)
    f99_92_created_at = Column(DateTime(timezone=True), server_default=func.now(), index=True)
    f99_93_updated_at = Column(DateTime(timezone=True), onupdate=func.now())

    # f01 基本信息
    f01_01_name = Column(String(255), nullable=False)
    f01_02_code = Column(String(50), nullable=True, index=True)
    f01_03_category = Column(String(100), nullable=False, index=True)
    f01_04_status = Column(String(50), default="in_collection", index=True)
    f01_05_remark = Column(Text, nullable=True)

    # f02 详细字段
    f02_10_prefix_serial = Column(String(50), nullable=True, index=True)
    f02_11_version = Column(String(100), nullable=True, index=True)
    f02_12_packaging = Column(String(100), nullable=True, index=True)
    f02_13_rarity = Column(String(50), nullable=True, index=True)  # 珍惜度
    f02_14_number_category = Column(String(20), nullable=True, index=True)  # 号码分类

    # f03 评级信息
    f03_20_is_graded = Column(Boolean, default=False, index=True)
    f03_21_grading_company = Column(String(100), nullable=True, index=True)
    f03_22_grading_score = Column(String(20), nullable=True, index=True)
    f03_23_three_star = Column(Boolean, default=False, index=True)

    # f04 特殊信息
    f04_30_special_mark = Column(String(200), nullable=True, index=True)
    f04_31_serial_feature = Column(String(100), nullable=True, index=True)
    f04_32_issuer = Column(String(100), nullable=True, index=True)
    f04_33_issue_year = Column(String(20), nullable=True, index=True)
    f04_34_material = Column(String(50), nullable=True)
    f04_35_denomination = Column(String(20), nullable=True)
    f04_36_issue_quantity = Column(String(50), nullable=True)

    # f05 价格信息
    f05_40_cost_price = Column(Float, nullable=True, index=True)
    f05_41_target_price = Column(Float, nullable=True, index=True)
    f05_42_goal_price = Column(Float, nullable=True)
    f05_43_repair_fee = Column(Float, nullable=True)
    f05_44_grading_fee = Column(Float, nullable=True)

    # f06 其他信息
    f06_50_purpose = Column(String(100), nullable=True)

    user = relationship("User", back_populates="collections")
    images = relationship("CollectionImage", back_populates="collection", cascade="all, delete-orphan")
    operations = relationship("Operation", back_populates="collection", cascade="all, delete-orphan")


class CollectionImage(Base):
    __tablename__ = "collection_images"

    id = Column(String(36), primary_key=True, default=generate_uuid)
    collection_id = Column(String(36), ForeignKey("collections.f99_90_id", ondelete="CASCADE"), nullable=False, index=True)
    filename = Column(String(255), nullable=False)
    original_name = Column(String(255), nullable=True)
    path = Column(String(500), nullable=True)
    created_at = Column(DateTime(timezone=True), server_default=func.now())

    collection = relationship("Collection", back_populates="images")


class Operation(Base):
    __tablename__ = "operations"

    f99_90_id = Column(String(36), primary_key=True, default=generate_uuid)
    f99_91_user_id = Column(String(36), ForeignKey("collections.f99_90_id", ondelete="CASCADE"), nullable=False, index=True)
    f99_92_user_id = Column(String(36), ForeignKey("users.f99_90_id", ondelete="CASCADE"), nullable=False, index=True)
    type = Column(String(50), nullable=False, index=True)
    price = Column(Float, nullable=True)
    note = Column(Text, nullable=True)
    f99_93_created_at = Column(DateTime(timezone=True), server_default=func.now(), index=True)

    collection = relationship("Collection", back_populates="operations")
    user = relationship("User", back_populates="operations")


class CustomField(Base):
    __tablename__ = "custom_fields"

    id = Column(String(36), primary_key=True, default=generate_uuid)
    user_id = Column(String(36), ForeignKey("users.f99_90_id", ondelete="CASCADE"), nullable=False, index=True)
    name = Column(String(100), nullable=False)
    field_type = Column(String(50), default="text")
    options = Column(Text, nullable=True)
    required = Column(Boolean, default=False)
    visible = Column(Boolean, default=True)
    sort_order = Column(Integer, default=0)
    created_at = Column(DateTime(timezone=True), server_default=func.now())

    user = relationship("User", back_populates="custom_fields")