from __future__ import annotations
from sqlalchemy import Column, Integer, String, Text, Boolean, DateTime, ForeignKey, JSON
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func

from app.database import Base


class AboutStory(Base):
    __tablename__ = "about_story"

    id = Column(Integer, primary_key=True, autoincrement=True)
    title = Column(String(200))
    content = Column(Text)
    founding_moment = Column(String(500))
    totem_description = Column(Text)
    totem_tagline = Column(String(500))
    updated_at = Column(DateTime, server_default=func.now(), onupdate=func.now())


class AboutSubsidiary(Base):
    __tablename__ = "about_subsidiaries"

    id = Column(Integer, primary_key=True, autoincrement=True)
    name = Column(String(255), nullable=False)
    role = Column(Text)
    established = Column(String(20))
    sort_order = Column(Integer, default=0)


class AboutCertification(Base):
    __tablename__ = "about_certifications"

    id = Column(Integer, primary_key=True, autoincrement=True)
    title = Column(String(255), nullable=False)
    detail = Column(String(500))
    sort_order = Column(Integer, default=0)


class AboutTrademark(Base):
    __tablename__ = "about_trademark"

    id = Column(Integer, primary_key=True, autoincrement=True)
    name = Column(String(100))
    scope = Column(String(100))
    holder = Column(String(255))
    description = Column(Text)


class AboutCopyright(Base):
    __tablename__ = "about_copyrights"

    id = Column(Integer, primary_key=True, autoincrement=True)
    name = Column(String(200), nullable=False)
    reg_no = Column(String(100))
    category = Column(String(100))
    holder = Column(String(255))
    date = Column(String(20))
    description = Column(Text)
    sort_order = Column(Integer, default=0)


class AboutGuarantee(Base):
    __tablename__ = "about_guarantees"

    id = Column(Integer, primary_key=True, autoincrement=True)
    title = Column(String(255), nullable=False)
    detail = Column(Text)
    sort_order = Column(Integer, default=0)


class AboutXiaohongshu(Base):
    __tablename__ = "about_xiaohongshu"

    id = Column(Integer, primary_key=True, autoincrement=True)
    account = Column(String(200))
    verified = Column(Boolean, default=False)
    verified_type = Column(String(200))
    followers = Column(String(50))
    likes = Column(String(50))
    awards = Column(JSON)
    tagline = Column(String(500))
    tags = Column(JSON)
    description = Column(Text)


class AboutTeam(Base):
    __tablename__ = "about_team"

    id = Column(Integer, primary_key=True, autoincrement=True)
    summary = Column(Text)


class AboutCulture(Base):
    __tablename__ = "about_culture"

    id = Column(Integer, primary_key=True, autoincrement=True)
    core = Column(String(200))
    transparency = Column(Text)
    trust = Column(String(500))
    grief_award_name = Column(String(100))
    grief_award_description = Column(Text)

    values = relationship("AboutCultureValue", back_populates="culture", cascade="all, delete-orphan", order_by="AboutCultureValue.sort_order")


class AboutCultureValue(Base):
    __tablename__ = "about_culture_values"

    id = Column(Integer, primary_key=True, autoincrement=True)
    culture_id = Column(Integer, ForeignKey("about_culture.id", ondelete="CASCADE"), nullable=False)
    name = Column(String(50), nullable=False)
    expression = Column(Text)
    sort_order = Column(Integer, default=0)

    culture = relationship("AboutCulture", back_populates="values")


class AboutFounderDetail(Base):
    """单个创始人详细介绍（刘涛）"""
    __tablename__ = "about_founder_detail"

    id = Column(Integer, primary_key=True, autoincrement=True)
    name = Column(String(100))
    title = Column(String(200))
    brand_founded = Column(Integer)
    years_in_hulunbuir = Column(String(50))
    background = Column(Text)
    expertise = Column(JSON)        # list of strings
    media_presence = Column(JSON)   # list of strings
    updated_at = Column(DateTime, server_default=func.now(), onupdate=func.now())


class AboutFounder(Base):
    """三位创始人简短介绍（列表）"""
    __tablename__ = "about_founders"

    id = Column(Integer, primary_key=True, autoincrement=True)
    name = Column(String(100), nullable=False)
    title = Column(String(200))
    story = Column(Text)
    sort_order = Column(Integer, default=0)


class AboutMilestone(Base):
    """品牌成长纪事"""
    __tablename__ = "about_milestones"

    id = Column(Integer, primary_key=True, autoincrement=True)
    year = Column(Integer, nullable=False)
    event = Column(Text, nullable=False)
    sort_order = Column(Integer, default=0)


class AboutServicePrinciple(Base):
    """服务原则（列表字符串）"""
    __tablename__ = "about_service_principles"

    id = Column(Integer, primary_key=True, autoincrement=True)
    text = Column(Text, nullable=False)
    sort_order = Column(Integer, default=0)


class AboutDifferentiation(Base):
    """差异化竞争力"""
    __tablename__ = "about_differentiation"

    id = Column(Integer, primary_key=True, autoincrement=True)
    name = Column(String(100), nullable=False)
    detail = Column(Text)
    sort_order = Column(Integer, default=0)


class AboutServiceJourney(Base):
    """服务旅程配置（标题+子标题）"""
    __tablename__ = "about_service_journey"

    id = Column(Integer, primary_key=True, autoincrement=True)
    title = Column(String(200))
    subtitle = Column(String(500))
    updated_at = Column(DateTime, server_default=func.now(), onupdate=func.now())

    moments = relationship("AboutServiceMoment", back_populates="journey", cascade="all, delete-orphan", order_by="AboutServiceMoment.sort_order")


class AboutServiceMoment(Base):
    """服务触点（8个时刻）"""
    __tablename__ = "about_service_moments"

    id = Column(Integer, primary_key=True, autoincrement=True)
    journey_id = Column(Integer, ForeignKey("about_service_journey.id", ondelete="CASCADE"), nullable=False)
    step = Column(Integer, nullable=False)
    name = Column(String(100), nullable=False)
    detail = Column(Text)
    sort_order = Column(Integer, default=0)

    journey = relationship("AboutServiceJourney", back_populates="moments")


class AboutStats(Base):
    """品牌统计数据（单行JSON）"""
    __tablename__ = "about_stats"

    id = Column(Integer, primary_key=True, autoincrement=True)
    data = Column(JSON)   # flat key-value dict
    updated_at = Column(DateTime, server_default=func.now(), onupdate=func.now())