from flask_prompt_master import db
from datetime import datetime

class User(db.Model):
    __tablename__ = 'user'
    
    uid = db.Column(db.Integer, primary_key=True)
    nickname = db.Column(db.String(100), nullable=False)
    mobile = db.Column(db.String(20), nullable=True)
    email = db.Column(db.String(100), nullable=True)
    sex = db.Column(db.Integer, nullable=False, default=0)
    avatar = db.Column(db.String(64), nullable=True)
    login_name = db.Column(db.String(20), nullable=False, unique=True)
    login_pwd = db.Column(db.String(32), nullable=False)
    login_salt = db.Column(db.String(32), nullable=False)
    status = db.Column(db.Integer, nullable=False, default=1)
    openid = db.Column(db.String(64), unique=True)
    session_key = db.Column(db.String(64))
    unionid = db.Column(db.String(64), unique=True)
    wx_nickname = db.Column(db.String(100))
    wx_avatar = db.Column(db.String(255))
    updated_time = db.Column(db.DateTime, default=datetime.utcnow)
    created_time = db.Column(db.DateTime, default=datetime.utcnow)
    
    prompts = db.relationship('Prompt', backref='author', lazy='dynamic')
    feedbacks = db.relationship('Feedback', backref='author', lazy='dynamic')

class WxUser(db.Model):
    """微信小程序用户表"""
    __tablename__ = 'wx_user'
    
    id = db.Column(db.Integer, primary_key=True)
    openid = db.Column(db.String(64), unique=True, nullable=False)
    session_key = db.Column(db.String(64))
    unionid = db.Column(db.String(64), unique=True)
    nickname = db.Column(db.String(100))
    avatar_url = db.Column(db.String(255))
    gender = db.Column(db.Integer, default=0)  # 0:未知, 1:男, 2:女
    country = db.Column(db.String(50))
    province = db.Column(db.String(50))
    city = db.Column(db.String(50))
    language = db.Column(db.String(20))
    phone = db.Column(db.String(20))
    is_active = db.Column(db.Boolean, default=True)
    last_login = db.Column(db.DateTime, default=datetime.utcnow)
    created_at = db.Column(db.DateTime, default=datetime.utcnow)
    updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
    
    # 关联到提示词和反馈
    prompts = db.relationship('Prompt', backref='wx_user', lazy='dynamic', 
                            foreign_keys='Prompt.wx_user_id')
    feedbacks = db.relationship('Feedback', backref='wx_user', lazy='dynamic',
                              foreign_keys='Feedback.wx_user_id')

class Prompt(db.Model):
    __tablename__ = 'prompt'
    
    id = db.Column(db.Integer, primary_key=True)
    input_text = db.Column(db.Text, nullable=False)
    generated_text = db.Column(db.Text, nullable=False)
    created_at = db.Column(db.DateTime, default=datetime.utcnow)
    user_id = db.Column(db.Integer, db.ForeignKey('user.uid'))  # 修改为可空
    wx_user_id = db.Column(db.Integer, db.ForeignKey('wx_user.id'))  # 添加微信用户ID
    feedbacks = db.relationship('Feedback', backref='prompt', lazy='dynamic')

class Feedback(db.Model):
    __tablename__ = 'feedback'
    
    id = db.Column(db.Integer, primary_key=True)
    rating = db.Column(db.Integer, nullable=False)
    comment = db.Column(db.Text)
    created_at = db.Column(db.DateTime, default=datetime.utcnow)
    user_id = db.Column(db.Integer, db.ForeignKey('user.uid'))  # 修改为可空
    wx_user_id = db.Column(db.Integer, db.ForeignKey('wx_user.id'))  # 添加微信用户ID
    prompt_id = db.Column(db.Integer, db.ForeignKey('prompt.id'), nullable=False)

class PromptTemplate(db.Model):
    __tablename__ = 'prompt_template'
    
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(100), nullable=False)
    description = db.Column(db.Text)
    category = db.Column(db.String(50))
    industry = db.Column(db.String(50))
    profession = db.Column(db.String(50))
    sub_category = db.Column(db.String(50))
    system_prompt = db.Column(db.Text, nullable=False)
    is_default = db.Column(db.Boolean, default=False)
    created_at = db.Column(db.DateTime, default=datetime.utcnow)