from flask_sqlalchemy import SQLAlchemy

db = SQLAlchemy()

class TwitterAccount(db.Model):
    __tablename__ = 'twitter_account'

    id = db.Column(db.String(36), primary_key=True)
    user_id = db.Column(db.String(64), nullable=False)
    twitter_account_id = db.Column(db.String(32), nullable=False)
    username = db.Column(db.String(16), nullable=False)
    access_token = db.Column(db.String(256), nullable=False)
    access_token_secret = db.Column(db.String(256), nullable=False)

class TwitterCampaign(db.Model):
    __tablename__ = 'twitter_campaign'

    id = db.Column(db.String(36), primary_key=True)
    user_id = db.Column(db.String(64), nullable=False)
    campaign_name = db.Column(db.String(64), nullable=False)
    twitter_account_id = db.Column(db.String(32), nullable=False)
    user_input = db.Column(db.String(100), nullable=False)
    posts = db.relationship('TwitterPost', backref='campaign', lazy=True)

class TwitterPost(db.Model):
    __tablename__ = 'twitter_post'

    id = db.Column(db.String(36), primary_key=True)
    campaign_id = db.Column(db.String(36), db.ForeignKey(TwitterCampaign.id), nullable=False)
    user_id = db.Column(db.String(64), nullable=False)
    post_content = db.Column(db.String(300), nullable=False)
    twitter_post_id = db.Column(db.String(32), unique=True, nullable=False)