from . import db
from flask_login import UserMixin
from . import login_manager
from datetime import datetime

class User(UserMixin, db.Model):
    id = db.Column(db.Integer, primary_key=True)
    username = db.Column(db.String(64), unique=True, nullable=False)
    email = db.Column(db.String(120), unique=True, nullable=False)
    password_hash = db.Column(db.String(256), nullable=False)
    is_admin = db.Column(db.Boolean, default=False)

class ImageRecord(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    filename = db.Column(db.String(255), nullable=False)
    filepath = db.Column(db.String(512), nullable=False)
    thumb_path = db.Column(db.String(512))
    hash = db.Column(db.String(64), unique=True, nullable=False)  # SHA256
    perceptual_hash = db.Column(db.String(16), nullable=True)  # hex of 64-bit hash
    artist = db.Column(db.String(255), nullable=True)
    file_size = db.Column(db.Integer, nullable=True)
    width = db.Column(db.Integer, nullable=True)
    height = db.Column(db.Integer, nullable=True)
    format = db.Column(db.String(10), nullable=True)
    camera_model = db.Column(db.String(255), nullable=True)
    taken_at = db.Column(db.DateTime, nullable=True)
    imported_at = db.Column(db.DateTime, default=db.func.now())
    is_thumbnail = db.Column(db.Boolean, default=False)



@login_manager.user_loader
def load_user(user_id):
    return User.query.get(int(user_id))