from datetime import datetime
from flask_login import UserMixin
from werkzeug.security import generate_password_hash, check_password_hash
from . import db, login_manager

class Plan(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    code = db.Column(db.String(50), unique=True, nullable=False)
    name = db.Column(db.String(120), nullable=False)
    monthly_lookup_limit = db.Column(db.Integer, default=25)
    price_cents = db.Column(db.Integer, default=0)

class User(UserMixin, db.Model):
    id = db.Column(db.Integer, primary_key=True)
    email = db.Column(db.String(255), unique=True, nullable=False, index=True)
    password_hash = db.Column(db.String(255), nullable=False)
    plan_id = db.Column(db.Integer, db.ForeignKey("plan.id"))
    plan = db.relationship("Plan")
    monthly_lookups = db.Column(db.Integer, default=0)
    month_anchor = db.Column(db.DateTime, default=datetime.utcnow)

    def set_password(self, password):
        self.password_hash = generate_password_hash(password)

    def check_password(self, password):
        return check_password_hash(self.password_hash, password)

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

class LookupLog(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    user_id = db.Column(db.Integer, db.ForeignKey("user.id"))
    input_type = db.Column(db.String(20))     # "address" or "coords"
    input_value = db.Column(db.Text)
    municipality = db.Column(db.String(255))
    zoning = db.Column(db.String(255))
    created_at = db.Column(db.DateTime, default=datetime.utcnow)

class MunicipalityCache(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    municipality = db.Column(db.String(255), index=True)
    data = db.Column(db.JSON)                 # sign codes, contacts, etc.
    updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)