from minibase.app import db
from datetime import datetime
from minibase.blueprints.geography.models import Country, City, State
from minibase.blueprints.main.models import Industries, Notes


class Companies(db.Model):
    __tablename__ = 'companies'
    #Auto Fiels
    id              = db.Column(db.Integer, nullable=False, primary_key=True)
    upload_date     = db.Column(db.DateTime, nullable=False, default=datetime.utcnow)
    last_update_date= db.Column(db.DateTime, nullable=False, default=datetime.utcnow, onupdate=datetime.utcnow)

    #Own Fields
    name        = db.Column(db.String(100), nullable=False)
    website     = db.Column(db.String(100), nullable=True, default='')
    street      = db.Column(db.String(100), nullable=False)
    street_no   = db.Column(db.Integer, nullable=False)
    post_code   = db.Column(db.Integer, nullable=False)
    comment     = db.Column(db.String(300), nullable=True)
    image_file  = db.Column(db.String(20), nullable=False, default='def_company_avatar.png')


    #RELATIONSHIPS
    # One To Many Relationship
    legal_entity_id = db.Column(db.Integer, db.ForeignKey('company_legal_entities.id'), nullable=False)
    type_id         = db.Column(db.Integer, db.ForeignKey('company_types.id'), nullable=False)
    relation_id     = db.Column(db.Integer, db.ForeignKey('company_relations.id'), nullable=False)
    status_id       = db.Column(db.Integer, db.ForeignKey('company_status.id'), nullable=False)
    industry_id     = db.Column(db.Integer, db.ForeignKey('industries.id'), nullable=False)
    country_id      = db.Column(db.Integer, db.ForeignKey('countries.id'), nullable=False)
    state_id        = db.Column(db.Integer, db.ForeignKey('states.id'), nullable=False)
    city_id         = db.Column(db.Integer, db.ForeignKey('cities.id'), nullable=False)

    # Many To one
    notes = db.relationship('Notes', backref='company_notes', lazy='dynamic')

    # to Device
    manufactured_devices= db.relationship("nbiotDevice", foreign_keys="nbiotDevice.company_manufacturer_id", back_populates="company_manufacturer")
    owned_devices       = db.relationship("nbiotDevice", foreign_keys="nbiotDevice.company_owner_id", back_populates="company_owner")


class Company_types(db.Model):
    __tablename__ = 'company_types'
    id = db.Column(db.Integer, nullable=False, primary_key=True)
    name = db.Column(db.String(50), nullable=False)
    description = db.Column(db.String(300), nullable=False)
    
    companies = db.relationship('Companies', backref='type', lazy='dynamic')

    def __repr__(self):
        return f"{self.name}"


class Company_legal_entities(db.Model):
    __tablename__ = 'company_legal_entities'
    id = db.Column(db.Integer, nullable=False, primary_key=True)
    name = db.Column(db.String(50), nullable=False)
    description = db.Column(db.String(300), nullable=False)

    companies = db.relationship('Companies', backref='legal_entity', lazy='dynamic')

    # returns a more information-rich, or official, string representation of an object
    def __repr__(self):
        return f"{self.name}"


class Company_status(db.Model):
    __tablename__ = 'company_status'
    id = db.Column(db.Integer, nullable=False, primary_key=True)
    name = db.Column(db.String(50), nullable=False)
    description = db.Column(db.String(300), nullable=False)

    companies = db.relationship('Companies', backref='status', lazy='dynamic')

    # returns a more information-rich, or official, string representation of an object
    def __repr__(self):
        return f"{self.name}"


class Company_relations(db.Model):
    __tablename__ = 'company_relations'
    id = db.Column(db.Integer, nullable=False, primary_key=True)
    name = db.Column(db.String(50), nullable=False)
    description = db.Column(db.String(300), nullable=False)

    companies = db.relationship('Companies', backref='relation', lazy='dynamic')

    # returns a more information-rich, or official, string representation of an object
    def __repr__(self):
        return f"{self.name}"