from app import db

Ressources_ACs = db.Table("Ressources_ACs",
    db.Column("Ressource_code", db.String(4), db.ForeignKey("ressource.code")),
    db.Column("AC_code", db.String(6), db.ForeignKey("AC.code"))
)

Ressources_SAEs = db.Table("Ressources_SAEs",
    db.Column("Ressource_code", db.String(4), db.ForeignKey("ressource.code")),
    db.Column("SAE_code", db.String(5), db.ForeignKey("SAE.code"))
)

SAEs_ACs = db.Table("SAEs_ACs",
    db.Column("SAE_code", db.String(5), db.ForeignKey("SAE.code")),
    db.Column("AC_code", db.String(6), db.ForeignKey("AC.code"))
)

class PN(db.Model):
    code = db.Column(db.String(3), primary_key = True)
    nom = db.Column(db.String(255))
    diminutif = db.Column(db.String(30))
    description = db.Column(db.Text())
    type = db.Column(db.String(1))

    def __repr__(self):
        return "<PN {}>".format(self.code)

class AC(db.Model):
    code = db.Column(db.String(6), primary_key = True)
    titre = db.Column(db.String(255))
    saes = db.relationship("SAE", secondary=SAEs_ACs, cascade="all, delete", lazy=False, backref=db.backref("acs", lazy=False))
    ressources = db.relationship("Ressource", secondary=Ressources_ACs, cascade="all, delete", lazy=False, backref=db.backref("acs", lazy=False))

    def __repr__(self):
        return "<AC {}>".format(self.code)

class SAE(db.Model):
    code = db.Column(db.String(5), primary_key = True)
    titre = db.Column(db.String(255))
    semestre = db.Column(db.String(255))
    heures_encadrees = db.Column(db.String(3))
    heures_tp = db.Column(db.String(3))
    projet = db.Column(db.String(3))
    description = db.Column(db.Text())
    coef = db.Column(db.String(255))
    ressources = db.relationship("Ressource", secondary=Ressources_SAEs, cascade="all, delete", lazy=False, backref=db.backref("saes", lazy=False))
    livrables = db.Column(db.Text())
    motscles = db.Column(db.String(255))

    def __repr__(self):
        return "<SAE {}>".format(self.code)

class Ressource(db.Model): 
    code = db.Column(db.String(4), primary_key = True)
    nom = db.Column(db.String(255))
    semestre = db.Column(db.String(255))
    heures_formation = db.Column(db.String(3))
    heures_tp = db.Column(db.String(3))
    coef = db.Column(db.String(255))
    prerequis = db.Column(db.String(255))
    contexte = db.Column(db.Text())
    contenu = db.Column(db.Text())
    motscles = db.Column(db.String(255))

    def __repr__(self):
        return "<Ressource {}>".format(self.code)

class Competence(db.Model):
    code = db.Column(db.String(3), primary_key = True)
    nom = db.Column(db.String(255))
    diminutif = db.Column(db.String(30))
    description = db.Column(db.Text())
    composantes = db.Column(db.Text())
    situations = db.Column(db.Text())
    niveaux = db.Column(db.Text())

    def __repr__(self):
        return "<Compétence {}>".format(self.code)