from shared import PA, ICON
from flask import url_for
from flask_wtf import FlaskForm
from main import db, app, ma 
from sqlalchemy import Sequence
from sqlalchemy.exc import SQLAlchemyError

# pylint: disable=no-member

################################################################################
# Class describing File in the database, and via sqlalchemy, connected to the DB as well
# This has to match one-for-one the DB table
################################################################################
class PathType(db.Model):
    __tablename__ = "path_type"
    id = db.Column(db.Integer, db.Sequence('path_type_id_seq'), primary_key=True )
    name = db.Column(db.String, unique=True, nullable=False )

    def __repr__(self):
        return "<id: {}, name={}>".format(self.id, self.name )

################################################################################
# Class describing Path & in the database via sqlalchemy
################################################################################
class Path(db.Model):
    __tablename__ = "path"
    id = db.Column(db.Integer, db.Sequence('path_id_seq'), primary_key=True )
    type_id = db.Column(db.Integer, db.ForeignKey("path_type.id"))
    type = db.relationship("PathType")
    path_prefix = db.Column(db.String, unique=True, nullable=False )
    num_files = db.Column(db.Integer)

    def __repr__(self):
        return f"<id: {self.id}, path_prefix: {self.path_prefix}, num_files={self.num_files}, type={self.type}>"


################################################################################
# Class describing PathDeatil (quick connvenence class for MovePathDetails())
################################################################################
class PathDetail(PA):
    def __init__(self,type,path):
        self.type=type
        self.path=path
        self.icon_url=url_for('internal', filename='icons.svg') + '#' + ICON[self.type]
        return

################################################################################
# helper function to find oath details for move destinations - used in html 
# for move DBox to show potential storage paths to move files into
################################################################################
def MovePathDetails():
    ret=[]
    sps=Path.query.join(PathType).filter(PathType.name=='Storage').all()
    for p in sps:
        obj = PathDetail( type='Storage', path=p.path_prefix.replace('static/Storage/','') )
        ret.append( obj )
    ips=Path.query.join(PathType).filter(PathType.name=='Import').all()
    for p in ips:
        obj = PathDetail( type='Import', path=p.path_prefix.replace('static/Import/','') )
        ret.append( obj )
    return ret