from flask import (jsonify, request)
from sqlalchemy.exc import DataError
from sqlalchemy.orm.exc import NoResultFound
from app.dao.templates_dao import get_model_templates
from app.dao.services_dao import get_model_services
from app.schemas import (template_schema, templates_schema)
from app import db

from flask import (jsonify, request)
from sqlalchemy.exc import DataError
from sqlalchemy.orm.exc import NoResultFound
from . import template
from app import db


# I am going to keep these for admin like operations
# Permissions should restrict who can access this endpoint
# TODO auth to be added.
@template.route('/<int:template_id>', methods=['GET'])
@template.route('/', methods=['GET'])
def get_template(template_id=None):
    try:
        templates = get_model_templates(template_id=template_id)
    except DataError:
        return jsonify(result="error", message="Invalid template id"), 400
    except NoResultFound:
        return jsonify(result="error", message="Template not found"), 404
    if isinstance(templates, list):
        data, errors = templates_schema.dump(templates)
    else:
        data, errors = template_schema.dump(templates)
    if errors:
        return jsonify(result="error", message=str(errors))
    return jsonify(data=data)