#run this script and then pass the name of your project in as an argument
#e.g. bash flask_scaffolding.sh new_flask_application
#Making the application directory $1 is the name of the application
mkdir $1
cd $1

#Create the virtual environment
python3 -m venv ./env
source ./env/bin/activate

#Create the .gitignore
echo "*.pyc" >> .gitignore
echo "env/" >> .gitignore
echo "__pycache__" >> .gitignore

#Creating the setup.py file
echo "from setuptools import setup" >> setup.py
echo "setup(" >> setup.py
echo "    name='$1'," >> setup.py
echo "    packages=['$1']," >> setup.py
echo "    include_package_data=True," >> setup.py
echo "    install_requires=['flask',]," >> setup.py
echo ")" >> setup.py

#Creating the Manifest file
echo "graft flaskr/templates" >> MANIFEST.in
echo "graft flaskr/static" >> MANIFEST.in

#Creating a new subdirectory which will actually contain the application code
mkdir $1
cd $1

mkdir static templates


echo "from .$1 import app" >> __init__.py

#Creating the app file
echo "import os" >> $1.py
echo "from flask import (Flask, request, session, g, redirect, url_for, abort)" >> $1.py
echo "from flask_script import Manager" >> $1.py
echo "from flask_migrate import Migrate, MigrateCommand" >> $1.py
echo "from $1.models import db, User" >> $1.py

echo "app = Flask(__name__)" >> $1.py
echo "#Configuring the mysql database" >> $1.py

echo "DB_PASSWORD = 'replace this'" >> $1.py
echo "DB_HOST = 'replace this'" >> $1.py
echo "DB_NAME = 'replace this'" >> $1.py
echo "DB_USER = 'replace this'" >> $1.py

echo "SQLALCHEMY_DATABASE_URI = 'mysql://{}:{}@{}:3306/{}'.format(DB_USER, DB_PASSWORD, DB_HOST, DB_NAME)" >> $1.py

echo "migrate = Migrate(app, db)" >> $1.py
echo "manager = Manager(app)" >> $1.py
echo "manager.add_command('db', MigrateCommand)" >> $1.py

echo "import $1.view" >> $1.py

echo "if __name__=='__main__':" >> $1.py
echo "    manager.run()" >> $1.py

#Creating the models file
echo "from flask_sqlalchemy import SQLAlchemy" >> models.py
echo "from flask_login import UserMixin" >> models.py
echo "db=SQLAlchemy()" >> models.py

echo "class User(UserMixin, db.Model):" >> models.py
echo "    id = db.Column(db.Integer, primary_key=True, autoincrement=True)" >> models.py
echo "    username = db.Column(db.String(255), unique=True)" >> models.py
echo "    password = db.Column(db.String(255))" >> models.py

echo "    def __init__(self, username, password):" >> models.py
echo "        self.username = username" >> models.py
echo "        self.password = password" >> models.py

#Creating the views file
echo "from $1.$1 import app" >> views.py
echo "from $1.models import db, User" >> views.py

echo " " >> views.py
echo "@app.route('/')" >> views.py
echo "def index():" >> views.py
echo "    return('Hello World')" >> views.py

echo " " >> views.py
echo "@app.route('/add_user')" >> views.py
echo "def add_user():" >> views.py
echo "    new_user = User(username='foo', password='bar')" >> views.py
echo "    db.session.add(new_user)" >> views.py
echo "    db.session.commit()" >> views.py
echo "    return 'Added user'" >> views.py

#Now that everything should have been set up. Need to install everything.
cd ..
pip install -e .

#Telling the user what to do next
echo "All the files have been created. You will now need to do the following:"
echo "run 'flask db init'"
echo "run 'flask db migrate'"
echo "run 'flask db upgrade'"

echo "Once you have set up the database. You need to run this bad boy, which you do like this: "
echo "export FLASK_APP=$1"
echo "export FLASK_DEBUG=true"
echo "flask run"