# @name: create.py
# @version: 0.1
# @creation_date: 2021-10-25
# @license: The MIT License <https://opensource.org/licenses/MIT>
# @author: Simon Bowie <ad7588@coventry.ac.uk>
# @purpose: create route for creating tools, examples, and practices
# @acknowledgements:
# https://www.digitalocean.com/community/tutorials/how-to-make-a-web-application-using-flask-in-python-3

from flask import Blueprint, render_template, request, flash, redirect, url_for
from flask_login import login_required, current_user
from .models import Tool
from .models import Practice
from .models import Sensitivity
from .models import Typology
from .models import Workflow
from .models import Publisher
from .models import Book
from .models import Reference
from werkzeug.exceptions import abort
from . import db

create = Blueprint('create', __name__)

# route for creating a new resource
@create.route('/create', methods=('GET', 'POST'))
@login_required
def create_resource():
    if request.method == 'POST':
        if request.form.get('resource_type') == 'tool':
            name = request.form.get('tool_name')
            description = request.form.get('description')
            projectUrl = request.form.get('projectUrl')
            repositoryUrl = request.form.get('repositoryUrl')
            expertiseToUse = request.form.get('expertiseToUse')
            expertiseToHost = request.form.get('expertiseToHost')
            dependencies = request.form.get('dependencies')
            ingestFormats = request.form.get('ingestFormats')
            outputFormats = request.form.get('outputFormats')
            status = request.form.get('status')
            practice_id = request.form.get('linked_practice_id')

            if not name:
                flash('Name is required!')
            else:
                tool = Tool.query.filter_by(name=name).first() # if this returns a tool, then the name already exists in database

                if tool: # if a tool is found, we want to redirect back to create page
                    flash('Tool with same name already exists')
                    return redirect(url_for('create.create_resource'))

                # create a new tool with the form data
                new_tool = Tool(name=name, description=description, projectUrl=projectUrl, repositoryUrl=repositoryUrl, expertiseToUse=expertiseToUse, expertiseToHost=expertiseToHost, dependencies=dependencies, ingestFormats=ingestFormats, outputFormats=outputFormats, status=status, practice_id=practice_id)

                # add the new tool to the database
                db.session.add(new_tool)
                db.session.commit()

        elif request.form.get('resource_type') == 'practice':
            name = request.form.get('practice_name')
            description = request.form.get('description')

            if not name:
                flash('Name is required!')
            else:
                practice = Practice.query.filter_by(name=name).first() # if this returns a practice, then the name already exists in database

                if practice: # if a practice is found, we want to redirect back to create page
                    flash('Practice with same name already exists')
                    return redirect(url_for('create.create_resource'))

                # create a new practice with the form data
                new_practice = Practice(name=name, description=description)

                # add the new practice to the database
                db.session.add(new_practice)
                db.session.commit()

        elif request.form.get('resource_type') == 'sensitivity':
            name = request.form.get('sensitivity_name')
            description = request.form.get('description')

            if not name:
                flash('Name is required!')
            else:
                sensitivity = Sensitivity.query.filter_by(name=name).first() # if this returns a sensitivity, then the name already exists in database

                if sensitivity: # if a sensitivity is found, we want to redirect back to create page
                    flash('Sensitivity with same name already exists')
                    return redirect(url_for('create.create_resource'))

                # create a new sensitivity with the form data
                new_sensitivity = Sensitivity(name=name, description=description)

                # add the new sensitivity to the database
                db.session.add(new_sensitivity)
                db.session.commit()

        elif request.form.get('resource_type') == 'typology':
            name = request.form.get('typology_name')
            description = request.form.get('description')

            if not name:
                flash('Name is required!')
            else:
                typology = Typology.query.filter_by(name=name).first() # if this returns a typology, then the name already exists in database

                if typology: # if a typology is found, we want to redirect back to create page
                    flash('Typology with same name already exists')
                    return redirect(url_for('create.create_resource'))

                # create a new typology with the form data
                new_typology = Typology(name=name, description=description)

                # add the new typology to the database
                db.session.add(new_typology)
                db.session.commit()

        elif request.form.get('resource_type') == 'publisher':
            name = request.form.get('publisher_name')
            description = request.form.get('description')
            publisherUrl = request.form.get('publisherUrl')

            if not name:
                flash('Name is required!')
            else:
                publisher = Publisher.query.filter_by(name=name).first() # if this returns a publisher, then the name already exists in database

                if publisher: # if a publisher is found, we want to redirect back to create page
                    flash('Publisher with same name already exists')
                    return redirect(url_for('create.create_resource'))

                # create a new publisher with the form data
                new_publisher = Publisher(name=name, description=description, publisherUrl=publisherUrl)

                # add the new publisher to the database
                db.session.add(new_publisher)
                db.session.commit()

        elif request.form.get('resource_type') == 'book':
            name = request.form.get('book_name')
            description = request.form.get('description')

            if not name:
                flash('Name is required!')
            else:
                book = Book.query.filter_by(name=name).first() # if this returns a book, then the name already exists in database

                if book: # if a book is found, we want to redirect back to create page
                    flash('Book with same name already exists')
                    return redirect(url_for('create.create_resource'))

                # create a new book with the form data
                new_book = Book(name=name, description=description)

                # add the new book to the database
                db.session.add(new_book)
                db.session.commit()

        elif request.form.get('resource_type') == 'reference':
            zoteroUrl = request.form.get('zoteroUrl')

            if not zoteroUrl:
                flash('Zotero URL is required!')
            else:
                reference = Reference.query.filter_by(zoteroUrl=zoteroUrl).first() # if this returns a reference, then the name already exists in database

                if reference: # if a reference is found, we want to redirect back to create page
                    flash('Reference with same URL already exists')
                    return redirect(url_for('create.create_resource'))

                # create a new reference with the form data
                new_reference = Reference(zoteroUrl=zoteroUrl)

                # add the new reference to the database
                db.session.add(new_reference)
                db.session.commit()

    practice_dropdown = Practice.query
    return render_template('create.html', practice_dropdown=practice_dropdown)