from flask import Flask, jsonify, request
from flask_cors import cross_origin

app = Flask(__name__)


@app.route('/')
def hello_world():  # put application's code here
    return 'Hello World!'

@app.route('/patchnotes', methods=['POST'])
def post_patchnotes():
    patch_note = request.get_json()
    patch_notes_db.append(patch_note)
    return jsonify(patch_notes_db), 200

@app.route('/patchnotes/<string:patchID>', methods=['DELETE'])
def delete_patchnote(patchID):
    global patch_notes_db
    patch_notes_db = [note for note in patch_notes_db if note['patchID'] != patchID]
    if any(note['patchID'] == patchID for note in patch_notes_db):
        return jsonify({'error': 'Patch not deleted'}), 500
    else:
        return jsonify({'message': 'patch successfully deleted'}), 200

@app.route('/patchnotes/<string:date>', methods=['GET'])
def get_patchnotes(date):
    unseen_notes = [note for note in patch_notes_db if note['date'] == date]
    if unseen_notes:
        return jsonify(unseen_notes), 200
    else:
        return jsonify({'error': 'no Patch notes found'}), 404

if __name__ == '__main__':
    app.run()