import csv, random

from bottle import route, run, response

"""

Read questions from .csv file and keep in memory
"""

file_name = "Fragen.csv"
with open(file_name, newline='') as csvfile:
    q_reader = csv.reader(csvfile)
    lines = list(q_reader)
    header, questions = lines[0], lines[1:]

print(header)
print(questions)


@route('/question')
def question():
    """json/dict: Return random question.

    dict return value is automatically converted to JSON.
    """

    response.set_header('Access-Control-Allow-Origin', '*')
    response.set_header('Access-Control-Allow-Methods', 'GET,POST')
    response.set_header('Access-Control-Allow-Headers', 'Access-Control-Allow-Origin,Content-Type'

    num_q = len(questions)
    rand_id = random.randint(1, num_q)
    # id vs. index
    question = questions[rand_id-1]
    q_with_headers = {}
    for k, v in zip(header, question):
        q_with_headers[k] = v

    return q_with_headers


@route('/question/<id:int>')
def question(id):
    response.set_header('Access-Control-Allow-Origin', '*')
    response.set_header('Access-Control-Allow-Methods', 'GET,POST')
    response.set_header('Access-Control-Allow-Headers', 'Access-Control-Allow-Origin,Content-Type'

    question = questions[id-1]
    q_with_headers = {}
    for k, v in zip(header, question):
        q_with_headers[k] = v

    return q_with_headers


if __name__ == '__main__':
    run(host='localhost', port=8090, reloader=True, debug=True)