import pickle
from datetime import datetime

import humanize
from flask import Flask, render_template, request, redirect, url_for
from os.path import exists

app = Flask(__name__)


class Person:
    statusses = [
        "Pannenkoek besteld",
        "Pannenkoek aan het bakken",
        "Pannenkoek klaar",
        "Pannenkoek afgegeven",
    ]

    def __init__(self, name, remark="", order_time=None):
        self.name = name
        self.remark = remark.strip()
        self.status = 0
        self.order_time = order_time

    def get_remark(self):
        return "({})".format(self.remark) if self.remark else self.remark

    def get_name(self):
        return self.name

    def __eq__(self, other):
        return self.name.lower() == other.name.lower()

    def get_status(self):
        return self.statusses[self.status]

    def next_status(self):
        return self.statusses[self.status + 1]

    def order_time_humanized(self):
        return humanize.naturaltime(self.order_time)

    def __str__(self):
        return "Persoon: {} met status: {}".format(self.name, self.status)

    def __repr__(self):
        return str(self)


people_filename = "people.pickle"
people = []

if exists(people_filename):
    people_file = open(people_filename, "rb")
    people = pickle.load(people_file)
    people_file.close()


def save_people():
    people_file = open(people_filename, "wb")
    pickle.dump(people, people_file)
    people_file.close()


@app.route("/")
def home():
    return render_template("home.html", people=people)


@app.route("/status_update", methods=["POST", "GET"])
def status_update():
    if people and request.method == "POST":
        result = request.form
        if "index" in result:
            index = int(request.form["index"])
            people[index].status += 1
            if people[index].status == 3:
                people.remove(people[index])
        if "name" in result:
            index = people.index(Person(request.form["name"]))
            print(index)
            people[index].status += 1
            if people[index].status == 3:
                people.remove(people[index])
        save_people()
    return redirect("/")


@app.route("/add_person", methods=["POST", "GET"])
def add_person():
    if request.method == "POST":
        result = request.form
        if result["name"]:
            new_person = Person(
                result["name"], result["remark"], order_time=datetime.now()
            )
            if new_person not in people:
                people.append(new_person)
        save_people()
    return redirect("/")


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