import json
import flask
import os
import yum.account as acc
import yum.CONSTANTS as CONST

from yum import Parser, food, state
from yum.Guest import Guest
from .cli import cli
from click._unicodefun import click
from flask import request

class YumWeb(flask.Flask):
    """admin_username = None
    admin_password = None
    admin_hashtag = None
    admin_config = None
    food_list = []
    recipe_file = 'recipe.cfg'
    friends_file = 'friends.cfg'
    save_file = 'savegame.cfg'"""

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)

def create_app():
    """
    Create the web application
    :return: The web application
    """
    print("creating app...")
    app = YumWeb(__name__)
    reload(app)
    return app

def reload(app):
    config = setConfigFile()
    app.admin_username = Parser.getUsername(None, config)
    app.admin_password = Parser.getPassword(None, config)
    app.admin_hashtag = Parser.get(config, 'instagram', 'hashtag')
    app.admin_config = config
    app.recipe_file = CONST.RECIPE_FILE
    app.friends_file = CONST.FRIENDS_FILE
    app.save_file = CONST.SAVE_FILE
    app.food_list = acc.getAllFood(app.admin_username, app.admin_password, app.admin_hashtag)
    app.profile = acc.getProfile()

def setConfigFile():
    if "YUM_CONFIG" in os.environ:
        return os.environ['YUM_CONFIG']
    else:
        return 'config.cfg'

app = create_app()
@app.route('/', methods=['GET', 'POST'])
def index():
    method = request.method
    if method == 'GET':
        return processGet()

@app.route('/login', methods=['POST'])
def processGuestLogin():
    method = request.method
    if method == 'POST':
        username = request.form['username']
        password = request.form['password']
        foods = request.form.getlist("food")

        if(username != None and
           password != None and
           len(foods) != 0):
            # login and like
            yumFood(username, password, foods)

            # update food in friends list to yes
            for id in foods:
                if Parser.has_field(app.friends_file, username.lower(), id):
                    Parser.updateSection(app.friends_file, username.lower(), id, 'yes')

        return flask.redirect('/',302)

@app.route('/addfriend', methods=['POST'])
def addRemoteFriend():
    method = request.method
    if(method == "POST"):
        j = json.loads(request.json)
        username = j['username']
        postID = j['post']
        Parser.updateSection(app.friends_file, username, postID, 'no')
    return "200"

@app.route('/gain', methods=['POST'])
def gain():
    method = request.method
    fields = [ 'level' , 'xp', 'likes' ]
    values = []
    if(method == "POST"):
        j = json.loads(request.json)
        for f in fields:
            values.append(j[f])
        Parser.updateSave(app.save_file, 'save', fields, values)
    return "200"

@app.route('/saverecipe', methods=['POST'])
def saveRecipe():
    method = request.method
    if(method == "POST"):
        j = json.loads(request.json)
        fields = ['name','url', 'ingredients','picture']
        values = []
        for f in fields:
            values.append(j[f])
        Parser.updateSave(app.recipe_file, 'recipe', fields, values)

    return "200"

@cli.command()
@click.pass_context
@click.option('--host', '-h', default="127.0.0.1")
@click.option('--port', '-p', default=5000)
@click.option('--debug', '-d', is_flag=True)
def run_server(ctx, host, port, debug):
    """print("run server")
    config = ctx.obj['config']
    username = Parser.getUsername(ctx.obj['username'], config)
    password = Parser.getPassword(ctx.obj['password'], config)
    hashtag = Parser.get(config, 'instagram', 'hashtag')

    app.admin_username = username
    app.admin_password = password
    app.admin_config = config
    app.admin_hashtag = hashtag
    app.food_list = acc.getAllFood(app.admin_username, app.admin_password, app.admin_hashtag)
    app.profile = acc.getProfile()
    app.recipe_file = ctx.obj['recipe_file']
    app.friends_file = ctx.obj['friends_file']
    app.save_file = ctx.obj['save_file']"""

    #reload(app)
    app.run(host,port,debug)


def processGet():
    posts = []
    for food in app.food_list:
        posts.append(food.split(' '))

    lastFood = loadLastRecipe()
    user = state.State(0,False)
    ingredients = lastFood.ingredients
    return flask.render_template('index.html',
                                 posts=posts,
                                 profile = app.profile,
                                 last=lastFood,
                                 user=user,
                                 ingredients=ingredients)

def loadLastRecipe():
    lastFood = food.Food(None)
    lastFood = lastFood.load(app.recipe_file)
    return lastFood

def yumFood(username, password, foodList):
    guest = Guest(username, password)
    result = guest.login()
    if result != None:
        for food in foodList:
            guest.yum(food)
        guest.logout()