import json
from os import path

from checker import check_auth
from flask import Blueprint, render_template, request, url_for

from .requests_model import (materials_names, materials_per_seller,
                             sellers_names, sklad)

with open(path.join(path.dirname(__file__), "zapros_menu.json"), encoding="utf-8") as f:
    requests_list = json.load(f)

requests_bp = Blueprint("requests_bp", __name__, template_folder="templates")


@requests_bp.route("/", methods=["GET", "POST"])
@check_auth
def requests():
    if request.method == "GET":
        return render_template("zapros_menu.html", options=requests_list)


@requests_bp.route("/sklad", methods=["GET", "POST"])
@check_auth
def sklad_zapros():
    if request.method == "GET":
        materials = materials_names()
        return render_template("zagotovki.html", materials=materials)
    else:
        zagotovki = sklad(request)
        if zagotovki.status:
            header = "Поставки выбранной заготовки"
            return render_template("output.html", items=zagotovki.result, header=header)
        else:
            return render_template("error.html", error_message=zagotovki.error_message)


@requests_bp.route("/shipments", methods=["GET", "POST"])
@check_auth
def sellers_ship():
    if request.method == "GET":
        sellers = sellers_names()
        return render_template("sellers_ship.html", sellers=sellers)
    else:
        zagotovki = materials_per_seller(request)
        if zagotovki.status:
            seller = dict(request.form)
            header = f'Поставки от поставщика "{seller["seller"]}"'
            return render_template(
                "output.html",
                items=zagotovki.result,
                header=header,
                link=url_for("requests_bp.requests"),
            )
        else:
            return render_template("error.html", error_message=zagotovki.error_message)