import axiosInstance from '../../src/axiosSecure';
import { useEffect, useState } from "react";
import { toast } from "react-hot-toast";
import { useRouter } from "next/router";
import Link from "next/link";
import { useSession } from "next-auth/react"
import { MessageType, Message, Survey } from "@prisma/client";
// import { content } from 'googleapis/build/src/apis/content';
import { DatePicker } from '@mui/x-date-pickers/DatePicker';
// import { AdapterDateFns } from '@mui/x-date-pickers/AdapterDateFnsV3';
// import { AdapterDayjs } from '@mui/x-date-pickers/AdapterDayjs'
import dayjs from 'dayjs';

const common = require('src/helpers/common');


// ------------------  ------------------
// This component is used to create and edit
/* location model:

model Survey {
  id          Int       @id @default(autoincrement())
  content     String
  answers     Json?
  messages    Message[]
  publicFrom  DateTime?
  publicUntil DateTime?
}

model Message {
  id          Int         @id @default(autoincrement())
  publisher   Publisher   @relation(fields: [publisherId], references: [id])
  publisherId String
  date        DateTime
  content     String
  isRead      Boolean     @default(false)
  isPublic    Boolean     @default(false)
  type        MessageType @default(Email)
  publicUntil DateTime?
  shownDate   DateTime?
  answer      String?
  answerDate  DateTime?

  Survey   Survey? @relation(fields: [surveyId], references: [id])
  surveyId Int?
}
*/

export default function SurveyForm({ existingItem }) {

    const router = useRouter();
    const [editMode, setEditMode] = useState(existingItem ? true : false);
    const [item, setItem] = useState(existingItem || {
        content: "Нова анкета",
        answers: [],
        publicFrom: new Date().toISOString(),
        publicUntil: new Date().toISOString(),
    });

    useState(() => setEditMode(existingItem ? true : false), [existingItem]);


    const handleChange = ({ target }) => {
        setItem({ ...item, [target.name]: target.value });
    };

    const handleDateChange = (fieldName, newDate) => {
        setItem((prevItem) => ({
            ...prevItem,
            [fieldName]: newDate
        }));
    };

    const handleSubmit = async (e) => {
        e.preventDefault();
        try {
            //get all publisherIds and create a message for each
            const pubs = await axiosInstance.get("/api/data/publishers");
            const messages = pubs.data.map(pub => {
                return {
                    publisherId: pub.id,
                    content: JSON.stringify({ message: item.content, options: item.answers }),
                    date: new Date(),
                    isPublic: false,
                    type: MessageType.InApp,
                    publicUntil: item.publicUntil,
                }
            });
            item.messages = { create: messages };
            const { data } = await axiosInstance.post("/api/data/surveys", item);
            toast.success("Анкетата е създадена успешно");
            router.push("/cart/surveys");
        } catch (error) {
            toast.error("Възникна грешка при създаването на анкетата");
            console.error("Error creating survey:", error);
        }
    }

    const handleDelete = async (e) => {
        e.preventDefault();
        if (!editMode) return;
        try {
            await axiosInstance.delete(`/api/data/surveys/${existingItem.id}`);

            toast.success("Записът изтрит", {
                position: "bottom-center",
            });

        } catch (error) {
            //alert("Нещо се обърка при изтриването. Моля, опитайте отново или се свържете с нас");
            console.log(JSON.stringify(error));
            toast.error(error.response?.data?.message || "Нещо се обърка при изтриването. Моля, опитай отново и се свържете с нас ако проблема продължи.");
        }
    };
    return (
        <div className="w-full max-w-md mx-auto" >
            < form className="bg-white dark:bg-gray-800 shadow-md rounded px-8 pt-6 pb-8 mb-4" onSubmit={handleSubmit} >

                <h1 className="text-2xl font-bold mb-8">Анкета {existingItem?.id}</h1>
                <div className="mb-4">
                    <label className="block text-gray-700 text-sm font-bold mb-2" htmlFor="date">
                        Видима от
                    </label>
                    <DatePicker className="textbox form-input px-4 py-2 rounded" id="date" name="date" type="date" onChange={(newDate) => handleDateChange('publicFrom', newDate)} value={dayjs(item.publicFrom)} />
                </div>
                <div className="mb-4">
                    <label className="block text-gray-700 text-sm font-bold mb-2" htmlFor="date">
                        Видима до
                    </label>
                    <DatePicker className="textbox form-input px-4 py-2 rounded" id="date" name="date" type="date" onChange={(newDate) => handleDateChange('publicUntil', newDate)} value={dayjs(item.publicUntil)} />
                </div>
                <div className="mb-4">
                    <label className="block text-gray-700 text-sm font-bold mb-2" htmlFor="content">
                        Съдържание
                    </label>
                    <textarea className="textbox form-input px-4 py-2 rounded" id="content" name="content" onChange={handleChange} value={item.content} autoComplete="off" />
                </div>
                <div className="mb-4">
                    <label className="block text-gray-700 text-sm font-bold mb-2" htmlFor="answers">
                        Отговори
                    </label>
                    <input className="textbox form-input px-4 py-2 rounded" id="answers" name="answers" type="text" onChange={handleChange} value={item.answers} autoComplete="off" />
                </div>
                {/* show count of each answer and the total answered/unanswered messages */}
                {/* {item.answers.map((answer) => (
                    <div className="mb-4">
                        <label className="block text-gray-700 text-sm font-bold mb-2" htmlFor="answers">
                            {answer}
                        </label>
                        {item.messages.filter((message) => message.answer === answer).length}

                    </div>
                ))} */}

                <div className="flex items-center justify-between">
                    {editMode && (
                        <><button className="button btn-outline bg-red-500 hover:bg-red-700 focus:outline-none focus:shadow-outline" type="button" onClick={handleDelete}>
                            Изтрий
                        </button></>
                    )}
                    <button className="btn bg-blue-500 hover:bg-blue-600 text-white font-semibold py-2 px-4 rounded transition duration-300" type="submit">
                        Запази
                    </button>

                </div>
            </form >
        </div >
    );
}