import UserDB from "../models/users.model.js"
import { Op } from "sequelize"
import moment from "moment"
import fs from "fs"
import sendNotif from "./firebase/firebase_admin.js";

export async function getProfilePicture(filename, name = "SH") {
    if (filename === "" || filename === undefined || filename === null) {
        filename =
            "https://ui-avatars.com/api/?name=" +
            name +
            "&rounded=true&background=c39a56&color=fff";
    } else {
        filename = filename;
    }
    filename = filename.replace(/\\/g, "/");
    return filename;
}

export async function generateRandomString(length, isNumber = false) {
    var result = "";
    if (isNumber) {
        var characters = "0123456789";
    } else {
        var characters =
            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
    }
    var charactersLength = characters.length;
    for (var i = 0; i < length; i++) {
        result += characters.charAt(Math.floor(Math.random() * charactersLength));
    }
    return result;
}

export async function writeErrorLog(req, error) {
    const requestURL = req.protocol + "://" + req.get('host') + req.originalUrl;
    const requestBody = JSON.stringify(req.body);
    const date = moment().format('MMMM Do YYYY, h:mm:ss a');
    fs.appendFileSync('errorLog.log', "REQUEST DATE : " + date + "\n" + "API URL : " + requestURL + "\n" + "API PARAMETER : " + requestBody + "\n" + "Error : " + error + "\n\n");
}

export async function sendPushNotification(user_id, title, body, notification_type, otherData) {
    try {
        let userData = await UserDB.findOne({
            where: {
                id: parseInt(user_id),
                device_type: {
                    [Op.in]: [1, 2]
                },
                notification_status: 1
            },
            attributes: [
                'fcm_token', 'device_type'
            ]
        });
        if (userData && userData.fcm_token) {
            const message = {
                token: userData.fcm_token,
                notification: {
                    title: title,
                    body: body,
                },
                android: {
                    notification: {
                        sound: "default",
                    },
                    data: {
                        title: title,
                        message: body,
                        notification_type: notification_type.toString(),
                        cafe_id: (notification_type == 2) ? (otherData.cafe_id).toString() : '',
                        group_id: (notification_type == 2) ? (otherData.group_id).toString() : '',
                        request_endtime: (notification_type == 2) ? (otherData.request_endtime).toString() : '',
                    },
                },

            };
            sendNotif(message);
        }
    } catch (error) {
        console.log(error)
    }
}

export function haversine(latitude, longitude) {
    return `(
    3959 * acos(
        cos(radians(${latitude}))
        * cos(radians(latitude))
        * cos(radians(longitude) - radians(${longitude}))
        + sin(radians(${latitude})) * sin(radians(latitude))
    )
  )`;
}