'use strict';

const moment = require('moment-timezone');

const { API } = require('../../helpers/api');
const { officeRnDAPIErrors, DEFAULT_DATE_FORMAT } = require('../../constants/constants');

const deleteFeesFromORD = (dateRange, memberIds) => {
    return new Promise((resolve, reject) => {
        const startDate = moment.utc(dateRange.startDate, DEFAULT_DATE_FORMAT).startOf('day');
        const endDate = moment.utc(dateRange.endDate, DEFAULT_DATE_FORMAT).endOf('day');

        API.get('fees')
            .then((response) => {
                const fetchedFees = response.data ? response.data : [];

                const memberIdsMap = {};
                memberIds.forEach((memberId) => {
                    memberIdsMap[memberId] = true;
                });

                const deleteRequests = [];
                const sendDeleteRequestPromise = (feeId) => {
                    return new Promise((resolve, reject) => {
                        API.delete(`fees/${feeId}`)
                            .then(() => resolve(true))
                            .catch(() => resolve(false));
                    });
                };

                fetchedFees.forEach((fee) => {
                    const { member, date } = fee;
                    const feeId = fee['_id'];

                    const isDateInDateRange = startDate.isSameOrBefore(date) && endDate.isSameOrAfter(date);
                    if (memberIdsMap[member] && isDateInDateRange) {
                        deleteRequests.push(sendDeleteRequestPromise(feeId));
                    }
                });

                Promise.all(deleteRequests)
                    .then(() => {
                        resolve(true);
                    })
                    .catch((error) => {
                        reject(error);
                    });
            })
            .catch((error) => {
                console.log(error);
                reject(officeRnDAPIErrors.FAILED_TO_FETCH_FEES);
            });
    });
};

const addFeesToORD = (allFees) => {
    return new Promise((resolve, reject) => {
        API.post('/fees', allFees)
            .catch((error) => {
                console.log('==== ERROR ====');
                console.log(error);
            });
        resolve(allFees.length);
    });
};

module.exports = {
    deleteFeesFromORD,
    addFeesToORD
};