'use strict';

const { getMappingsFromDatabase, fetchOffices, fetchResources, saveNewMappingToDatabase } = require('../services/officeRnD/resources');
const { getAllIncidents, getMemberPracticeSummaryReport } = require('../services/integration/reports');
const { getMembersFeesForDateRange } = require('../services/integration/invoiceIntegration');
const { deleteFeesFromORD, addFeesToORD } = require('../services/officeRnD/fees');
const { checkBookingChanges } = require('../services/integration/checkBookingChange');
const { checkIfProcessing } = require('../services/integration/processingStatus');

const getKnownOfficeResourceMappings = (req, res) => {
    const dataToFetch = [getMappingsFromDatabase(), fetchOffices(), fetchResources() ];

    Promise.all(dataToFetch)
        .then(result => {
            res.send({
                existingMappings: result[0],
                offices: result[1],
                resources: result[2],
            });
        })
        .catch(error => {
            res.status(500).send();
        });
};

const addNewMapping = (req, res) => {
    const newMapping = req.body && req.body.mapping ? req.body.mapping : null;
    if (newMapping && newMapping.officeSlug && newMapping.resourceSlug && newMapping.officeId && newMapping.resourceId){
        saveNewMappingToDatabase(newMapping)
            .then(() => {
                res.send(newMapping);
            })
            .catch(error => {
                res.status(500).send(error);
            });
    }
};

const getAllIncidentsController = (req, res) => {
    const dateRange = {
        startDate: req.params.startDate,
        endDate: req.params.endDate,
    };

    getAllIncidents(dateRange, [])
        .then((incidents) => {
            res.send(incidents);
        })
        .catch((error) => {
            console.log(error);
            res.send([]);
        });
};

const getMemberIncidents = (req, res) => {
    const memberId = req.params.memberId;
    const dateRange = {
        startDate: req.params.startDate,
        endDate: req.params.endDate,
    };

    getAllIncidents(dateRange, [memberId])
        .then((incidents) => {
            res.send(incidents);
        })
        .catch((error) => {
            console.log(error);
            res.send([]);
        });
};

const addFees = (req, res) => {
    const memberIds = req.body && req.body.memberIds ? req.body.memberIds : [];
    const dateRange = req.body && req.body.dateRange ? req.body.dateRange : {startDate: null, endDate: null};
    const { startDate, endDate } = dateRange;

    if (startDate && endDate && Array.isArray(memberIds)){
        checkBookingChanges()
            .then(() => {
                deleteFeesFromORD(dateRange, memberIds)
                    .then(() => {
                        // TODO: Change this to parallel execution
                        getMembersFeesForDateRange(dateRange, memberIds)
                            .then((allFees) => {
                                addFeesToORD(allFees)
                                    .then((numberOfInsertedFees) => {
                                        res.send({
                                            status: 'ok',
                                            numberOfInsertedFees
                                        });
                                    })
                                    .catch((error) => {
                                        console.log('Error adding fees');
                                        res.status(500).send(error);
                                    })
                            })
                            .catch((error) => {
                                console.log(error);
                                res.status(500).send(error);
                            })
                    })
                    .catch((error) => {
                        res.status(500).send(error);
                    });
            })
            .catch((error) => {
                console.log('Error with updating booking reservations');
                res.status(500).send(error);
            })
    }else{
        res.status(400).send('Date range is missing');
    }
};

const checkProcessingStatus = (req, res) => {
    checkIfProcessing()
        .then((processing) => {
            res.send({
                processing
            })
        })
        .catch((error) => {
            console.log('Error checking if processing ');
            console.log(error);
            res.status(500).send(error);
        });
};

const getPracticeSummaryReport = (req, res) => {
    getMemberPracticeSummaryReport()
        .then((result) => {
            const pathToDownloadFile = `${__dirname}/../${result.reportPath}`;
            res.download(pathToDownloadFile);
        })
        .catch((error) => {
            console.log('Error - Member Practice Summary Report');
            console.log(error);
            res.status(500).send(error);
        });
};

module.exports = {
    getKnownOfficeResourceMappings,
    addNewMapping,
    getAllIncidentsController,
    getMemberIncidents,
    addFees,
    checkProcessingStatus,
    getPracticeSummaryReport,
};