import * as fs from "fs";
import utils from "../utils";
import parserConfig from "../config";
import fetch from 'node-fetch';

let utilsTools = new utils();

console.log('importation depuis le fichier local de l\' agenda du libre');
let filepath = './output/adl_json.json'
let filecontent;
let counterOfEventsToAdd = 0;
const addEventQuery = utilsTools.agendadulibre.addQuery;
const runCreationQuery = utilsTools.runCreationQuery;

async function runImportEvents() {


    console.log('File exists');
    // build list of existing events in mobilizon database

    await utilsTools.setupClientPostgresql();
    await utilsTools.client.connect();
    console.log('✅ OK connecté à postgresql');
    console.log(' ');
    const res = await utilsTools.client.query('SELECT * from events');
    console.log('💾 évènements enregistrés dans mobilizon : ', res.rows.length);
    res.rows.forEach((bdd_event: any) => {
        utilsTools.localMobilizonEventsByTitle.push(utilsTools.agendadulibre.uniqTitleBDD(bdd_event));
    })

    console.log('utilsTools.localMobilizonEventsByTitle', utilsTools.localMobilizonEventsByTitle);
    // get json file for ADL
    await fs.readFile(filepath, 'utf8', function (err, data) {
        if (err) {
            return console.log(err);
        }
        filecontent = JSON.parse(data)
        // console.log('events in the scrapped json', filecontent.length);
        let ii = 0;
        filecontent.forEach((event: any) => {
            ii++
            // compare events with existing events
            // let date = new Date(event.start_time);
            // console.log(ii,  date.toLocaleDateString('fr-fr', { weekday:"long", year:"numeric", month:"short", day:"numeric"}) , event.title );
            utilsTools.agendadulibre.doesEventExistsFromJsonScrap(event);

        })
        console.log('end  looking for events');

// import only new events
        console.log('nouveaux évènements à ajouter: ', utilsTools.agendadulibre.queryToAdd.length);
        let limiter = parserConfig.limit_persistence_of_new_events;
        let counter = 0;

        utilsTools.agendadulibre.queryToAdd.forEach((graphQLquery: any) => {
            if (limiter && counter <= parserConfig.max_new_events) {
                counter++;
                console.log(counter, ' * ', graphQLquery.variables.beginsOn, graphQLquery.variables.title);

                const body = {
                    operationName: "createEvent",
                    query: graphQLquery.query,
                    variables: graphQLquery.variables
                }

                if (parserConfig.enableFetch) {
                    let url: string = parserConfig.dev_mode ? parserConfig.dev_url : parserConfig.mobilizon_public_url;
                    let options: any = {
                        method: "post",
                        body: JSON.stringify(body),
                        headers: {
                            "Content-Type": "application/json",
                            "authorization": "Bearer " + parserConfig.bearer_token,
                        }
                    }
                    fetchEvent(url, options)
                } else {
                    console.log('---- le fetch est désactivé');
                }


            }
        })
// end running queries
    });

}

const fetchEvent = (theUrl, theOptions) => {
    fetch(theUrl, theOptions)
        .then((res: any) => {
            let status = res.status;
            console.log('status', status);
            if (status === 401) {
                console.error(' /!\\ ------------------ ERROR: Bearer token invalid ------------------')

            } else if (status === 200) {
                console.log('succès');

            }
            res.json()
        })
        .then((json: any) => console.log(json))
        .catch((err: any) => console.log(err))
}

// fs.stat(filepath, function (err, stat) {
//     if (err == null) {
runImportEvents();
console.log('fetch', fetch);
//     } else if (err.code === 'ENOENT') {
//         // file does not exist
//         console.log('Scrapped json file does not exist. Run a scraper like "ts-node scrapers/adl.ts" before using this importer: ', err.code);
//     } else {
//         console.log('Some other error: ', err.code);
//     }
// });