const axios = require('axios');
const models = require('vn-loopback/server/server').models;

module.exports = Self => {
    Self.remoteMethod('getVideoList', {
        description: 'Get video list of expedition id',
        accessType: 'READ',
        accepts: [
            {
                arg: 'id',
                type: 'number',
                required: true,
                description: 'Expedition id'
            }, {
                arg: 'from',
                type: 'number',
                required: false,
            }, {
                arg: 'to',
                type: 'number',
                required: false,
            }
        ], returns: {
            type: ['object'],
            root: true
        },
        http: {
            path: `/getVideoList`,
            verb: 'GET',
        },
    });

    Self.getVideoList = async(id, from, to, options) => {
        const myOptions = {};

        if (typeof options == 'object')
            Object.assign(myOptions, options);

        const packingSiteConfig = await models.PackingSiteConfig.findOne({}, myOptions);

        const query = `
            SELECT
                e.id,
                ps.monitorId,
                e.created
            FROM expedition e
                JOIN host h ON Convert(h.code USING utf8mb3) COLLATE utf8mb3_unicode_ci = e.hostFk
                JOIN packingSite ps ON  ps.hostFk = h.id
            WHERE e.id = ?;`;
        const [expedition] = await models.PackingSiteConfig.rawSql(query, [id]);

        if (!from && !expedition) return [];
        let start = new Date(expedition.created);
        let end = new Date(start.getTime() + (packingSiteConfig.avgBoxingTime * 1000));

        if (from && to) {
            start.setHours(from, 0, 0);
            end.setHours(to, 0, 0);
        }
        const offset = start.getTimezoneOffset();
        start = new Date(start.getTime() - (offset * 60 * 1000));
        end = new Date(end.getTime() - (offset * 60 * 1000));

        const videoUrl =
            `/${packingSiteConfig.shinobiToken}/videos/${packingSiteConfig.shinobiGroupKey}/${expedition.monitorId}`;
        const timeUrl = `?start=${start.toISOString().split('.')[0]}&end=${end.toISOString().split('.')[0]}`;
        const url = `${packingSiteConfig.shinobiUrl}${videoUrl}${timeUrl}`;

        let response;

        try {
            response = await axios.get(url);
        } catch (e) {
            return [];
        }
        return response.data.videos.map(video => video.filename);
    };
};