/* global Venue */
'use strict';

const _ = require('lodash');
const { generateService, parseParamsToFindOptions } = require('../../helpers/service.helper');
const Sequelize = require('sequelize');
const models = require('../../core/models');
const cdnHelper = require('../../helpers/cdn.helper');


const multimediaComposer = (multimedias) => multimedias.map(multimedia => ({
    ...multimedia,
    ...multimedia.MultimediaFile,
    type: multimedia.type,
    media_type: multimedia.MultimediaFile.type,
    MultimediaFile: undefined,
    createdAt: undefined,
    updatedAt: undefined,
    userId: undefined,
    url: (multimedia.MultimediaFile.provider === 'cdn') ? cdnHelper.getCDNMediaUrl(multimedia.MultimediaFile.url) : multimedia.MultimediaFile.url,
}));

const valuesComposer = (values) => values.map(value => ({
    id: value.id,
    name: value.name,
}));

 const commentsComposer = (comments) => comments.map(comment => ({
     ...comment,
     userId: undefined,
     user: {
         ...comment.user,
         profile_picture: cdnHelper.getCDNMediaUrl(comment.user.profile_picture)

     }
 }))


const socialNetworksComposer = (speaker, context) => {
    return { 
        rrss: {
            twitter: speaker.twitter ? speaker.twitter : null,
            facebook: speaker.facebook ? speaker.facebook : null,
            youtube: speaker.youtube ? speaker.youtube : null,
            linkedin: speaker.linkedin ? speaker.linkedin : null,
            instagram: speaker.instagram ? speaker.instagram : null,
            web: speaker.web ? speaker.web : null
        },
        twitter: undefined,
        facebook: undefined,
        youtube: undefined,
        linkedin: undefined,
        instagram: undefined,
        web: undefined
    };
};

const speakerComposer = (speaker, context) => {
    let multimedias = [];
    if (context.scopes.includes('includeMultimedias')) {
        multimedias = multimediaComposer(speaker.multimedias);
    };

    let comments = [];
    if (context.scopes.includes('includeComments')) {
        comments = commentsComposer(speaker.comments);
    };

    speaker.typename = speaker.type.name;   
    delete speaker.type;

    speaker.values = valuesComposer(speaker.values);

    const rrss = socialNetworksComposer(speaker, context);

    return Object.assign({},
        speaker,
        rrss,
        { multimedias: multimedias },
        { comments: comments },
    )
};

const extraMethods = {
    afterFetchAll: (result, params, context) => {

        if (!result.count) {
            return result;
        }

        let rows = result.rows.map(row => row.toJSON());
        rows = rows.map(speaker => speakerComposer(speaker, context));

        return {
            count: rows.length,
            rows: rows
        }
    },

    afterFetchOne: (result, params, context) => {
        return speakerComposer(result.toJSON(), context);
    },

}

module.exports = generateService(models.Speaker, extraMethods);