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import React from 'react'

import axios from 'baseAxios'
import { isMobile } from 'react-device-detect'
import VideoModal from 'components/Modals/VideoModal/VideoModal'

/**
 * 
 * @param {*} genres: the genres
 * @param {*} apiCallType: whether the subsequent API calls will be made for tv or movies 
 * 
 * Takes a genre object and does creates a big chain of API calls to get each genre's top trending videos
 * 
 * Fetches all genres and creates a trending movies API call for each. I push the response with 
 * a title and content to make it easier to label the video carousels later. This Promise.all 
 * function returns a large array, so I have to parse through the action.payload later 
 * in the slice reducer.  
 */

export const genreTopVideoTransformation = async (genres, apiCallType) => {
    let url
    if (apiCallType === 'tv') {
        url = `discover/tv?api_key=${process.env.REACT_APP_MOVIEDB_API_KEY}&language=en-US&sort_by=popularity.desc&page=1&include_null_first_air_dates=false&with_genres=`
    } else if (apiCallType === 'movie') {
        url = `discover/movie?api_key=${process.env.REACT_APP_MOVIEDB_API_KEY}&language=en-US&sort_by=popularity.desc&include_adult=false&include_video=false&page=1&with_genres=`
    }

    const genreRequestArray = []
    genres.forEach(genre => {
        let newUrlParser = url
        newUrlParser += genre.id.toString()
        genreRequestArray.push(axios.get(newUrlParser).then(response =>
            ({ title: genre.name, videos: response.data.results })))
    })

    try {
        return await Promise.all(genreRequestArray)
    } catch (error) {
        throw new Error(error)
    }
}

export const mediaTypeToVideoDetailTransformation = async (videoId, mediaType) => {
    let requestURL;
    if (mediaType === 'movie') {
        requestURL = `movie/${videoId}?api_key=${process.env.REACT_APP_MOVIEDB_API_KEY}&language=en-US`
    } else if (mediaType === 'tv') {
        requestURL = `tv/${videoId}?api_key=${process.env.REACT_APP_MOVIEDB_API_KEY}&language=en-US`
    }

    try {
        const response = await axios.get(requestURL)
        return response.data
    } catch (error) {
        throw new Error(error)
    }
}

export const buildVideoMetadata = (videoItem, selectedVideoInfo) => {
    let mediaType
    if (videoItem.media_type) {
        mediaType = videoItem.media_type
    } else {
        if (videoItem.first_air_date) {
            mediaType = 'tv'
        } else if (videoItem.release_date) {
            mediaType = 'movie'
        }
    }

    let extraInfo = {}
    if (!isMobile) {
        if (selectedVideoInfo && selectedVideoInfo.id === videoItem.id) {
            extraInfo['genres'] = selectedVideoInfo.genres
            if (selectedVideoInfo.runtime) {
                extraInfo['runtime'] = selectedVideoInfo.runtime
            } else if (selectedVideoInfo.seasons) {
                extraInfo['seasons'] = selectedVideoInfo.seasons
            }
        }
    }

    return { mediaType, extraInfo }
}

export const buildVideoModal = (videoDetailModal, videoInfo, handlers) => {
    let detailModalComponent
    if (videoDetailModal && videoInfo) {
        detailModalComponent = (
            <VideoModal
                videoDetailModal={videoDetailModal}
                videoInfo={videoInfo}
                {...handlers}
            />
        )
    }

    return detailModalComponent
}