let root = document.documentElement // Used for css variables

let selectedSports = []

$(".sport").on("click", function() {
    $(this).toggleClass("selected")

    let sportName = $(this).children()[1].innerHTML // 2nd element, which is the sport name

    
    let index = selectedSports.indexOf(sportName)
    if (index > -1 ) {  // If element is found in array
        selectedSports.splice(index, 1) // Remove sport at index
    } else {
        selectedSports.push(sportName)  // Add sport to array
    }

    $(this).trigger("selected", [selectedSports.includes(sportName), selectedSports]) // Trigger event
    showFeeds()
})

function getCSSVariable(name) {
    return getComputedStyle(root).getPropertyValue(name)
}

function showFeeds() {
    if ($(window).width() < 1280) {
        if (selectedSports.length === 0) {
            $(".leftcol").show()
            $(".centercol").hide()
        } else {
            $(".leftcol").hide()
            $(".centercol").show()
        }
    } else {
        $(".leftcol").show()
        $(".centercol").show()
    }
}

$(window).on("resize", function(){
    showFeeds()
});

$(window).on("load", function() {
    showFeeds()
})

function tweetCell(tweet) {
    var cell = document.createElement("div");
    cell.innerHTML =
    `<div class="tweet">
        <a href ="https://www.twitter.com/${tweet.user.screen_name}"><img src="${tweet.user.profile_image_url}" onerror="this.src='media/logo.png'" class="tweet-profilepicture"></a>
        <div class="tweet-content"> 
            <div class="tweet-name">
                <a class="tweet-nickname" href = "https://www.twitter.com/${tweet.user.screen_name}" target = "_blank">${tweet.user.name}</a>
                <a class="tweet-username" href = "https://www.twitter.com/${tweet.user.screen_name}" target = "_blank">@${tweet.user.screen_name}</a>
            </div>
            <span class="tweet-text">${tweet.text}</span>
            <div class="tweet-interactions">
                <div class="tweet-interaction tweet-likes">
                    <span class="material-symbols-outlined">favorite</span>
                    <span>${tweet.favorite_count}</span>
                </div>
                <div class="tweet-interaction tweet-retweets">
                    <span class="material-symbols-outlined">repeat</span>
                    <span>${tweet.retweet_count}</span>
                </div>
                <div class="tweet-interaction tweet-replies">
                    <span class="material-symbols-outlined">chat_bubble</span>
                    <span>${tweet.reply_count}</span>
                </div>
            </div>
        </div>
    </div>`
    return cell
}

function filterTweets(tweets, bannedWords=[], searchWords=[], likesTop=null, likesBottom=null, retweetsTop=null, retweetsBottom=null, repliesTop=null, repliesBottom=null) {
    if(bannedWords.length > 0){
        tweets = filterBannedWords(bannedWords, tweets)
    }
    if(searchWords.length > 0){
        tweets = searchForWords(searchWords, tweets)
    }
    if(likesTop != null || likesBottom != null){
        tweets = filterLikes(likesTop, likesBottom, tweets)
    }
    if(retweetsTop != null || retweetsBottom != null){
        tweets = filterRetweets(retweetsTop, retweetsBottom, tweets)
    }
    if(repliesTop != null || repliesBottom != null){
        tweets = filterReplies(repliesTop, repliesBottom, tweets)
    }
    return tweets
}

function filterBannedWords(bannedWords, tweets){
    for (let i = 0; i < tweets.length; i++) {
        var tweet = tweets[i]
        for(let j=0; j < bannedWords.length; j++){
            if (tweet.text.toLowerCase().includes(bannedWords[j].toLowerCase())){
                tweets.splice(i, 1)
                break
            }
        }
    }
    return tweets
}

function searchForWords(searchWords, tweets){
    for (let i = 0; i < tweets.length; i++) {
        var tweet = tweets[i]
        for(let i=0; i < searchWords.length; i++){
            if (!tweet.text.toLowerCase().includes(searchWords[i].toLowerCase())) {
                tweets.splice(i, 1)
                break
            }
        }
    }
    return tweets
}

function filterLikes(likesTop, likesBottom, tweets){
    for (let i = 0; i < tweets.length; i++) {
        var tweet = tweets[i]
        if(tweet.favorite_count >= likesTop || tweet.favorite_count <= likesBottom){
            tweets.splice(i, 1)
            break
        }
    }
    return tweets
}

function filterRetweets(retweetsTop, retweetsBottom, tweets){
    for (let i = 0; i < tweets.length; i++) {
        var tweet = tweets[i]
        if(tweet.retweet_count >= retweetsTop || tweet.retweet_count <= retweetsBottom){
            tweets.splice(i, 1)
            break
        }
    }
    return tweets
}

function filterReplies(repliesTop, repliesBottom, tweets){
    for (let i = 0; i < tweets.length; i++) {
        var tweet = tweets[i]
        if(tweet.reply_count >= repliesTop || tweet.reply_count <= repliesBottom){
            tweets.splice(i, 1)
            break
        }
    }
    return tweets
}

function sortTweets(tweets, likesDes=null, retweetsDes=null, repliesDes=null, dateDes=null){
    if(likesDes && likesDes!=null){
        tweets.sort(function(a,b){return b.favorite_count-a.favorite_count})
    } else if (!likesDes && likesDes!=null){
        tweets.sort(function(a,b){return a.favorite_count-b.favorite_count})
    }
    if(retweetsDes && retweetsDes!=null){
        tweets.sort(function(a,b){return b.retweet_count-a.retweet_count})
    } else if (!retweetsDes && retweetsDes!=null){
        tweets.sort(function(a,b){return a.retweet_count-b.retweet_count})
    }
    if(repliesDes && repliesDes!=null){
        tweets.sort(function(a,b){return b.reply_count-a.reply_count})
    } else if (!repliesDes && repliesDes!=null){
        tweets.sort(function(a,b){return a.reply_count-b.reply_count})
    }
    if(dateDes && dateDes!=null){
        tweets.sort(function(a,b){return Date(b.created_at)-Date(a.reply_count)})
    } else if (!dateDes && dateDes!=null){
        tweets.sort(function(a,b){return Date(a.created_at)-Date(b.reply_count)})
    }
    return tweets
}