class Playlist {
    constructor(wrapperEl, url) {
        this.wrapperEl = wrapperEl;

        const request = new Request(url, {
            method: 'GET',
        });

        fetch(request)
            .then(response => response.json())
            .then(data => {
                let playlist = this.wrapperEl.querySelector('.playlist');
                if (!playlist) {
                    playlist = document.createElement('nav');
                    playlist.classList.add('playlist');
                    this.wrapperEl.appendChild(playlist)
                }
                else {
                    playlist.innerHTML = "";
                }

                const listEl = document.createElement("ul");
                for (let file of data) {
                    const liEl = document.createElement("li");


                    const imgEl = document.createElement("img");
                    imgEl.classList.add('img');
                    imgEl.title = file.id;
                    imgEl.src = file.svg;
                    liEl.append(imgEl);


                    let time = file.mtime;
                    if (file.ctime != file.mtime){
                        time += ` (orig: ${file.ctime})`;
                    }
                    const dateEl = document.createElement("span");
                    dateEl.classList.add('date');
                    dateEl.innerText = time;
                    liEl.append(dateEl);


                    const nameEl = document.createElement("span");
                    nameEl.classList.add('name');
                    nameEl.innerText = file.name;
                    liEl.append(nameEl);

                    const linksEl = document.createElement("span");
                    linksEl.classList.add('links');
                    liEl.append(linksEl);

                    const playEl = document.createElement("a");
                    playEl.classList.add('play');
                    playEl.innerText = "Play";
                    playEl.href = location;
                    playEl.pathname = "play.html";
                    playEl.search = "?"+file.name;
                    linksEl.append(playEl);
                    
                    const annotateEl = document.createElement("a");
                    annotateEl.classList.add('annotate');
                    annotateEl.innerText = "Annotate";
                    annotateEl.href = location;
                    annotateEl.pathname = "annotate.html";
                    annotateEl.search = "?"+file.name;
                    linksEl.append(annotateEl);

                    const drawEl = document.createElement("a");
                    drawEl.classList.add('draw');
                    drawEl.innerText = "Draw";
                    drawEl.href = location;
                    drawEl.pathname = "draw.html";
                    drawEl.hash = file.id;
                    linksEl.append(drawEl);
                    
                    // liEl.addEventListener('click', (e) => {
                    //     this.play(fileUrl);
                    //     playlist.style.display = "none";
                    // });
                    listEl.appendChild(liEl);
                }
                playlist.appendChild(listEl);
                // do something with the data sent in the request
            });

    }
}