function swap(value) {
    let postsb = document.getElementById("profilepostbutton");
    let aboutb = document.getElementById("profileaboutbutton");
    let posts = document.getElementById("posts");
    let about = document.getElementById("about");
    if (value) {
        postsb.classList.add("selected")
        aboutb.classList.remove("selected")
        about.classList.add("hidden")
        posts.classList.remove("hidden")
    } else {
        postsb.classList.remove("selected")
        aboutb.classList.add("selected")
        about.classList.remove("hidden")
        posts.classList.add("hidden")
    }
}

function render() {
    const html = `
    <div id="top">
        <div id="banner">
            <div>
                    
            </div>
        </div>
        <div id="info">
            <div class="face">
                
            </div>
            <div class="infodata">
                <span class="bold ltext">${data.user.firstname + ' ' + data.user.lastname}</span>
                <span class="gtext">Joined ${parseDate(new Date(data.user.date))}</span>
            </div>
        </div>
        <div class="fullline" style="width: 80em; margin-bottom: 0;"></div>
        <div class="profilebuttons">
            <button id="profilepostbutton" class="${posts ? 'selected' : ''}" onclick="swap(true)">
                Posts
            </button>
            <button id="profileaboutbutton" class="${posts ? '' : 'selected'}" onclick="swap(false)">
                About
            </button>
            <div style="flex: 20"></div>
            ${ isself ? `<button class="logout" onclick="logout_button()">Logout</button>` : ''}
        </div>
    </div>
    `

    append(html)

    const postsh = `
    <div id="posts" class="${posts ? '' : 'hidden'}">
        ${data.posts.map(p => parsePost(p)).join('')}
    </div>
    `
    
    append(postsh)

    const about = `
    <div id="about" class="post ${posts ? 'hidden' : ''}">
        <span class="bold ltext">About</span>
        <div class="data">
            <span class="gtext bold">Name: ${data.user.firstname + ' ' + data.user.lastname}</span>
            <span class="gtext bold">Email: ${data.user.email}</span>
            <span class="gtext bold">Gender: ${data.user.gender}</span>
            <span class="gtext bold">Birthday: ${parseMonth(data.user.month) + ' ' + data.user.day + ', ' + data.user.year}</span>
            <span class="gtext bold">User ID: ${data.user.user_id}</span>
        </div>
    </div>
    `

    append(about)
}

async function logout_button() {
    const response = await logout()
    if (response.status != 200) return;
    location.href = '/login'
}

var posts = true
var isself = false

async function load() {
    header(false, false)

    var params = {};
    for (const [key, value] of new URLSearchParams(location.search)) {
        params[key] = value
    }

    data.user = (await loadself()).json;
    data.users[data.user.user_id] = data.user
    let id;
    
    if (params.id !== undefined && !isNaN(params.id)) {

        id = parseInt(params.id);
    } else {
        id = data.user.user_id
    }

    isself = id === data.user.user_id

    const posts = (await loadusersposts(id)).json
    data.posts.push(... posts)
    const batch = []
    for (const post of posts) {
        for(const comment of post.comments) {
            if (data.users[comment[0]] !== undefined) continue
            if (batch.includes(comment[0])) continue
            batch.push(comment[0])
        }
        if (data.users[post.user_id] !== undefined) continue
        if (batch.includes(post.user_id)) continue
        batch.push(post.user_id)
    }
    const users = batch.length == 0 ? [] : (await loadusers(batch)).json
    for (const user of users) {
        data.users[user.user_id] = user
    }
    render()
}

load()