<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=3.0, user-scalable=yes"/>
    <meta name="format-detection" content="telephone=no"/>

    {{ yml['header'] | safe }}
    {% if yml['css']['item'] %}
        {% for css in yml['css']['item'] %}
            <link href="{{ css }}" rel="stylesheet">
        {% endfor %}
    {% endif %}
    {% if yml['js']['head'] %}
        {% for js in yml['js']['head'] %}
            <script src="{{ js }}"></script>
        {% endfor %}
    {% endif %}

    <title>EnglishPal Study Room for {{ username }}</title>

    <style>
        .shaking {
            animation: shakes 1600ms ease-in-out;
        }

        @keyframes shakes {
            10%, 90% { transform: translate3d(-1px, 0, 0); }
            20%, 50% { transform: translate3d(+2px, 0, 0); }
            30%, 70% { transform: translate3d(-4px, 0, 0); }
            40%, 60% { transform: translate3d(+4px, 0, 0); }
            50% { transform: translate3d(-4px, 0, 0); }
        }
    </style>
</head>
<body>
<div class="container-fluid">
    <p><b>English Pal for <font id="username" color="red">{{ username }}</font></b>

        {% if username ==  admin_name %}
        <a class="btn btn-secondary" href="/admin" role="button" onclick="stopRead()">管理</a>
        {% endif %}
        <a id="quit" class="btn btn-secondary" href="/logout" role="button" onclick="stopRead()">退出</a>
        <a class="btn btn-secondary" href="/reset" role="button" onclick="stopRead()">重设密码</a>

    </p>
{#    {% for message in flashed_messages %}#} {# 根据user_service.userpage,取消了参数flashed_messages,因此注释了这段代码 #}
{#        <div class="alert alert-warning" role="alert">Congratulations! {{ message }}</div>#}
{#    {% endfor %}#}

        <button class="btn btn-success" id="load_next_article" onclick="load_next_article();Reader.stopRead()"> 下一篇 Next Article </button>
        <button class="btn btn-success" id="load_pre_article" onclick="load_pre_article();Reader.stopRead()" > 上一篇 Previous Article </button>

    <p><b>阅读文章并回答问题</b></p>
    <div id="text-content">
        <div id="found">
            <div class="alert alert-success" role="alert">According to your word list, your level is <span class="badge bg-success" id="user-level">{{ today_article["user_level"] }}</span>  and we have chosen an article with a difficulty level of <span class="badge bg-success" id="text_level">{{ today_article["text_level"] }}</span> for you.</div>
                <p class="text-muted" id="date">Article added on: {{ today_article["date"] }}</p><br/>
            <div class="p-3 mb-2 bg-light text-dark"><br/>
            <p class="display-5" id="article_title">{{ today_article["article_title"] }}</p><br/>
            <p class="lead"><font id="article" size=2>{{ today_article["article_body"] }}</font></p><br/>
            <p><small class="text-muted" id="source">{{ today_article['source'] }}</small></p><br/>
            <p><b id="question">{{ today_article['question'] }}</b></p><br/>
                <script type="text/javascript">
                    function toggle_visibility(id) { {# https://css-tricks.com/snippets/javascript/showhide-element/#}
                        const e = document.getElementById(id);
                        if(e.style.display === 'block')
                            e.style.display = 'none';
                        else
                            e.style.display = 'block';
                    }
                </script>
                <button onclick="toggle_visibility('answer');">ANSWER</button>
                <div id="answer" style="display:none;">{{ today_article['answer'] }}</div><br/>
            </div>
        </div>
        <div class="alert alert-success" role="alert" id="not_found" style="display:none;">
            <p class="text-muted"><span class="badge bg-success">Notes:</span><br>No article is currently available for you. You can try again a few times or mark new words in the passage to improve your level.</p>
        </div>
        <div class="alert alert-success" role="alert" id="read_all" style="display:none;">
            <p class="text-muted"><span class="badge bg-success">Notes:</span><br>You've read all the articles.</p>
        </div>
    </div>

    <input type="checkbox" onclick="toggleHighlighting()" checked/>生词高亮
    <input type="checkbox" onclick="onReadClick()" checked/>大声朗读
    <input type="checkbox" onclick="onChooseClick()" checked/>划词入库
    <div class="range">
        <div class="field">
            <div class="sliderValue">
                <span id="rangeValue">1×</span>
            </div>
            <input type="range" id="rangeComponent" min="0.5" max="2" value="1" step="0.25"/>
        </div>
    </div>
    <p><b>收集生词吧</b> (可以在正文中划词,也可以复制黏贴)</p>
    <form method="post" action="/{{ username }}/userpage">
        <textarea name="content" id="selected-words" rows="10" cols="120"></textarea><br/>
        <input type="submit" value="把生词加入我的生词库" onclick="Reader.stopRead()"/>
        <input type="reset" value="清除"/>
    </form>
    {% if session.get['thisWord'] %}
        <script type="text/javascript">
            //point to the anchor in the page whose id is aaa if it exists
            window.onload = function () {
                var element = document.getElementsByName("aaa");
                if (element != null)
                    document.getElementsByName("aaa")[0].scrollIntoView(true);
            }
        </script>
    {% endif %}

    {% if d_len > 0 %}
        <p>
            <b>我的生词簿</b> 
            <label for="move_dynamiclly">
                <input type="checkbox" name="move_dynamiclly" id="move_dynamiclly" checked>
                允许动态调整顺序
            </label>
        </p>
        <a name="aaa"></a>
        <div class="word-container">
            {% for x in lst3 %}
                {% set word = x[0] %}
                {% set freq = x[1] %}
                {% if session.get('thisWord') == x[0] and session.get('time') == 1 %}
                {% endif %}
                <p id='p_{{ word }}' class="new-word" >
                    <a id="word_{{ word }}"  class="btn btn-light" href='http://youdao.com/w/eng/{{ word }}/#keyfrom=dict2.index'
                    role="button">{{ word }}</a>
                    ( <a id="freq_{{ word }}" title="{{ word }}">{{ freq }}</a> )
                    <a class="btn btn-success" onclick="familiar('{{ word }}')" role="button">熟悉</a>
                    <a class="btn btn-warning" onclick="unfamiliar('{{ word }}')" role="button">不熟悉</a>
                    <a class="btn btn-danger" onclick="delete_word('{{ word }}')" role="button">删除</a>
                    <a class="btn btn-info" onclick="read_word('{{ word }}')" role="button">朗读</a>
                </p>
            {% endfor %}
        </div>
        <input id="selected-words2" type="hidden" value="{{ words }}">
    {% endif %}
</div>
{{ yml['footer'] | safe }}
{% if yml['js']['bottom'] %}
    {% for js in yml['js']['bottom'] %}
        <script src="{{ js }}"></script>
    {% endfor %}
{% endif %}
<script type="text/javascript">
    function load_next_article(){
        $.ajax({
            url: '/get_next_article/{{username}}',
            dataType: 'json',
            success: function(data) {
                // 更新页面内容
                if(data['today_article']){
                    update(data['today_article']);
                    check_pre(data['visited_articles']);
                    check_next(data['result_of_generate_article']);
                }
            }
        });
    }
    function load_pre_article(){
        $.ajax({
            url: '/get_pre_article/{{username}}',
            dataType: 'json',
            success: function(data) {
                // 更新页面内容
                if(data['today_article']){
                    update(data['today_article']);
                    check_pre(data['visited_articles']);
                }
            }
        });
    }
    function update(today_article){
        $('#user-level').html(today_article['user_level']);
        $('#text_level').html(today_article["text_level"]);
        $('#date').html('Article added on: '+today_article["date"]);
        $('#article_title').html(today_article["article_title"]);
        $('#article').html(today_article["article_body"]);
        $('#source').html(today_article['source']);
        $('#question').html(today_article["question"]);
        $('#answer').html(today_article["answer"]);
    }
<!-- 检查是否存在上一篇或下一篇,不存在则对应按钮隐藏-->
    function check_pre(visited_articles){
        if((visited_articles=='')||(visited_articles['index']<=0)){
            $('#load_pre_article').hide();
        }else{
            $('#load_pre_article').show();
        }
    }
    function check_next(result_of_generate_article){
        if(result_of_generate_article == "found"){
            $('#found').show();$('#not_found').hide();
            $('#read_all').hide();
        }else if(result_of_generate_article == "not found"){
            $('#found').hide();
            $('#not_found').show();
            $('#read_all').hide();
        }else{
            $('#found').hide();
            $('#not_found').hide();
            $('#read_all').show();
        }
    }
</script>
</body>
<style>
    mark {
        color: #{{ yml['highlight']['color'] }};
        background-color: rgba(0, 0, 0, 0);
    }
</style>

</html>