<!DOCTYPE html>
<html lang="en">
<head>
    <!-- Load required Bootstrap and BootstrapVue CSS -->
    <link type="text/css" rel="stylesheet" href="//unpkg.com/bootstrap/dist/css/bootstrap.min.css" />
    <link type="text/css" rel="stylesheet" href="//unpkg.com/bootstrap-vue@^2/dist/bootstrap-vue.min.css" />

    <!-- Load polyfills to support older browsers -->
    <script src="//polyfill.io/v3/polyfill.min.js?features=es2015%2CMutationObserver"></script>

    <!-- Load Vue followed by BootstrapVue -->
    <script src="//unpkg.com/vue@^2/dist/vue.min.js"></script>
    <script src="//unpkg.com/bootstrap-vue@^2/dist/bootstrap-vue.min.js"></script>
    <script src="https://unpkg.com/axios/dist/axios.min.js"></script>
    <meta charset="UTF-8">
    <title>CLI</title>
</head>
<body>

<div id="app">
    <b-navbar>
        <b-navbar-brand>CLI</b-navbar-brand>
        <b-navbar-nav>
            <b-nav-item v-for="item in nav" :href="item.url" :active="item.name === 'CLI'">{{ item.name }}</b-nav-item>
        </b-navbar-nav>
    </b-navbar>
    <b-alert
            dismissable
            variant="error"
            :show="err">
        {{ err }}
    </b-alert>
    <b-container>
        <b-row>
            <b-col cols="5">Password:</b-col>
            <b-col><b-input v-model="answer"></b-col>
        </b-row>
        <b-row>
            <b-form-textarea
                    v-sticky-scroll
                    disabled
                    id="textarea"
                    v-model="text"
                    placeholder="The bot will respond here..."
                    rows="10"
                    max-rows="10"
                    no-resize
            ></b-form-textarea>
        </b-row>
        <b-form
                @submit="send">
            <b-row>
                <b-col>
                    <b-form-input
                            type="text"
                            placeholder="Username"
                            v-model="user"></b-form-input>
                </b-col>
                <b-col>
                    <b-form-input
                            type="text"
                            placeholder="Enter something to send to the bot"
                            v-model="input"
                            autocomplete="off"
                    ></b-form-input>
                </b-col>
                <b-col>
                    <b-button type="submit" :disabled="!authenticated">Send</b-button>
                </b-col>
            </b-row>
        </b-form>
    </b-container>
</div>

<script>
  var app = new Vue({
    el: '#app',
    data: {
      err: '',
      nav: [],
      answer: '',
      correct: 0,
      textarea: [],
      user: '',
      input: '',
    },
    mounted: function() {
      axios.get('/nav')
        .then(resp => {
          this.nav = resp.data;
        })
        .catch(err => console.log(err))
    },
    computed: {
      authenticated: function() {
        if (this.user !== '')
          return true;
        return false;
      },
      text: function() {
        return this.textarea.join('\n');
      }
    },
    methods: {
      addText(user, text) {
        this.textarea.push(user + ": " + text);
        const len = this.textarea.length;
        if (this.textarea.length > 10)
          this.textarea = this.textarea.slice(len-10, len);
      },
      send(evt) {
        evt.preventDefault();
        evt.stopPropagation()
        if (!this.authenticated) {
          return;
        }
        const payload = {user: this.user, payload: this.input, password: this.answer};
        this.addText(this.user, this.input);
        this.input = "";
        axios.post('/cli/api', payload)
          .then(resp => {
            const data = resp.data;
            this.addText(data.user, data.payload.trim());
            this.err = '';
          })
          .catch(err => (this.err = err));
      }
    }
  })
</script>
</body>
</html>