CodeChanllenge/index.html at master · Ntermast/CodeChanllenge · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport"
          content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />

    <title>Mini App</title>

    <style>

      div.user-photo {
        margin: 1em auto;
      }
      body{
        background-color: white;
      }
      .select{
        margin-bottom: 2.5em;
      }
      .user-photo{
        width: 150px;
        height: 150px;
        border-radius : 50%;
        overflow: hidden;
      }
      .details {
        color: white;
        background-color: #6200ee;
        font-size: 1.3em;
        margin-top: 4em;
        padding: 0.5em 1em 0.5em 1em;
        border-radius: 10px;
      }
      .details p{
        margin: 0.3em;
      }
      #outcome{
        position: absolute;
        right: 2.2em;
        bottom: 6.5em;
        width: 100px;
        text-align: center;
      }
      #outcome h3 {
        padding: 1em;
        background-color: white;
        border-radius: 10%;
        margin: 0;
      }
      #outcome p {
       color: white;
       border-bottom: 5px solid white;
       font-size: 2em;
       margin: 0;
       padding: 0.5em 0em 0.5em 0em;
      }

      #oracle{
        margin-top: 2.5em;
        border: 1px solid;
        width: 100%;
      }


    </style>
  </head>
  <body>
    <button id="filter-query" class="mdc-icon-button material-icons" >
    filter_list
    </button>
    <div class="select">
      <select class="select-text">
        <option disabled selected>Select User</option>
      </select>
    </div>
    <div class="user-photo">
      <img src="https://via.placeholder.com/150" alt="Placeholder Image" />
    </div>
    <div class="details mdc-elevation--z3">
		<p>
            <span class="prop" data-age>Age:</span>
            <span class="value" data-age-value></span></p>
        <p>
            <span class="prop" data-height>Height:</span>
            <span class="value" data-height-value></span>
        </p>
        <p>
            <span class="prop" data-weight>Weight:</span>
            <span class="value" data-weight-value></span>
        </p>
        <p>
            <span class="prop" data-gender>Gender:</span>
            <span class="value" data-gender-value></span>
        </p>
        <p>
            <span class="prop" data-country>Country:</span>
            <span class="value" data-country-value></span>
        </p>
    </div>

    <button id="oracle" class="mdc-button">Calculate BMI</button>
    <div id="outcome">
        <h3 class="mdc-typography--headline5">BMI</h3>
        <p></p>
    </div>

    <script>

      const users = [];

      const computeBMI = ({weight, height, country}) =>{
        let bmi = weight/(Math.pow(height*0.3048, 2));
        let healthyCountry = ['Chad', 'Sierra Leone', 'Mali', 'Gambia', 'Uganda', 'Ghana', 'Senegal', 'Somalia', 'Ivory Coast', 'Israel'];
        if(healthyCountry.indexOf(country) != -1){
          bmi = bmi*0.82;
        }
        return parseFloat(bmi).toPrecision(3);
      };


      const getSelectedUser = (userId) => users.find(({id}) =>  id == userId);

      const displaySelectedUser = ({ target }) => {
            let user = getSelectedUser(target.value);
            let properties = Object.keys(user);
            properties.forEach((key) => {
                let domel = document.querySelector(`span[data-${key}-value]`);
                if (domel) {
                    domel.textContent = user[key];
                }
            });
      }

      const displaySelectedUser = (event) => {
        	let { target } = event;
            let user = getSelectedUser(target.value);
            let properties = Object.keys(user);
            properties.forEach((key) => {
                let domel = document.querySelector(`span[data-${key}-value]`);
                if (domel) {
                    domel.textContent = user[key];
                }
            });
      }


      const letsCalculateBMI = () => {
        let element = document.querySelector(".select-text");
        let userId = element.options[element.selectedIndex].value;
        let user = getSelectedUser(userId);
        let bmi = computeBMI(user);
        let pdom = document.querySelector("#outcome p");
        pdom.textContent = bmi;
      }

      const powerupTheUI = () => {
         document.querySelector('.select-text').addEventListener('change', 				displaySelectedUser);
         document.querySelector('#oracle').addEventListener('click',
             letsCalculateBMI);
      }

      const displayUsers = (users) => {
        let select = document.querySelector('.select-text');

        users.forEach((user)=>{
          var opt = document.createElement('option');
          opt.appendChild( document.createTextNode(user.name) );
          opt.value = user.id;
          select.appendChild(opt);

        });

      }


      const fetchAndDisplayUsers = () => {
        users.push({
          age: 40,
          weight: 75,
          height: 6,
          gender: 'Male',
          country: 'Nigeria',
          name: 'Charles Odili',
          id: 'dfhb454768DghtF'
        },


        displayUsers(users);
        then((response) => response.json()).then(({results}) => {
          let [user] = results;
          users.push(user);

          displayUsers([user]);
        }).catch(error => console.error("API problem", error));
      };

      const startApp = () => {
		    powerupTheUI();
        fetchAndDisplayUsers();
      };

      startApp();

    </script>
  </body>
</html>