ecodash/templates/default/admin.html

<h1>Admin Panel</h1>
<p>Here you can edit all the configurations for EcoDash.</p>

{{if .Warning}}
    <article class="card" style="background-color: {{if .Warning.IsSuccess}}#008000{{else}}#ff5050{{end}}; color: white">
        <header>
            <h3>{{.Warning.Header}}</h3>
        </header>
        <footer>
            <p>{{.Warning.BodyHTML}}</p>
        </footer>
    </article>
{{end}}

<form action="./admin" method="POST">

    <h3>HomeAssistant</h3>
    <label>HomeAssistant's base URL <input type="text" name="base_url" value="{{.Config.HomeAssistant.BaseURL}}" required></label>
    <label>HomeAssistant's API Key <input type="text" name="api_key" value="{{.Config.HomeAssistant.ApiKey}}" required></label>

    <h3>Sensors</h3>
    <label>Polled Smart Energy Summation entity ID <input type="text" name="polled_smart_energy_summation" value="{{.Config.Sensors.PolledSmartEnergySummation}}" required></label>
    <label>CO2 signal Grid fossil fuel percentage entity ID  <input type="text" name="fossil_percentage"  value="{{.Config.Sensors.FossilPercentage}}" required></label>

    <h3>Admin account</h3>
    <label>Username <input type="text" name="username" value="{{.Config.Administrator.Username}}" required></label>
    {{if .Config.Administrator.PasswordHash}}
    <label>
        <input type="checkbox" name="keep_old_password" onchange="toggle_password_edit()">
        <p class="checkable">Keep the old password</p>
    </label>
    {{end}}
    <label>Password <input type="password" name="password" id="password" required></label>

    <h3>Personalization</h3>
    <label>Theme
        <select name="theme">
            {{range .Themes}}
            <option value="{{.Name}}">{{.Name}}</option>
            {{end}}
        </select>
    </label>
    <label>Dashboard name <input type="text" name="name" value="{{.Config.Dashboard.Name}}"></label>
    <input type="submit" placeholder="Submit" style="margin-top: 2em; width: 100%">

</form>

<script>
    function toggle_password_edit() {
        const psw_field = document.getElementById('password');
        psw_field.disabled = !psw_field.disabled;
    }
</script>