{{ define "schema-form" }}
  {{ $readonly := .ReadOnly }}
  {{ $networks := .AvailableNetworks }}
  {{ $data := .Data }}
  {{ range $name, $schema := .Schema.Fields }}
    {{ if eq $schema.Kind 0 }}
      <label for="{{ $name }}">
        <span>{{ $name }}</span>
      </label>
	  <input type="checkbox" role="swtich" name="{{ $name }}" oninput="valueChanged({{ $name }}, this.value)" {{ if $readonly }}disabled{{ end }} {{ if index $data $name }}checked{{ end }}/>
    {{ else if eq $schema.Kind 1 }}
      <label for="{{ $name }}">
        <span>{{ $name }}</span>
      </label>
	  <input type="text" name="{{ $name }}" oninput="valueChanged({{ $name }}, this.value)" {{ if $readonly }}disabled{{ end }} value="{{ index $data $name }}"/>
    {{ else if eq $schema.Kind 4 }}
      <label for="{{ $name }}">
        <span>{{ $name }}</span>
      </label>
	  <input type="text" name="{{ $name }}" oninput="valueChanged({{ $name }}, this.value)" {{ if $readonly }}disabled{{ end }} value="{{ index $data $name }}"/>
	{{ else if eq $schema.Kind 3 }}
	  <select oninput="valueChanged({{ $name }}, this.value)" {{ if $readonly }}disabled{{ end }} >
		{{ if not $readonly }}<option disabled selected value> -- select an option -- </option>{{ end }}
		{{ range $networks }}
		  <option {{if eq .Name (index $data $name) }}selected{{ end }}>{{ .Name }}</option>
		{{ end }}
	  </select>
	{{ end }}
  {{ end }}
{{ end }}

{{ define "main" }}
{{ $instance := .Instance }}
<h1>{{ .App.Icon }}{{ .App.Name }}</h1>
<pre id="readme"></pre>

{{ $schema := .App.Schema }}
{{ $networks := .AvailableNetworks }}

<form id="config-form">
    {{ if $instance }}
      {{ template "schema-form" (dict "Schema" $schema "AvailableNetworks" $networks "ReadOnly" false "Data" $instance.Config) }}
    {{ else }}
      {{ template "schema-form" (dict "Schema" $schema "AvailableNetworks" $networks "ReadOnly" false "Data" (dict)) }}
    {{ end }}
    {{ if $instance }}
      <div class="grid">
        <button type="submit" id="submit" name="update">Update</button>
        <button type="submit" id="uninstall" name="remove">Uninstall</button>
      </div>
    {{ else }}
      <button type="submit" id="submit">{{ if $instance }}Update{{ else }}Install{{ end }}</button>
    {{ end }}
</form>

{{ range .Instances }}
  {{ if or (not $instance) (ne $instance.Id .Id)}}
    <details>
      <summary>{{ .Id }}</summary>
      {{ template "schema-form" (dict "Schema" $schema "AvailableNetworks" $networks "ReadOnly" true "Data" .Config ) }}
      <a href="/instance/{{ .Id }}" role="button" class="secondary">View</a>
    </details>
  {{ end }}
{{ end }}


<div id="toast-success" class="toast hidden">
  <svg xmlns="http://www.w3.org/2000/svg" width="36" height="36" viewBox="0 0 36 36"><path fill="currentColor" d="M18 2a16 16 0 1 0 16 16A16 16 0 0 0 18 2Zm0 30a14 14 0 1 1 14-14a14 14 0 0 1-14 14Z" class="clr-i-outline clr-i-outline-path-1"/><path fill="currentColor" d="M28 12.1a1 1 0 0 0-1.41 0l-11.1 11.05l-6-6A1 1 0 0 0 8 18.53L15.49 26L28 13.52a1 1 0 0 0 0-1.42Z" class="clr-i-outline clr-i-outline-path-2"/><path fill="none" d="M0 0h36v36H0z"/></svg> {{ if $instance }}Update succeeded{{ else }}Install succeeded{{ end}}
</div>

<div id="toast-failure" class="toast hidden">
  <svg xmlns="http://www.w3.org/2000/svg" width="36" height="36" viewBox="0 0 24 24"><path fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M12 22c5.523 0 10-4.477 10-10S17.523 2 12 2S2 6.477 2 12s4.477 10 10 10Zm3-6L9 8m0 8l6-8"/></svg> {{ if $instance }}Update failed{{ else}}Install failed{{ end }}
</div>

<div id="toast-uninstall-success" class="toast hidden">
  <svg xmlns="http://www.w3.org/2000/svg" width="36" height="36" viewBox="0 0 36 36"><path fill="currentColor" d="M18 2a16 16 0 1 0 16 16A16 16 0 0 0 18 2Zm0 30a14 14 0 1 1 14-14a14 14 0 0 1-14 14Z" class="clr-i-outline clr-i-outline-path-1"/><path fill="currentColor" d="M28 12.1a1 1 0 0 0-1.41 0l-11.1 11.05l-6-6A1 1 0 0 0 8 18.53L15.49 26L28 13.52a1 1 0 0 0 0-1.42Z" class="clr-i-outline clr-i-outline-path-2"/><path fill="none" d="M0 0h36v36H0z"/></svg> Uninstalled application
</div>

<div id="toast-uninstall-failure" class="toast hidden">
  <svg xmlns="http://www.w3.org/2000/svg" width="36" height="36" viewBox="0 0 24 24"><path fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M12 22c5.523 0 10-4.477 10-10S17.523 2 12 2S2 6.477 2 12s4.477 10 10 10Zm3-6L9 8m0 8l6-8"/></svg> Failed to uninstall application
</div>

<style>
  pre {
    white-space: pre-wrap;       /* Since CSS 2.1 */
    white-space: -moz-pre-wrap;  /* Mozilla, since 1999 */
    white-space: -pre-wrap;      /* Opera 4-6 */
    white-space: -o-pre-wrap;    /* Opera 7 */
    word-wrap: break-word;       /* Internet Explorer 5.5+ */
    background-color: transparent;
  }

 .hidden {
     visibility: hidden;
 }

 .toast {
     position: fixed;
     z-index: 999;
     bottom: 10px;
 }
</style>

<script>
 let readme = "";
 let config = {{ if $instance }}JSON.parse({{ toJson $instance.Config }}){{ else }}{}{{ end }};

 function valueChanged(name, value) {
     config[name] = value;
     renderReadme();
 }

 async function renderReadme() {
	 const resp = await fetch("/api/app/{{ .App.Name }}/render", {
         method: "POST",
         headers: {
             "Content-Type": "application/json",
             "Accept": "application/json",
         },
         body: JSON.stringify(config),
     });
     const app = await resp.json();
     document.getElementById("readme").innerHTML = app.readme;
 }

 {{ if $instance }}renderReadme();{{ end }}

 function disableForm() {
     document.querySelectorAll("#config-form input").forEach((i) => i.setAttribute("disabled", ""));
     document.querySelectorAll("#config-form select").forEach((i) => i.setAttribute("disabled", ""));
     document.querySelectorAll("#config-form button").forEach((i) => i.setAttribute("disabled", ""));
 }

 function enableForm() {
     document.querySelectorAll("[aria-busy]").forEach((i) => i.removeAttribute("aria-busy"));
     document.querySelectorAll("#config-form input").forEach((i) => i.removeAttribute("disabled"));
     document.querySelectorAll("#config-form select").forEach((i) => i.removeAttribute("disabled"));
     document.querySelectorAll("#config-form button").forEach((i) => i.removeAttribute("disabled"));
 }

 function installStarted() {
     const submit = document.getElementById("submit");
     submit.setAttribute("aria-busy", true);
     submit.innerHTML = {{ if $instance }}"Updating ..."{{ else }}"Installing ..."{{ end }};
     disableForm();
 }

 function uninstallStarted() {
     const submit = document.getElementById("uninstall");
     submit.setAttribute("aria-busy", true);
     submit.innerHTML = "Uninstalling ...";
     disableForm();
 }

 function actionFinished(toast) {
     enableForm();
     toast.classList.remove("hidden");
     setTimeout(
         () => toast.classList.add("hidden"),
         2000,
     );
 }

 function installSucceeded() {
     actionFinished(document.getElementById("toast-success"));
 }

 function installFailed() {
     actionFinished(document.getElementById("toast-failure"));
 }

 function uninstallSucceeded() {
     actionFinished(document.getElementById("toast-uninstall-success"));
 }

 function uninstallFailed() {
     actionFinished(document.getElementById("toast-uninstall-failure"));
 }

 const submitAddr = {{ if $instance }}"/api/instance/{{ $instance.Id }}/update"{{ else }}"/api/app/{{ .App.Name }}/install"{{ end }};

 async function install() {
     installStarted();
	 const resp = await fetch(submitAddr, {
         method: "POST",
         headers: {
             "Content-Type": "application/json",
             "Accept": "application/json",
         },
         body: JSON.stringify(config),
     });
     if (resp.status === 200) {
         installSucceeded();
     } else {
         installFailed();
     }
 }

 async function uninstall() {
     {{ if $instance }}
     uninstallStarted();
	 const resp = await fetch("/api/instance/{{ $instance.Id }}/remove", {
         method: "POST",
     });
     if (resp.status === 200) {
         uninstallSucceeded();
     } else {
         uninstallFailed();
     }
     {{ end }}
 }

 document.getElementById("config-form").addEventListener("submit", (event) => {
     event.preventDefault();
     if (event.submitter.id === "submit") {
         install();
     } if (event.submitter.id === "uninstall") {
         uninstall();
     }
 });
</script>
{{ end }}