Combine into single page, add copy buttons.

templates/combined.html

@@ -20,11 +20,11 @@
     <p>Wikipedia article: {{ name }}</p>
     <p><a href="https://flickr.com/search/?view_all=1&safe_search=3&text={{ '"' + name + '"' | urlencode }}">Search flickr</a></p>
 
-    <form action="{{ url_for("show_message") }}">
+    <form action="{{ url_for(request.endpoint) }}">
       <input type="hidden" name="wikipedia" value="{{ wikipedia_url }}"></input>
   <div class="mb-3">
         <label for="flickr" class="form-label">Flickr URL:</label>
-        <input type="text" class="form-control" id="flickr" name="flickr" required>
+        <input type="text" class="form-control" id="flickr" name="flickr" value="{{ flickr_url }}" required>
         </div>
 
         <input type="submit" value="Submit">
@@ -32,6 +32,39 @@
 
     {% endif %}
 
+    {% if flickr_url %}
+    <p><a href="https://www.flickr.com/mail/write/?to={{nsid}}">send message</a>
+    <div><strong>Subject:</strong> {{ subject }} <button class="btn btn-primary" id="copy-subject">copy</button>
+      <div>
+        <h3>message
+        <button class="btn btn-primary" id="copy-message">copy</button>
+        </h3>
+  {% for p in lines %}
+    <p>{{ p }}</p>
+  {% endfor %}
+  </div>
+
+
+    {% endif %}
+
   </div>
   </div>
 {% endblock %}
+
+{% block scripts %}
+<script>
+  var copy_subject = document.getElementById("copy-subject");
+  var copy_message = document.getElementById("copy-message");
+  var subject = {{ subject | tojson }};
+  var message = {{ "\n\n".join(lines) | tojson }};
+
+  copy_subject.addEventListener("click", function(e) {
+    navigator.clipboard.writeText(subject);
+  });
+
+  copy_message.addEventListener("click", function(e) {
+    navigator.clipboard.writeText(message);
+  });
+
+</script>
+{% endblock %}