{% extends "base.html" %}
{% block title %}Users — ULPgrammer{% endblock %}
{% block content %}

<h2>Users</h2>

<button class="btn-primary" onclick="document.getElementById('create-modal').showModal()">+ New user</button>

<table class="data-table">
  <thead>
    <tr>
      <th>Username</th>
      <th>Role</th>
      <th>Created</th>
      <th>Active</th>
      <th>Actions</th>
    </tr>
  </thead>
  <tbody>
  {% for u in users %}
  <tr id="user-{{ u.id }}">
    <td>{{ u.username }}</td>
    <td>{{ u.role }}</td>
    <td>{{ u.created_at[:10] }}</td>
    <td>{{ "Yes" if u.is_active else "No" }}</td>
    <td>
      {% if u.id != user.id %}
      <button onclick="openEdit('{{ u.id }}', '{{ u.role }}', {{ u.is_active }})">Edit</button>
      <button class="btn-danger" onclick="deactivate('{{ u.id }}')">Deactivate</button>
      {% else %}
      <em>(you)</em>
      {% endif %}
    </td>
  </tr>
  {% endfor %}
  </tbody>
</table>

<!-- Create user modal -->
<dialog id="create-modal">
  <form id="create-form">
    <h3>New user</h3>
    <label>Username<input name="username" required></label>
    <label>Password<input type="password" name="password" required></label>
    <label>Role
      <select name="role">
        <option>reader</option>
        <option>admin</option>
        <option>superadmin</option>
      </select>
    </label>
    <div class="dialog-actions">
      <button type="submit" class="btn-primary">Create</button>
      <button type="button" onclick="this.closest('dialog').close()">Cancel</button>
    </div>
    <p id="create-error" class="error"></p>
  </form>
</dialog>

<!-- Edit user modal -->
<dialog id="edit-modal">
  <form id="edit-form">
    <h3>Edit user</h3>
    <input type="hidden" id="edit-user-id">
    <label>New password (leave blank to keep)<input type="password" id="edit-password"></label>
    <label>Role
      <select id="edit-role">
        <option>reader</option>
        <option>admin</option>
        <option>superadmin</option>
      </select>
    </label>
    <label><input type="checkbox" id="edit-active"> Active</label>
    <div class="dialog-actions">
      <button type="submit" class="btn-primary">Save</button>
      <button type="button" onclick="this.closest('dialog').close()">Cancel</button>
    </div>
    <p id="edit-error" class="error"></p>
  </form>
</dialog>

<script>
document.getElementById("create-form").addEventListener("submit", async e => {
  e.preventDefault();
  const fd = new FormData(e.target);
  const res = await fetch("/users", {
    method: "POST",
    headers: {"Content-Type": "application/json"},
    body: JSON.stringify({username: fd.get("username"), password: fd.get("password"), role: fd.get("role")}),
  });
  if (res.ok) { location.reload(); }
  else { document.getElementById("create-error").textContent = await res.text(); }
});

function openEdit(id, role, isActive) {
  document.getElementById("edit-user-id").value = id;
  document.getElementById("edit-role").value = role;
  document.getElementById("edit-active").checked = !!isActive;
  document.getElementById("edit-password").value = "";
  document.getElementById("edit-modal").showModal();
}

document.getElementById("edit-form").addEventListener("submit", async e => {
  e.preventDefault();
  const id = document.getElementById("edit-user-id").value;
  const body = {
    role:      document.getElementById("edit-role").value,
    is_active: document.getElementById("edit-active").checked,
  };
  const pw = document.getElementById("edit-password").value;
  if (pw) body.password = pw;
  const res = await fetch(`/users/${id}`, {
    method: "PATCH",
    headers: {"Content-Type": "application/json"},
    body: JSON.stringify(body),
  });
  if (res.ok) { location.reload(); }
  else { document.getElementById("edit-error").textContent = await res.text(); }
});

async function deactivate(id) {
  if (!confirm("Deactivate this user?")) return;
  const res = await fetch(`/users/${id}`, {method: "DELETE"});
  if (res.ok) { location.reload(); }
  else { alert(await res.text()); }
}
</script>

{% endblock %}