src/lib/components/ApiKeyInput.svelte

<script lang="ts">
  import { setApiKey } from '$lib/stores/story';

  export let onApiKeySet: ((apiKey: string) => void) | undefined = undefined;

  let inputKey = '';
  let isSet = false;

  function handleSubmit(event: Event) {
    event.preventDefault();

    if (inputKey.trim()) {
      setApiKey(inputKey.trim());
      isSet = true;
      onApiKeySet?.(inputKey.trim());
    }
  }

  function handleReset() {
    inputKey = '';
    isSet = false;
    setApiKey('');
  }
</script>

<div class="api-key-input">
  {#if !isSet}
    <div class="input-container">
      <h2>Enter OpenAI API Key</h2>
      <p class="description">
        Your API key is used to generate the story and videos with GPT-4 and Sora.
        It's stored only in your browser and never sent to our servers.
      </p>

      <form on:submit={handleSubmit}>
        <input
          type="password"
          bind:value={inputKey}
          placeholder="sk-..."
          class="api-key-field"
          required
        />
        <button type="submit" class="submit-button">
          Start Adventure
        </button>
      </form>

      <p class="info">
        Don't have an API key? Get one at <a href="https://platform.openai.com/api-keys" target="_blank" rel="noopener">OpenAI Platform</a>
      </p>
    </div>
  {:else}
    <div class="key-set">
      <p>✓ API Key Set</p>
      <button on:click={handleReset} class="reset-button">
        Change Key
      </button>
    </div>
  {/if}
</div>

<style>
  .api-key-input {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    min-height: 300px;
  }

  .input-container {
    max-width: 500px;
    width: 100%;
    text-align: center;
  }

  h2 {
    margin: 0 0 0.5rem 0;
    color: #1a1a1a;
    font-size: 1.75rem;
  }

  .description {
    color: #666;
    margin: 0 0 2rem 0;
    line-height: 1.5;
    font-size: 0.95rem;
  }

  form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .api-key-field {
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid #ddd;
    border-radius: 0.5rem;
    font-family: 'Monaco', 'Consolas', monospace;
  }

  .api-key-field:focus {
    outline: none;
    border-color: #007bff;
  }

  .submit-button {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background 0.2s;
  }

  .submit-button:hover {
    background: #0056b3;
  }

  .info {
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: #666;
  }

  .info a {
    color: #007bff;
    text-decoration: none;
  }

  .info a:hover {
    text-decoration: underline;
  }

  .key-set {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: #d4edda;
    border: 1px solid #c3e6cb;
    border-radius: 0.5rem;
    color: #155724;
  }

  .key-set p {
    margin: 0;
    font-weight: 600;
  }

  .reset-button {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    background: white;
    color: #155724;
    border: 1px solid #c3e6cb;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: background 0.2s;
  }

  .reset-button:hover {
    background: #f1f1f1;
  }
</style>