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import { base } from '$app/paths';
import { AlertTriangle, RefreshCw, Key, CheckCircle, XCircle } from '@lucide/svelte';
import { goto } from '$app/navigation';
import { Button } from '$lib/components/ui/button';
import { Input } from '$lib/components/ui/input';
import Label from '$lib/components/ui/label/label.svelte';
import { serverStore, serverLoading } from '$lib/stores/server.svelte';
import { config, settingsStore } from '$lib/stores/settings.svelte';
import { SETTINGS_KEYS } from '$lib/constants';
import { ROUTES } from '$lib/constants/routes';
import { fade, fly, scale } from 'svelte/transition';
import { KeyboardKey } from '$lib/enums';
interface Props {
class?: string;
error: string;
onRetry?: () => void;
showRetry?: boolean;
showTroubleshooting?: boolean;
}
let {
class: className = '',
error,
onRetry,
showRetry = true,
showTroubleshooting = false
}: Props = $props();
let isServerLoading = $derived(serverLoading());
let isAccessDeniedError = $derived(
error.toLowerCase().includes('access denied') ||
error.toLowerCase().includes('invalid api key') ||
error.toLowerCase().includes('unauthorized') ||
error.toLowerCase().includes('401') ||
error.toLowerCase().includes('403')
);
let apiKeyInput = $state('');
let showApiKeyInput = $state(false);
let apiKeyState = $state<'idle' | 'validating' | 'success' | 'error'>('idle');
let apiKeyError = $state('');
function handleRetryConnection() {
if (onRetry) {
onRetry();
} else {
serverStore.fetch();
}
}
function handleShowApiKeyInput() {
showApiKeyInput = true;
// Pre-fill with current API key if it exists
const currentConfig = config();
apiKeyInput = currentConfig.apiKey?.toString() || '';
}
async function handleSaveApiKey() {
if (!apiKeyInput.trim()) return;
apiKeyState = 'validating';
apiKeyError = '';
try {
// Update the API key in settings first
settingsStore.updateConfig(SETTINGS_KEYS.API_KEY, apiKeyInput.trim());
// Test the API key by making a real request to the server
const response = await fetch(`${base}/props`, {
headers: {
'Content-Type': 'application/json',
Authorization: `Bearer ${apiKeyInput.trim()}`
}
});
if (response.ok) {
// API key is valid - User Story B
apiKeyState = 'success';
// Show success state briefly, then navigate to home
setTimeout(() => {
goto(ROUTES.START);
}, 1000);
} else {
// API key is invalid - User Story A
apiKeyState = 'error';
if (response.status === 401 || response.status === 403) {
apiKeyError = 'Invalid API key - please check and try again';
} else {
apiKeyError = `Authentication failed (${response.status})`;
}
// Reset to idle state after showing error (don't reload UI)
setTimeout(() => {
apiKeyState = 'idle';
}, 3000);
}
} catch (error) {
// Network or other errors - User Story A
apiKeyState = 'error';
if (error instanceof Error) {
if (error.message.includes('fetch')) {
apiKeyError = 'Cannot connect to server - check if server is running';
} else {
apiKeyError = error.message;
}
} else {
apiKeyError = 'Connection error - please try again';
}
// Reset to idle state after showing error (don't reload UI)
setTimeout(() => {
apiKeyState = 'idle';
}, 3000);
}
}
function handleApiKeyKeydown(event: KeyboardEvent) {
if (event.key === KeyboardKey.ENTER) {
handleSaveApiKey();
}
}
</script>
<div class="flex h-full items-center justify-center {className}">
<div class="w-full max-w-md px-4 text-center">
<div class="mb-6" in:fade={{ duration: 300 }}>
<div
class="mx-auto mb-4 flex h-16 w-16 items-center justify-center rounded-full bg-destructive/10"
>
<AlertTriangle class="h-8 w-8 text-destructive" />
</div>
<h2 class="mb-2 text-xl font-semibold">Server Connection Error</h2>
<p class="mb-4 text-sm text-muted-foreground">
{error}
</p>
</div>
{#if isAccessDeniedError && !showApiKeyInput}
<div in:fly={{ y: 10, duration: 300, delay: 200 }} class="mb-4">
<Button onclick={handleShowApiKeyInput} variant="outline" class="w-full">
<Key class="h-4 w-4" />
Enter API Key
</Button>
</div>
{/if}
{#if showApiKeyInput}
<div in:fly={{ y: 10, duration: 300, delay: 200 }} class="mb-4 space-y-3 text-left">
<div class="space-y-2">
<Label for="api-key-input" class="text-sm font-medium">API Key</Label>
<div class="relative">
<Input
id="api-key-input"
placeholder="Enter your API key..."
bind:value={apiKeyInput}
onkeydown={handleApiKeyKeydown}
class="w-full pr-10 {apiKeyState === 'error'
? 'border-destructive'
: apiKeyState === 'success'
? 'border-green-500'
: ''}"
disabled={apiKeyState === 'validating'}
/>
{#if apiKeyState === 'validating'}
<div class="absolute top-1/2 right-3 -translate-y-1/2">
<RefreshCw class="h-4 w-4 animate-spin text-muted-foreground" />
</div>
{:else if apiKeyState === 'success'}
<div
class="absolute top-1/2 right-3 -translate-y-1/2"
in:scale={{ duration: 200, start: 0.8 }}
>
<CheckCircle class="h-4 w-4 text-green-500" />
</div>
{:else if apiKeyState === 'error'}
<div
class="absolute top-1/2 right-3 -translate-y-1/2"
in:scale={{ duration: 200, start: 0.8 }}
>
<XCircle class="h-4 w-4 text-destructive" />
</div>
{/if}
</div>
{#if apiKeyError}
<p class="text-sm text-destructive" in:fly={{ y: -10, duration: 200 }}>
{apiKeyError}
</p>
{/if}
{#if apiKeyState === 'success'}
<p class="text-sm text-green-600" in:fly={{ y: -10, duration: 200 }}>
✓ API key validated successfully! Connecting...
</p>
{/if}
</div>
<div class="flex gap-2">
<Button
onclick={handleSaveApiKey}
disabled={!apiKeyInput.trim() ||
apiKeyState === 'validating' ||
apiKeyState === 'success'}
class="flex-1"
>
{#if apiKeyState === 'validating'}
<RefreshCw class="h-4 w-4 animate-spin" />
Validating...
{:else if apiKeyState === 'success'}
Success!
{:else}
Save & Retry
{/if}
</Button>
<Button
onclick={() => {
showApiKeyInput = false;
apiKeyState = 'idle';
apiKeyError = '';
}}
variant="outline"
class="flex-1"
disabled={apiKeyState === 'validating'}
>
Cancel
</Button>
</div>
</div>
{/if}
{#if showRetry}
<div in:fly={{ y: 10, duration: 300, delay: 200 }}>
<Button onclick={handleRetryConnection} disabled={isServerLoading} class="w-full">
{#if isServerLoading}
<RefreshCw class="h-4 w-4 animate-spin" />
Connecting...
{:else}
<RefreshCw class="h-4 w-4" />
Retry Connection
{/if}
</Button>
</div>
{/if}
{#if showTroubleshooting}
<div class="mt-4 text-left" in:fly={{ y: 10, duration: 300, delay: 400 }}>
<details class="text-sm">
<summary class="cursor-pointer text-muted-foreground hover:text-foreground">
Troubleshooting
</summary>
<div class="mt-2 space-y-3 text-xs text-muted-foreground">
<div class="space-y-2">
<p class="mb-4 font-medium">Start the llama-server:</p>
<div class="rounded bg-muted/50 px-2 py-1 font-mono text-xs">
<p>llama-server -hf ggml-org/gemma-3-4b-it-GGUF</p>
</div>
<p>or</p>
<div class="rounded bg-muted/50 px-2 py-1 font-mono text-xs">
<p class="mt-1">llama-server -m locally-stored-model.gguf</p>
</div>
</div>
<ul class="list-disc space-y-1 pl-4">
<li>Check that the server is accessible at the correct URL</li>
<li>Verify your network connection</li>
<li>Check server logs for any error messages</li>
</ul>
</div>
</details>
</div>
{/if}
</div>
</div>
|