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<script lang="ts">
import { RemoveButton } from '$lib/components/app';
import { formatFileSize, getFileTypeLabel, getPreviewText, isTextFile } from '$lib/utils';
import { AttachmentType } from '$lib/enums';
interface Props {
class?: string;
id: string;
onClick?: (event?: MouseEvent) => void;
onRemove?: (id: string) => void;
name: string;
readonly?: boolean;
size?: number;
textContent?: string;
// Either uploaded file or stored attachment
uploadedFile?: ChatUploadedFile;
attachment?: DatabaseMessageExtra;
}
let {
class: className = '',
id,
onClick,
onRemove,
name,
readonly = false,
size,
textContent,
uploadedFile,
attachment
}: Props = $props();
let isText = $derived(isTextFile(attachment, uploadedFile));
let fileTypeLabel = $derived.by(() => {
if (uploadedFile?.type) {
return getFileTypeLabel(uploadedFile.type);
}
if (attachment) {
if ('mimeType' in attachment && attachment.mimeType) {
return getFileTypeLabel(attachment.mimeType);
}
if (attachment.type) {
return getFileTypeLabel(attachment.type);
}
}
return getFileTypeLabel(name);
});
let pdfProcessingMode = $derived.by(() => {
if (attachment?.type === AttachmentType.PDF) {
const pdfAttachment = attachment as DatabaseMessageExtraPdfFile;
return pdfAttachment.processedAsImages ? 'Sent as Image' : 'Sent as Text';
}
return null;
});
</script>
{#if isText}
{#if readonly}
<!-- Readonly mode (ChatMessage) -->
<button
class="cursor-pointer rounded-lg border border-border bg-muted p-3 transition-shadow hover:shadow-md {className} w-full max-w-2xl"
onclick={onClick}
aria-label={`Preview ${name}`}
type="button"
>
<div class="flex items-start gap-3">
<div class="flex min-w-0 flex-1 flex-col items-start text-left">
<span class="w-full truncate text-sm font-medium text-foreground">{name}</span>
{#if size}
<span class="text-xs text-muted-foreground">{formatFileSize(size)}</span>
{/if}
{#if textContent}
<div class="relative mt-2 w-full">
<div
class="overflow-hidden font-mono text-xs leading-relaxed break-words whitespace-pre-wrap text-muted-foreground"
>
{getPreviewText(textContent)}
</div>
{#if textContent.length > 150}
<div
class="pointer-events-none absolute right-0 bottom-0 left-0 h-6 bg-gradient-to-t from-muted to-transparent"
></div>
{/if}
</div>
{/if}
</div>
</div>
</button>
{:else}
<!-- Non-readonly mode (ChatForm) -->
<button
class="group relative rounded-lg border border-border bg-muted p-3 {className} {textContent
? 'max-h-24 max-w-72'
: 'max-w-36'} cursor-pointer text-left"
onclick={onClick}
>
<div class="absolute top-2 right-2 opacity-0 transition-opacity group-hover:opacity-100">
<RemoveButton {id} {onRemove} />
</div>
<div class="pr-8">
<span class="mb-3 block truncate text-sm font-medium text-foreground">{name}</span>
{#if textContent}
<div class="relative">
<div
class="overflow-hidden font-mono text-xs leading-relaxed break-words whitespace-pre-wrap text-muted-foreground"
style="max-height: 3rem; line-height: 1.2em;"
>
{getPreviewText(textContent)}
</div>
{#if textContent.length > 150}
<div
class="pointer-events-none absolute right-0 bottom-0 left-0 h-4 bg-gradient-to-t from-muted to-transparent"
></div>
{/if}
</div>
{/if}
</div>
</button>
{/if}
{:else}
<button
class="group flex items-center gap-3 rounded-lg border border-border bg-muted p-3 {className} relative"
onclick={onClick}
>
<div
class="flex h-8 w-8 items-center justify-center rounded bg-primary/10 text-xs font-medium text-primary"
>
{fileTypeLabel}
</div>
<div class="flex flex-col gap-0.5">
<span
class="max-w-24 truncate text-sm font-medium text-foreground {readonly
? ''
: 'group-hover:pr-6'} md:max-w-32"
>
{name}
</span>
{#if pdfProcessingMode}
<span class="text-left text-xs text-muted-foreground">{pdfProcessingMode}</span>
{:else if size}
<span class="text-left text-xs text-muted-foreground">{formatFileSize(size)}</span>
{/if}
</div>
{#if !readonly}
<div class="absolute top-2 right-2 opacity-0 transition-opacity group-hover:opacity-100">
<RemoveButton {id} {onRemove} />
</div>
{/if}
</button>
{/if}
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