Refactor file drop zone component

src/lib/components/form/FileDropZone.svelte

@@ -1,72 +1,59 @@
 <script lang="ts">
-	import { toast } from 'svelte-sonner';
+	import { MAX_FILE_SIZE_MB } from '$validations/imageValidationZodSchema';
 
-	import {
-		MAX_FILE_SIZE_MB,
-		imageValidationZodSchema
-	} from '$validations/imageValidationZodSchema';
+	export let chosenImageFile: File | null = null;
+	export let errorMessage: object | undefined = undefined;
 
 	let uploadedImageUrl: string | null = null;
 
 	function handleImageUpload(event: Event) {
-		const input = event.target as HTMLInputElement;
+		const input = event.currentTarget as HTMLInputElement | null;
 
-		if (input.files?.[0]) {
-			const file = input.files[0];
-			const imageValidationResult = imageValidationZodSchema.safeParse({ uploadedImage: file });
+		chosenImageFile = input?.files?.item(0) as File;
 
-			if (!imageValidationResult.success) {
-				const errorMessage =
-					imageValidationResult.error.errors[0]?.message || 'An unexpected error occurred';
-
-				toast.error(errorMessage);
-
-				// Reset input to allow re-triggering upload of the same file, enabling error message display on repeated attempts.
-				input.value = '';
-
-				return;
-			}
-
-			try {
-				// Revoke the old URL if it exists
-				uploadedImageUrl && URL.revokeObjectURL(uploadedImageUrl);
-				uploadedImageUrl = URL.createObjectURL(file);
-
-				// Reset caption when a new image is uploaded
-			} catch (e) {
-				toast.error('Failed to upload image. Please try again.');
-			}
+		// Revoke the old URL if it exists
+		if (uploadedImageUrl) {
+			URL.revokeObjectURL(uploadedImageUrl);
 		}
+
+		uploadedImageUrl = URL.createObjectURL(chosenImageFile);
 	}
 </script>
 
-<label
-	class="relative grid place-content-center justify-items-center gap-2 rounded-md border-2 border-dashed border-foreground/30 p-4 text-center text-sm transition-colors duration-300 hover:bg-accent/40"
->
-	<input
-		type="file"
-		accept="image/*"
-		name="uploadedImage"
-		class="absolute left-0 top-0 size-full cursor-pointer opacity-0"
-		data-testid="file-drop-zone-input"
-		on:change={handleImageUpload}
-	/>
-
-	{#if uploadedImageUrl}
-		<img
-			src={uploadedImageUrl}
-			alt="Uploaded Preview"
-			class="max-h-28 rounded-md border border-foreground/10 object-contain"
+<fieldset class="space-y-2">
+	<label
+		class="relative grid gap-2 p-4 text-sm text-center transition-colors duration-300 border-2 border-dashed rounded-md place-content-center justify-items-center border-foreground/30 hover:bg-accent/40"
+	>
+		<input
+			type="file"
+			name="image"
+			accept="image/*"
+			on:input={handleImageUpload}
+			data-testId="file-drop-zone-input"
+			aria-invalid={errorMessage ? 'true' : undefined}
+			class="absolute top-0 left-0 opacity-0 cursor-pointer size-full"
 		/>
-	{:else}
-		<iconify-icon icon="flat-color-icons:add-image" class="text-5xl"></iconify-icon>
-
-		<p>
-			Upload image or drag and drop
 
-			<span class="text-sm text-muted-foreground">
-				(Max file size: {MAX_FILE_SIZE_MB}MB)
-			</span>
-		</p>
+		{#if uploadedImageUrl}
+			<img
+				src={uploadedImageUrl}
+				alt="Uploaded Preview"
+				class="object-contain border rounded-md max-h-28 border-foreground/10"
+			/>
+		{:else}
+			<iconify-icon icon="flat-color-icons:add-image" class="text-5xl"></iconify-icon>
+
+			<p>
+				Upload image or drag and drop
+
+				<span class="text-sm text-muted-foreground">
+					(Max file size: {MAX_FILE_SIZE_MB}MB)
+				</span>
+			</p>
+		{/if}
+	</label>
+
+	{#if errorMessage}
+		<p class="text-red-500">{errorMessage}</p>
 	{/if}
-</label>
+</fieldset>