import { StabilityAiApiClient } from "../stabilityAi/stabilityAiApiClient.js";
import open from "open";
import { z } from "zod";
import { ResourceContext } from "../resources/resourceClient.js";
import { getResourceClient } from "../resources/resourceClientFactory.js";
const UpscaleFastArgsSchema = z.object({
imageFileUri: z.string(),
outputImageFileName: z.string(),
});
export type UpscaleFastArgs = z.infer<typeof UpscaleFastArgsSchema>;
export const upscaleFastToolDefinition = {
name: "stability-ai-upscale-fast",
description: `Cheap and fast tool to enhance image resolution by 4x.`,
inputSchema: {
type: "object",
properties: {
imageFileUri: {
type: "string",
description: `The URI to the image file. It should start with file://`,
},
outputImageFileName: {
type: "string",
description:
"The desired name of the output image file, no file extension. Make it descriptive but short. Lowercase, dash-separated, no special characters.",
},
},
required: ["imageFileUri", "outputImageFileName"],
},
};
export async function upscaleFast(
args: UpscaleFastArgs,
context: ResourceContext
) {
const validatedArgs = UpscaleFastArgsSchema.parse(args);
const resourceClient = getResourceClient();
const imageFilePath = await resourceClient.resourceToFile(
validatedArgs.imageFileUri,
context
);
const client = new StabilityAiApiClient(process.env.STABILITY_AI_API_KEY!);
try {
const response = await client.upscaleFast(imageFilePath);
const imageAsBase64 = response.base64Image;
const filename = `${validatedArgs.outputImageFileName}.png`;
const resource = await resourceClient.createResource(
filename,
imageAsBase64
);
if (resource.uri.includes("file://")) {
const file_location = resource.uri.replace("file://", "");
open(file_location);
}
return {
content: [
{
type: "text",
text: `Processed image "${validatedArgs.imageFileUri}" to upscale by 4x`,
},
{
type: "resource",
resource: resource,
},
{
type: "text",
text: `Let the user know that they can now call upscale-creative to further increase the quality of the image if this result isn't good enough for them.`,
},
],
};
} catch (error) {
const errorMessage =
error instanceof Error ? error.message : "Unknown error";
return {
content: [
{
type: "text",
text: `Failed to upscale image: ${errorMessage}`,
},
],
};
}
}