use mod.flow.*

/** Optional OCR instruction; empty uses Chandra's transcription prompt. */
let prompt = Input{ type: @text  default: ""  at: vec2(40, 80) }

/** The scanned page to transcribe. */
let image = Input{ type: @image  at: vec2(40, 240) }

let ocr = Gen{
    kind: @gen
    domain: "ocr"
    type_name: "Ocr"
    prompt: prompt.text()
    image: image.image()
    max_tokens: 12384
    model: "chandra-ocr-2"
    ports: { in: {prompt: @text, image: @image}, out: {text: @text} }
    text: fn() { self.out(@text) }
    ui: mod.flow.ui.GenFace
    at: vec2(360, 160)
}

/** The page transcription as HTML text. */
let transcription = Output{ type: @text  value: ocr.text()  at: vec2(680, 160) }

Flow{
    label: "OCR"
    brief: "Transcribes a scanned page into HTML with the hub's OCR domain."
    prompt, image, ocr, transcription
}