");
		}

		$key = Gemini::get_key();

		$uri = $this->upload_file($file, $key);

		
		$ob = [
		  "contents" => [
			[
			  "parts" => [
				[
				  "text" => "Summarize this document. In addition provide me the title of the document as the first line, surrounded by { and }. If it is all in capitals, re-capitalize it to make it easier to read. On the second line give the document order number surrounded by [ and ].",
				],
				[
				  "file_data" => [
					"mime_type" => $file->mime(),
					"file_uri" => $uri
				  ]
				]
			  ]
			]
		  ]
		];

		$json = json_encode($ob, JSON_PRETTY_PRINT);

		if ($this->verbose) {
			print("AI reuqest: " . $json . "\n");
			flush();
		}
		set_time_limit(300);


		if ($cb) $cb("Sending request");

		$h = new HTTPRequest();
		$r = $h->post($this->root . "/v1beta/models/gemini-2.5-flash-lite:generateContent", $json, [
			"x-goog-api-key: " . $key,
			"Content-Type: application/json"
		]);

		if ($cb) $cb("Processing response");

		if ($this->verbose) {
			print("AI Response:\n");
			print_r($h);
			flush();
		}

		$resp = json_decode($h->body);

		if ($r != 200) {
			if (@$resp->error) {
				throw new Exception($resp->error->message, $resp->error->code);
			} else {
				throw new Exception("HTTP Error $r requesting AI assistance", $r);
			}
		}

		if (property_exists($resp, "candidates")) {
			$text = $resp->candidates[0]->content->parts[0]->text;
			$lines = explode("\n", $text);

			$lastLine = "";
			$out = [];
			foreach ($lines as $line) {
				if (str_starts_with($line, "* ") and !str_starts_with($lastLine, "* ")) {
					$lastLine = $line;
					$line = "\n" . $line;
				} else if (str_starts_with($line, "1. ") and (trim($lastLine) != "")) {
					$lastLine = $line;
					$line = "\n" . $line;
				} else {
					$lastLine = $line;
				}

				$out[] = $line;
			}

		
			return implode("\n", $out);
		}

		throw new Exception("Content missing processing AI data", 0);
	}

	public function upload_callback(callable $cb) {
		$this->_upload_callback = $cb;
	}

	public function process_callback(callable $cb) {
		$this->_process_callback = $cb;
	}
}