Files
dotfiles/.pi/agent/extensions/question.ts
alex wiesner 18245c778e changes
2026-04-09 11:31:06 +01:00

399 lines
12 KiB
TypeScript

import type { ExtensionAPI } from "@mariozechner/pi-coding-agent";
import { Editor, type EditorTheme, Key, matchesKey, Text, truncateToWidth } from "@mariozechner/pi-tui";
import { Type } from "@sinclair/typebox";
import {
allQuestionsAnswered,
createAnsweredResult,
createCancelledResult,
createCustomAnswer,
createPredefinedAnswer,
isSomethingElseOption,
nextTabAfterAnswer,
normalizeQuestions,
summarizeAnswers,
wrapPrefixedText,
} from "./question-core.mjs";
interface QuestionOption {
value: string;
label: string;
description?: string;
}
interface Question {
id: string;
label: string;
prompt: string;
options: QuestionOption[];
}
interface Answer {
id: string;
value: string;
label: string;
wasCustom: boolean;
index?: number;
}
interface QuestionResult {
questions: Question[];
answers: Answer[];
cancelled: boolean;
}
const OptionSchema = Type.Object({
value: Type.String({ description: "Machine-friendly value returned to the model" }),
label: Type.String({ description: "Human-friendly label shown in the UI" }),
description: Type.Optional(Type.String({ description: "Optional help text shown under the label" })),
});
const QuestionSchema = Type.Object({
id: Type.String({ description: "Stable identifier for the answer" }),
label: Type.Optional(Type.String({ description: "Short label for summaries and tabs" })),
prompt: Type.String({ description: "Full question text shown to the user" }),
options: Type.Array(OptionSchema, { description: "Predefined options for the user to choose from" }),
});
const QuestionParams = Type.Object({
questions: Type.Array(QuestionSchema, { description: "One or more questions to ask the user" }),
});
function errorResult(message: string, questions: Question[] = []) {
return {
content: [{ type: "text" as const, text: message }],
details: createCancelledResult(questions) as QuestionResult,
};
}
async function runQuestionFlow(ctx: any, questions: Question[]): Promise<QuestionResult> {
return ctx.ui.custom<QuestionResult>((tui, theme, _kb, done) => {
const isMulti = questions.length > 1;
let currentTab = 0;
let optionIndex = 0;
let inputMode = false;
let cachedLines: string[] | undefined;
const answers = new Map<string, Answer>();
const editorTheme: EditorTheme = {
borderColor: (text) => theme.fg("accent", text),
selectList: {
selectedPrefix: (text) => theme.fg("accent", text),
selectedText: (text) => theme.fg("accent", text),
description: (text) => theme.fg("muted", text),
scrollInfo: (text) => theme.fg("dim", text),
noMatch: (text) => theme.fg("warning", text),
},
};
const editor = new Editor(tui, editorTheme);
function refresh() {
cachedLines = undefined;
tui.requestRender();
}
function currentQuestion(): Question | undefined {
return questions[currentTab];
}
function currentOptions(): QuestionOption[] {
return currentQuestion()?.options ?? [];
}
function finish(cancelled: boolean) {
if (cancelled) {
done(createCancelledResult(questions) as QuestionResult);
return;
}
done(createAnsweredResult(questions, Array.from(answers.values())) as QuestionResult);
}
editor.onSubmit = (value) => {
const question = currentQuestion();
const trimmed = value.trim();
if (!question || trimmed.length === 0) {
refresh();
return;
}
answers.set(question.id, createCustomAnswer(question.id, trimmed) as Answer);
inputMode = false;
editor.setText("");
if (!isMulti) {
finish(false);
return;
}
currentTab = nextTabAfterAnswer(currentTab, questions.length);
optionIndex = 0;
refresh();
};
function handleInput(data: string) {
if (inputMode) {
if (matchesKey(data, Key.escape)) {
inputMode = false;
editor.setText("");
refresh();
return;
}
editor.handleInput(data);
refresh();
return;
}
if (isMulti) {
if (matchesKey(data, Key.tab) || matchesKey(data, Key.right)) {
currentTab = (currentTab + 1) % (questions.length + 1);
optionIndex = 0;
refresh();
return;
}
if (matchesKey(data, Key.shift("tab")) || matchesKey(data, Key.left)) {
currentTab = (currentTab - 1 + questions.length + 1) % (questions.length + 1);
optionIndex = 0;
refresh();
return;
}
if (currentTab === questions.length) {
if (matchesKey(data, Key.enter) && allQuestionsAnswered(questions, answers)) {
finish(false);
return;
}
if (matchesKey(data, Key.escape)) {
finish(true);
return;
}
return;
}
}
const question = currentQuestion();
const options = currentOptions();
if (!question || options.length === 0) {
return;
}
if (matchesKey(data, Key.up)) {
optionIndex = Math.max(0, optionIndex - 1);
refresh();
return;
}
if (matchesKey(data, Key.down)) {
optionIndex = Math.min(options.length - 1, optionIndex + 1);
refresh();
return;
}
if (matchesKey(data, Key.enter)) {
const selected = options[optionIndex]!;
if (isSomethingElseOption(selected)) {
inputMode = true;
editor.setText("");
refresh();
return;
}
answers.set(question.id, createPredefinedAnswer(question.id, selected, optionIndex + 1) as Answer);
if (!isMulti) {
finish(false);
return;
}
currentTab = nextTabAfterAnswer(currentTab, questions.length);
optionIndex = 0;
refresh();
return;
}
if (matchesKey(data, Key.escape)) {
finish(true);
}
}
function render(width: number): string[] {
if (cachedLines) return cachedLines;
const lines: string[] = [];
const add = (line: string) => lines.push(truncateToWidth(line, width));
const question = currentQuestion();
const options = currentOptions();
function addWrapped(text: string, color: string, firstPrefix = "", continuationPrefix = firstPrefix) {
for (const line of wrapPrefixedText(text, width, firstPrefix, continuationPrefix)) {
add(theme.fg(color, line));
}
}
function addWrappedOption(option: QuestionOption, index: number, selected: boolean) {
const firstPrefix = `${selected ? "> " : " "}${index + 1}. `;
const continuationPrefix = " ".repeat(firstPrefix.length);
addWrapped(option.label, selected ? "accent" : "text", firstPrefix, continuationPrefix);
if (option.description) {
addWrapped(option.description, "muted", " ");
}
}
function addWrappedReviewAnswer(questionLabel: string, value: string) {
const firstPrefix = ` ${questionLabel}: `;
const continuationPrefix = " ".repeat(firstPrefix.length);
const wrapped = wrapPrefixedText(value, width, firstPrefix, continuationPrefix);
for (let index = 0; index < wrapped.length; index += 1) {
const prefix = index === 0 ? firstPrefix : continuationPrefix;
const line = wrapped[index]!;
add(theme.fg("muted", prefix) + theme.fg("text", line.slice(prefix.length)));
}
}
add(theme.fg("accent", "─".repeat(width)));
if (isMulti) {
const tabs: string[] = [];
for (let index = 0; index < questions.length; index += 1) {
const tabQuestion = questions[index]!;
const active = index === currentTab;
const answered = answers.has(tabQuestion.id);
const box = answered ? "■" : "□";
const text = ` ${box} ${tabQuestion.label} `;
tabs.push(active ? theme.bg("selectedBg", theme.fg("text", text)) : theme.fg(answered ? "success" : "muted", text));
}
const submitText = " ✓ Submit ";
const submitActive = currentTab === questions.length;
const submitReady = allQuestionsAnswered(questions, answers);
tabs.push(
submitActive
? theme.bg("selectedBg", theme.fg("text", submitText))
: theme.fg(submitReady ? "success" : "dim", submitText),
);
add(` ${tabs.join(" ")}`);
lines.push("");
}
if (inputMode && question) {
addWrapped(question.prompt, "text", " ");
lines.push("");
for (let index = 0; index < options.length; index += 1) {
addWrappedOption(options[index]!, index, index === optionIndex);
}
lines.push("");
add(theme.fg("muted", " Your answer:"));
for (const line of editor.render(Math.max(1, width - 2))) {
add(` ${line}`);
}
} else if (isMulti && currentTab === questions.length) {
add(theme.fg("accent", theme.bold(" Ready to submit")));
lines.push("");
for (const reviewQuestion of questions) {
const answer = answers.get(reviewQuestion.id);
if (!answer) continue;
const label = answer.wasCustom ? `(wrote) ${answer.label}` : `${answer.index}. ${answer.label}`;
addWrappedReviewAnswer(reviewQuestion.label, label);
}
lines.push("");
if (allQuestionsAnswered(questions, answers)) {
add(theme.fg("success", " Press Enter to submit"));
} else {
add(theme.fg("warning", " All questions must be answered before submit"));
}
} else if (question) {
addWrapped(question.prompt, "text", " ");
lines.push("");
for (let index = 0; index < options.length; index += 1) {
addWrappedOption(options[index]!, index, index === optionIndex);
}
}
lines.push("");
if (inputMode) {
add(theme.fg("dim", " Enter to submit • Esc to go back"));
} else if (isMulti) {
add(theme.fg("dim", " Tab/←→ navigate • ↑↓ select • Enter confirm • Esc cancel"));
} else {
add(theme.fg("dim", " ↑↓ navigate • Enter select • Esc cancel"));
}
add(theme.fg("accent", "─".repeat(width)));
cachedLines = lines;
return lines;
}
return {
render,
invalidate: () => {
cachedLines = undefined;
},
handleInput,
};
});
}
export default function question(pi: ExtensionAPI) {
pi.registerTool({
name: "question",
label: "Question",
description:
"Ask the user one or more multiple-choice questions. Every question automatically gets a final Something else… option for free-text answers.",
parameters: QuestionParams,
async execute(_toolCallId, params, _signal, _onUpdate, ctx) {
if (!ctx.hasUI) {
return errorResult("Error: UI not available (running in non-interactive mode)");
}
if (params.questions.length === 0) {
return errorResult("Error: No questions provided");
}
const questions = normalizeQuestions(params.questions) as Question[];
const result = await runQuestionFlow(ctx, questions);
if (result.cancelled) {
return {
content: [{ type: "text", text: "User cancelled the question flow" }],
details: result,
};
}
return {
content: [{ type: "text", text: summarizeAnswers(result.questions, result.answers).join("\n") }],
details: result,
};
},
renderCall(args, theme) {
const questions = Array.isArray(args.questions) ? args.questions : [];
const labels = questions
.map((question: { label?: string; id?: string }) => question.label || question.id)
.filter(Boolean)
.join(", ");
let text = theme.fg("toolTitle", theme.bold("question "));
text += theme.fg("muted", `${questions.length} question${questions.length === 1 ? "" : "s"}`);
if (labels) {
text += theme.fg("dim", ` (${labels})`);
}
return new Text(text, 0, 0);
},
renderResult(result, _options, theme) {
const details = result.details as QuestionResult | undefined;
if (!details) {
const first = result.content[0];
return new Text(first?.type === "text" ? first.text : "", 0, 0);
}
if (details.cancelled) {
return new Text(theme.fg("warning", "Cancelled"), 0, 0);
}
const lines = summarizeAnswers(details.questions, details.answers).map(
(line) => `${theme.fg("success", "✓ ")}${line}`,
);
return new Text(lines.join("\n"), 0, 0);
},
});
}