43 lines
1.7 KiB
TypeScript
43 lines
1.7 KiB
TypeScript
import { applyTimeControls } from '@/lib/sim/engine';
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// POST /api/sim — set sim time controls (v0.7.0). Body: { timeScale?: 1–64, paused?: boolean }.
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// Ticks the clock first (so the response reflects current game time), then applies
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// and persists the new controls. Returns the updated simState.
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export async function POST(req: Request) {
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let body: unknown;
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try {
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const text = await req.text();
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body = text ? JSON.parse(text) : {};
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} catch {
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return Response.json({ error: 'invalid JSON body' }, { status: 400 });
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}
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if (typeof body !== 'object' || body === null || Array.isArray(body)) {
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return Response.json({ error: 'body must be a JSON object' }, { status: 400 });
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}
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const input = body as Record<string, unknown>;
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for (const key of Object.keys(input)) {
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if (key !== 'timeScale' && key !== 'paused') {
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return Response.json({ error: `unknown field "${key}"` }, { status: 400 });
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}
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}
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if (input.timeScale !== undefined && (typeof input.timeScale !== 'number' || !Number.isFinite(input.timeScale))) {
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return Response.json({ error: 'timeScale must be a finite number (1–64)' }, { status: 400 });
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}
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if (input.paused !== undefined && typeof input.paused !== 'boolean') {
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return Response.json({ error: 'paused must be a boolean' }, { status: 400 });
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}
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try {
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const sim = await applyTimeControls({
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timeScale: input.timeScale as number | undefined,
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paused: input.paused as boolean | undefined,
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});
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return Response.json({ clockMs: sim.clockMs, timeScale: sim.timeScale, paused: sim.paused });
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} catch (err) {
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console.error('failed to apply sim controls', err);
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return Response.json({ error: 'failed to apply sim controls' }, { status: 500 });
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}
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}
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