70 lines
2.6 KiB
JavaScript
70 lines
2.6 KiB
JavaScript
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#!/usr/bin/env node
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'use strict';
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/**
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* Mock ProPresenter looks API, for developing the ProPresenter Look module
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* without the real thing.
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*
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* node tools/pp-looks-mock.js [port] (default 1601)
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* --every <seconds> how often the live look changes (default 8)
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* --password <pw> demand ?password=<pw> like a locked ProPresenter
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* --no-list answer 404 for /v1/looks (an older ProPresenter)
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*
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* Point the module at host 127.0.0.1 and this port. Every few changes the
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* live look is "modified by hand", so it matches no saved look.
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*/
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const http = require('http');
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const crypto = require('crypto');
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const args = process.argv.slice(2);
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const flag = (name) => {
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const i = args.indexOf(name);
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return i >= 0 ? args[i + 1] : undefined;
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};
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const port = Number(args.find((a) => /^\d+$/.test(a))) || 1601;
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const every = Number(flag('--every')) || 8;
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const password = flag('--password') || '';
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const noList = args.includes('--no-list');
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const screen = (on) => ({ video_input: false, media: on, slide: on, announcements: on, props: on, messages: on, presentation: null, mask: null });
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const saved = ['Normal', 'Lyrics Only', 'Sermon', 'Countdown', 'Video Only'].map((name, index) => ({
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id: { uuid: crypto.randomUUID(), name, index },
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screens: [screen(true), screen(index !== 4)],
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}));
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let live = 0;
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let modified = false;
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let changes = 0;
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const liveUuid = crypto.randomUUID();
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setInterval(() => {
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changes += 1;
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modified = changes % 4 === 0;
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if (!modified) live = (live + 1) % saved.length;
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console.log(`live look → ${saved[live].id.name}${modified ? ' (modified)' : ''}`);
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}, every * 1000);
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function currentLook() {
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return {
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id: { uuid: liveUuid, name: saved[live].id.name, index: modified ? saved.length : live },
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screens: saved[live].screens,
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};
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}
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http.createServer((req, res) => {
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const url = new URL(req.url, 'http://x');
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const send = (code, body) => {
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res.writeHead(code, { 'Content-Type': 'application/json' });
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res.end(body === undefined ? '' : JSON.stringify(body));
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};
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if (password && url.searchParams.get('password') !== password) return send(401, { error: 'password' });
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if (url.pathname === '/version') return send(200, { name: 'Mock', platform: 'mac', os_version: '15', host_description: 'ProPresenter 21.0 (mock)' });
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if (url.pathname === '/v1/looks') return noList ? send(404) : send(200, saved);
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if (url.pathname === '/v1/look/current') return send(200, currentLook());
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send(404);
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}).listen(port, () => {
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console.log(`mock ProPresenter looks on http://127.0.0.1:${port} — live look changes every ${every}s`);
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console.log(`live look → ${saved[live].id.name}`);
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});
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