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90 lines
2.5 KiB
JavaScript
90 lines
2.5 KiB
JavaScript
const { HA_URL, TOKEN, TRANSITION_DURATION_DIVIDER } = require("./env.js");
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const { sleep } = require("./util.js");
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const latest_color = require("./latest_color.js");
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const { getConfig } = require("./get-config.js");
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const { lights } = getConfig();
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async function send_color(
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light_data,
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color,
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max_brightness,
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duration = 0.18,
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debug = false
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) {
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const brightness = (color[0] + color[1] + color[2]) / 3 / 255;
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if (debug) {
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console.log({
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light_data,
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sum: color[0] + color[1] + color[2],
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brightness,
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});
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}
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let body = { entity_id: `light.${light_data.id}`, transition: 0.18 };
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if (light_data.type == "rgb") {
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body.rgb_color = color;
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body.brightness = Math.floor(Math.max(...color) * max_brightness);
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} else {
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// body.brightness = Math.max(1, Math.round(255 * brightness)); // 0 seems to turn it off and make it slower to react
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body.brightness = Math.floor(Math.max(...color) * max_brightness);
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}
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if (debug) {
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console.log("sending", body);
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}
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return fetch(`${HA_URL}/api/services/light/turn_on`, {
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method: "POST",
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headers: {
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Authorization: `Bearer ${TOKEN}`,
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"Content-Type": "application/x-www-form-urlencoded",
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},
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body: JSON.stringify(body),
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}).then(async (response) => {
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if (debug) {
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console.log(await response.text());
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}
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});
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}
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module.exports = async function light_loop(light_index, max_brightness, debug) {
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light_index = parseInt(light_index);
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let duration = 0.18; // 180ms - the default for start, will be adjusted later based on how long did the http request take
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let last_color = [0, 0, 0];
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while (true) {
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last_time = Date.now();
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const from = 3 * light_index;
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const to = 3 * (light_index + 1);
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const current_color = latest_color.get().slice(from, to);
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let is_changed = false;
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for (i in last_color) {
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if (last_color[i] != current_color[i]) {
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is_changed = true;
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break;
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}
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}
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if (is_changed) {
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if (debug) {
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console.time(`light ${light_index} http request took`);
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}
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const before = Date.now();
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await send_color(
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lights[light_index],
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current_color,
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max_brightness,
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duration,
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debug
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);
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const after = Date.now();
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duration = (after - before) / 1000 / TRANSITION_DURATION_DIVIDER;
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if (debug) {
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console.timeEnd(`light ${light_index} http request took`);
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}
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last_color = current_color;
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} else {
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await sleep(10);
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}
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}
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};
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