@viun/node-red-contrib-overview/nodes/change-recipe.js

Collection of nodes to control the Overview's smart AI cameras

module.exports = function(RED) {
    function ChangeRecipeNode(config) {
        RED.nodes.createNode(this, config);
        const node = this;

        node.hostname = config.hostname || 'localhost';
        node.port = config.port || '5001';
        node.recipeId = config.recipeId;

        node.on('input', function(msg, send, done) {
            if (!node.recipeId) {
                node.error('Recipe ID is required');
                done();
                return;
            }

            const http = require('http');
            const url = `http://${node.hostname}:${node.port}/recipe/activate`;

            const postData = JSON.stringify({
                id: node.recipeId
            });

            const options = {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json',
                    'Content-Length': Buffer.byteLength(postData)
                }
            };

            const req = http.request(url, options, (response) => {
                let data = '';
                
                response.on('data', (chunk) => {
                    data += chunk;
                });

                response.on('end', () => {
                    try {
                        const responseData = JSON.parse(data);
                        msg.payload = responseData;
                        
                        if (responseData.success) {
                            node.status({ fill: 'green', shape: 'dot', text: 'Recipe changed successfully' });
                        } else {
                            node.status({ fill: 'red', shape: 'ring', text: responseData.details || 'Recipe change failed' });
                        }  
                        send(msg);
                        done();
                    } catch (error) {
                        node.status({ fill: 'red', shape: 'ring', text: error.message });
                        node.error(error.message, msg);
                        done(error);
                    }
                });
            }).on('error', (error) => {
                node.status({ fill: 'red', shape: 'ring', text: 'Error: ' + error.message });
                node.error('Failed to change recipe: ' + error.message, msg);
                done(error);
            });

            req.write(postData);
            req.end();
        });
    }

    RED.nodes.registerType('change recipe', ChangeRecipeNode);
};