smartapp.js

const SmartApp = require('@smartthings/smartapp');
const weather = require('./lib/weather');


async function setColor(ctx) {
    const forecast = await weather.getForecast(ctx.configStringValue('zipCode'));
    const color = weather.getColorForForecast(forecast, ctx.configNumberValue('forecastInterval'));
    await ctx.api.devices.sendCommands(ctx.config.colorLight, [
        {
            capability: 'switch',
            command: 'on'
        },
        {
            capability: 'switchLevel',
            command: 'setLevel',
            arguments: [20]
        },
        {
            capability: 'colorControl',
            command: 'setColor',
            arguments: [color]
        }
    ]);
}

module.exports = new SmartApp()
    .configureI18n()
    .enableEventLogging(2) // logs all lifecycle event requests/responses as pretty-printed JSON. Omit in production
    .page('mainPage', (context, page, configData) => {
        page.section('forecast', section => {
            section.numberSetting('zipCode')
                .required(true);
            section.enumSetting('forecastInterval')
                .options([
                    { id: "3", name: "3 Hours" },
                    { id: "6", name: "6 Hours" },
                    { id: "9", name: "9 Hours" },
                    { id: "12", name: "12 Hours" }
                ])
                .defaultValue("3");
            section.enumSetting('scheduleInterval')
                .options([
                    { id: "15", name: "15 Minutes" },
                    { id: "30", name: "30 Minutes" },
                    { id: "45", name: "45 Minutes" },
                    { id: "60", name: "60 Minutes" }
                ])
                .defaultValue("15");
        });
        page.section('lights', section => {
            section.deviceSetting('colorLight')
                .capabilities(['colorControl', 'switch', 'switchLevel'])
                .permissions('rx')
                .required(true);
        });
    })
    .updated(async ctx => {
        // clear any previous configuration
        await ctx.api.schedules.delete();

        // switch light on to initial color
        await setColor(ctx);

        // schedule future changes
        await ctx.api.schedules.schedule('weatherHandler', `0/${ctx.configStringValue('scheduleInterval')} * * * ? *`, 'UTC');
    })
    .scheduledEventHandler('weatherHandler', setColor);