const dotenv = require('dotenv').config();
const debug = process.env.DEBUG === "TRUE";
const { pins } = require('./config.json');

module.exports = {
    log(message) {
        if (debug) {
            console.log(message);
        }
    },
    gpio: {
        // Boot up sanity check during debug mode
        async debugInit() {
            module.exports.log('Resetting all output pins.');
            pins.forEach(async (pin) => {
                if (pin.mode === 'OUT') {
                    this.setPin(pin.board, pin.defaultState, err => {
                        if (err) throw err;
                        module.exports.log(`Set ${pin.key} pin to ${pin.defaultState}.`);
                    });
                };
            });
            for (const pin of pins) {
                switch (pin.mode) {
                    case 'OUT':
                        this.togglePin(pin.board, err => {
                            if (err) throw err;
                            module.exports.log(`Toggled ${pin.key}`);
                        });
                        // Wait 1000ms before toggling again.
                        await sleep(1000);
                        this.togglePin(pin.board, err => {
                            if (err) throw err;
                            module.exports.log(`Toggled ${pin.key}`);
                        });
                        break;
                    case 'IN':
                        this.readPin(pin.board, (err, state) => {
                            if (err) throw err;
                            module.exports.log(`${pin.key} state: ${state}`);
                        });
                    default:
                        break;
                }
            };
        }
    }
}