/**
 * Example listing supported KNX datapoints.
 *
 * Written in Italy with love, sun and passion, by Massimo Saccani.
 *
 * Released under the MIT License.
 * Use at your own risk; the author assumes no liability for damages.
 */

import { dptlib } from "../src";

// Get a list of supported datapoints
// With this function, you can see what datapoints are supported and a sample on how you need to format the payload to be sent.
// ######################################
// Helpers
// Sort helper used across the transformations below
const sortBy = (field) => (a, b) => {
    if (a[field] > b[field]) { return 1 } else { return -1 }
};
// Filter out non-DPT entries from dptlib.dpts
const onlyDptKeys = (kv) => {
    return kv[0].startsWith("DPT")
};
// Map to base type metadata (strip prefix, retain subtype listing)
const extractBaseNo = (kv) => {
    return {
        subtypes: kv[1].subtypes,
        base: parseInt(kv[1].id.replace("DPT", ""))
    }
};
// Turn each subtype entry into a printable label/value pair
const convertSubtype = (baseType) => (kv) => {
    let value = `${baseType.base}.${kv[0]}`;
    //let sRet = value + " " + kv[1].name + (kv[1].unit === undefined ? "" : " (" + kv[1].unit + ")");
    let sRet = value + " " + kv[1].name;
    return {
        value: value
        , text: sRet
    }
}
const toConcattedSubtypes = (acc, baseType) => {
    let subtypes =
        Object.entries(baseType.subtypes)
            .sort(sortBy(0))
            .map(convertSubtype(baseType))

    return acc.concat(subtypes)
};
// Return the sample/helplink string for the given DPT
const dptGetHelp = dpt => {
    var sDPT = dpt.split(".")[0]; // Takes only the main type
    var jRet;
    if (sDPT == "0") { // Special fake datapoint, meaning "Universal Mode"
        jRet = {
            "help":
                ``, "helplink": "https://github.com/Supergiovane/node-red-contrib-knx-ultimate/wiki"
        };
        return (jRet);
    }
    jRet = { "help": "No sample currently avaiable", "helplink": "https://github.com/Supergiovane/node-red-contrib-knx-ultimate/wiki/-SamplesHome" };
    const dpts =
        Object.entries(dptlib.dpts)
            .filter(onlyDptKeys)
    for (let index = 0; index < dpts.length; index++) {
        if (dpts[index][0].toUpperCase() === "DPT" + sDPT) {
            jRet = { "help": (dpts[index][1].basetype.hasOwnProperty("help") ? dpts[index][1].basetype.help : "No sample currently avaiable, just pass the payload as is it"), "helplink": (dpts[index][1].basetype.hasOwnProperty("helplink") ? dpts[index][1].basetype.helplink : "https://github.com/Supergiovane/node-red-contrib-knx-ultimate/wiki/-SamplesHome") };
            break;
        }
    }
    return (jRet);
}
const dpts =
    Object.entries(dptlib.dpts)
        .filter(onlyDptKeys)
        .map(extractBaseNo)
        .sort(sortBy("base"))
        .reduce(toConcattedSubtypes, [])
dpts.forEach(element => {
    // Print the friendly name + helper text (when available)
    console.log(element.text + " USAGE: " + dptGetHelp(element.value).help);
    console.log(" ");
});
// ######################################