glowers-radio/lib/RadioSource.js

"use-strict";
const { objSerialize, objBulkSet } = require("./util.js")
const { RadioMetadata } = require("./RadioMetadata.js")
const { RadioPreview } = require("./RadioPreview.js")

/**
 * @public
 * @constructor
 * @params {string} type
 * @params {string[]} [codecs] codecs
 * @returns {RadioSource}
 */
const RadioSource = function (type, codecs) {
    this.type = type
    this.uri = null
    this.previews = []
    this.setTypeWCodec(type, codecs)
    return this
}

/**
 * @public
 * @params {string} type
 * @params {string[]} [codecs] codecs
 * @returns {RadioSource}
 */
RadioSource.new = (type, codecs) => new RadioSource(type, codecs)

/**
 * @public
 * @params {string} uri
 * @returns {RadioSource}
 */
RadioSource.prototype.setURI = function (uri) { this.uri = uri; return this }

/**
 * Set metadata that specifically applies to *this* source. Used for items where the audio has a different attribution than
 * the video.
 * @public
 * @params {string|undefined} title
 * @params {string|undefined} artist
 * @params {URL|string|undefined} [href] href
 * @params {string} [extra] extra Playback effects. i.e: Pitch, speed
 * @returns {RadioSource}
 */
RadioSource.prototype.setMetadata = function (title, artist, href, extra) {
    if (!this.metadata)
        this.metadata = RadioMetadata.new()
    objBulkSet(this, "metadata", { title, artist, href, extra });
    return this
}


/**
 * @public
 * @params {RadioPlaybackInfo} playbackInfo
 * @returns {RadioSource}
 */
RadioSource.prototype.setPlaybackInfo = function (playbackInfo) { this.playbackinfo = playbackInfo; return this; }

/**
 * @public
 * @params {string} uri
 * @returns {RadioSource}
 */
RadioSource.prototype.setTypeWCodec = function (type, codecs) {
    this.type = type
    this.codecs = codecs?.length ? codecs : undefined
    return this
}

/**
 * @public
 * @params {string} uri
 * @params {string} type
 * @params {string} size
 * @params {EDisplayType} [displayType] displayType
 * @returns {RadioSource}
 */
/**
 * @public
 * @params {string} uri
 * @params {string} type
 * @params {string[]} codecs
 * @params {String} size
 * @params {EDisplayType} [displayType] displayType
 * @returns {RadioSource}
 */
RadioSource.prototype.addPreview = function () {
    let uri, type, codecs, size, displayType
    if (typeof arguments[0] == "string" && typeof arguments[1] == "string" && arguments[2] instanceof Array) {
        uri = arguments[0]
        type = arguments[1]
        codecs = arguments[2]
        size = arguments[3]
        displayType = arguments[4]
    } else if (typeof arguments[0] == "string" && typeof arguments[1] == "string" && typeof arguments[2] == "string") {
        uri = arguments[0]
        type = arguments[1]
        size = arguments[2]
        displayType = arguments[3]
    } else
        throw new TypeError("Could not recognize arguments. Expecting [ LString, LString, LString, ...?] or [ LString, LString, LString[], ...?]")

    this.previews.push(RadioPreview.new(uri, type, codecs, size, displayType))
    return this
}

/**
 * @deprecated
 * @returns {Object}
 */
RadioSource.prototype.serialize = function () {
    return objSerialize(this, [
        "type",
        "codecs",
        "uri"
    ], (obj, self) => ({
        ...obj,
        "metadata": self.metadata ? self.metadata.serialize() : undefined,
        "playbackinfo": self.playbackinfo ? self.playbackinfo.serialize() : undefined,
        "previews": this.previews.map(preview => preview.serialize(obj))
    }))
}

module.exports = { RadioSource }