settings_migrator.js

"use strict";

const DefaultSettings = {
	"skills": {
		"6": [ // Priest
			19, // Focus Heal
			37 // Immersion
		],
		"7": [ // Mystic
			5, // Titanic Favor
			9 // Arun's Cleansing Touch
		]
	},

	"autoCast": true, // true = skills auto lockon and cast. false = pre-lockon onto targets and casting is done manually
	"autoHeal": true, // enable healing skills
	"autoCleanse": true, // enable mystic cleanse
	"onlyDebuff": true, // cleanse only players with debuffs (uses debuffData.json file)
	"hpCutoff": 97, // (healing only) ignore members that have more HP% than this
	"maxDistance": 35, // in-game meters. can work up to 35m
	"lockSpeed": 5, // delay for locking on targets. Possible to specify two values as array to select at random.
	"castSpeed": 10 // delay for casting skills. castSpeed needs to be greater than lockSpeed. Possible to specify two values as array to select at random.
};

module.exports = function MigrateSettings(from_ver, to_ver, settings) {
	if (from_ver === undefined) {
		// Migrate legacy config file
		return { ...DefaultSettings, ...settings };
	} else if (from_ver === null) {
		// No config file exists, use default settings
		return DefaultSettings;
	} else {
		// Migrate from older version (using the new system) to latest one
		if (from_ver + 1 < to_ver) {
			// Recursively upgrade in one-version steps
			settings = MigrateSettings(from_ver, from_ver + 1, settings);
			return MigrateSettings(from_ver + 1, to_ver, settings);
		}

		const oldsettings = settings;
		settings = Object.assign(DefaultSettings, {});

		// If we reach this point it's guaranteed that from_ver === to_ver - 1, so we can implement
		// a switch for each version step that upgrades to the next version. This enables us to
		// upgrade from any version to the latest version without additional effort!
		switch (to_ver) {
			// keep old settings, add new ones
			default:
				for (const option in oldsettings) {
					if (settings[option]) {
						settings[option] = oldsettings[option];
					}
				}

				if (from_ver < to_ver) console.log(`[Auto Heal] Your settings have been updated to version ${ to_ver }. You can edit the new config file after the next relog.`);
				break;
		}

		return settings;
	}
};