"use strict";

const mergeByTemplate = require("./");

//----- Array merging ------//

// TODO: Document that the array-merging behaviour changes depending on whether the array in the template contains any items!
let mergeArray = mergeByTemplate.createMerger([ {
	prop: (a, b) => a + b
} ]);

let arrayA = [
	{ prop: 1 },
	{ prop: 2 }
];

let arrayB = [
	{ prop: 3 },
	{ prop: 4 }
];

let arrayC = [
	{ prop: 5 },
	{ prop: 6 }
];

console.log(mergeArray([ arrayA, arrayB, arrayC ])); // [ { prop: 9 }, { prop: 12 } ]

// TODO: Document merge functions, also for arrays

//----- Object merging ------//

let mergeConfiguration = mergeByTemplate.createMerger({
	// `null` makes it explicit that this property should be overridden as a single value, despite being an object - but leaving the property out entirely would have had the same result, so this is strictly for readability
	database: null,
	scripts: {},
	accessList: [],
	powerLevel: (a, b) => a + b
});

let defaultConfiguration = {
	database: {
		type: "socket",
		path: "/default"
	},
	scripts: {
		test: "echo 'no test configured'",
		publish: "npm publish"
	},
	accessList: [
		"maintainer-bot"
	],
	powerLevel: 8999
};

let customConfiguration = {
	database: {
		hostname: "localhost",
		port: "1234",
		username: "hello",
		password: "world"
	},
	scripts: {
		test: "node test.js",
		build: "node build.js"
	},
	accessList: [
		"real-person"
	],
	powerLevel: 2
};

console.log(mergeConfiguration([ defaultConfiguration, customConfiguration ])); /*
{
  database: {
    hostname: 'localhost',
    port: '1234',
    username: 'hello',
    password: 'world'
  },
  scripts: {
    test: 'node test.js',
    publish: 'npm publish',
    build: 'node build.js'
  },
  accessList: [ 'maintainer-bot', 'real-person' ],
  powerLevel: 9001
}
*/