"use strict";

const required = require("@validatem/required");
const defaultTo = require("@validatem/default-to");
const either = require("@validatem/either");
const anything = require("@validatem/anything");
const anyProperty = require("@validatem/any-property");
const arrayOf = require("@validatem/array-of");
const isFunction = require("@validatem/is-function");
const isString = require("@validatem/is-string");
const isInteger = require("@validatem/is-integer");
const isPositive = require("@validatem/is-positive");
const isValue = require("@validatem/is-value");
const isBoolean = require("@validatem/is-boolean");

const isMS = require("./is-ms");

module.exports = {
	backend: [ required, isValue("postgresql") ], // No other backends exist yet
	simulate: [ isBoolean, defaultTo(false) ],
	taskInterval: [ isMS ], // global rate limit
	database: anything, // FIXME: Validate various database options
	seed: arrayOf({
		id: [ required, isString ],
		tags: [ required, arrayOf(isString) ],
		data: [ required, anything ] // FIXME: Validate object
	}),
	tags: anyProperty({
		key: [ required, isString ],
		value: [ required, arrayOf(isString) ]
	}),
	tasks: anyProperty({
		key: [ required, isString ],
		value: [ required, {
			ttl: [ isMS ],
			taskInterval: [ isMS ],
			parallelTasks: [ defaultTo, either([
				[ isValue(Infinity) ],
				[ isInteger, isPositive ]
			])],
			version: [ defaultTo("0"), isString ],
			dependsOn: [ defaultTo([]), arrayOf(isString) ],
			run: [ required, isFunction ]
		}]
	})
};