"use strict";

const Promise = require("bluebird");
const chalk = require("chalk");
const util = require("util");

function logCall(methodName, args) {
	console.log(`${chalk.bold.yellow.bgBlack(`${methodName} (simulated):`)} ${util.inspect(args, { colors: true, depth: null })}`);
}

module.exports = function (state) {
	const queries = require("../queries")(state);

	return function createSimulationMutationAPI({ tx, item, taskVersion }) {
		return {
			createItem: function (options) {
				logCall("createItem", {
					... options,
					update: (options.update != null)
						? options.update(item.data)
						: undefined
				});
			},
			renameItem: function (options) {
				logCall("renameItem", {
					... options
				});
			},
			mergeItem: function (options) {
				// FIXME: Visualize merges
				logCall("createItem", {
					... options
				});
			},
			deleteItem: function (options) {
				logCall("deleteItem", {
					... options
				});
			},
			createAlias: function (options) {
				logCall("createAlias", {
					... options
				});
			},
			deleteAlias: function (from) {
				logCall("deleteAlias", {
					from: from
				});
			},
			updateData: function (options) {
				logCall("updateData", {
					... options,
					update: (options.update != null)
						? options.update(item.data)
						: undefined
				});
			},
			updateMetadata: function (options) {
				return Promise.try(() => {
					return queries.getItem(tx, id);
				}).then((item) => {
					// FIXME: Visualize metadata update, actually merge with the correct thing
					// MARKER: Expose taskResults as an object mapping instead of an array, somehow
					logCall("updateMetadata", {
						... options,
						update: (options.update != null)
							? options.update(item.data)
							: undefined
					});
				});
			},
			expire: function (options) {
				return queries.expire(tx, options);
			}
		};
	};
};