/*
 * decaffeinate suggestions:
 * DS101: Remove unnecessary use of Array.from
 * DS102: Remove unnecessary code created because of implicit returns
 * DS206: Consider reworking classes to avoid initClass
 * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
 */
const sinon = require('sinon');
const chai = require('chai');
const should = chai.should();
const modulePath = "../../../../app/js/ProjectManager.js";
const SandboxedModule = require('sandboxed-module');

describe("ProjectManager - flushAndDeleteProject", function() {
	beforeEach(function() {
		let Timer;
		this.ProjectManager = SandboxedModule.require(modulePath, { requires: {
			"./RedisManager": (this.RedisManager = {}),
			"./ProjectHistoryRedisManager": (this.ProjectHistoryRedisManager = {}),
			"./DocumentManager": (this.DocumentManager = {}),
			"logger-sharelatex": (this.logger = { log: sinon.stub(), error: sinon.stub() }),
			"./HistoryManager": (this.HistoryManager =
				{flushProjectChanges: sinon.stub().callsArg(2)}),
			"./Metrics": (this.Metrics = {
				Timer: (Timer = (function() {
					Timer = class Timer {
						static initClass() {
							this.prototype.done = sinon.stub();
						}
					};
					Timer.initClass();
					return Timer;
				})())
			})
		}
	}
		);
		this.project_id = "project-id-123";
		return this.callback = sinon.stub();
	});

	describe("successfully", function() {
		beforeEach(function(done) {
			this.doc_ids = ["doc-id-1", "doc-id-2", "doc-id-3"];
			this.RedisManager.getDocIdsInProject = sinon.stub().callsArgWith(1, null, this.doc_ids);
			this.DocumentManager.flushAndDeleteDocWithLock = sinon.stub().callsArg(3);
			return this.ProjectManager.flushAndDeleteProjectWithLocks(this.project_id, {}, error => {
				this.callback(error);
				return done();
			});
		});

		it("should get the doc ids in the project", function() {
			return this.RedisManager.getDocIdsInProject
				.calledWith(this.project_id)
				.should.equal(true);
		});

		it("should delete each doc in the project", function() {
			return Array.from(this.doc_ids).map((doc_id) =>
				this.DocumentManager.flushAndDeleteDocWithLock
					.calledWith(this.project_id, doc_id, {})
					.should.equal(true));
		});

		it("should flush project history", function() {
			return this.HistoryManager.flushProjectChanges
				.calledWith(this.project_id, {})
				.should.equal(true);
		});

		it("should call the callback without error", function() {
			return this.callback.calledWith(null).should.equal(true);
		});

		return it("should time the execution", function() {
			return this.Metrics.Timer.prototype.done.called.should.equal(true);
		});
	});

	return describe("when a doc errors", function() {
		beforeEach(function(done) {
			this.doc_ids = ["doc-id-1", "doc-id-2", "doc-id-3"];
			this.RedisManager.getDocIdsInProject = sinon.stub().callsArgWith(1, null, this.doc_ids);
			this.DocumentManager.flushAndDeleteDocWithLock = sinon.spy((project_id, doc_id, options, callback) => {
				if (doc_id === "doc-id-1") {
					return callback(this.error = new Error("oops, something went wrong"));
				} else {
					return callback();
				}
			});
			return this.ProjectManager.flushAndDeleteProjectWithLocks(this.project_id, {}, error => {
				this.callback(error);
				return done();
			});
		});

		it("should still flush each doc in the project", function() {
			return Array.from(this.doc_ids).map((doc_id) =>
				this.DocumentManager.flushAndDeleteDocWithLock
					.calledWith(this.project_id, doc_id, {})
					.should.equal(true));
		});

		it("should still flush project history", function() {
			return this.HistoryManager.flushProjectChanges
				.calledWith(this.project_id, {})
				.should.equal(true);
		});

		it("should record the error", function() {
			return this.logger.error
				.calledWith({err: this.error, project_id: this.project_id, doc_id: "doc-id-1"}, "error deleting doc")
				.should.equal(true);
		});

		it("should call the callback with an error", function() {
			return this.callback.calledWith(new Error()).should.equal(true);
		});

		return it("should time the execution", function() {
			return this.Metrics.Timer.prototype.done.called.should.equal(true);
		});
	});
});