/*
 * decaffeinate suggestions:
 * DS102: Remove unnecessary code created because of implicit returns
 * DS207: Consider shorter variations of null checks
 * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
 */
const sinon = require("sinon");
const chai = require("chai");
chai.should();
const {ObjectId} = require("mongojs");
const DocstoreApp = require("./helpers/DocstoreApp");

const DocstoreClient = require("./helpers/DocstoreClient");

describe("Getting a doc", function() {
	beforeEach(function(done) {
		this.project_id = ObjectId();
		this.doc_id = ObjectId();
		this.lines = ["original", "lines"];
		this.version = 42;
		this.ranges = {
			changes: [{
				id: ObjectId().toString(),
				op: { i: "foo", p: 3 },
				meta: {
					user_id: ObjectId().toString(),
					ts: new Date().toString()
				}
			}]
		};
		return DocstoreApp.ensureRunning(() => {
			return DocstoreClient.createDoc(this.project_id, this.doc_id, this.lines, this.version, this.ranges, error => {
				if (error != null) { throw error; }
				return done();
			});
		});
	});

	describe("when the doc exists", () => it("should get the doc lines and version", function(done) {
        return DocstoreClient.getDoc(this.project_id, this.doc_id, {}, (error, res, doc) => {
            doc.lines.should.deep.equal(this.lines);
            doc.version.should.equal(this.version);
            doc.ranges.should.deep.equal(this.ranges);
            return done();
        });
    }));

	describe("when the doc does not exist", () => it("should return a 404", function(done) {
        const missing_doc_id = ObjectId();
        return DocstoreClient.getDoc(this.project_id, missing_doc_id, {}, function(error, res, doc) {
            res.statusCode.should.equal(404);
            return done();
        });
    }));

	return describe("when the doc is a deleted doc", function() {
		beforeEach(function(done) {
			this.deleted_doc_id = ObjectId();
			return DocstoreClient.createDoc(this.project_id, this.deleted_doc_id, this.lines, this.version, this.ranges, error => {
				if (error != null) { throw error; }
				return DocstoreClient.deleteDoc(this.project_id, this.deleted_doc_id, done);
			});
		});

		it("should return the doc", function(done) {
			return DocstoreClient.getDoc(this.project_id, this.deleted_doc_id, {include_deleted:true},(error, res, doc) => {
				doc.lines.should.deep.equal(this.lines);
				doc.version.should.equal(this.version);
				doc.ranges.should.deep.equal(this.ranges);
				doc.deleted.should.equal(true);
				return done();
			});
		});

		return it("should return a 404 when the query string is not set", function(done){
			return DocstoreClient.getDoc(this.project_id, this.deleted_doc_id, {},(error, res, doc) => {
				res.statusCode.should.equal(404);
				return done();
			});
		});
	});
});