/* eslint-disable
    camelcase,
    chai-friendly/no-unused-expressions,
    no-path-concat,
    no-return-assign,
    no-unused-vars,
*/
// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
 * decaffeinate suggestions:
 * DS101: Remove unnecessary use of Array.from
 * DS102: Remove unnecessary code created because of implicit returns
 * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
 */
const SandboxedModule = require('sandboxed-module');
const sinon = require('sinon');
require('chai').should();
const modulePath = require('path').join(__dirname, '../../../app/js/CompileManager');
const tk = require("timekeeper");
const { EventEmitter } = require("events");
const Path = require("path");

describe("CompileManager", function() {
	beforeEach(function() {
		this.CompileManager = SandboxedModule.require(modulePath, { requires: {
			"./LatexRunner": (this.LatexRunner = {}),
			"./ResourceWriter": (this.ResourceWriter = {}),
			"./OutputFileFinder": (this.OutputFileFinder = {}),
			"./OutputCacheManager": (this.OutputCacheManager = {}),
			"settings-sharelatex": (this.Settings = {
				path: {
					compilesDir: "/compiles/dir"
				},
				synctexBaseDir() { return "/compile"; },
				clsi: {
					docker: {
						image: "SOMEIMAGE"
					}
				}
			}),

			"logger-sharelatex": (this.logger = { log: sinon.stub() , info() {}}),
			"child_process": (this.child_process = {}),
			"./CommandRunner": (this.CommandRunner = {}),
			"./DraftModeManager": (this.DraftModeManager = {}),
			"./TikzManager": (this.TikzManager = {}),
			"./LockManager": (this.LockManager = {}),
			"fs": (this.fs = {}),
			"fs-extra": (this.fse = { ensureDir: sinon.stub().callsArg(1) })
		}
	});
		this.callback = sinon.stub();
		this.project_id = "project-id-123";
		return this.user_id = "1234";
	});
	describe("doCompileWithLock", function() {
		beforeEach(function() {
			this.request = {
				resources: (this.resources = "mock-resources"),
				project_id: this.project_id,
				user_id: this.user_id
			};
			this.output_files = ["foo", "bar"];
			this.Settings.compileDir = "compiles";
			this.compileDir = `${this.Settings.path.compilesDir}/${this.project_id}-${this.user_id}`;
			this.CompileManager.doCompile = sinon.stub().callsArgWith(1, null, this.output_files);
			return this.LockManager.runWithLock = (lockFile, runner, callback) =>
				runner((err, ...result) => callback(err, ...Array.from(result)))
			;
		});

		describe("when the project is not locked", function() {
			beforeEach(function() {
				return this.CompileManager.doCompileWithLock(this.request, this.callback);
			});

			it("should ensure that the compile directory exists", function() {
				return this.fse.ensureDir.calledWith(this.compileDir)
				.should.equal(true);
			});

			it("should call doCompile with the request", function() {
				return this.CompileManager.doCompile
				.calledWith(this.request)
				.should.equal(true);
			});

			return it("should call the callback with the output files", function() {
				return this.callback.calledWithExactly(null, this.output_files)
				.should.equal(true);
			});
		});

		return describe("when the project is locked", function() {
			beforeEach(function() {
				this.error = new Error("locked");
				this.LockManager.runWithLock = (lockFile, runner, callback) => {
					return callback(this.error);
				};
				return this.CompileManager.doCompileWithLock(this.request, this.callback);
			});

			it("should ensure that the compile directory exists", function() {
				return this.fse.ensureDir.calledWith(this.compileDir)
				.should.equal(true);
			});

			it("should not call doCompile with the request", function() {
				return this.CompileManager.doCompile
				.called.should.equal(false);
			});

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

	describe("doCompile", function() {
		beforeEach(function() {
			this.output_files = [{
				path: "output.log",
				type: "log"
			}, {
				path: "output.pdf",
				type: "pdf"
			}];
			this.build_files = [{
				path: "output.log",
				type: "log",
				build: 1234
			}, {
				path: "output.pdf",
				type: "pdf",
				build: 1234
			}];
			this.request = {
				resources: (this.resources = "mock-resources"),
				rootResourcePath: (this.rootResourcePath = "main.tex"),
				project_id: this.project_id,
				user_id: this.user_id,
				compiler: (this.compiler = "pdflatex"),
				timeout: (this.timeout = 42000),
				imageName: (this.image = "example.com/image"),
				flags: (this.flags = ["-file-line-error"])
			};
			this.env = {};
			this.Settings.compileDir = "compiles";
			this.compileDir = `${this.Settings.path.compilesDir}/${this.project_id}-${this.user_id}`;
			this.ResourceWriter.syncResourcesToDisk = sinon.stub().callsArgWith(2, null, this.resources);
			this.LatexRunner.runLatex = sinon.stub().callsArg(2);
			this.OutputFileFinder.findOutputFiles = sinon.stub().callsArgWith(2, null, this.output_files);
			this.OutputCacheManager.saveOutputFiles = sinon.stub().callsArgWith(2, null, this.build_files);
			this.DraftModeManager.injectDraftMode = sinon.stub().callsArg(1);
			return this.TikzManager.checkMainFile = sinon.stub().callsArg(3, false);
		});

		describe("normally", function() {
			beforeEach(function() {
				return this.CompileManager.doCompile(this.request, this.callback);
			});

			it("should write the resources to disk", function() {
				return this.ResourceWriter.syncResourcesToDisk
					.calledWith(this.request, this.compileDir)
					.should.equal(true);
			});

			it("should run LaTeX", function() {
				return this.LatexRunner.runLatex
					.calledWith(`${this.project_id}-${this.user_id}`, {
						directory: this.compileDir,
						mainFile:  this.rootResourcePath,
						compiler:  this.compiler,
						timeout:   this.timeout,
						image:     this.image,
						flags:     this.flags,
						environment: this.env
					})
					.should.equal(true);
			});

			it("should find the output files", function() {
				return this.OutputFileFinder.findOutputFiles
					.calledWith(this.resources, this.compileDir)
					.should.equal(true);
			});

			it("should return the output files", function() {
				return this.callback.calledWith(null, this.build_files).should.equal(true);
			});

			return it("should not inject draft mode by default", function() {
				return this.DraftModeManager.injectDraftMode.called.should.equal(false);
			});
		});

		describe("with draft mode", function() {
			beforeEach(function() {
				this.request.draft = true;
				return this.CompileManager.doCompile(this.request, this.callback);
			});

			return it("should inject the draft mode header", function() {
				return this.DraftModeManager.injectDraftMode
					.calledWith(this.compileDir + "/" + this.rootResourcePath)
					.should.equal(true);
			});
		});

		describe("with a check option", function() {
			beforeEach(function() {
				this.request.check = "error";
				return this.CompileManager.doCompile(this.request, this.callback);
			});

			return it("should run chktex", function() {
				return this.LatexRunner.runLatex
					.calledWith(`${this.project_id}-${this.user_id}`, {
						directory: this.compileDir,
						mainFile:  this.rootResourcePath,
						compiler:  this.compiler,
						timeout:   this.timeout,
						image:     this.image,
						flags:     this.flags,
						environment: {'CHKTEX_OPTIONS': '-nall -e9 -e10 -w15 -w16', 'CHKTEX_EXIT_ON_ERROR':1, 'CHKTEX_ULIMIT_OPTIONS': '-t 5 -v 64000'}
					})
					.should.equal(true);
			});
		});

		return describe("with a knitr file and check options", function() {
			beforeEach(function() {
				this.request.rootResourcePath = "main.Rtex";
				this.request.check = "error";
				return this.CompileManager.doCompile(this.request, this.callback);
			});

			return it("should not run chktex", function() {
				return this.LatexRunner.runLatex
					.calledWith(`${this.project_id}-${this.user_id}`, {
						directory: this.compileDir,
						mainFile:  "main.Rtex",
						compiler:  this.compiler,
						timeout:   this.timeout,
						image:     this.image,
						flags:     this.flags,
						environment: this.env
					})
					.should.equal(true);
			});
		});
	});

	describe("clearProject", function() {
		describe("succesfully", function() {
			beforeEach(function() {
				this.Settings.compileDir = "compiles";
				this.fs.lstat = sinon.stub().callsArgWith(1, null,{isDirectory(){ return true; }});
				this.proc = new EventEmitter();
				this.proc.stdout = new EventEmitter();
				this.proc.stderr = new EventEmitter();
				this.child_process.spawn = sinon.stub().returns(this.proc);
				this.CompileManager.clearProject(this.project_id, this.user_id, this.callback);
				return this.proc.emit("close", 0);
			});

			it("should remove the project directory", function() {
				return this.child_process.spawn
					.calledWith("rm", ["-r", `${this.Settings.path.compilesDir}/${this.project_id}-${this.user_id}`])
					.should.equal(true);
			});

			return it("should call the callback", function() {
				return this.callback.called.should.equal(true);
			});
		});

		return describe("with a non-success status code", function() {
			beforeEach(function() {
				this.Settings.compileDir = "compiles";
				this.fs.lstat = sinon.stub().callsArgWith(1, null,{isDirectory(){ return true; }});
				this.proc = new EventEmitter();
				this.proc.stdout = new EventEmitter();
				this.proc.stderr = new EventEmitter();
				this.child_process.spawn = sinon.stub().returns(this.proc);
				this.CompileManager.clearProject(this.project_id, this.user_id, this.callback);
				this.proc.stderr.emit("data", (this.error = "oops"));
				return this.proc.emit("close", 1);
			});

			it("should remove the project directory", function() {
				return this.child_process.spawn
					.calledWith("rm", ["-r", `${this.Settings.path.compilesDir}/${this.project_id}-${this.user_id}`])
					.should.equal(true);
			});

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

				return this.callback.args[0][0].message.should.equal(`rm -r ${this.Settings.path.compilesDir}/${this.project_id}-${this.user_id} failed: ${this.error}`);
			});
		});
	});

	describe("syncing", function() {
		beforeEach(function() {
			this.page = 1;
			this.h = 42.23;
			this.v = 87.56;
			this.width = 100.01;
			this.height = 234.56;
			this.line = 5;
			this.column = 3;
			this.file_name = "main.tex";
			this.child_process.execFile = sinon.stub();
			return this.Settings.path.synctexBaseDir = project_id => `${this.Settings.path.compilesDir}/${this.project_id}-${this.user_id}`;
		});

		describe("syncFromCode", function() {
			beforeEach(function() {
				this.fs.stat = sinon.stub().callsArgWith(1, null,{isFile(){ return true; }});
				this.stdout = `NODE\t${this.page}\t${this.h}\t${this.v}\t${this.width}\t${this.height}\n`;
				this.CommandRunner.run = sinon.stub().callsArgWith(6, null, {stdout:this.stdout});
				return this.CompileManager.syncFromCode(this.project_id, this.user_id, this.file_name, this.line, this.column, this.callback);
			});

			it("should execute the synctex binary", function() {
				const bin_path = Path.resolve(__dirname + "/../../../bin/synctex");
				const synctex_path = `${this.Settings.path.compilesDir}/${this.project_id}-${this.user_id}/output.pdf`;
				const file_path = `${this.Settings.path.compilesDir}/${this.project_id}-${this.user_id}/${this.file_name}`;
				return this.CommandRunner.run
					.calledWith(
						`${this.project_id}-${this.user_id}`,
						['/opt/synctex', 'code', synctex_path, file_path, this.line, this.column],
						`${this.Settings.path.compilesDir}/${this.project_id}-${this.user_id}`,
						this.Settings.clsi.docker.image,
						60000,
						{}
						).should.equal(true);
			});

			return it("should call the callback with the parsed output", function() {
				return this.callback
					.calledWith(null, [{
						page: this.page,
						h: this.h,
						v: this.v,
						height: this.height,
						width: this.width
					}])
					.should.equal(true);
			});
		});

		return describe("syncFromPdf", function() {
			beforeEach(function() {
				this.fs.stat = sinon.stub().callsArgWith(1, null,{isFile(){ return true; }});
				this.stdout = `NODE\t${this.Settings.path.compilesDir}/${this.project_id}-${this.user_id}/${this.file_name}\t${this.line}\t${this.column}\n`;
				this.CommandRunner.run = sinon.stub().callsArgWith(6, null, {stdout:this.stdout});
				return this.CompileManager.syncFromPdf(this.project_id, this.user_id, this.page, this.h, this.v, this.callback);
			});

			it("should execute the synctex binary", function() {
				const bin_path = Path.resolve(__dirname + "/../../../bin/synctex");
				const synctex_path = `${this.Settings.path.compilesDir}/${this.project_id}-${this.user_id}/output.pdf`;
				return this.CommandRunner.run
					.calledWith(
						`${this.project_id}-${this.user_id}`,
						['/opt/synctex', "pdf", synctex_path, this.page, this.h, this.v],
						`${this.Settings.path.compilesDir}/${this.project_id}-${this.user_id}`,
						this.Settings.clsi.docker.image,
						60000,
						{}).should.equal(true);
			});

			return it("should call the callback with the parsed output", function() {
				return this.callback
					.calledWith(null, [{
						file: this.file_name,
						line: this.line,
						column: this.column
					}])
					.should.equal(true);
			});
		});
	});

	return describe("wordcount", function() {
		beforeEach(function() {
			this.CommandRunner.run = sinon.stub().callsArg(6);
			this.fs.readFile = sinon.stub().callsArgWith(2, null, (this.stdout = "Encoding: ascii\nWords in text: 2"));
			this.callback  = sinon.stub();

			this.project_id;
			this.timeout = 60 * 1000;
			this.file_name = "main.tex";
			this.Settings.path.compilesDir = "/local/compile/directory";
			this.image = "example.com/image";

			return this.CompileManager.wordcount(this.project_id, this.user_id, this.file_name, this.image, this.callback);
		});

		it("should run the texcount command", function() {
			this.directory = `${this.Settings.path.compilesDir}/${this.project_id}-${this.user_id}`;
			this.file_path = `$COMPILE_DIR/${this.file_name}`;
			this.command =[ "texcount", "-nocol", "-inc", this.file_path, `-out=${this.file_path}.wc`];

			return this.CommandRunner.run
				.calledWith(`${this.project_id}-${this.user_id}`, this.command, this.directory, this.image, this.timeout, {})
				.should.equal(true);
		});

		return it("should call the callback with the parsed output", function() {
			return this.callback
				.calledWith(null, {
					encode: "ascii",
					textWords: 2,
					headWords: 0,
					outside: 0,
					headers: 0,
					elements: 0,
					mathInline: 0,
					mathDisplay: 0,
					errors: 0,
					messages: ""
				})
				.should.equal(true);
		});
	});
});