function sleep(ms){
	return new Promise(function(resolve,reject){
		setTimeout(resolve,ms)
	})
}

async function custom_test(source,programTypeId,input){
	// There's no official API
	// adapt from CF customtest js code
	const data=await $.post('/data/customtest',{
		csrf_token: Codeforces.getCsrfToken(),
		source: source,
		sourceCode: source,
		tabSize: 4,
		programTypeId: programTypeId,
		input: input,
		output: '', // not
		_tta: 510, // ?
		communityCode: '',
		action: 'submitSourceCode',
	})

	while(true){
		sleep(2500)
		const response=await $.post("/data/customtest", {
			communityCode: "",
			action: "getVerdict",
			customTestSubmitId: data.customTestSubmitId
		})
		if (response["verdict"] != null && response["verdict"] != undefined &&
			response["customTestSubmitId"] == data.customTestSubmitId) {
			// var result = response["output"] + "\n=====\nUsed: " + response["stat"];
			return response
		}
	}
}

function lang_id(name){
	// There's no official API
	/* TODO:
		{ // from codeforces customtest page
		43:"GNU GCC C11 5.1.0",
		52:"Clang++17 Diagnostics",
		42:"GNU G++11 5.1.0",
		50:"GNU G++14 6.4.0",
		54:"GNU G++17 7.3.0",
		2:"Microsoft Visual C++ 2010",
		59:"Microsoft Visual C++ 2017",
		9:"C# Mono 5.18",
		28:"D DMD32 v2.086.0",
		32:"Go 1.12.6",
		12:"Haskell GHC 8.6.3",
		36:"Java 1.8.0_162",
		48:"Kotlin 1.3.10",
		19:"OCaml 4.02.1",
		3:"Delphi 7",
		4:"Free Pascal 3.0.2",
		51:"PascalABC.NET 3.4.2",
		13:"Perl 5.20.1",
		6:"PHP 7.2.13",
		7:"Python 2.7.15",
		31:"Python 3.7.2",
		40:"PyPy 2.7 (7.1.1)",
		41:"PyPy 3.6 (7.1.1)",
		8:"Ruby 2.0.0p645",
		49:"Rust 1.35.0",
		20:"Scala 2.12.8",
		34:"JavaScript V8 4.8.0",
		55:"Node.js 9.4.0",
		14:"ActiveTcl 8.5",
		15:"Io-2008-01-07 (Win32)",
		17:"Pike 7.8",
		18:"Befunge",
		22:"OpenCobol 1.0",
		25:"Factor",
		26:"Secret_171",
		27:"Roco",
		33:"Ada GNAT 4",
		38:"Mysterious Language",
		39:"FALSE",
		44:"Picat 0.9",
		47:"J",
		56:"Microsoft Q#",
		57:"Text",
		}

		var extensionMap = { // from codeforces customtest page
			"43":"program.c",
			"52":"program.cpp",
			"42":"program.cpp",
			"50":"program.cpp",
			"54":"program.cpp",
			"2":"program.cpp",
			"59":"program.cpp",
			"9":"program.cs",
			"28":"program.d",
			"32":"program.go",
			"12":"program.hs",
			"36":"[^{}]*public\\s+(final)?\\s*class\\s+(\\w+).*|$2.java",
			"48":"program.kt",
			"19":"program.ml",
			"3":"program.dpr",
			"4":"program.pas",
			"51":"program.pas",
			"13":"program.pl",
			"6":"program.php",
			"7":"program.py",
			"31":"a.py",
			"40":"a.py",
			"41":"a.py",
			"8":"program.rb",
			"49":"program.rs",
			"20":"[^{}]*object\\s+(\\w+).*|$1.scala",
			"34":"program.js",
			"55":"program.js",
			"14":"program.tcl",
			"15":"program.io",
			"17":"program.pike",
			"18":"program.bfng",
			"22":"program.opencobol",
			"25":"program.factor",
			"26":"program.secret_171",
			"27":"program.roco",
			"33":"program.ada",
			"38":"program.f",
			"39":"program.false",
			"44":"program.pi",
			"47":"program.ijs",
			"56":"program.qs",
			"57":"program.txt",
		};

		extensions = {
			'GNU C': '.c',
			'GNU C11': '.c',
			'Clang++17 Diagnostics': '.cpp',
			'GNU C++': '.cpp',
			'GNU C++11': '.cpp',
			'GNU C++14': '.cpp',
			'GNU C++17': '.cpp',
			'GNU C++17 Diagnostics': '.cpp',
			'MS C++': '.cpp',
			'Mono C#': '.cs',
			'D': '.d',
			'Go': '.go',
			'Haskell': '.hs',
			'Java 8': '.java',
			'Kotlin': '.kt',
			'Ocaml': '.ml',
			'Delphi': '.dpr',
			'FPC': '.pas',
			'PascalABC.NET': '.pas',
			'Perl': '.pl',
			'PHP': '.php',
			'Python 2': '.py',
			'Python 3': '.py',
			'PyPy 2': '.py',
			'PyPy 3': '.py',
			'Ruby': '.rb',
			'Rust': '.rs',
			'Scala': '.scala',
			'JavaScript': '.js',
			'Node.js': '.js',
			'Q#': '.qs',
		} // https://github.com/ISKU/Codeforces-Solutions-Downloader/blob/master/option.py
	*/

	return 50; // gnu g++14
}

async function get_source_code(contestId,submissionId){
	// There's no official API. Parse from the HTML of the submission page
	const x=await $.get('https://codeforces.com/contest/'+contestId+'/submission/'+submissionId)
	const pageHTML=$.parseHTML(x)
	const source=$(pageHTML).find('pre#program-source-text').text()

	const tableHeader=$(pageHTML).find('th:contains("Lang")')[0]
	const headerRow=tableHeader.parentElement
	const languageColumnIndex=$(headerRow).find("th").index(tableHeader) // usually 3 but Codeforces may add columns
	const lang=headerRow.nextElementSibling.children[languageColumnIndex].textContent.trim()
	return [source,lang /* short language name */ ]
}

function testAllSubmissionsAgainstTest(contestId,test){
	// returns immediately, print output to the console when done.
	// Note: use Codeforces custom test to test. All at once. MAKE SURE that test.length is small
	// otherwise Codeforces servers may be overloaded
	if(test.length>=20)
		throw new Error("Don't do this!")
	t.forEach(async function(submissionId){
		const [source,lang]=await get_source_code(contestId,submissionId)
		const output=await custom_test(source,lang_id(lang) /* TODO fix lang_id */,test)
		console.log('https://codeforces.com/contest/'+contestId+'/submission/'+submissionId,output)
	})
}

async function main(contestId=1237){
	const submissionsRequest=$.get('https://codeforces.com/api/contest.status?contestId='+contestId+'&from=1&count=10000000')
	const x=await $.get('https://codeforces.com/api/contest.standings?contestId='+contestId+'&from=1&count=10000000&showUnofficial=false')
	const d=await submissionsRequest
	const y=x.result.rows.filter(x=>x.problemResults[3].points>0&&x.problemResults[2].points==0)
	const t=y.map(z=>d.result.find(
		t=>t.relativeTimeSeconds==z.problemResults[3].bestSubmissionTimeSeconds&&t.author.members[0].handle==z.party.members[0].handle
	).id)
	return t
}