"use strict";
var __read = (this && this.__read) || function (o, n) {
    var m = typeof Symbol === "function" && o[Symbol.iterator];
    if (!m) return o;
    var i = m.call(o), r, ar = [], e;
    try {
        while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
    }
    catch (error) { e = { error: error }; }
    finally {
        try {
            if (r && !r.done && (m = i["return"])) m.call(i);
        }
        finally { if (e) throw e.error; }
    }
    return ar;
};
var __values = (this && this.__values) || function(o) {
    var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
    if (m) return m.call(o);
    if (o && typeof o.length === "number") return {
        next: function () {
            if (o && i >= o.length) o = void 0;
            return { value: o && o[i++], done: !o };
        }
    };
    throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
Object.defineProperty(exports, "__esModule", { value: true });
var fs_1 = require("fs");
var mkdirp = require("mkdirp");
var path_1 = require("path");
var sha1_1 = require("../util/sha1");
var language_service_1 = require("./language-service");
var program_1 = require("./program");
var transpile_module_1 = require("./transpile-module");
function updateOutput(outputText, normalizedFileName, sourceMap, getExtension) {
    var base = path_1.basename(normalizedFileName);
    var base64Map = Buffer.from(updateSourceMap(sourceMap, normalizedFileName), 'utf8').toString('base64');
    var sourceMapContent = "data:application/json;charset=utf-8;base64," + base64Map;
    var sourceMapLength = (base + ".map").length + (getExtension(normalizedFileName).length - path_1.extname(normalizedFileName).length);
    return outputText.slice(0, -sourceMapLength) + sourceMapContent;
}
var updateSourceMap = function (sourceMapText, normalizedFileName) {
    var sourceMap = JSON.parse(sourceMapText);
    sourceMap.file = normalizedFileName;
    sourceMap.sources = [normalizedFileName];
    delete sourceMap.sourceRoot;
    return JSON.stringify(sourceMap);
};
var getCacheName = function (sourceCode, normalizedFileName) {
    return sha1_1.sha1(normalizedFileName, '\x00', sourceCode);
};
var isValidCacheContent = function (contents) {
    return /(?:9|0=|Q==)$/.test(contents.slice(-3));
};
var readThrough = function (cachedir, memoryCache, compileFn, getExtension, logger) {
    if (!cachedir) {
        return function (code, fileName, lineOffset) {
            var normalizedFileName = path_1.normalize(fileName);
            logger.debug({ normalizedFileName: normalizedFileName }, 'readThrough(): no cache');
            var _a = __read(compileFn(code, normalizedFileName, lineOffset), 2), value = _a[0], sourceMap = _a[1];
            var output = updateOutput(value, fileName, sourceMap, getExtension);
            memoryCache.outputs[normalizedFileName] = output;
            return output;
        };
    }
    mkdirp.sync(cachedir);
    return function (code, fileName, lineOffset) {
        var normalizedFileName = path_1.normalize(fileName), cachePath = path_1.join(cachedir, getCacheName(code, normalizedFileName)), extension = getExtension(normalizedFileName), outputPath = "" + cachePath + extension;
        try {
            var output_1 = fs_1.readFileSync(outputPath, 'utf8');
            if (isValidCacheContent(output_1)) {
                logger.debug({ normalizedFileName: normalizedFileName }, 'readThrough(): cache hit');
                memoryCache.outputs[normalizedFileName] = output_1;
                return output_1;
            }
        }
        catch (err) { }
        logger.debug({ fileName: fileName }, 'readThrough(): cache miss');
        var _a = __read(compileFn(code, normalizedFileName, lineOffset), 2), value = _a[0], sourceMap = _a[1], output = updateOutput(value, normalizedFileName, sourceMap, getExtension);
        logger.debug({ normalizedFileName: normalizedFileName, outputPath: outputPath }, 'readThrough(): writing caches');
        memoryCache.outputs[normalizedFileName] = output;
        fs_1.writeFileSync(outputPath, output);
        return output;
    };
};
exports.createCompiler = function (configs) {
    var e_1, _a;
    var logger = configs.logger.child({ namespace: 'ts-compiler' });
    var _b = configs.typescript, compilerOptions = _b.options, fileNames = _b.fileNames, tsJest = configs.tsJest;
    var cachedir = configs.tsCacheDir, ts = configs.compilerModule, extensions = ['.ts', '.tsx'], memoryCache = {
        contents: Object.create(null),
        versions: Object.create(null),
        outputs: Object.create(null),
    };
    if (compilerOptions.allowJs) {
        extensions.push('.js');
        extensions.push('.jsx');
    }
    try {
        for (var fileNames_1 = __values(fileNames), fileNames_1_1 = fileNames_1.next(); !fileNames_1_1.done; fileNames_1_1 = fileNames_1.next()) {
            var path = fileNames_1_1.value;
            memoryCache.versions[path_1.normalize(path)] = 1;
        }
    }
    catch (e_1_1) { e_1 = { error: e_1_1 }; }
    finally {
        try {
            if (fileNames_1_1 && !fileNames_1_1.done && (_a = fileNames_1.return)) _a.call(fileNames_1);
        }
        finally { if (e_1) throw e_1.error; }
    }
    var getExtension = compilerOptions.jsx === ts.JsxEmit.Preserve
        ? function (path) { return (/\.[tj]sx$/.test(path) ? '.jsx' : '.js'); }
        : function (_) { return '.js'; };
    var compilerInstance;
    if (!tsJest.isolatedModules) {
        compilerInstance = !tsJest.compilerHost
            ? language_service_1.compileUsingLanguageService(configs, logger, memoryCache)
            : program_1.compileUsingProgram(configs, logger, memoryCache);
    }
    else {
        compilerInstance = transpile_module_1.compileUsingTranspileModule(configs, logger);
    }
    var compile = readThrough(cachedir, memoryCache, compilerInstance.compileFn, getExtension, logger);
    return { cwd: configs.cwd, compile: compile, program: compilerInstance.program, diagnose: compilerInstance.diagnoseFn };
};