'use strict';

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var tslib = require('tslib');
var fs = require('fs');
var path = require('path');
var chalk = _interopDefault(require('chalk'));
require('inquirer');
require('inquirer-autocomplete-prompt');
var shelljs = require('shelljs');

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/** Reexport of chalk colors for convenient access. */
var red = chalk.red;
var green = chalk.green;
var yellow = chalk.yellow;
var bold = chalk.bold;
var blue = chalk.blue;
/**
 * Supported levels for logging functions.
 *
 * Levels are mapped to numbers to represent a hierarchy of logging levels.
 */
var LOG_LEVELS;
(function (LOG_LEVELS) {
    LOG_LEVELS[LOG_LEVELS["SILENT"] = 0] = "SILENT";
    LOG_LEVELS[LOG_LEVELS["ERROR"] = 1] = "ERROR";
    LOG_LEVELS[LOG_LEVELS["WARN"] = 2] = "WARN";
    LOG_LEVELS[LOG_LEVELS["LOG"] = 3] = "LOG";
    LOG_LEVELS[LOG_LEVELS["INFO"] = 4] = "INFO";
    LOG_LEVELS[LOG_LEVELS["DEBUG"] = 5] = "DEBUG";
})(LOG_LEVELS || (LOG_LEVELS = {}));
/** Default log level for the tool. */
var DEFAULT_LOG_LEVEL = LOG_LEVELS.INFO;
/** Write to the console for at INFO logging level */
var info = buildLogLevelFunction(function () { return console.info; }, LOG_LEVELS.INFO);
/** Write to the console for at ERROR logging level */
var error = buildLogLevelFunction(function () { return console.error; }, LOG_LEVELS.ERROR);
/** Write to the console for at DEBUG logging level */
var debug = buildLogLevelFunction(function () { return console.debug; }, LOG_LEVELS.DEBUG);
/** Write to the console for at LOG logging level */
// tslint:disable-next-line: no-console
var log = buildLogLevelFunction(function () { return console.log; }, LOG_LEVELS.LOG);
/** Write to the console for at WARN logging level */
var warn = buildLogLevelFunction(function () { return console.warn; }, LOG_LEVELS.WARN);
/** Build an instance of a logging function for the provided level. */
function buildLogLevelFunction(loadCommand, level) {
    /** Write to stdout for the LOG_LEVEL. */
    var loggingFunction = function () {
        var text = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            text[_i] = arguments[_i];
        }
        runConsoleCommand.apply(void 0, tslib.__spreadArray([loadCommand, level], tslib.__read(text)));
    };
    /** Start a group at the LOG_LEVEL, optionally starting it as collapsed. */
    loggingFunction.group = function (text, collapsed) {
        if (collapsed === void 0) { collapsed = false; }
        var command = collapsed ? console.groupCollapsed : console.group;
        runConsoleCommand(function () { return command; }, level, text);
    };
    /** End the group at the LOG_LEVEL. */
    loggingFunction.groupEnd = function () {
        runConsoleCommand(function () { return console.groupEnd; }, level);
    };
    return loggingFunction;
}
/**
 * Run the console command provided, if the environments logging level greater than the
 * provided logging level.
 *
 * The loadCommand takes in a function which is called to retrieve the console.* function
 * to allow for jasmine spies to still work in testing.  Without this method of retrieval
 * the console.* function, the function is saved into the closure of the created logging
 * function before jasmine can spy.
 */
function runConsoleCommand(loadCommand, logLevel) {
    var text = [];
    for (var _i = 2; _i < arguments.length; _i++) {
        text[_i - 2] = arguments[_i];
    }
    if (getLogLevel() >= logLevel) {
        loadCommand().apply(void 0, tslib.__spreadArray([], tslib.__read(text)));
    }
    printToLogFile.apply(void 0, tslib.__spreadArray([logLevel], tslib.__read(text)));
}
/**
 * Retrieve the log level from environment variables, if the value found
 * based on the LOG_LEVEL environment variable is undefined, return the default
 * logging level.
 */
function getLogLevel() {
    var logLevelEnvValue = (process.env["LOG_LEVEL"] || '').toUpperCase();
    var logLevel = LOG_LEVELS[logLevelEnvValue];
    if (logLevel === undefined) {
        return DEFAULT_LOG_LEVEL;
    }
    return logLevel;
}
/**
 * The number of columns used in the prepended log level information on each line of the logging
 * output file.
 */
var LOG_LEVEL_COLUMNS = 7;
/** Write the provided text to the log file, prepending each line with the log level.  */
function printToLogFile(logLevel) {
    var text = [];
    for (var _i = 1; _i < arguments.length; _i++) {
        text[_i - 1] = arguments[_i];
    }
    var logLevelText = (LOG_LEVELS[logLevel] + ":").padEnd(LOG_LEVEL_COLUMNS);
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * Runs an given command as child process. By default, child process
 * output will not be printed.
 */
function exec(cmd, opts) {
    return shelljs.exec(cmd, tslib.__assign(tslib.__assign({ silent: true }, opts), { async: false }));
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/** Whether ts-node has been installed and is available to ng-dev. */
function isTsNodeAvailable() {
    try {
        require.resolve('ts-node');
        return true;
    }
    catch (_a) {
        return false;
    }
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * The filename expected for creating the ng-dev config, without the file
 * extension to allow either a typescript or javascript file to be used.
 */
var CONFIG_FILE_PATH = '.ng-dev/config';
/** The configuration for ng-dev. */
var cachedConfig = null;
/**
 * Get the configuration from the file system, returning the already loaded
 * copy if it is defined.
 */
function getConfig() {
    // If the global config is not defined, load it from the file system.
    if (cachedConfig === null) {
        // The full path to the configuration file.
        var configPath = path.join(getRepoBaseDir(), CONFIG_FILE_PATH);
        // Read the configuration and validate it before caching it for the future.
        cachedConfig = validateCommonConfig(readConfigFile(configPath));
    }
    // Return a clone of the cached global config to ensure that a new instance of the config
    // is returned each time, preventing unexpected effects of modifications to the config object.
    return tslib.__assign({}, cachedConfig);
}
/** Validate the common configuration has been met for the ng-dev command. */
function validateCommonConfig(config) {
    var errors = [];
    // Validate the github configuration.
    if (config.github === undefined) {
        errors.push("Github repository not configured. Set the \"github\" option.");
    }
    else {
        if (config.github.name === undefined) {
            errors.push("\"github.name\" is not defined");
        }
        if (config.github.owner === undefined) {
            errors.push("\"github.owner\" is not defined");
        }
    }
    assertNoErrors(errors);
    return config;
}
/**
 * Resolves and reads the specified configuration file, optionally returning an empty object if the
 * configuration file cannot be read.
 */
function readConfigFile(configPath, returnEmptyObjectOnError) {
    if (returnEmptyObjectOnError === void 0) { returnEmptyObjectOnError = false; }
    // If the `.ts` extension has not been set up already, and a TypeScript based
    // version of the given configuration seems to exist, set up `ts-node` if available.
    if (require.extensions['.ts'] === undefined && fs.existsSync(configPath + ".ts") &&
        isTsNodeAvailable()) {
        // Ensure the module target is set to `commonjs`. This is necessary because the
        // dev-infra tool runs in NodeJS which does not support ES modules by default.
        // Additionally, set the `dir` option to the directory that contains the configuration
        // file. This allows for custom compiler options (such as `--strict`).
        require('ts-node').register({ dir: path.dirname(configPath), transpileOnly: true, compilerOptions: { module: 'commonjs' } });
    }
    try {
        return require(configPath);
    }
    catch (e) {
        if (returnEmptyObjectOnError) {
            debug("Could not read configuration file at " + configPath + ", returning empty object instead.");
            debug(e);
            return {};
        }
        error("Could not read configuration file at " + configPath + ".");
        error(e);
        process.exit(1);
    }
}
/**
 * Asserts the provided array of error messages is empty. If any errors are in the array,
 * logs the errors and exit the process as a failure.
 */
function assertNoErrors(errors) {
    var e_1, _a;
    if (errors.length == 0) {
        return;
    }
    error("Errors discovered while loading configuration file:");
    try {
        for (var errors_1 = tslib.__values(errors), errors_1_1 = errors_1.next(); !errors_1_1.done; errors_1_1 = errors_1.next()) {
            var err = errors_1_1.value;
            error("  - " + err);
        }
    }
    catch (e_1_1) { e_1 = { error: e_1_1 }; }
    finally {
        try {
            if (errors_1_1 && !errors_1_1.done && (_a = errors_1.return)) _a.call(errors_1);
        }
        finally { if (e_1) throw e_1.error; }
    }
    process.exit(1);
}
/** Gets the path of the directory for the repository base. */
function getRepoBaseDir() {
    var baseRepoDir = exec("git rev-parse --show-toplevel");
    if (baseRepoDir.code) {
        throw Error("Unable to find the path to the base directory of the repository.\n" +
            "Was the command run from inside of the repo?\n\n" +
            ("ERROR:\n " + baseRepoDir.stderr));
    }
    return baseRepoDir.trim();
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/** Retrieve and validate the config as `ReleaseConfig`. */
function getReleaseConfig(config = getConfig()) {
    var _a, _b, _c;
    // List of errors encountered validating the config.
    const errors = [];
    if (config.release === undefined) {
        errors.push(`No configuration defined for "release"`);
    }
    if (((_a = config.release) === null || _a === void 0 ? void 0 : _a.npmPackages) === undefined) {
        errors.push(`No "npmPackages" configured for releasing.`);
    }
    if (((_b = config.release) === null || _b === void 0 ? void 0 : _b.buildPackages) === undefined) {
        errors.push(`No "buildPackages" function configured for releasing.`);
    }
    if (((_c = config.release) === null || _c === void 0 ? void 0 : _c.generateReleaseNotesForHead) === undefined) {
        errors.push(`No "generateReleaseNotesForHead" function configured for releasing.`);
    }
    assertNoErrors(errors);
    return config.release;
}

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
// Start the release package building.
main();
/** Main function for building the release packages. */
function main() {
    return tslib.__awaiter(this, void 0, void 0, function* () {
        if (process.send === undefined) {
            throw Error('This script needs to be invoked as a NodeJS worker.');
        }
        const config = getReleaseConfig();
        const builtPackages = yield config.buildPackages();
        // Transfer the built packages back to the parent process.
        process.send(builtPackages);
    });
}