"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
    result["default"] = mod;
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const core = __importStar(require("@actions/core"));
const exec = __importStar(require("@actions/exec"));
const io = __importStar(require("@actions/io"));
const toolCache = __importStar(require("@actions/tool-cache"));
const path = __importStar(require("path"));
const os = __importStar(require("os"));
const fs_1 = require("fs");
let osPlat = os.platform();
let osArch = os.arch();
let tempDirectory = process.env['RUNNER_TEMPDIRECTORY'] || '';
const WINDOWS = osPlat == 'win32';
function install(version) {
    return __awaiter(this, void 0, void 0, function* () {
        let toolPath = toolCache.find('rust', version);
        if (!toolPath) {
            toolPath = yield acquireRust(version);
            core.debug('Rust toolchain is cached under ' + toolPath);
        }
        toolPath = path.join(toolPath, 'bin');
        core.addPath(toolPath);
        yield exec.exec('rustup', ['update']);
    });
}
exports.install = install;
function acquireRust(version) {
    return __awaiter(this, void 0, void 0, function* () {
        let script;
        try {
            script = yield toolCache.downloadTool(rustupUrl());
        }
        catch (error) {
            core.debug(error);
            throw `Failed to download rustup: ${error}`;
        }
        if (WINDOWS) {
            // TODO: Fix this
            // It currently fails with:
            // error: 'rustup-init.exe' is not installed for the toolchain 'stable-x86_64-pc-windows-msvc'
            yield io.cp(script, script + '.exe');
            script += '.exe';
            const powershell = yield io.which('powershell', true);
            yield exec.exec(`"${script}"`, [
                '--default-host',
                'gnu',
                '--default-toolchain',
                version,
            ]);
        }
        else {
            fs_1.chmodSync(script, '777');
            yield exec.exec(`"${script}"`, ['-y', '--default-toolchain', version]);
        }
        return yield toolCache.cacheDir(binRoot(), 'rust', version);
    });
}
function rustupUrl() {
    if (WINDOWS) {
        return "https://static.rust-lang.org/rustup/dist/x86_64-pc-windows-gnu/rustup-init.exe";
    }
    else {
        return "https://sh.rustup.rs";
    }
}
function binRoot() {
    if (WINDOWS) {
        return path.join(process.env['USERPROFILE'] || '', '.cargo');
    }
    else {
        return path.join(process.env['HOME'] || '', '.cargo');
    }
}