import * as readline from "readline"
import * as fs from "fs"

const leitor = readline.createInterface({
    input: process.stdin,
    output: process.stdout
});

leitor.question("Project name (ex roit-project-good): ", function (projectName) {

    leitor.question("Description: ", async function (description) {

        await createFolder('out')

        await createFolder('src')

        await createFolder('src/router')

        await generetePackage(projectName, description)

        await copyFile('gulpfile.js')

        await copyFile('LICENSE')

        await copyFile('README.md')

        await copyFile('tsconfig.json')

        await copyFile('.gitignore')

        await copyFile('src/index.ts')

        await copyFile('src/App.ts')

        await copyFile('src/router/TemplateRouter.ts')

        await copyFile('deploy.sh')

        await copyFile('env.yaml')

        await copyFile('.gcloudignore')

        leitor.close();

    });


});

function generetePackage(projectName, description) {
    return new Promise((resolve, reject) => {

        fs.readFile(`template/package.json.template`, function (err, buf) {
            if (err) {
                console.log(err)
            } else {

                let fileString = buf.toString().replace(/<project-name>/g, projectName).replace(/<description>/g, description);

                fs.writeFile(`out/package.json`, fileString, (err) => {
                    if (err) {
                        console.log(err)
                        reject()
                    } else {
                        log('Create package with sucessfull')
                    }
                });

                resolve()

            }
        });
    })
}

function createFolder(name) {
    return new Promise((resolve, reject) => {
        fs.mkdir(`./${name}`, (err) => {
            if (err) {
                console.log(err)
                reject()
            } else {
                resolve()
            }
        });
    })
}

async function copyFile(fileName) {
    return new Promise((resolve, reject) => {

        fs.readFile(`template/${fileName}.template`, function (err, buf) {
            if (err) {
                console.log(err)
            } else {

                let fileString = buf.toString()

                fs.writeFile(`${fileName}`, fileString, (err) => {
                    if (err) {
                        console.log(err)
                        reject(err)
                    } else {
                        log(`Create ${fileName} with sucessfull`)
                    }
                });

                resolve()

            }
        });
    })
}


function log(mens) {
    console.log('\x1b[32m%s\x1b[36m%s', '✓ ', mens);  //cyan
}