const chalk = require('chalk'); // 终端输出颜色变化
const inquirer = require('inquirer'); // 交互选项
const ora = require('ora'); // loading效果
const gitClone = require('git-clone/promise'); // 拉取项目
const fs = require('fs-extra'); // 操作文件
const path = require('path'); // 引入操作路径
const { question, projectList } = require('./config');

module.exports = {
	/**
	 * 判断文件是否存在
	 * 是否需要覆盖
	 */
	async fileIsExist(targetPath, name) {
		if (fs.existsSync(targetPath, name)) {
			const awsaner = await inquirer.prompt({
				type: 'confirm',
				message: '是否覆盖文件夹❓',
				default: false,
				name: 'overWrite',
			});

			// 用户选择是则删除文件夹
			if (awsaner.overWrite) {
				fs.remove(targetPath);
				console.log(chalk.green('✅删除成功'));
				return true;
			} else {
				console.log(chalk.yellow('❌程序退出'));
				return false;
			}
		}
	},

	/**
	 * 创建文项目
	 */
	async createProject() {
		// 选择框架和语言
		const frame = await inquirer.prompt(question.frame);
		const frame_isTypeScript = `${frame.type}&${frame.isTypeScript}`;

		// 如果选择的react框架
		if (frame.type === 'react') {
			const awsaner = await inquirer.prompt(question.react);
			const key = `${frame_isTypeScript}&${awsaner.router}`;
			return projectList[key];
		}
		// 如果选择是vue框架
		else {
			const awsaner = await inquirer.prompt(question.vue);
			const key = `${frame_isTypeScript}&${awsaner.router}`;
			return projectList[key];
		}
	},
	/**
	 * 从仓库clone项目
	 */
	async downloadProject(targetPath, key, name) {
		const spinner = ora('下载中...\n').start();

		try {
			await gitClone(key, name, { checkout: 'master' });
			spinner.succeed('😄下载成功');
			// 如果有git，删除原有的git
			if (fs.existsSync(targetPath, '.git')) {
				fs.remove(path.join(targetPath, '.git'));
			}
			const overText = `
	⚓  Running completion hooks...

	📄  Generating README.md...

	🎉  Successfully created project ${name}
	👉  Get started with the following commands:

	cd vue_js_vuex
	npm run serve
			`;
			console.log(overText);
			console.log(chalk.whiteBright('Happy hacking!'));
		} catch (error) {
			spinner.fail('😭下载失败，请稍后重试');
		}
	},
};