const { resolve, basename } = require('path');
const ora = require('ora');
const chalk = require('chalk');
const request = require('../../utils/request');
const { removeEmpty, path2CamelCase } = require('../../utils');
const output2File = require('../../utils/output2File');
const quicktypeJSON = require('../../utils/quicktypeJSON');

const spinner = ora('transforming...');

const outputInterface = (data, name, output) => {
 quicktypeJSON('TypeScript', name, JSON.stringify(data))
 .then(({ lines }) => {
 output2File(resolve(process.cwd(), output), lines.join('\n')).then(() => {
 spinner.stop();
 // eslint-disable-next-line no-console
 console.log(chalk.green('successfully 🎉 🎉 🎉'));
 });
 })
 .catch(err => console.error(err));
};

const fromRequest = options => {
 const babyData = options.body ? require(options.body) : null;
 request(
 removeEmpty({
 method: options.httpMethod,
 url: `${options.url}${options.path}`,
 data: babyData,
 }),
 )
 .then(({ data }) =>
 outputInterface(data, path2CamelCase(options.path), options.output),
 )
 .catch(err => console.error(err));
};

const fromLocalJson = options => {
 const dataJson = require(options.input);
 const name = basename(options.input)
 .split('.')[0]
 .replace(/^(\w)/g, (all, letter) => letter.toUpperCase());
 outputInterface(dataJson, name, options.output);
};

const generateInterface = options => {
 spinner.start();
 // 如果有 -i 则通过本地json生成interface
 if (options.input) {
 fromLocalJson(options);
 return;
 }
 fromRequest(options);
};

module.exports = generateInterface;