const webdriver = require('selenium-webdriver');
const { Options } = require('selenium-webdriver/chrome');
const { Command } = require('selenium-webdriver/lib/command');
const { saveFile } = require('../tools/save-file');

const fs = require('fs');
const { get } = require('superagent');

const caps = webdriver.Capabilities.chrome();


const options = new Options();
// 设置chrome.exe 位置
options.setChromeBinaryPath('C:\\Users\\cr150\\AppData\\Local\\Google\\Chrome\\Application\\chrome.exe');

// 设置为开发者模式，防止被各大网站识别出来使用了Selenium
options.addArguments('disable-blink-features=AutomationControlled')



// 淘宝账号密码
const userName = '18683971105';
const password = 'chengrang.';


/**
 * 
 * @param {obj} opts  配置
 *      noImg: false,
 *      strategy:  eager normal none
 */
async function login(opts = {}) {

    // 不加载图片, 提升速度
    if(opts.noImg){
        options.addArguments('blink-settings=imagesEnabled=false')
    }

    
    // 页面加载策略 eager normal none
    if(opts.strategy){
        caps.setPageLoadStrategy(opts.strategy);
    }


    let driver = new webdriver.Builder()
        .setChromeOptions(options)
        .withCapabilities(caps)
        .build();

    // await driver.get('https://login.taobao.com/')
    await driver.get('https://login.tmall.com')

    // 判断是否有cookie
    const cacheCookiesStr = fs.readFileSync('./cookie/cookie.json', 'utf8');
    if (cacheCookiesStr) {
        // cookie登录
        const cacheCookies = JSON.parse(cacheCookiesStr);
        for (let item of cacheCookies) {
            item.sameSite = 'Lax';
            await driver.manage().addCookie(item);
        }
        // await driver.get('https://www.taobao.com/');
        await driver.get('https://www.tmall.com');

        try {
            const loginEle = await driver.findElement(webdriver.By.xpath('//*[@id="login-info"]/span[1]/a[1]'));
            console.log('cookie登录成功');
        } catch (error) {
            // 自动登录
            await autoLogin(driver);
        }

    } else {
        // 自动登录
        await autoLogin(driver);
    }

    return driver;
}


// 自动登录
async function autoLogin(driver) {

    await driver.get('https://login.taobao.com/member/login.jhtml?tpl_redirect_url=https%3A%2F%2Flumn.tmall.com%2Fsearch.htm%3Fspm%3Da1z10.3-b-s.w5002-15438998724.1.48a63b51L03f6W%26search%3Dy&style=miniall&enup=true&newMini2=true&full_redirect=true&sub=true&from=tmall&allp=assets_css%3D3.0.10/login_pc.css&pms=1599124573437');

    // 检测登录框
    await driver.wait(webdriver.until.elementLocated(webdriver.By.xpath('//*[@id="fm-login-id"]')), 60000, '未检测到登录框');

    // 获取登录元素
    const accountEle = await driver.findElement(webdriver.By.xpath('//*[@id="fm-login-id"]'));
    const passwordEle = await driver.findElement(webdriver.By.xpath('//*[@id="fm-login-password"]'));
    const submitBtn = await driver.findElement(webdriver.By.xpath('//*[@id="login-form"]/div[4]/button'));

    // 模拟输入
    await accountEle.sendKeys(userName)
    await passwordEle.sendKeys(password);
    await submitBtn.click();

    await driver.wait(webdriver.until.elementLocated(webdriver.By.xpath('//*[@id="login-info"]/span[1]/a[1]')), 60000, '登陆超时未成功');

    console.log('自动登录成功');

    // 保存cookie
    const cookie = await (await driver).manage().getCookies();
    saveFile('cookie.json', JSON.stringify(cookie, null, 4), './cookie/');

    return driver;
}

module.exports = login;