// 保存文件
const fs = require('fs');
const path = require('path');
const webdriver = require('selenium-webdriver');
const { pageInit } = require('./page-init');


/**
 *  循环列表
 * @param { WebDriver } driver 
 */
function eachList(driver) {

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

        // 等待页面加载
        await driver.wait(webdriver.until.elementLocated(webdriver.By.js(() => document.querySelectorAll('#J_ShopSearchResult .item4line1 .item'))));
        const index = 0;

        const listWindow = await driver.getWindowHandle();

        async function eachList(index) {

            let list = await driver.findElements(webdriver.By.js(() => document.querySelectorAll('#J_ShopSearchResult .item4line1 .item')));

            // 手动减去推荐（暂无其他办法）
            const endNum = list.length - 8;

            console.log(['获取list ok', endNum])
            const listItem = await list[index].findElement(webdriver.By.tagName('a'))
            const url = await listItem.getAttribute('href');

            // 等待新窗口或标签页
            await driver.switchTo().newWindow('tab');

            await driver.get(url);

            // 等待新标签页完成加载内容
            await driver.sleep(2000);

            await pageInit(driver);

            index++;
            if (index === endNum) {
                console.log('一个分类结束')
                resolve();
            } else {
                console.log(['\n\n', '开始', index + 1, '---------------------------------------------------------------------'])

                await driver.close();
                await driver.switchTo().window(listWindow);

                eachList(index);
            }
        }

        eachList(index);
    });

}

exports.eachList = eachList;