// ==UserScript==
// @name         Humble Bundle Auto Redeem
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  HB download 页面刮key
// @author       kumi
// @match        https://www.humblebundle.com/downloads?key=*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=humblebundle.com
// @license      MIT
// @downloadURL none
// ==/UserScript==

(async function () {
  'use strict';
  const request = async ({ url, method, body, headers }) => {
    const res = await fetch(url, {
      method: method || 'GET',
      body: body || null,
      headers
    })
    if (res.status !== 200) return {}
    return res.json()
  }
  const parentEle = document.querySelector('.js-subproduct-whitebox-holder')
  const ele = document.createElement('div')
  ele.innerHTML = `<button style="display: block; font-size: 20px; margin-bottom: 10px; width: 120px; height: 40px;">全部刮开</button><textarea style="width: 50%; height: 300px;"></textarea>`
  parentEle.insertBefore(ele, parentEle.firstElementChild)
  ele.firstElementChild.onclick = async function() {
    if(this.innerText !== '全部刮开') return
    this.innerText = `正在刮key...`
    const [, orderId] = location.href.match(/downloads\?key=(\w+)/) || []
    const { tpkd_dict: { all_tpks } } = await request({
      url: `https://www.humblebundle.com/api/v1/order/${orderId}?all_tpkds=true`,
    })
    const newGameList = all_tpks.reduce((obj, item) => {
      if (!obj[item.key_type_human_name]) obj[item.key_type_human_name] = []
      obj[item.key_type_human_name].push(item)
      return obj
    }, {})
    let count = 0
    this.innerText = `${count}/${all_tpks.length}`
    const platform = Object.keys(newGameList)
    const gameText = []
    for (let i = 0; i < platform.length; i++) {
      const keyType = platform[i]
      let str = keyType + '平台'
      for (let j = 0; j < newGameList[keyType].length; j++) {
        const gameItem = newGameList[keyType][j]
        try {
          const result = await request({
            url: 'https://www.humblebundle.com/humbler/redeemkey',
            body: `keytype=${gameItem.machine_name}&key=${gameItem.gamekey}&keyindex=${gameItem.keyindex}`,
            headers: {
              'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
            },
            method: 'POST'
          })
          str += `\n${gameItem.human_name},` + result.key
          console.log(result)
        } catch (e) {
          str += `\n${gameItem.human_name},请求失败`
          console.error(e)
        } finally {
            this.innerText = `${++count}/${all_tpks.length}`
        }
      }
      gameText.push(str)
    }
    ele.lastElementChild.value = gameText.join('\n\n')
  }

})();