// ==UserScript==
// @name        Download Original Picture
// @name:zh-CN  下载原始图片
// @description  A tool to help you download full size images from websites
// @description:zh-CN  一个帮你从网站下载原始尺寸图片的工具
// @namespace    https://huching.net/
// @version     0.0.5
// @license     GPL-3.0
// @icon        data:image/svg+xml;base64,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
// @author      huc < ht@live.se >
// @supportURL  https://github.com/hz2/user-scripts-and-styles/issues/new
// @require https://greasyfork.org/scripts/396752-hx-script-library/code/hx-script-library.js
// @resource HxLib https://greasyfork.org/scripts/396752-hx-script-library/code/hx-script-library.js
// @contributionURL https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=your.email.here@example.com&item_name=Greasy+Fork+donation
// @contributionAmount 5
// @include     *://medium.com/*
// @include     *://twitter.com/*
// @include     *://mobile.twitter.com/*
// @include     *://weibo.com/*
// @include     *://*.weibo.com/*
// @include     *://*.vmgirls.com/*
// @include     *://wallpaperhub.app/*
// @include     *://*.bing.com/*
// @include     *://*.msn.cn/*
// @noframes
// @grant          unsafeWindow
// @grant          GM_setClipboard
// @grant          GM_xmlhttpRequest
// @grant          GM_openInTab
// @grant          GM_registerMenuCommand
// @grant          GM_getValue
// @grant          GM_setValue
// @grant          GM_getResourceText
// @grant          GM_info
// @grant          GM_addStyle
// @downloadURL none
// ==/UserScript==

const head = document.getElementsByTagName('head');
head[0].insertAdjacentHTML('beforeend', `<style type="text/css">
.hx-download-original-images-tool{
    position: absolute;
    background-image: url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHhtbG5zOnhsaW5rPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rIiB2aWV3Qm94PSIwIDAgNTA4IDUwOCIgeG1sOnNwYWNlPSJwcmVzZXJ2ZSI+IDxjaXJjbGUgc3R5bGU9ImZpbGw6I0ZGRDA1QjsiIGN4PSIyNTQiIGN5PSIyNTQiIHI9IjI1NCIvPiA8cGF0aCBzdHlsZT0iZmlsbDojRkZGRkZGOyIgZD0iTTM3Mi44LDE5NkgzNjhjLTIuNC00MC40LTM1LjYtNzIuNC03Ni40LTcyLjRjLTQsMC04LDAuNC0xMS42LDAuOGMtMTYtMjguNC00Ni00Ny42LTgwLjgtNDcuNiBjLTUxLjIsMC05Mi40LDQxLjYtOTIuNCw5Mi40YzAsMTAuOCwyLDIxLjIsNS4yLDMwLjhjLTI1LjIsMTAtNDIuOCwzNC00Mi44LDYyLjRjMCwzNi40LDI5LjYsNjYuNCw2Ni40LDY2LjRoMjM3LjIgYzM2LjQsMCw2Ni40LTI5LjYsNjYuNC02Ni40QzQzOC44LDIyNS42LDQwOS4yLDE5NiwzNzIuOCwxOTZ6Ii8+IDxwYXRoIHN0eWxlPSJmaWxsOiNGRjcwNTg7IiBkPSJNMzI1LjIsMzYyLjRsLTY2LjQsNjYuNGMtMi44LDIuOC03LjIsMi44LTEwLDBsLTY2LTY2LjRjLTQuNC00LjQtMS4yLTEyLDQuOC0xMmgxNC44IGM0LDAsNy4yLTMuMiw3LjItNy4ydi05NmMwLTQsMy4yLTcuMiw3LjItNy4yaDc0LjhjNCwwLDcuMiwzLjIsNy4yLDcuMnY5NmMwLDQsMy4yLDcuMiw3LjIsNy4yaDE0LjggQzMyNi40LDM1MC40LDMyOS42LDM1OCwzMjUuMiwzNjIuNHoiLz4gPC9zdmc+IA==);
    background-size: cover;
    width: 50px;
    height: 50px;
    cursor: pointer;
    opacity: .35;
    transform: scale(.75);
    transition: all cubic-bezier(0.18, 0.89, 0.32, 1.28) 250ms;
}
.hx-download-original-images-tool.white{
    background-image: url(data:image/svg+xml;base64,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);
    width: 24px;
    height: 24px;
}
.hx-download-original-images-tool:hover {
    opacity:1;
    transform: scale(.9);
}
.hx-download-original-images-tool:active {
    opacity:.8;
    transform: scale(.7)  rotateZ(360deg);
}
</style>`);


console.warn('Welcome to %c \ud83d\ude48\ud83d\ude49\ud83d\ude4a\u0020\u0048\u007a\u00b2\u0020\u0053\u0063\u0072\u0069\u0070\u0074\u0020\u004c\u0069\u0062\u0072\u0061\u0072\u0079 %c v0.06 ', 'background-color:teal;color: white;border:1px solid teal;border-radius: 4px 0 0 4px;border-left-width:0;padding:1px;margin:2px 0;font-size:1.1em', 'background-color:#777;color: white;border:1px solid #777;border-radius: 0 4px 4px 0;border-right-width:0;padding:1px;margin:5px 0;');
 
const openDown = (url, e, name) => {
  e && e.preventDefault();
  e && e.stopPropagation()
  fetch(url, {
      mode: "cors"
    })
    .then(resp => resp.blob())
    .then(r => {
      const blobUrl = URL.createObjectURL(r)
      let el = document.createElement("a");
      el.setAttribute("href", blobUrl);
      if (name) {
        el.setAttribute("download", name)
      }
      if (document.createEvent) {
        const event = document.createEvent("MouseEvents");
        event.initEvent("click", true, true);
        el.dispatchEvent(event);
      } else {
        el.click();
      }
    })
    .catch(err => {
      console.log("Request failed", err);
    });
}

const hostname = window.location.hostname

const lastItem = arr => arr.length ? arr[arr.length - 1] : ''

const createDomAll = (item, fn) => {
  let domDL = document.createElement('a');
  domDL.className = 'hx-download-original-images-tool'
  domDL.title = '下载原始图片'

  item.addEventListener('load', _ => {
    let link = fn(item.src)
    domDL.href = link
    domDL.addEventListener('click', e => openDown(link, e))
  })
  item.insertAdjacentElement('afterEnd', domDL)
}

const createDom = (cfg) => {
  const {
    parent,
    link,
    name,
    className = '',
    style = '',
    postion = 'afterEnd'
  } = cfg

  let domDL = document.createElement('a');
  Object.assign(domDL, {
    title: '下载原始图片',
    className: 'hx-download-original-images-tool ' + className,
    style: style,
    href: link,
  })
  const newName = name || lastItem(link.split('/'))
  domDL.onclick = e => openDown(link, e, newName)
  const next = parent && parent.nextElementSibling
  if (next && next.className.includes('hx-download-original-images-tool')) {
    next = domDL
  } else {
    parent.insertAdjacentElement(postion, domDL)
  }
}

const updateLink = (dom, link) => {
  dom.href = link
  const newName = lastItem(link.split('/'))
  dom.onclick = e => openDown(link, e, newName)
}

const init = () => {

  if (hostname === "twitter.com" || hostname === "mobile.twitter.com") {
    //twitter
    window.addEventListener('mouseover', ({
      target
    }) => {
      const src = target && target.src
      const parent = target.parentElement
      const next = parent && parent.nextElementSibling
      if (target.tagName == 'IMG' &&
        !(next && next.className.includes('hx-download-original-images-tool')) &&
        !/profile_images|video_thumb/g.test(src)) {
        const link = src.replace(/\&name=\w+/g, '&name=orig')
        const name = lastItem(link.split('/')).replace(/\?format=(\w+)\&name=orig/g, (_, b) => `.${b}`)
        const style = 'margin-left: 10px;margin-top: 10px;'
        const cfg = {
          parent,
          link,
          name,
          style
        }
        createDom(cfg)
      }
    })
  } else if (hostname.includes('weibo')) {
    const isWeiboNode = dom => {
      const getNodeValue = el => el.attributes['node-type'] && el.attributes['node-type'].nodeValue
      if (getNodeValue(dom.parentElement) === 'artwork_box' || getNodeValue(dom) === 'img_box' || dom.className.includes('woo-picture-main') || dom.className.includes('woo-picture-slot') || dom.className.includes('imgInstance')) {
        return true
      } else {
        return false
      }
    }
    window.addEventListener('mouseover', ({
      target
    }) => {
      const parent = target.parentElement
      const next = parent && parent.nextElementSibling
      if (target.tagName == 'IMG' && isWeiboNode(parent)) {
        const link = target.src.replace(/orj\d+|mw\d+/g, 'large')
        if (next && next.className.includes('hx-download-original-images-tool')) {
          updateLink(next, link)
        } else {
          const style = 'top: 40px;right: 10px;'
          const cfg = {
            parent,
            link,
            style
          }
          createDom(cfg)
        }
      }
    })
  } else if (hostname === "www.vmgirls.com") {
    // vmgirls
    let domDL = document.createElement('a');
    domDL.className = 'hx-download-original-images-tool '
    domDL.style = 'position: relative;margin-right: 10px;display: inline-block;vertical-align: -20px;'
    domDL.title = '下载原始图片'
    domDL.onclick = e => {
      const list1 = [...document.querySelector('.post').querySelectorAll('a')].filter(x => x.src && x.src.indexOf('static.vmgirls.com/image') !== -1)
      const list2 = [...document.querySelector('.post-content').querySelectorAll('img')].filter(x => x.src && x.src.indexOf('t.cdn.ink/image') !== -1)
      const imgList = [...list1, ...list2].map((x, i) => ({
        link: x.src && x.src.replace('-scaled', ''),
        name: `${x.alt || x.title}_${i}.jpg`
      }))
      domDL.title += ' ' + imgList.length 
      imgList.forEach(x => openDown(x.link, e, x.name))
      const link1 = imgList.map(x =>  x.link).join('\n')
      const link2 = imgList.map(x =>  `aria2c -o ${x.name} ${x.link}`).join('\n')
      const content = `<html><head><meta charset="utf-8"><title>获取链接</title></head><body><textarea style="width: 850px; height: 250px; margin: 30px;">${link1}</textarea>
      <textarea style="width: 850px; height: 250px; margin: 30px;">${link2}</textarea>
      </body></html>`      
      window.open(URL.createObjectURL(new Blob([content], {type : 'text/html'})))
    }
    document.querySelector('.main-submenu').insertAdjacentElement('afterBegin', domDL)
  } else if (hostname === "medium.com") {
    // medium
    document.querySelector('article').querySelectorAll('img').forEach(x => (x.width > 80) && createDomAll(x, src => src.replace(/max\/\d+\//g, 'max/30000/')))
  } else if (hostname === "wallpaperhub.app") {
    // wallpaperhub
    const odomList = [...document.querySelectorAll('.downloadButton')]
    odomList.forEach(odom => {
      if (odom) {
        let link0 = odom.href.split('downloadUrl=')[1]
        const link = link0
        const style = 'position: relative;margin-right: 10px;display: inline-block;vertical-align: -20px;'
        const cfg = {
          parent: odom.parentElement.parentElement,
          link,
          style,
          postion: 'beforeBegin'
        }
        createDom(cfg)
      }
    })
  } else if (hostname === "ntp.msn.cn") {
    // edge 首页
    const link = document.querySelector('background-image')._imageSource;
    const style = 'position: fixed;right: 80px;top: 40px;'
    const cfg = {
      parent: document.body,
      link,
      className: 'white',
      style,
      postion: 'beforeBegin'
    }
    createDom(cfg)
  } else if (hostname === "www.bing.com") {
    // bing 首页
    const orig = document.querySelector('[style*="th?id="]').style.backgroundImage
    const link = orig.match(/th\?id\=[\w\d\.\-\_]+/g)[0].replace('1920x1080', 'UHD')
    const name = link && link.split('=')[1]
    const style = 'position: relative;width: 42px;height: 42px;margin: 0;opacity: .9;'
    const cfg = {
      parent: document.querySelector('#id_h'),
      link,
      name,
      className: 'white',
      style,
      postion: 'afterBegin'
    }
    createDom(cfg)
  } else if (hostname === "cn.bing.com") {
    // bing 首页
    const link = document.querySelector('#bgImgProgLoad').dataset.ultraDefinitionSrc.split('&')[0];
    const name = link && link.split('=')[1]
    const style = 'position: fixed;right: 225px;bottom: 53px;margin: 0px;width: 64px;height: 64px;z-index: 550;opacity: .9;'
    const cfg = {
      parent: document.body,
      link,
      name,
      className: 'white',
      style,
      postion: 'beforeBegin'
    }
    createDom(cfg)
  }

}

setTimeout(() => {
  init()
}, 1500);