/*
什么值得买任务脚本
项目地址: https://github.com/hex-ci/smzdm_script

cron: 20 8 * * *
*/

const crypto = require('crypto')

const Env = require('./env');
const notify = require('./sendNotify');

const $ = new Env('什么值得买任务');

let cookiesArr = [];

// 判断环境变量里面是否有 cookie
if (process.env.SMZDM_COOKIE) {
  if (process.env.SMZDM_COOKIE.indexOf('&') > -1) {
    cookiesArr = process.env.SMZDM_COOKIE.split('&');
  } else if (process.env.SMZDM_COOKIE.indexOf('\n') > -1) {
    cookiesArr = process.env.SMZDM_COOKIE.split('\n');
  } else {
    cookiesArr = [process.env.SMZDM_COOKIE];
  }
}

const SIGN_KEY = "apr1$AwP!wRRT$gJ/q.X24poeBInlUJC";
const DEFAULT_USER_AGENT = "smzdm_android_V10.2.0 rv:860 (Redmi Note 3;Android10;zh)smzdmapp";

function randomStr(len = 18) {
  let char = "0123456789";
  let str = "";
  for (let i = 0; i < len; i++) {
    str += char.charAt(Math.floor(Math.random() * char.length));
  }
  return str;
}

function parseJSON(str) {
  try {
    return JSON.parse(str);
  }
  catch (e) {
    return {};
  }
}

function getToken(cookie) {
  const match = cookie.match(/sess=(.*?);/);

  return match ? match[1] : '';
}

function getHeaders(cookie) {
  return {
    'User-Agent': process.env.SMZDM_USER_AGENT || DEFAULT_USER_AGENT,
    'Accept-Language': 'zh-Hans-CN;q=1',
    'Accept-Encoding': 'gzip',
    'Connection': 'Keep-Alive',
    'request_key': randomStr(18),
    Cookie: cookie.replace('iphone', 'android').replace('iPhone', 'Android').replace('apk_partner_name=appstore', 'apk_partner_name=android')
  };
}

// 添加公共参数并签名数据
function signFormData(data) {
  const newData = {
    weixin: '1',
    f: 'android',
    v: '10.2.0',
    sk: '1',
    time: `${Math.round(new Date().getTime() / 1000)}000`,
    ...data
  };

  const keys = Object.keys(newData).sort();
  const signData = keys.map(key => `${key}=${newData[key]}`).join('&');
  const sign = crypto.createHash('md5').update(`${signData}&key=${SIGN_KEY}`).digest('hex').toUpperCase();

  return {
    ...newData,
    sign
  };
}

// 获取任务列表
async function getTaskList(cookie) {
  try {
    const response = await $.http.post({
      url: 'https://user-api.smzdm.com/task/list_new',
      headers: getHeaders(cookie),
      form: signFormData({
        get_total: '1',
        limit: '100',
        offset: '0',
        point_type: '0',
        token: getToken(cookie)
      })
    });

    const data = parseJSON(response.body);

    if (data.error_code == '0') {
      return data.data.rows[0].cell_data.activity_task.accumulate_list.task_list
    }
    else {
      return [];
    }
  }
  catch (e) {
    return [];
  }
}

// 执行浏览任务
async function doViewTask(task, cookie) {
  try {
    $.log(`开始任务: ${task.task_name}`);

    $.log('延迟 11 秒模拟阅读文章');
    await $.wait(11000);

    let response = await $.http.post({
      url: 'https://user-api.smzdm.com/task/event_view_article',
      headers: getHeaders(cookie),
      form: signFormData({
        article_id: task.article_id,
        channel_id: task.channel_id,
        token: getToken(cookie)
      })
    });

    let data = parseJSON(response.body);

    if (data.error_code != '0') {
      $.log('完成阅读失败！');

      return {
        isSuccess: false
      };
    }

    $.log('延迟 3 秒领取奖励');
    await $.wait(3000)

    const rewardResult = await receiveReward(task.task_id, cookie);

    return rewardResult;
  }
  catch (e) {
    $.log('任务异常！');

    return {
      isSuccess: false
    };
  }
}

async function receiveReward(taskId, cookie) {
  try {
    const response = await $.http.post({
      url: 'https://user-api.smzdm.com/task/activity_task_receive',
      headers: getHeaders(cookie),
      form: signFormData({
        task_id: taskId,
        token: getToken(cookie)
      })
    });

    const data = parseJSON(response.body);

    if (data.error_code == '0') {
      $.log(data.data.reward_msg);

      return {
        isSuccess: true,
        msg: data.data.reward_msg
      };
    }
    else {
      $.log(`领取任务奖励失败！${response.body}`)
      return {
        isSuccess: false,
        msg: '领取任务奖励失败！'
      };
    }
  }
  catch (e) {
    $.log('领取任务奖励请求失败！');
    return {
      isSuccess: false,
      msg: '领取任务奖励请求失败！'
    };
  }
}

async function getArticleList(cookie) {
  const response = await $.http.get({
    url: 'https://post.smzdm.com/json_more/?tab_id=tuijian&filterUrl=tuijian',
    headers: {
      Accept: "*/*",
      "Accept-Encoding": "gzip",
      "Accept-Language": "zh-cn",
      Connection: "keep-alive",
      Referer: "https://post.smzdm.com/",
      "User-Agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 14_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148/smzdm 10.4.25 rv:93.4 (iPhone13,4; iOS 14.5; zh_CN)/iphone_smzdmapp/10.4.25/wkwebview/jsbv_1.0.0",
      Cookie: cookie
    }
  });

  const data = parseJSON(response.body);

  if (data.error_code == '0') {
    // 目前只取前两个做任务
    return data.data.slice(0, 2);
  }
  else {
    $.log(`获取文章列表失败: ${data}`);
    return [];
  }
}

async function shareCallback(article, cookie) {
  try {
    const response = await $.http.post({
      url: 'https://user-api.smzdm.com/share/callback',
      headers: getHeaders(cookie),
      form: signFormData({
        article_id: article.article_hash_id,
        channel_id: article.channel_id,
        touchstone_event: '{}',
        token: getToken(cookie)
      })
    });

    const data = parseJSON(response.body);

    if (data.error_code == '0') {
      $.log('分享回调完成。');
      return {
        isSuccess: true,
        msg: ''
      };
    }
    else {
      $.log(`分享回调失败！${response.body}`)
      return {
        isSuccess: false,
        msg: '分享回调失败！'
      };
    }
  }
  catch (e) {
    $.log('分享回调请求失败！');
    return {
      isSuccess: false,
      msg: '分享回调请求失败！'
    };
  }
}

async function shareArticleDone(article, cookie) {
  try {
    const response = await $.http.post({
      url: 'https://user-api.smzdm.com/share/article_reward',
      headers: getHeaders(cookie),
      form: signFormData({
        article_id: article.article_hash_id,
        channel_id: article.channel_id,
        token: getToken(cookie)
      })
    });

    const data = parseJSON(response.body);

    if (data.error_code == '0') {
      $.log('完成分享成功。');
      return {
        isSuccess: true,
        msg: ''
      };
    }
    else {
      $.log('完成分享失败！');
      return {
        isSuccess: false,
        msg: '完成分享失败！'
      };
    }
  }
  catch (e) {
    $.log('完成分享请求失败！');
    return {
      isSuccess: false,
      msg: '完成分享请求失败！'
    };
  }
}

// 执行分享任务
async function doShareTask(task, cookie) {
  $.log(`开始任务: ${task.task_name}`);

  try {
    const articles = await getArticleList(cookie);

    for (let i = 0; i < articles.length; i++) {
      $.log(`开始分享第 ${i + 1} 篇文章...`);

      const article = articles[i];

      await shareCallback(article, cookie);

      $.log('等候 3 秒');
      $.wait(3000);

      await shareArticleDone(article, cookie);

      $.log('等候 5 秒');
      $.wait(5000);
    }

    $.log('延迟 3 秒领取奖励');
    await $.wait(3000)

    const rewardResult = await receiveReward(task.task_id, cookie);

    return rewardResult;
  }
  catch (e) {
    return {
      isSuccess: false
    };
  }
}

async function run(cookie) {
  const tasks = await getTaskList(cookie);

  let count = 0;

  for (let i = 0; i < tasks.length; i++) {
    const task = tasks[i];

    if (task.task_status == '2' && task.task_event_type == 'interactive.view.article') {
      const result = await doViewTask(task, cookie);

      if (result.isSuccess) {
        count++;
      }

      $.log('等候 5 秒');
      $.wait(5000);
    }
    else if (task.task_status == '2' && task.task_event_type == 'interactive.share') {
      const result = await doShareTask(task, cookie);

      if (result.isSuccess) {
        count++;
      }

      $.log('等候 5 秒');
      $.wait(5000);
    }
  }

  return `成功完成任务数: ${count}`;
}

!(async () => {
  if (!cookiesArr[0]) {
    $.log('\n请先设置 SMZDM_COOKIE 环境变量');
    return;
  }

  let notifyContent = '';

  for (let i = 0; i < cookiesArr.length; i++) {
    if (cookiesArr[i]) {
      if (i > 0) {
        $.log('\n延迟 5 秒执行\n');
        await $.wait(5000)
      }

      const cookie = cookiesArr[i];
      const sep = `\n******开始账号${i + 1}******\n`;

      $.log(sep);

      const msg = await run(cookie);

      $.log(msg + "\n");

      notifyContent += sep + msg + "\n";
    }
  }

  await notify.sendNotify($.name, notifyContent);
})().catch((e) => {
  $.log('', `❌ ${$.name}, 失败! 原因: ${e}!`, '')
}).finally(() => {
  $.done();
});