const { Controller } = require('egg');

const CryptoJS = require("crypto-js");

const KEY = CryptoJS.enc.Utf8.parse('BDQH');

const decryptRequest = (body) => {
  return CryptoJS.AES.decrypt(body, KEY, {
    mode: CryptoJS.mode.ECB,
    padding: CryptoJS.pad.Pkcs7
  }).toString(CryptoJS.enc.Utf8);
};

const checkUid = async (ctx) => {
  const uid = ctx.request.body.uid;
  const token = ctx.request.header.authorization;
  const redis = ctx.app.redis;
  let rdmcode;
  if (!uid) {
    const [buser, cuser, tuser] = await Promise.all([
      redis.get('db0').get(token),
      redis.get('db1').get(token),
      redis.get('db5').get(token),
    ]);
    rdmcode = buser || cuser || tuser;
  } else {
    let decryptUid = decryptRequest(uid).split('?')[0];
    const redisType = {
      "B": "db0",
      "C": "db1",
      "T": "db5",
    };
    const lastCode = decryptUid[decryptUid.length - 1];
    rdmcode = await redis.get(redisType[lastCode]).get(token);
  }
  if (!rdmcode) {
    return false;
  }
  return rdmcode;
};

const fileName = "home";

const setResponse = (ctx, code, msg, model, data = {}) => {
  const modelType = {
    "none": { code, msg },
    "deconstruction": { code, msg, ...data },
    "polymerization": { code, msg, data }
  }
  ctx.body = modelType[model];
}

class HomeController extends Controller {
  // 保存挂载点
  async saveMountpoint() {
    const ctx = this.ctx;
    try {
      let rdmcode = await checkUid(ctx);
      if (!rdmcode) {
        setResponse(ctx, 401, 'token过期或错误', "none");
        return;
      }
      const uid = JSON.parse(rdmcode).uid;
      const body = ctx.request.body;
      const result = await ctx.service.home.saveMountpoint(uid, body);
      if (result == "error") {
        setResponse(ctx, 500, '服务器错误', "none");
        return;
      }
      if (result) {
        setResponse(ctx, 200, '保存挂载点成功', "none");
      } else {
        setResponse(ctx, 404, '保存挂载点失败', "none");
      }
    } catch (error) {
      const blockName = fileName + "--" + "saveMountpoint";
      ctx.app.middleware.utils.log('../../../controllerLog', blockName + ">>>>" + error);
      setResponse(ctx, 500, '服务器错误', "none");
    }
  }

  // 修改挂载点密码
  async editPassword() {
    const ctx = this.ctx;
    try {
      let rdmcode = await checkUid(ctx);
      if (!rdmcode) {
        setResponse(ctx, 401, 'token过期或错误', "none");
        return;
      }
      const uid = JSON.parse(rdmcode).uid;
      const body = ctx.request.body;
      const result = await ctx.service.home.editPassword(uid, body);
      if (result == "error") {
        setResponse(ctx, 500, '服务器错误', "none");
        return;
      }
      if (result) {
        setResponse(ctx, 200, '修改挂载点密码成功', "none");
      } else {
        setResponse(ctx, 404, '修改挂载点密码失败', "none");
      }
    } catch (error) {
      const blockName = fileName + "--" + "editPassword";
      ctx.app.middleware.utils.log('../../../controllerLog', blockName + ">>>>" + error);
      setResponse(ctx, 500, '服务器错误', "none");
    }
  }

  // 修改挂载点名称
  async editMountpoint() {
    const ctx = this.ctx;
    try {
      let rdmcode = await checkUid(ctx);
      if (!rdmcode) {
        setResponse(ctx, 401, 'token过期或错误', "none");
        return;
      }
      const uid = JSON.parse(rdmcode).uid;
      const body = ctx.request.body;
      const result = await ctx.service.home.editMountpoint(uid, body);
      if (result == "error") {
        setResponse(ctx, 500, '服务器错误', "none");
        return;
      }
      if (result) {
        setResponse(ctx, 200, '修改挂载点名称成功', "none");
      } else {
        setResponse(ctx, 404, '修改挂载点名称失败', "none");
      }
    } catch (error) {
      const blockName = fileName + "--" + "editMountpoint";
      ctx.app.middleware.utils.log('../../../controllerLog', blockName + ">>>>" + error);
      setResponse(ctx, 500, '服务器错误', "none");
    }
  }

  // 删除挂载点
  async delMountpoint() {
    const ctx = this.ctx;
    try {
      // 验证用户token
      let rdmcode = await checkUid(ctx);
      if (!rdmcode) {
        setResponse(ctx, 401, 'token过期或错误', "none");
        return;
      }
      // 解析获取用户ID
      const uid = JSON.parse(rdmcode).uid;
      const body = ctx.request.body;
      // 调用服务层删除挂载点
      const result = await ctx.service.home.delMountpoint(uid, body);
      if (result == "error") {
        setResponse(ctx, 500, '服务器错误', "none");
        return;
      }
      // 根据删除结果返回响应
      if (result) {
        setResponse(ctx, 200, '修改挂载点名称成功', "none");
      } else {
        setResponse(ctx, 404, '修改挂载点名称失败', "none");
      }
    } catch (error) {
      // 记录异常日志
      const blockName = fileName + "--" + "delMountpoint";
      ctx.app.middleware.utils.log('../../../controllerLog', blockName + ">>>>" + error);
      setResponse(ctx, 500, '服务器错误', "none");
    }
  }

  // 获取挂载点
  async getMountpoint() {
    const ctx = this.ctx;
    try {
      let rdmcode = await checkUid(ctx);
      if (!rdmcode) {
        setResponse(ctx, 401, 'token过期或错误', "none");
        return;
      }
      const uid = JSON.parse(rdmcode).uid;
      const result = await ctx.service.home.getMountpoint(uid);
      if (result == "error") {
        setResponse(ctx, 500, '服务器错误', "none");
        return;
      }
      if (result) {
        const data = { mountpoint: result };
        setResponse(ctx, 200, '获取挂载点成功', "deconstruction", data);
      } else {
        setResponse(ctx, 404, '获取挂载点失败', "none");
      }
    } catch (error) {
      const blockName = fileName + "--" + "getMountpoint";
      ctx.app.middleware.utils.log('../../../controllerLog', blockName + ">>>>" + error);
      setResponse(ctx, 500, '服务器错误', "none");
    }
  }

  // 搜索挂载点
  async searchMountpoint() {
    const ctx = this.ctx;
    try {
      let rdmcode = await checkUid(ctx);
      if (!rdmcode) {
        setResponse(ctx, 401, 'token过期或错误', "none");
        return;
      }
      const uid = JSON.parse(rdmcode).uid;
      const body = ctx.request.body;
      const result = await ctx.service.home.searchMountpoint(uid, body);
      if (result == "error") {
        setResponse(ctx, 500, '服务器错误', "none");
        return;
      }
      if (result) {
        const data = { mountpoint: result.dataValues.mountpoint };
        setResponse(ctx, 200, '搜索挂载点成功', "deconstruction", data);
      } else {
        setResponse(ctx, 203, '搜索挂载点失败', "none");
      }
    } catch (error) {
      const blockName = fileName + "--" + "searchMountpoint";
      ctx.app.middleware.utils.log('../../../controllerLog', blockName + ">>>>" + error);
      setResponse(ctx, 500, '服务器错误', "none");
    }
  }

  // 全局寻获挂载点
  async findMountpoint() {
    const ctx = this.ctx;
    try {
      const body = ctx.request.body;
      const result = await ctx.service.home.findMountpoint(body);
      if (result == "error") {
        setResponse(ctx, 500, '服务器错误', "none");
        return;
      }
      if (result) {
        const data = {
          mountpoint: result.mountpoint,
          password: result.password,
          status: result.status
        };
        setResponse(ctx, 200, '搜索挂载点成功', "deconstruction", data);
      } else {
        setResponse(ctx, 404, '搜索挂载点失败', "none");
      }
    } catch (error) {
      const blockName = fileName + "--" + "findMountpoint";
      ctx.app.middleware.utils.log('../../../controllerLog', blockName + ">>>>" + error);
      setResponse(ctx, 500, '服务器错误', "none");
    }
  }

  // 查看ntrip-clinet密码
  async viewPassword() {
    const ctx = this.ctx;
    try {
      let rdmcode = await checkUid(ctx);
      if (!rdmcode) {
        setResponse(ctx, 401, 'token过期或错误', "none");
        return;
      }
      const uid = JSON.parse(rdmcode).uid;
      const body = ctx.request.body;
      const result = await ctx.service.home.viewPassword(uid, body);
      if (result == "error") {
        setResponse(ctx, 500, '服务器错误', "none");
        return;
      }
      if (result) {
        const data = { base: result.dataValues.base };
        setResponse(ctx, 200, 'ntrip-clinet密码获取成功', "deconstruction", data);
      } else {
        setResponse(ctx, 404, 'ntrip-clinet密码获取失败', "none");
      }
    } catch (error) {
      const blockName = fileName + "--" + "viewPassword";
      ctx.app.middleware.utils.log('../../../controllerLog', blockName + ">>>>" + error);
      setResponse(ctx, 500, '服务器错误', "none");
    }
  }

  // 获取挂载点记录
  async getRecord() {
    const ctx = this.ctx;
    try {
      let rdmcode = await checkUid(ctx);
      if (!rdmcode) {
        setResponse(ctx, 401, 'token过期或错误', "none");
        return;
      }
      const uid = JSON.parse(rdmcode).uid;
      const body = ctx.request.body;
      const result = await ctx.service.home.getRecord(uid, body);
      if (result == "error") {
        setResponse(ctx, 500, '服务器错误', "none");
        return;
      }
      if (result) {
        let recordMsg = [];
        result.rows.forEach(element => {
          recordMsg.push(element.dataValues);
        });
        const data = {
          recordMsg: recordMsg,
          count: result.count
        };
        setResponse(ctx, 200, '挂载点记录查询成功', "deconstruction", data);
      } else {
        setResponse(ctx, 404, '挂载点记录查询失败', "none");
      }
    } catch (error) {
      const blockName = fileName + "--" + "getRecord";
      ctx.app.middleware.utils.log('../../../controllerLog', blockName + ">>>>" + error);
      setResponse(ctx, 500, '服务器错误', "none");
    }
  }

  // 存储消息记录
  async saveMsg() {
    const ctx = this.ctx;
    try {
      let rdmcode = await checkUid(ctx);
      if (!rdmcode) {
        setResponse(ctx, 401, 'token过期或错误', "none");
        return;
      }
      const uid = JSON.parse(rdmcode).uid;
      const body = ctx.request.body;
      const { mountpoint, original_msg } = body;
      const form = {
        mountpoint: mountpoint,
        original_msg: original_msg,
        created_at: new Date()
      };
      const result = await ctx.service.home.saveMsg(uid, form);
      if (result == "error") {
        setResponse(ctx, 500, '服务器错误', "none");
        return;
      }
      if (result) {
        setResponse(ctx, 200, '消息记录存储成功', "none");
      } else {
        setResponse(ctx, 404, '消息记录存储失败', "none");
      }
    } catch (error) {
      const blockName = fileName + "--" + "saveMsg";
      ctx.app.middleware.utils.log('../../../controllerLog', blockName + ">>>>" + error);
      setResponse(ctx, 500, '服务器错误', "none");
    }
  }

  // 设置ntrip-clinet密码
  async setPassword() {
    const ctx = this.ctx;
    try {
      let rdmcode = await checkUid(ctx);
      if (!rdmcode) {
        setResponse(ctx, 401, 'token过期或错误', "none");
        return;
      }
      const uid = JSON.parse(rdmcode).uid;
      const body = ctx.request.body;
      const result = await ctx.service.home.setPassword(uid, body);
      if (result == "error") {
        setResponse(ctx, 500, '服务器错误', "none");
        return;
      }
      if (result) {
        setResponse(ctx, 200, 'ntrip-clinet密码设置成功', "none");
      } else {
        setResponse(ctx, 404, 'ntrip-clinet密码设置失败', "none");
      }
    } catch (error) {
      const blockName = fileName + "--" + "setPassword";
      ctx.app.middleware.utils.log('../../../controllerLog', blockName + ">>>>" + error);
      setResponse(ctx, 500, '服务器错误', "none");
    }
  }

  // 获取ntrip-clinet密码
  async getPassword() {
    const ctx = this.ctx;
    try {
      const body = ctx.request.body;
      const result = await ctx.service.home.getPassword(body);
      if (result == "error") {
        setResponse(ctx, 500, '服务器错误', "none");
        return;
      }
      if (result) {
        const data = { password: result.dataValues.password };
        setResponse(ctx, 200, 'ntrip-clinet密码获取成功', "deconstruction", data);
      } else {
        setResponse(ctx, 404, 'ntrip-clinet密码获取失败', "none");
      }
    } catch (error) {
      const blockName = fileName + "--" + "getPassword";
      ctx.app.middleware.utils.log('../../../controllerLog', blockName + ">>>>" + error);
      setResponse(ctx, 500, '服务器错误', "none");
    }
  }

  // 获取历史消息
  async getHistoryMsg() {
    const ctx = this.ctx;
    try {
      let rdmcode = await checkUid(ctx);
      if (!rdmcode) {
        setResponse(ctx, 401, 'token过期或错误', "none");
        return;
      }
      const uid = JSON.parse(rdmcode).uid;
      const body = ctx.request.body;
      const result = await ctx.service.home.getHistoryMsg(uid, body);
      if (result == "error") {
        setResponse(ctx, 500, '服务器错误', "none");
        return;
      }
      if (result) {
        let historyMsg = [];
        result.rows.forEach(element => {
          historyMsg.push(element.dataValues);
        });
        const data = {
          historyMsg: historyMsg,
          count: result.count
        };
        setResponse(ctx, 200, '历史消息查找成功', "deconstruction", data);
      } else {
        setResponse(ctx, 404, '历史消息查找失败', "none");
      }
    } catch (error) {
      const blockName = fileName + "--" + "getHistoryMsg";
      ctx.app.middleware.utils.log('../../../controllerLog', blockName + ">>>>" + error);
      setResponse(ctx, 500, '服务器错误', "none");
    }
  }

  // 删除历史消息
  async delHistoryMsg() {
    const ctx = this.ctx;
    try {
      let rdmcode = await checkUid(ctx);
      if (!rdmcode) {
        setResponse(ctx, 401, 'token过期或错误', "none");
        return;
      }
      const uid = JSON.parse(rdmcode).uid;
      const body = ctx.request.body;
      const model = decryptRequest(body.model);
      const password = decryptRequest(body.password);
      const requestMsg = body.userMsg;
      const resetList = await ctx.service.home.delHistoryMsg(uid, model, password, requestMsg);
      if (resetList == "error") {
        setResponse(ctx, 500, '服务器错误', "none");
        return;
      }
      if (resetList) {
        setResponse(ctx, 200, '删除历史消息成功', "none");
      } else {
        setResponse(ctx, 404, '删除历史消息失败', "none");
      }
    } catch (error) {
      const blockName = fileName + "--" + "delHistoryMsg";
      ctx.app.middleware.utils.log('../../../controllerLog', blockName + ">>>>" + error);
      setResponse(ctx, 500, '服务器错误', "none");
    }
  }

  // 获取单位用户
  async bsideManager() {
    const ctx = this.ctx;
    try {
      let rdmcode = await checkUid(ctx);
      if (!rdmcode) {
        setResponse(ctx, 401, 'token过期或错误', "none");
        return;
      }
      const uid = JSON.parse(rdmcode).uid;
      let result;
      if (uid[uid.length - 1] == 'B') {
        const body = ctx.request.body;
        result = await ctx.service.home.bsideManager(uid, body);
      }
      if (result == "error") {
        setResponse(ctx, 500, '服务器错误', "none");
        return;
      }
      if (result) {
        let bsideUsers = [];
        result.rows.forEach(element => {
          bsideUsers.push(element.dataValues);
        });
        const data = {
          bsideUsers: bsideUsers,
          count: result.count
        };
        setResponse(ctx, 200, '获取单位用户成功', "deconstruction", data);
      } else {
        setResponse(ctx, 404, '获取单位用户失败', "none");
      }
    } catch (error) {
      const blockName = fileName + "--" + "bsideManager";
      ctx.app.middleware.utils.log('../../../controllerLog', blockName + ">>>>" + error);
      setResponse(ctx, 500, '服务器错误', "none");
    }
  }
}

module.exports = HomeController;