const teacherModel = require('../model/teacher');
const userModel = require('../model/user');
const Response = require('../util/response');
const getTokenUser = require('../util/tokenProcessor');


class AdminController {

  static async getApplications(ctx){
    let theUser = await getTokenUser(ctx);
    if(theUser.role !== "ADMIN"){
      ctx.status = 401;
    }else{
      let result = await teacherModel.getApplications();
      if(result){
        ctx.body = Response.success(result);
      }else{
        ctx.body = Response.failed("获取失败");
      }
    }

  }

  static async getUsers(ctx){
    let theUser = await getTokenUser(ctx);
    if(theUser.role !== "ADMIN"){
      ctx.status = 401;
    }else{
      let result = await userModel.getUsers();
      if(result){
        ctx.body = Response.success(result);
      }else{
        ctx.body = Response.failed("获取失败");
      }
    }

  }

  static async updateUser(ctx){
    let theUser = await getTokenUser(ctx);
    if(theUser.role !== "ADMIN"){
      ctx.status = 401;
    }else{
      let result = await userModel.updateIsValid(ctx.request.body.id, ctx.request.body.isValid);
      if(result){
        ctx.body = Response.success(result);
      }else{
        ctx.body = Response.failed("获取失败");
      }
    }

  }

  static async passApplication(ctx){
    let theUser = await getTokenUser(ctx);
    if(theUser.role !== "ADMIN"){
      ctx.status = 401;
    }else{
      let result = await teacherModel.updateState(ctx.request.body.id, 'identified');
      result = result && await userModel.identifyTeacher(ctx.request.body.uid);
      if(result){
        ctx.body = Response.success(result);
      }else{
        ctx.body = Response.failed("否决失败，请重试");
      }
    }

  }

  static async rejectApplication(ctx){
    let theUser = await getTokenUser(ctx);
    if(theUser.role !== "ADMIN"){
      ctx.status = 401;
    }else{
      let result = await teacherModel.updateState(ctx.request.body.id, 'rejected');
      if(result){
        ctx.body = Response.success(result);
      }else{
        ctx.body = Response.failed("通过失败，请重试");
      }
    }

  }
}


module.exports = AdminController;