const { Controller } = require('bak')
const { upload, url } = require('@bakjs/minio')
const { User } = require('../models')
const { Question } = require('../models')
const { Qualification } = require('../models')
const { TopTarin } = require('../models')
const Boom = require('boom')

class UsersController extends Controller {
  init() {
    this.post('/profie', this.updateProfile)
    this.get('/users/students', this.getAll93Students, {
      auth: {mode: 'try'}
    })
    this.get('/users', this.getAllUsers)
    this.get('/users/{username}', this.getByUsername, {
      auth: {mode: 'try'}
    })
  }

  async getAll93Students (request, h){
    try{
      let users = await User.find({ $or: [{ std_numbers: { $regex: /^9331[0-9]{3}$/ } }, { authorized: true }] })
        .select('_id name username std_numbers avatar gender modified_name grad_photo')
      return users
    } catch (e) {
      console.log(e)
      throw Boom.badRequest()
    }
  }


  async getByUsername (request, h) {


    let user = await User.findOne({ username: request.params.username }).populate('posts').populate('interviews')
    // request.authorize('can_request_wall', user)
    user.votes = undefined
    user = user.toObject()
    let toBeDisplayedPosts = []

    for(let index in user.interviews){
      user.interviews[index].question = await Question.findById(user.interviews[index].question)
    }

    if (request.user && user._id.equals(request.user._id)) {
      for (let post in user.posts) {
        let author = await User.findById(user.posts[post].user).select('_id name username std_numbers avatar gender modified_name grad_photo')
        user.posts[post].user = author.toObject()
        toBeDisplayedPosts.push(user.posts[post])
      }
    } else {
      for (let post in user.posts) {
        if ((request.user && user.posts[post].user.equals(request.user._id)) || user.posts[post].approved) {
          let author = await User.findById(user.posts[post].user).select('_id name username std_numbers avatar gender modified_name grad_photo')
          user.posts[post].user = author.toObject()
          toBeDisplayedPosts.push(user.posts[post])
        }
      }
    }

    user.posts = undefined
    user.posts = toBeDisplayedPosts


    let username = user.username
    let targetUser = await User.findOne({username:username})
    let topTarinsObject = await TopTarin.findOne({user: targetUser})
    user.topTarins = topTarinsObject.topTarins


    return {user}
  }


  async updateProfile(request, h) {
    let user = request.user._id
    let avatar = request.payload.avatar
    delete request.payload.avatar

    try {
      user = await User.findById(user)
      if (avatar instanceof Buffer) {
        avatar = await upload('users', user._id + '.jpg', avatar, 'image/jpeg')
        avatar = url('users', user._id + '.jpg', avatar, 'image/jpeg')
        user.avatar = avatar
      }

      await user.save()
      return {avatar}
    } catch (e) {
      console.log(e)
      throw Boom.badRequest()

    }
  }

  async getAllUsers(request, h) {
    let results = []

    try {
      let users = await User.find()
      for(let user of users){
        let student_numbers = user.toObject().std_numbers
        results.push(student_numbers)
      }
      results.sort()

      return results
    }
     catch (e) {
      console.log(e)
      throw Boom.badRequest()

    }
  }
}




module.exports = UsersController