import { validationResult } from 'express-validator'

import { Building, User } from '../db/index.js'
import { getUserFromRequest, success, warning } from '../helpers/index.js'
import { hashString } from '../utils/crypto.js'

import { ResponseCode } from '../ENUMS.js'

export const allowOrRevokeSharing = async (req, res) => {
  const validationErrors = validationResult(req)

  if (!validationErrors.isEmpty()) {
    return warning(res, { code: ResponseCode.ValidationError })
  }

  const { accessor, role } = getUserFromRequest(req)
  const { id } = req.params
  const { sharingAllowed } = req.body

  if (accessor === id || role === 'administrator') {
    const result = await User.findOneAndUpdate({ _id: id, role: 'user' }, {
      sharingAllowed,
      updatedAt: Date.now()
    }, {
      new: true,
      runValidators: true
    }).select('_id sharingAllowed role')

    if (result) {
      return success(res, { code: ResponseCode.UpdateSuccess })
    }

    return warning(res, { code: ResponseCode.NotFound })
  }

  warning(res, { code: ResponseCode.NotAllowed })
}

export const getUser = async (req, res) => {
  const validationErrors = validationResult(req)

  if (!validationErrors.isEmpty()) {
    return warning(res, { code: ResponseCode.ValidationError })
  }

  const { id } = req.params

  const result = await User.findById(id).select('_id email username role sharingData createdAt updatedAt')

  if (result) {
    return success(res, { data: result })
  }

  warning(res, { code: ResponseCode.NotFound })
}

export const getUsers = async (req, res) => {
  const { accessor } = getUserFromRequest(req)
  const building = await Building.find({ owner: accessor })

  if (building) {
    const buildingIds = building.map(element => element._id)

    const result = await User.find({ linkedTo: { $in: buildingIds } }).select('_id email username role sharingData createdAt updatedAt')

    if (result) {
      return success(res, { data: result })
    }
  }

  warning(res, { code: ResponseCode })
}

export const updatePassword = async (req, res) => {
  const validationErrors = validationResult(req)

  if (!validationErrors.isEmpty()) {
    return warning(res, { code: ResponseCode.ValidationError })
  }

  const { id } = req.params
  const { newPassword } = req.body

  const result = await User.findOneAndUpdate({ _id: id }, {
    encryptedPassword: hashString(newPassword),
    updatedAt: Date.now()
  }, {
    new: true,
    runValidators: true
  })

  if (result) {
    return success(res, { code: ResponseCode.UpdateSuccess })
  }

  warning(res, { code: ResponseCode.NotFound })
}

export const updateUser = async (req, res) => {
  const validationErrors = validationResult(req)

  if (!validationErrors.isEmpty()) {
    return warning(res, { code: ResponseCode.ValidationError })
  }

  const { accessor, role } = getUserFromRequest(req)
  const { id } = req.params
  const { email } = req.body

  if (accessor === id || role === 'administrator') {
    const result = await User.findOneAndUpdate({ _id: id, role: 'user' }, {
      email,
      updatedAt: Date.now()
    }, {
      new: true,
      runValidators: true
    }).select('_id email role')

    if (result) {
      return success(res, { code: ResponseCode.UpdateSuccess })
    }

    return warning(res, { code: ResponseCode.NotFound })
  }

  warning(res, { code: ResponseCode.NotAllowed })
}