const CustomerComment = require('../models/CustomerComment')
const sharp = require('sharp')
const fs = require('fs')
const {body, validationResult} = require('express-validator')
const {res404, res500, checkValidations} = require('../plugins/controllersHelperFunctions')
const {_sr} = require('../plugins/serverResponses')


// variables
const imageWidth = 350
const imageHeight = 350
const imageQuality = 100


module.exports.create = [
  [
    body('fa_name')
       .notEmpty().withMessage((value, {req}) => _sr['fa'].required.name)
       .bail()
       .isLength({min: 2}).withMessage((value, {req}) => _sr['fa'].min_char.min2),

    body('en_name')
       .notEmpty().withMessage((value, {req}) => _sr['fa'].required.name)
       .bail()
       .isLength({min: 2}).withMessage((value, {req}) => _sr['fa'].min_char.min2),

    body('fa_comment')
       .notEmpty().withMessage((value, {req}) => _sr['fa'].required.caption)
       .bail()
       .isLength({min: 2}).withMessage((value, {req}) => _sr['fa'].min_char.min2),

    body('en_comment')
       .notEmpty().withMessage((value, {req}) => _sr['fa'].required.caption)
       .bail()
       .isLength({min: 2}).withMessage((value, {req}) => _sr['fa'].min_char.min2)
  ],
  checkValidations(validationResult),
  async (req, res) => {
    const {fa_name, en_name, fa_position, en_position, fa_comment, en_comment} = req.body
    const data = {
      locale: {
        fa: {
          name: fa_name,
          position: fa_position,
          comment: fa_comment
        },
        en: {
          name: en_name,
          position: en_position,
          comment: en_comment
        }
      }
    }

    if (req.files && req.files.image) {
      const image = req.files.image
      const imageName = 'customer_' + Date.now() + '.jpg'
      data.image = imageName

      try {
        const target = await sharp(image.data)

        await target
           .resize(imageWidth, imageHeight, {fit: 'cover'})
           .withMetadata()
           .toFormat('jpg')
           .jpeg({quality: imageQuality})
           .toFile(`./static/uploads/images/customer/${imageName}`)

      } catch (e) {
        return res500(res, e)
      }
    }

    new CustomerComment(data).save((err, data) => {
      if (err) return res500(res, err)
      return res.json({message: _sr['fa'].response.success_save})
    })
  }
]

module.exports.getAll = [
  (req, res) => {
    CustomerComment.find({}, (err, data) => {
      if (err) return res500(res, err)
      return res.json(data)
    })
  }
]

module.exports.getOne = [
  (req, res) => {
    CustomerComment.findById(req.params.id, (err, data) => {
      if (err || !data) return res404(res, err)
      else return res.json(data)
    })
  }
]

module.exports.update = [
  [
    body('fa_name')
       .notEmpty().withMessage((value, {req}) => _sr['fa'].required.name)
       .bail()
       .isLength({min: 2}).withMessage((value, {req}) => _sr['fa'].min_char.min2),

    body('en_name')
       .notEmpty().withMessage((value, {req}) => _sr['fa'].required.name)
       .bail()
       .isLength({min: 2}).withMessage((value, {req}) => _sr['fa'].min_char.min2),

    body('fa_comment')
       .notEmpty().withMessage((value, {req}) => _sr['fa'].required.caption)
       .bail()
       .isLength({min: 2}).withMessage((value, {req}) => _sr['fa'].min_char.min2),

    body('en_comment')
       .notEmpty().withMessage((value, {req}) => _sr['fa'].required.caption)
       .bail()
       .isLength({min: 2}).withMessage((value, {req}) => _sr['fa'].min_char.min2)
  ],
  checkValidations(validationResult),
  async (req, res) => {
    const {fa_name, en_name, fa_position, en_position, fa_comment, en_comment} = req.body
    const data = {
      locale: {
        fa: {
          name: fa_name,
          position: fa_position,
          comment: fa_comment
        },
        en: {
          name: en_name,
          position: en_position,
          comment: en_comment
        }
      }
    }

    if (req.files && req.files.image) {
      const image = req.files.image
      const imageName = 'customer_' + Date.now() + '.jpg'
      data.image = imageName

      try {
        const target = await sharp(image.data)

        await target
           .resize(imageWidth, imageHeight, {fit: 'cover'})
           .withMetadata()
           .toFormat('jpg')
           .jpeg({quality: imageQuality})
           .toFile(`./static/uploads/images/customer/${imageName}`)

      } catch (e) {
        return res500(res, e)
      }
    }

    CustomerComment.findByIdAndUpdate(req.params.id, data, (err, oldData) => {
      if (err || !oldData) return res404(res, err)
      if (oldData.image && req.files && req.files.image) {
        fs.unlink(`./static/${oldData.image}`, err => {
          if (err) console.log(err)
        })
      }
      return res.json({message: _sr['fa'].response.success_save})
    })
  }
]

module.exports.delete = [
  (req, res) => {
    CustomerComment.findByIdAndRemove(req.params.id, (err, oldData) => {
      if (err || !oldData) return res404(res, err)
      if (oldData.image) {
        fs.unlink(`./static/${oldData.image}`, err => {
          if (err) console.log(err)
        })
      }
      return res.json({message: _sr['fa'].response.success_remove})
    })
  }
]