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

// variables
const imageWidth = 400
const imageHeight = 500
const imageQuality = 100


module.exports.create = [
  [
    body('index')
       .notEmpty().withMessage('شماره ترتیب را انتخاب کنید'),

    body('fa_first_name')
       .notEmpty().withMessage(_sr['fa'].required.first_name),

    body('en_first_name')
       .notEmpty().withMessage(_sr['fa'].required.first_name),

    body('fa_last_name')
       .notEmpty().withMessage(_sr['fa'].required.last_name),

    body('en_last_name')
       .notEmpty().withMessage(_sr['fa'].required.last_name),

    body('fa_position')
       .notEmpty().withMessage('سمت را بنویسید'),

    body('en_position')
       .notEmpty().withMessage('سمت را بنویسید')
  ],
  checkValidations(validationResult),
  async (req, res) => {
    if (!req.files || !req.files.image) return res.status(422).json({validation: {image: {msg: _sr['fa'].required.image}}})

    const {fa_first_name, en_first_name, fa_last_name, en_last_name, fa_position, en_position, index} = req.body
    const data = {
      locale: {
        fa: {
          first_name: fa_first_name,
          last_name: fa_last_name,
          position: fa_position
        },
        en: {
          first_name: en_first_name,
          last_name: en_last_name,
          position: en_position
        }
      },
      index
    }

    const image = req.files.image
    const imageName = 'team_' + en_first_name + '_' + 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/team/${imageName}`)

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

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

module.exports.getAll = [
  (req, res) => {
    Team.find({}).sort({index: 1}).exec((err, data) => {
      if (err) return res500(res, err)
      else return res.json(data)
    })
  }
]

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

module.exports.update = [
  [
    body('index')
       .notEmpty().withMessage('شماره ترتیب را انتخاب کنید'),

    body('fa_first_name')
       .notEmpty().withMessage(_sr['fa'].required.first_name),

    body('en_first_name')
       .notEmpty().withMessage(_sr['fa'].required.first_name),

    body('en_last_name')
       .notEmpty().withMessage(_sr['fa'].required.last_name),

    body('en_last_name')
       .notEmpty().withMessage(_sr['fa'].required.last_name),

    body('fa_position')
       .notEmpty().withMessage('سمت را بنویسید'),

    body('en_position')
       .notEmpty().withMessage('سمت را بنویسید')
  ],
  checkValidations(validationResult),
  async (req, res) => {
    const {fa_first_name, en_first_name, fa_last_name, en_last_name, fa_position, en_position, index} = req.body
    const data = {
      locale: {
        fa: {
          first_name: fa_first_name,
          last_name: fa_last_name,
          position: fa_position
        },
        en: {
          first_name: en_first_name,
          last_name: en_last_name,
          position: en_position
        }
      },
      index
    }

    if (req.files && req.files.image) {
      const image = req.files.image
      const imageName = 'team_' + en_first_name + '_' + 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/team/${imageName}`)

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

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