import path from 'path'
import nodemailer, { TransportOptions } from 'nodemailer'
import fs from 'fs-extra'
import consola from 'consola'
import {
  POST,
  QRequestController,
  SECURE,
} from './../../modules/RequestController'

interface Lead {
  name: string
  phone: string
  email: string
  [index: string]: any
}
interface Data {
  email: boolean
  data: Lead
}

export default class CRMController extends QRequestController {
  @POST
  @SECURE()
  async get() {
    const skip = this.query.skip ? Number(this.query.skip) : 0
    const limit = this.query.limit ? Number(this.query.limit) : 0
    const leads = await this.db
      .collection('crm')
      .find()
      .project({ admin_email: 0, project_name: 0 })
      .sort({ createDate: -1 })
      .skip(skip)
      .limit(limit)
      .toArray()
    return leads
  }

  @POST
  async add() {
    const date = new Date().toISOString()
    const params: Data = this.body
    const lead = params.data
    lead.createDate = date
    await this.db.collection('crm').insertOne(lead)
    if (params.email) {
      this.sendEmail(lead)
    }
    return this.answer(true)
  }

  async sendEmail(lead: Lead) {
    const [
      {
        smtpUser,
        smtpPass,
        smtpHost,
        smtpPort,
        smtpNonSecure,
        adminEmail,
        projectName,
        lang,
      },
    ] = await this.db
      .collection('settings')
      .find({ _id: 'main' })
      .project({
        smtpUser: 1,
        smtpPass: 1,
        smtpHost: 1,
        smtpPort: 1,
        smtpNonSecure: 1,
        adminEmail: 1,
        projectName: 1,
        lang: 1,
      })
      .toArray()
    const nodemailerParams = {
      host: smtpHost || 'smtp.yandex.ru',
      port: Number(smtpPort) || 465,
      secure: !smtpNonSecure,
      auth: {
        user: smtpUser || 'api@kolbins.ru',
        pass: smtpPass || '258456apiapi',
      },
    }
    const transporter = nodemailer.createTransport(
      <TransportOptions>nodemailerParams
    )

    const dataToHTML = () => {
      const array = []
      for (const key in lead) {
        const value = lead[key]
        const exclude = [
          'form_subject',
          'admin_email',
          'project_name',
          '_id',
          'createDate',
        ]
        if (!exclude.includes(key)) {
          array.push(`
          <tr style="background-color: #f8f8f8;">
            <td style="padding: 10px; border: #e9e9e9 1px solid;"><b>${key}</b></td>
            <td style="padding: 10px; border: #e9e9e9 1px solid;">${value}</td>
          </tr>
          `)
        }
      }
      return array.join('')
    }

    const template = await fs.readFile(
      path.resolve(__dirname, '../../email/templates/order.html'),
      { encoding: 'utf-8' }
    )
    const config = this.config
    const html = template
      .replace('{{subject}}', lead.form_subject)
      .replace('{{data}}', dataToHTML())
      .replace('{{title}}', lang === 'en' ? 'New lead from' : 'Заявка с сайта')
      .replace('{{link}}', `${config.protocol}://${config.staticIP}`)
      .replace('{{site}}', `${config.staticIP}`)

    const email = {
      from: `"${lead.project_name || projectName}" <${
        nodemailerParams.auth.user
      }>`,
      to: lead.admin_email || adminEmail,
      subject: lead.form_subject,
      html,
    }
    const emailResult = await transporter.sendMail(email).catch((error) => {
      consola.error(error)
      // req.app.get('sendError')(error)
    })
    console.log(emailResult)
  }
}