import { singleton } from 'zutils'
import { timeoutFetch } from 'zutils/utils/net.util'

export const DEFAULT_VERIFY_HTML = `
<h1>Email Verification</h1>
<p>CEBG needs to confirm your email address is still valid. Please click the link below to confirm you received this mail.</p>
<p><a href="{{href}}" target="_blank">Verify Email</a></p>
<p>If you're worried about this email being legitimate, you can visit CEBG directly to confirm your email needs verifying. After doing so, please don't forget to click the link above.</p>
`

export const DEFAULT_REGIST_SUBJECT = 'CEBG regist code'
export const DEFAULT_REGIST_HTML = `
<h1>Your CEBG regist code is</h1>
<h1>{{ocde}}</h1>
<p>{{time}}</p>
<p>This is your one time code that expires in 5 minutes.</p>
<p>Use it to login CEBG. Never share this code with anyone.</p>
`

export const DEFAULT_RESET_SUBJECT = 'CEBG reset password code'
export const DEFAULT_RESET_HTML = `
<h1>Your CEBG reset password code is</h1>
<h1>{{ocde}}</h1>
<p>{{time}}</p>
<p>This is your one time code that expires in 5 minutes.</p>
<p>Use it to login CEBG. Never share this code with anyone.</p>
`
export const DEFAULT_VERIFY_MAIL_SUBJECT = 'CEBG verify email code'
export const DEFAULT_VERIFY_MAIL_HTML = `
<h1>Your CEBG verify email code is</h1>
<h1>{{ocde}}</h1>
<p>{{time}}</p>
<p>This is your one time code that expires in 5 minutes.</p>
<p>Use it to login CEBG. Never share this code with anyone.</p>
`

export const DEFAULT_LOGIN_MAIL_SUBJECT = 'Counter Fire email login code'
export const DEFAULT_LOGIN_MAIL_HTML = `
<h1>Enter this code to complete your sign in:</h1>
<h1>{{ocde}}</h1>
<p>{{time}}</p>
<p>Please enter it within 5 minutes as it expires shortly. </p>
<p>For security purposes, do not share this code with anyone.</p>
<p>Best,</p>
<p>The Counter Fire Team</p>
`

export interface IMailData {
  from?: string
  to: string
  subject?: string
  text?: string
  html?: string
}

const DEFAULT_MSG_DATA: IMailData = {
  from: 'CEBG <noreply@cebg.games>',
  to: '',
  subject: 'Please verify your email address',
}
const MAIL_SVR = process.env.EMAIL_SERVER

@singleton
export class EmailSvr {
  public sendMail(msg: IMailData) {
    let url = MAIL_SVR + '/mail/send'
    Object(DEFAULT_MSG_DATA).zssign(msg)
    const options: any = {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json; charset=utf-8',
      },
      body: JSON.stringify({ message: msg }),
    }

    return timeoutFetch(url, options, 10000).then(res => res.json())
  }
}