package app

import (
	"bytes"
	"log"
	"net/http"
	"text/template"

	"github.com/gin-gonic/gin"
)

const thunderbirdTpl = `
<clientConfig version="1.1">
<emailProvider id="{{ .Domain }}">
<domain>{{ .Domain }}</domain>
<displayName>{{ .DisplayName }}</displayName>
<displayShortName>{{ .DisplayShortName }}</displayShortName>

{{- if .IMAPEnabled }}
<incomingServer type="imap">
<hostname>{{ .IMAPServer }}</hostname>
<port>{{ .IMAPPort }}</port>
{{- if .IMAPSSL }}
<socketType>SSL</socketType>
{{- else }}
<socketType>plain</socketType>
{{- end }}
<authentication>password-encrypted</authentication>
<username>%EMAILADDRESS%</username>
</incomingServer>
{{- end }}

{{- if .POP3Enabled }}
<incomingServer type="pop3">
<hostname>{{ .POP3Server }}</hostname>
<port>{{ .POP3Port }}</port>
{{- if .POP3SSL }}
<socketType>SSL</socketType>
{{- else }}
<socketType>plain</socketType>
{{- end }}
<authentication>password-cleartext</authentication>
<username>%EMAILADDRESS%</username>
</incomingServer>
{{- end }}

{{- if .SMTPEnabled }}
<outgoingServer type="smtp">
<hostname>{{ .SMTPServer }}</hostname>
<port>{{ .SMTPPort }}</port>
{{- if .SMTPSSL }}
<socketType>SSL</socketType>
{{- else }}
{{if .SMTPTLS }}
<socketType>STARTTLS</socketType>
{{- else }}
<socketType>plain</socketType>
{{- end }}
{{- end }}
<authentication>password-encrypted</authentication>
<username>%EMAILADDRESS%</username>
</outgoingServer>
{{- end }}

</emailProvider>
</clientConfig>
`

var thunderbirdTemplate *template.Template

// https://wiki.mozilla.org/Thunderbird:Autoconfiguration:ConfigFileFormat

func RenderThunderbird(g *gin.Context) {
	host := g.Request.Host
	domain, ok := Domains[host]
	if !ok {
		g.JSON(404, gin.H{"code": "PAGE_NOT_FOUND", "message": "Page not found"})
		return
	}

	var b bytes.Buffer
	if err := thunderbirdTemplate.Execute(&b, domain); err != nil {
		log.Fatal(err)
	}

	g.Header("Content-Type", "application/xml; charset=utf-8")
	g.String(http.StatusOK, b.String())
}

// curl http://127.0.0.1:8888/.well-known/autoconfig/mail/config-v1.1.xml