package markup
import (
"bytes"
"html/template"
)
// EmailDoc is everything the quarry email card shows. Body is trusted:
// it is EmailHTML's output, or markup the caller wrote and escaped.
type EmailDoc struct {
Title string
// Mark and Name are the header's left: what the email came from. Both
// empty is quarry's own (account mail). Surface is the header's
// muted right.
Mark template.HTML
Name string
Surface string
Context template.HTML // who did what, where
Meta string // muted line under Context: time and reference
Body template.HTML
Open string // the button's label and target; none without both
OpenURL string
ReplyIn string // what a reply does ("answer in chat"); "" for no hint
Why string
SettingsURL string // "" for mail that has no preference
HomeURL string
HomeName string
// LogoURL is the forge's own logo, served publicly as a PNG. It is
// quarry's mark in the footer, and in the header of mail that has no
// other source (account mail).
LogoURL string
}
const mailFont = "'IBM Plex Sans',-apple-system,'Segoe UI',Helvetica,Arial,sans-serif"
var emailDocTmpl = template.Must(template.New("email").Parse(`<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="color-scheme" content="light dark">
<meta name="supported-color-schemes" content="light dark">
<link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;600;700&family=IBM+Plex+Mono&display=swap">
<title>{{.Title}}</title>
<style>
@media (prefers-color-scheme: dark) {
.q-page { background:#141617 !important; }
.q-card { background:#1d2021 !important; border-color:#504945 !important; }
.q-text, .q-text td, .q-text li, .q-text p { color:#f0ece4 !important; }
.q-muted { color:#bdb6ab !important; }
.q-rule { border-color:#504945 !important; }
.q-a { color:#d99058 !important; }
.q-code { background:#32302f !important; color:#f0ece4 !important; }
.q-th { background:#2a2826 !important; color:#f0ece4 !important; border-color:#504945 !important; }
.q-tde { background:#232526 !important; }
.q-tbl { border-color:#504945 !important; }
.q-quote { border-color:#665c54 !important; color:#bdb6ab !important; }
.q-btn { background:#d99058 !important; color:#1d2021 !important; }
.q-mark { color:#d99058 !important; }
.q-idnbg { background:#32302f !important; }
}
</style>
</head>
<body style="margin:0;padding:0;">
<table role="presentation" class="q-page" width="100%" cellpadding="0" cellspacing="0" style="background:#f3ecda;padding:24px 12px;">
<tr><td align="center">
<table role="presentation" class="q-card" width="100%" cellpadding="0" cellspacing="0" style="max-width:600px;background:#fffcf5;border:1px solid #d5c4a1;border-radius:10px;">
<tr><td class="q-rule" style="padding:18px 24px 14px;border-bottom:1px solid #e6dcc0;font-family:` + mailFont + `;">
<table role="presentation" width="100%" cellpadding="0" cellspacing="0"><tr>
<td><table role="presentation" cellpadding="0" cellspacing="0"><tr>
<td style="vertical-align:middle;padding-right:8px;line-height:0;font-size:0;">{{.Mark}}</td>
<td class="q-text" style="vertical-align:middle;font-size:16px;font-weight:700;letter-spacing:-0.01em;color:#282828;">{{.Name}}</td>
</tr></table></td>
<td align="right" class="q-muted" style="font-size:12px;color:#665c54;">{{.Surface}}</td>
</tr></table>
</td></tr>
<tr><td style="padding:18px 24px 4px;font-family:` + mailFont + `;">
<div class="q-text" style="font-size:15px;color:#282828;">{{.Context}}</div>{{if .Meta}}
<div class="q-muted" style="font-size:12px;color:#665c54;margin-top:2px;">{{.Meta}}</div>{{end}}
</td></tr>
{{if .Body}} <tr><td class="q-text" style="padding:12px 24px 8px;font-family:` + mailFont + `;font-size:15px;line-height:1.55;color:#282828;">
{{.Body}}
</td></tr>{{end}}{{if and .Open .OpenURL}}
<tr><td style="padding:6px 24px 22px;font-family:` + mailFont + `;">
<a class="q-btn" href="{{.OpenURL}}" style="display:inline-block;background:#a04412;color:#fffcf5;text-decoration:none;font-weight:600;font-size:14px;padding:9px 16px;border-radius:6px;">{{.Open}}</a>{{if .ReplyIn}}
<span class="q-muted" style="font-size:13px;color:#665c54;"> or reply to this email to {{.ReplyIn}}</span>{{end}}
</td></tr>{{end}}
<tr><td class="q-rule q-muted" style="padding:14px 24px 18px;border-top:1px solid #e6dcc0;font-family:` + mailFont + `;font-size:12px;line-height:1.5;color:#665c54;">
{{.Why}}{{if .SettingsURL}}
<a class="q-a" href="{{.SettingsURL}}" style="color:#a04412;">Notification settings</a>{{end}}
<table role="presentation" cellpadding="0" cellspacing="0" style="margin-top:8px;"><tr>{{if .LogoURL}}
<td style="vertical-align:middle;padding-right:6px;line-height:0;font-size:0;"><img src="{{.LogoURL}}" alt="quarry" width="16" height="16" style="display:block;width:16px;height:16px;border:0;border-radius:4px;"></td>{{end}}
<td class="q-muted" style="vertical-align:middle;font-size:12px;line-height:1.5;color:#665c54;">Sent by quarry{{if .HomeURL}} ·
<a class="q-a" href="{{.HomeURL}}" style="color:#a04412;">{{.HomeName}}</a>{{end}}</td>
</tr></table>
</td></tr>
</table>
</td></tr>
</table>
</body>
</html>
`))
// EmailDocument renders the card around d.Body. ok is false when the
// template fails or the document exceeds EmailHTMLMax; the caller then
// sends text only.
func EmailDocument(d EmailDoc) (string, bool) {
if d.Mark == "" && d.Name == "" {
d.Mark = `<span class="q-mark" style="font-size:16px;line-height:1;color:#a04412;">◆</span>`
if d.LogoURL != "" {
d.Mark = LogoMark(d.LogoURL)
}
d.Name = "quarry"
}
var buf bytes.Buffer
if err := emailDocTmpl.Execute(&buf, d); err != nil || buf.Len() > EmailHTMLMax {
return "", false
}
return buf.String(), true
}