package mail

import "time"

// DisputeNotice is everything the four account-dispute emails say.
//
// vantage-admin's dispute package builds it. It never carries the staff note:
// the customer is told the reason category, not what staff wrote about them.
type DisputeNotice struct {
	AccountName  string
	DisputeID    string
	Reason       string
	CloudNames   []string
	SelfHosted   []SelfHostedNotice
	DisputeEmail string
	DisputeBy    time.Time
}

// SelfHostedNotice names a self-hosted install and when its licence ends,
// because that is the one thing a dispute cannot change for it.
type SelfHostedNotice struct {
	Name           string
	LicenceExpires time.Time
}

// InstanceRows lists the affected instances in the shape the layout's "rows"
// helper takes. A method rather than template logic, because a Go template
// has no way to build a list of maps.
func (n DisputeNotice) InstanceRows() []map[string]any {
	rows := make([]map[string]any, 0, len(n.CloudNames)+len(n.SelfHosted))
	for _, name := range n.CloudNames {
		rows = append(rows, map[string]any{"k": "Cloud", "v": name})
	}
	for _, s := range n.SelfHosted {
		rows = append(rows, map[string]any{
			"k": "Self-hosted",
			"v": s.Name + ", licence ends " + s.LicenceExpires.Format("2 January 2006"),
		})
	}
	return rows
}

// SendAccountLocked tells the account a dispute has locked it, that nothing is
// deleted, and how to dispute. Replies go to the dispute address.
func (s Sender) SendAccountLocked(to string, n DisputeNotice) error {
	return s.sendTemplate(to, n.DisputeEmail, "accountlocked", n)
}

// SendDisputeReminder repeats the dispute route shortly before the hold ends.
func (s Sender) SendDisputeReminder(to string, n DisputeNotice) error {
	return s.sendTemplate(to, n.DisputeEmail, "disputereminder", n)
}

// SendAccountTerminated states the outcome of a failed dispute.
func (s Sender) SendAccountTerminated(to string, n DisputeNotice) error {
	return s.sendTemplate(to, n.DisputeEmail, "accountterminated", n)
}

// SendAccountRestored states the outcome of an upheld dispute.
func (s Sender) SendAccountRestored(to string, n DisputeNotice) error {
	return s.sendTemplate(to, "", "accountrestored", n)
}