package port

import (
	"context"

	"github.com/orchard9/rdev/internal/domain"
)

// NotifyProvisioner manages per-project email delivery on the notify service.
// Each project gets its own isolated sending host (mail.{slug}.threesix.ai),
// Resend domain with DKIM/SPF, and a dedicated notify account with send key.
type NotifyProvisioner interface {
	// CreateProjectNotify provisions a notify host, Resend domain, DNS records,
	// and account with send key for the project.
	CreateProjectNotify(ctx context.Context, projectID, slug string) (*domain.NotifyCredentials, error)

	// DeleteProjectNotify removes all notify resources for a project:
	// the notify account, the per-project host, the Resend domain, and DNS records.
	DeleteProjectNotify(ctx context.Context, projectID, slug, resendDomainID string) error

	// GetProjectNotify returns notify credentials for a project, or nil if not provisioned.
	GetProjectNotify(ctx context.Context, projectID string) (*domain.NotifyCredentials, error)

	// TestConnection verifies the admin API key and notify service are reachable.
	TestConnection(ctx context.Context) error

	// VerifyProjectNotify triggers Resend domain verification for the given resend domain ID.
	// Should be called after DNS records have had time to propagate.
	VerifyProjectNotify(ctx context.Context, projectID, resendDomainID string) error

	// GetNotifyDomainStatus returns the Resend verification status for the project's email domain.
	GetNotifyDomainStatus(ctx context.Context, host, resendDomainID string) (*domain.NotifyDomainStatus, error)

	// ProvisionNotifyDomain creates the Resend domain for an existing notify host,
	// adds DKIM/SPF DNS records, and starts async verification.
	// Use this to repair projects where steps 7-9 of CreateProjectNotify failed.
	// Returns the Resend domain ID for storage in the credential store.
	ProvisionNotifyDomain(ctx context.Context, projectID, host string) (resendDomainID string, err error)

	// ReprovisionNotifyHost migrates a project's notify setup to a new sending host.
	// Tears down oldHost's notify host entry, Resend domain, and DNS records, then
	// creates new ones for newHost. The project's account and send key are preserved.
	// Returns partial credentials (Host, From, ResendDomainID) for storage in the credential store.
	ReprovisionNotifyHost(ctx context.Context, projectID, oldHost, oldResendDomainID, newHost string) (*domain.NotifyCredentials, error)
}