package identity

import (
	"context"

	"github.com/vincentc-afk/gitea-notification-hub/internal/event"
)

// ResolvedIdentity represents a resolved external identity
type ResolvedIdentity struct {
	Email     string `json:"email"`
	SlackID   string `json:"slack_id"`
	SlackName string `json:"slack_name"`
}

// Resolver resolves Gitea users to external identities (e.g., Slack)
// This interface allows for different identity providers (Gitea API, LDAP, etc.)
type Resolver interface {
	// Resolve returns the external identity for a Gitea user
	Resolve(ctx context.Context, user event.User) (*ResolvedIdentity, error)
}

// EmailLookup provides email lookup functionality
type EmailLookup interface {
	// LookupEmail looks up a user's email address by username
	LookupEmail(ctx context.Context, username string) (string, error)
}

// SlackLookup provides Slack user lookup functionality
type SlackLookup interface {
	// LookupSlackIDByEmail finds a Slack user ID by email
	LookupSlackIDByEmail(ctx context.Context, email string) (slackID, slackName string, err error)
}