package local

import (
	"context"
	"fmt"

	"galaxy/user/internal/ports"
)

// NoopDomainEventPublisher validates and discards auxiliary user-domain
// events.
type NoopDomainEventPublisher struct{}

// PublishProfileChanged validates event and discards it.
func (NoopDomainEventPublisher) PublishProfileChanged(ctx context.Context, event ports.ProfileChangedEvent) error {
	return validateNoopPublish(ctx, "publish profile changed event", event.Validate)
}

// PublishSettingsChanged validates event and discards it.
func (NoopDomainEventPublisher) PublishSettingsChanged(ctx context.Context, event ports.SettingsChangedEvent) error {
	return validateNoopPublish(ctx, "publish settings changed event", event.Validate)
}

// PublishEntitlementChanged validates event and discards it.
func (NoopDomainEventPublisher) PublishEntitlementChanged(ctx context.Context, event ports.EntitlementChangedEvent) error {
	return validateNoopPublish(ctx, "publish entitlement changed event", event.Validate)
}

// PublishSanctionChanged validates event and discards it.
func (NoopDomainEventPublisher) PublishSanctionChanged(ctx context.Context, event ports.SanctionChangedEvent) error {
	return validateNoopPublish(ctx, "publish sanction changed event", event.Validate)
}

// PublishLimitChanged validates event and discards it.
func (NoopDomainEventPublisher) PublishLimitChanged(ctx context.Context, event ports.LimitChangedEvent) error {
	return validateNoopPublish(ctx, "publish limit changed event", event.Validate)
}

// PublishDeclaredCountryChanged validates event and discards it.
func (NoopDomainEventPublisher) PublishDeclaredCountryChanged(ctx context.Context, event ports.DeclaredCountryChangedEvent) error {
	return validateNoopPublish(ctx, "publish declared-country changed event", event.Validate)
}

func validateNoopPublish(ctx context.Context, operation string, validate func() error) error {
	if ctx == nil {
		return fmt.Errorf("%s: nil context", operation)
	}
	if err := ctx.Err(); err != nil {
		return err
	}

	return validate()
}

var (
	_ ports.ProfileChangedPublisher         = NoopDomainEventPublisher{}
	_ ports.SettingsChangedPublisher        = NoopDomainEventPublisher{}
	_ ports.EntitlementChangedPublisher     = NoopDomainEventPublisher{}
	_ ports.SanctionChangedPublisher        = NoopDomainEventPublisher{}
	_ ports.LimitChangedPublisher           = NoopDomainEventPublisher{}
	_ ports.DeclaredCountryChangedPublisher = NoopDomainEventPublisher{}
)