package watcher

import (
	"context"
	"time"

	"sneak.berlin/go/dnswatcher/internal/resolver"
	"sneak.berlin/go/dnswatcher/internal/state"
)

// NewlyDisagreeingPairs exports newlyDisagreeingPairs for testing.
func NewlyDisagreeingPairs(
	prev, current *state.HostnameState,
) [][2]string {
	return newlyDisagreeingPairs(prev, current)
}

// DetectHostnameChanges exports detectHostnameChanges for testing.
func (w *Watcher) DetectHostnameChanges(
	ctx context.Context,
	hostname string,
	prev, current *state.HostnameState,
) {
	w.detectHostnameChanges(ctx, hostname, prev, current)
}

// BuildHostnameState exports buildHostnameState for testing.
func BuildHostnameState(
	results map[string]*resolver.NameserverResponse,
	now time.Time,
) *state.HostnameState {
	return buildHostnameState(results, now)
}