package service

import (
	"strings"
	"testing"
	"time"

	"git.casaderoll.de/michael/urbm/internal/model"
)

func TestNotificationMessageIncludesBackupStatistics(t *testing.T) {
	started := time.Date(2026, 6, 14, 12, 0, 0, 0, time.UTC)
	finished := started.Add(2*time.Minute + 8*time.Second)
	run := model.Run{TaskType: "backup", Status: "success", StartedAt: &started, FinishedAt: &finished, SnapshotID: "abc123456789abcdef", BytesAdded: 1536, FilesNew: 7, FilesChanged: 2, BytesProcessed: 5 * 1024 * 1024, FilesProcessed: 120, RetentionRemoved: 3, RetentionAfter: 14}
	message := notificationMessage("Freigaben", "LV-426", run, finished)
	for _, expected := range []string{"📊 Backup-Zusammenfassung", "📦 Repository: LV-426", "🗂️ Job: Freigaben", "📸 Snapshot: abc123456789", "⏱️ Dauer: 2 Min. 8 Sek.", "📂 Dateien: 120 verarbeitet", "💾 Verarbeitet: 5.0 MiB", "➕ Neu: 7 Dateien", "✏️ Geändert: 2 Dateien", "📤 Neu gespeichert: 1.5 KiB", "🧹 Aufbewahrung: 3 Snapshot(s) entfernt", "📸 Verbleibende Snapshots: 14", "🔐 Ziel: Restic Repository", "✅ Status: Erfolgreich"} {
		if !strings.Contains(message, expected) {
			t.Errorf("message %q does not contain %q", message, expected)
		}
	}
}

func TestNotificationTitleIncludesRepositoryAndStatus(t *testing.T) {
	run := model.Run{TaskType: "backup", Status: "failed"}
	title := notificationTitle("Freigaben", "LV-426", run)
	if title != "❌ URBM Backup: LV-426" {
		t.Fatalf("title = %q", title)
	}
}

func TestNotificationMessageIncludesPruneSummary(t *testing.T) {
	started := time.Date(2026, 6, 22, 3, 0, 0, 0, time.UTC)
	finished := started.Add(42 * time.Second)
	run := model.Run{TaskType: "prune", Status: "success", StartedAt: &started, FinishedAt: &finished, Message: "prune completed", RepositoryBefore: 100 * 1024 * 1024, RepositoryAfter: 75 * 1024 * 1024, RepositoryFreed: 25 * 1024 * 1024}
	message := notificationMessage("Repository-Bereinigung", "LV-426", run, finished)
	for _, expected := range []string{"🧹 Prune-Zusammenfassung", "📦 Repository: LV-426", "🗂️ Job: Repository-Bereinigung", "⏱️ Dauer: 42 Sekunden", "📦 Vorher: 100.0 MiB", "📦 Nachher: 75.0 MiB", "🧹 Freigegeben: 25.0 MiB", "🔐 Ziel: Restic Repository", "✅ Status: Erfolgreich"} {
		if !strings.Contains(message, expected) {
			t.Errorf("message %q does not contain %q", message, expected)
		}
	}
	if strings.Contains(message, "⚠️ Details: prune completed") {
		t.Fatalf("message contains redundant prune completion details: %q", message)
	}
}