package services

import (
	"testing"
	"time"
)

func TestMediaScanner_GetPollInterval(t *testing.T) {
	t.Run("nil db returns default", func(t *testing.T) {
		scanner := &MediaScanner{
			db:            nil,
			settingsCache: NewSettingsCache(30 * time.Second),
		}
		interval := scanner.GetPollInterval()
		if interval != 5*time.Minute {
			t.Errorf("expected 5m, got %v", interval)
		}
	})
}

func TestMediaScanner_GetAutoScanEnabled(t *testing.T) {
	t.Run("nil db returns default true", func(t *testing.T) {
		scanner := &MediaScanner{
			db:            nil,
			settingsCache: NewSettingsCache(30 * time.Second),
		}
		enabled := scanner.GetAutoScanEnabled()
		if enabled != true {
			t.Errorf("expected true, got %v", enabled)
		}
	})
}

func TestMediaScanner_GetExtractorVersion(t *testing.T) {
	t.Run("nil db returns default 1", func(t *testing.T) {
		scanner := &MediaScanner{
			db:            nil,
			settingsCache: NewSettingsCache(30 * time.Second),
		}
		if v := scanner.GetExtractorVersion(); v != 1 {
			t.Errorf("expected 1, got %d", v)
		}
	})

	t.Run("cached value wins (scanner read-through path)", func(t *testing.T) {
		scanner := &MediaScanner{
			db:            nil,
			settingsCache: NewSettingsCache(30 * time.Second),
		}
		scanner.settingsCache.Set("scan_extractor_version", "3")
		if v := scanner.GetExtractorVersion(); v != 3 {
			t.Errorf("expected 3, got %d", v)
		}
	})

	t.Run("cached garbage rides the default", func(t *testing.T) {
		scanner := &MediaScanner{
			db:            nil,
			settingsCache: NewSettingsCache(30 * time.Second),
		}
		scanner.settingsCache.Set("scan_extractor_version", "zero")
		if v := scanner.GetExtractorVersion(); v != 1 {
			t.Errorf("expected 1, got %d", v)
		}
	})
}