package alert

import (
	"image"
	"image/color"
	"os"
	"path/filepath"
	"strings"
	"testing"
	"time"

	"silverpose/v2/internal/fall"
)

func TestDispatchWritesOnePNGAndRedactedJSONL(t *testing.T) {
	dispatcher := NewDispatcher(t.TempDir(), "lobby-camera-01")
	event := fall.Event{
		EventID: "FALL-run-000001", TrackID: "P-0001", ConfigVersion: "cfg-safe",
		SuspectedAtMonotonic: 10, ConfirmedAtMonotonic: 11.8, LatencySeconds: 1.8, State: fall.Confirmed,
	}
	canvas := image.NewRGBA(image.Rect(0, 0, 2, 2))
	canvas.SetRGBA(0, 0, color.RGBA{R: 1, G: 2, B: 3, A: 255})
	now := time.Date(2026, 7, 22, 8, 0, 0, 0, time.UTC)

	first, err := dispatcher.Dispatch(event, canvas, now)
	if err != nil || !first.Written {
		t.Fatalf("first dispatch = %#v, %v", first, err)
	}
	second, err := dispatcher.Dispatch(event, canvas, now)
	if err != nil || second.Written {
		t.Fatalf("duplicate dispatch = %#v, %v", second, err)
	}
	if extension := filepath.Ext(first.ScreenshotPath); extension != ".png" {
		t.Fatalf("screenshot extension = %q", extension)
	}
	if _, err := os.Stat(first.ScreenshotPath); err != nil {
		t.Fatal(err)
	}
	jsonl, err := os.ReadFile(first.LogPath)
	if err != nil {
		t.Fatal(err)
	}
	if lines := strings.Count(strings.TrimSpace(string(jsonl)), "\n") + 1; lines != 1 {
		t.Fatalf("JSONL lines = %d: %s", lines, jsonl)
	}
	if strings.Contains(string(jsonl), "rtsp") || strings.Contains(string(jsonl), "secret") {
		t.Fatalf("JSONL leaked source details: %s", jsonl)
	}
}

func TestDispatchRejectsNonConfirmedEvent(t *testing.T) {
	dispatcher := NewDispatcher(t.TempDir(), "lobby-camera-01")
	_, err := dispatcher.Dispatch(fall.Event{EventID: "FALL-run-000001", State: fall.Suspect}, image.NewRGBA(image.Rect(0, 0, 1, 1)), time.Now())
	if err == nil {
		t.Fatal("expected non-confirmed event error")
	}
}