package analytics

import "testing"

func TestScrubDwellNonNeg(t *testing.T) {
	_, end, err := scrubProps("page_leave", map[string]interface{}{
		"dwell_ms": float64(1200),
		"phone":    "13800000000",
	})
	if err != nil {
		t.Fatal(err)
	}
	if end != nil {
		t.Fatal("page_leave should not produce session end")
	}
	_, end, err = scrubProps("session_end", map[string]interface{}{
		"exit_page":    "/ask",
		"duration_ms":  float64(5000),
		"birthday":     "1990-01-01",
	})
	if err != nil {
		t.Fatal(err)
	}
	if end == nil || end.ExitPage != "/ask" || end.DurationMs != 5000 {
		t.Fatalf("bad end: %+v", end)
	}
	_, _, err = scrubProps("page_leave", map[string]interface{}{"dwell_ms": float64(-1)})
	if err != ErrInvalidBatch {
		t.Fatalf("want ErrInvalidBatch for negative dwell, got %v", err)
	}
}

func TestParseDayRange(t *testing.T) {
	from, to, err := ParseDayRange("2026-08-01", "2026-08-07")
	if err != nil {
		t.Fatal(err)
	}
	if to.Sub(from).Hours() != 7*24 {
		t.Fatalf("range=%v", to.Sub(from))
	}
	_, _, err = ParseDayRange("2026-08-07", "2026-08-01")
	if err != ErrInvalidBatch {
		t.Fatalf("want invalid, got %v", err)
	}
}