package dump

import (
	"errors"
	"os"
	"path/filepath"
	"strings"
	"testing"
)

func TestParseJSONFixture(t *testing.T) {
	t.Parallel()
	f, err := os.Open(filepath.Join("..", "testdata", "dumps", "e27be276.json"))
	if err != nil {
		t.Fatal(err)
	}
	defer f.Close()
	d, err := ParseJSON(f)
	if err != nil {
		t.Fatal(err)
	}
	if d.ChipUID != "e27be276" {
		t.Errorf("ChipUID = %q", d.ChipUID)
	}
	if d.Format != FormatV1 {
		t.Errorf("Format = %q", d.Format)
	}
	if len(d.Image) != 1024 {
		t.Errorf("Image len = %d", len(d.Image))
	}
	if len(d.SectorsFail) != 0 {
		t.Errorf("SectorsFail = %v", d.SectorsFail)
	}
}

func TestParseZipFixture(t *testing.T) {
	t.Parallel()
	f, err := os.Open(filepath.Join("..", "testdata", "dumps.zip"))
	if err != nil {
		t.Fatal(err)
	}
	defer f.Close()
	dumps, err := ParseZip(f)
	if err != nil {
		t.Fatal(err)
	}
	if len(dumps) != 6 {
		t.Errorf("len = %d; want 6", len(dumps))
	}
}

func TestParseJSONRejectsBadFormat(t *testing.T) {
	t.Parallel()
	_, err := ParseJSON(strings.NewReader(`{"format":"nope","chip_uid":"aa","dump_hex":"` + strings.Repeat("00", 1024) + `"}`))
	if !errors.Is(err, ErrInvalidDump) {
		t.Fatalf("err = %v; want ErrInvalidDump", err)
	}
}