package vectors

import (
	"encoding/json"
	"fmt"
	"os"
	"path/filepath"
	"testing"
)

func LoadVector(t *testing.T, f string, out interface{}) {
	p := filepath.Join("../../extern/serialization-vectors", f)
	fi, err := os.Open(p)
	if err != nil {
		t.Fatal(err)
	}

	if err := json.NewDecoder(fi).Decode(out); err != nil {
		t.Fatal(err)
	}
}

func TestBlockHeaderVectors(t *testing.T) {
	var headers []HeaderVector
	LoadVector(t, "block_headers.json", &headers)

	for i, hv := range headers {
		if hv.Block.Cid().String() != hv.Cid {
			t.Fatalf("CID mismatch in test vector %d", i)
		}

		data, err := hv.Block.Serialize()
		if err != nil {
			t.Fatal(err)
		}

		if fmt.Sprintf("%x", data) != hv.CborHex {
			t.Fatalf("serialized data mismatched for test vector %d", i)
		}
	}
}

func TestMessageSigningVectors(t *testing.T) {
	// TODO:
}