package gitcmd

import (
	"strings"
	"testing"
)

func TestGetBlobText(t *testing.T) {
	f := newFixture(t)
	b, err := f.repo.GetBlob("HEAD", "README.md")
	if err != nil {
		t.Fatal(err)
	}
	if b.Ref != "HEAD" || b.Path != "README.md" {
		t.Errorf("Ref/Path = %q/%q", b.Ref, b.Path)
	}
	if b.Content != readmeV2 {
		t.Errorf("Content = %q, want %q", b.Content, readmeV2)
	}
	if b.Encoding != "text" {
		t.Errorf("Encoding = %q, want text", b.Encoding)
	}
	if b.IsBinary {
		t.Error("IsBinary = true, want false")
	}
	if b.Size != int64(len(readmeV2)) {
		t.Errorf("Size = %d, want %d", b.Size, len(readmeV2))
	}
	if len(b.SHA) != 40 {
		t.Errorf("SHA len = %d, want 40", len(b.SHA))
	}
}

func TestGetBlobBinary(t *testing.T) {
	f := newFixture(t)
	b, err := f.repo.GetBlob("HEAD", "binary.bin")
	if err != nil {
		t.Fatal(err)
	}
	if !b.IsBinary {
		t.Error("IsBinary = false, want true (contains NUL)")
	}
	if b.Encoding != "base64" {
		t.Errorf("Encoding = %q, want base64", b.Encoding)
	}
	if b.Size != int64(len(binaryContent)) {
		t.Errorf("Size = %d, want %d", b.Size, len(binaryContent))
	}

	if b.Content != string(binaryContent) {
		t.Errorf("binary Content mismatch")
	}
}

func TestGetBlobMissingPath(t *testing.T) {
	f := newFixture(t)
	_, err := f.repo.GetBlob("HEAD", "does/not/exist.txt")
	if err == nil {
		t.Fatal("expected error for missing path")
	}
}

func TestGetRawContent(t *testing.T) {
	f := newFixture(t)

	raw, err := f.repo.GetRawContent("HEAD", "README.md")
	if err != nil {
		t.Fatal(err)
	}
	if raw != readmeV2 {
		t.Errorf("raw README = %q, want %q", raw, readmeV2)
	}

	binRaw, err := f.repo.GetRawContent("HEAD", "binary.bin")
	if err != nil {
		t.Fatal(err)
	}
	if binRaw != string(binaryContent) {
		t.Errorf("binary raw mismatch: %q", binRaw)
	}
	if !strings.ContainsRune(binRaw, 0) {
		t.Error("binary raw should contain a NUL byte")
	}
}