package builder

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

func TestCheckBuildSizeEnforced(t *testing.T) {
	h := &Handler{policy: BuildPolicy{MaxBuildSizeMB: 1}}
	if err := h.checkBuildSize(2 * 1024 * 1024); err == nil {
		t.Fatal("expected oversize error")
	}
	if err := h.checkBuildSize(512 * 1024); err != nil {
		t.Fatalf("expected within limit: %v", err)
	}
}

func TestCheckBuildSizeFile(t *testing.T) {
	h := &Handler{policy: BuildPolicy{MaxBuildSizeMB: 1}}
	path := filepath.Join(t.TempDir(), "big.zip")
	if err := os.WriteFile(path, make([]byte, 2*1024*1024), 0644); err != nil {
		t.Fatal(err)
	}
	if err := h.checkBuildSizeFile(path); err == nil {
		t.Fatal("expected file size check failure")
	}
}

func TestMultipartMaxMemoryCoversFusionUpload(t *testing.T) {
	if multipartMaxMemory <= FusionMaxUploadBytes {
		t.Fatalf("multipartMaxMemory %d must exceed FusionMaxUploadBytes %d", multipartMaxMemory, FusionMaxUploadBytes)
	}
}

func TestFusionConstants(t *testing.T) {
	if FusionMaxUploadBytes != 2<<30 {
		t.Fatalf("FusionMaxUploadBytes: got %d want %d", FusionMaxUploadBytes, 2<<30)
	}
	if FusionDeliverablesDir != "fusion-deliverables" {
		t.Fatalf("FusionDeliverablesDir: got %q", FusionDeliverablesDir)
	}
	if mediaLockMagic != "CMVD" {
		t.Fatalf("mediaLockMagic: got %q", mediaLockMagic)
	}
}