package device

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

func TestBundledPreviewRuntimeWithoutSystemTools(t *testing.T) {
	t.Chdir(t.TempDir())
	t.Setenv("PATH", "")
	name := "ffmpeg"
	adbName := "adb"
	if runtime.GOOS == "windows" {
		name += ".exe"
		adbName += ".exe"
	}
	for _, relative := range []string{filepath.Join("ffmpeg", name), filepath.Join("platform-tools", adbName), "scrcpy/scrcpy-server-v5.0.1"} {
		path := filepath.Join("third_party", relative)
		if err := os.MkdirAll(filepath.Dir(path), 0755); err != nil {
			t.Fatal(err)
		}
		if err := os.WriteFile(path, []byte("fixture"), 0755); err != nil {
			t.Fatal(err)
		}
	}
	if p, err := resolveScrcpyServer(); err != nil || !filepath.IsAbs(p) {
		t.Fatalf("server: %q %v", p, err)
	}
	if p, err := resolveFFmpeg(); err != nil || !filepath.IsAbs(p) {
		t.Fatalf("ffmpeg: %q %v", p, err)
	}
	if p, err := resolveAdb(); err != nil || !filepath.IsAbs(p) {
		t.Fatalf("adb: %q %v", p, err)
	}
}

func TestMissingPreviewRuntimeGivesRepairInstruction(t *testing.T) {
	t.Chdir(t.TempDir())
	t.Setenv("PATH", "")
	for _, resolve := range []func() (string, error){resolveScrcpyServer, resolveFFmpeg} {
		_, err := resolve()
		if err == nil || !strings.Contains(err.Error(), "完整的 iTuoke 安装包") || strings.Contains(err.Error(), "brew") {
			t.Fatalf("unexpected repair instruction: %v", err)
		}
	}
}