package video

import (
	"os"
	"testing"

	"galo/internal/config"
)

func TestDetectUnavailable(t *testing.T) {
	tc := Detect(config.Video{
		FFmpegPath:  "definitely-missing-ffmpeg-xyz",
		FFprobePath: "definitely-missing-ffprobe-xyz",
	})
	if tc.Available() {
		t.Fatalf("expected unavailable toolchain, got %+v", tc)
	}
}

func TestDetectAvailable(t *testing.T) {
	self, err := os.Executable()
	if err != nil {
		t.Fatalf("executable: %v", err)
	}
	tc := Detect(config.Video{FFmpegPath: self, FFprobePath: self, TempDir: "/tmp"})
	if !tc.Available() {
		t.Fatalf("expected available toolchain, got %+v", tc)
	}
	if tc.FFmpegPath() != self || tc.FFprobePath() != self {
		t.Fatalf("paths = %q %q", tc.FFmpegPath(), tc.FFprobePath())
	}
	if tc.TempDir() != "/tmp" {
		t.Fatalf("temp dir = %q", tc.TempDir())
	}
}

func TestNilToolchain(t *testing.T) {
	var tc *Toolchain
	if tc.Available() {
		t.Fatal("nil toolchain must be unavailable")
	}
	if tc.FFmpegPath() != "" || tc.FFprobePath() != "" || tc.TempDir() != "" {
		t.Fatal("nil toolchain accessors must be empty")
	}
}