package appconfig

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

func TestOpenAIPresets_AliasResolution(t *testing.T) {
	dir := t.TempDir()
	t.Setenv("XDG_CONFIG_HOME", dir)
	cfgDir := filepath.Join(dir, "hexai")
	if err := os.MkdirAll(cfgDir, 0o755); err != nil {
		t.Fatalf("mkdir: %v", err)
	}
	toml := `
[provider]
name = "openai"

[openai]
model = "codex"

[openai.presets]
codex = "gpt-5-codex"
`
	path := filepath.Join(cfgDir, "config.toml")
	if err := os.WriteFile(path, []byte(toml), 0o644); err != nil {
		t.Fatalf("write: %v", err)
	}
	cfg := Load(log.New(os.Stderr, "test ", 0))
	if cfg.OpenAIModel != "gpt-5-codex" {
		t.Fatalf("expected alias to resolve to gpt-5-codex, got %q", cfg.OpenAIModel)
	}
}