package config

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

func TestLoadExample(t *testing.T) {
	dir := t.TempDir()
	p := filepath.Join(dir, "cfg.yaml")
	if err := os.WriteFile(p, []byte(`
listen: ":0"
allow_all: true
servers:
  - alias: main_srv
    base_url: http://127.0.0.1:9091
`), 0644); err != nil {
		t.Fatal(err)
	}
	c, err := Load(p)
	if err != nil {
		t.Fatal(err)
	}
	if c.Listen != ":0" {
		t.Fatalf("listen: %q", c.Listen)
	}
	_, err = c.Parse()
	if err != nil {
		t.Fatal(err)
	}
}

func TestValidateDuplicateAlias(t *testing.T) {
	c := &Config{
		Servers: []Server{
			{Alias: "a", BaseURL: "http://x:1"},
			{Alias: "a", BaseURL: "http://y:2"},
		},
	}
	if err := c.Validate(); err == nil {
		t.Fatal("expected error")
	}
}