package docker //nolint:testpackage // tests unexported buildAuthConfigs

import (
	"testing"
)

func TestBuildAuthConfigsEmpty(t *testing.T) {
	t.Parallel()

	result := buildAuthConfigs(nil)
	if len(result) != 0 {
		t.Errorf("expected empty map, got %d entries", len(result))
	}
}

func TestBuildAuthConfigsSingle(t *testing.T) {
	t.Parallel()

	auths := []RegistryAuth{
		{
			Registry: "registry.example.com",
			Username: "user",
			Password: "pass",
		},
	}

	result := buildAuthConfigs(auths)

	if len(result) != 1 {
		t.Fatalf("expected 1 entry, got %d", len(result))
	}

	cfg, ok := result["registry.example.com"]
	if !ok {
		t.Fatal("expected registry.example.com key")
	}

	if cfg.Username != "user" {
		t.Errorf("expected username 'user', got %q", cfg.Username)
	}

	if cfg.Password != "pass" {
		t.Errorf("expected password 'pass', got %q", cfg.Password)
	}

	if cfg.ServerAddress != "registry.example.com" {
		t.Errorf("expected server address 'registry.example.com', got %q", cfg.ServerAddress)
	}
}

func TestBuildAuthConfigsMultiple(t *testing.T) {
	t.Parallel()

	auths := []RegistryAuth{
		{Registry: "ghcr.io", Username: "ghuser", Password: "ghtoken"},
		{Registry: "docker.io", Username: "dkuser", Password: "dktoken"},
	}

	result := buildAuthConfigs(auths)

	if len(result) != 2 {
		t.Fatalf("expected 2 entries, got %d", len(result))
	}

	ghcr := result["ghcr.io"]
	if ghcr.Username != "ghuser" || ghcr.Password != "ghtoken" {
		t.Errorf("unexpected ghcr.io config: %+v", ghcr)
	}

	dkr := result["docker.io"]
	if dkr.Username != "dkuser" || dkr.Password != "dktoken" {
		t.Errorf("unexpected docker.io config: %+v", dkr)
	}
}

func TestRegistryAuthStruct(t *testing.T) {
	t.Parallel()

	auth := RegistryAuth{
		Registry: "registry.example.com",
		Username: "testuser",
		Password: "testpass",
	}

	if auth.Registry != "registry.example.com" {
		t.Errorf("expected registry 'registry.example.com', got %q", auth.Registry)
	}

	if auth.Username != "testuser" {
		t.Errorf("expected username 'testuser', got %q", auth.Username)
	}

	if auth.Password != "testpass" {
		t.Errorf("expected password 'testpass', got %q", auth.Password)
	}
}