// SPDX-License-Identifier: Apache-2.0

// Copyright 2025 Suyono
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package watcher

import (
	"bytes"
	"encoding/json"
	"os"
	"path/filepath"
	"testing"

	_ "gitea.suyono.dev/suyono/caddy-autoreload/autoreload"
	caddycmd "github.com/caddyserver/caddy/v2/cmd"
	_ "github.com/caddyserver/caddy/v2/modules/standard"
)

func prettyJSON(t *testing.T, b []byte) string {
	t.Helper()

	buf := new(bytes.Buffer)
	if err := json.Indent(buf, b, "", "  "); err != nil {
		return string(b)
	}

	return buf.String()
}

func TestParseModule(t *testing.T) {
	cfgdir, ok := os.LookupEnv("CADDY_CONFIG_DIR")
	if !ok {
		t.Fatal("CADDY_CONFIG_DIR env variable is not set")
	}

	var (
		b   []byte
		str string
		err error
	)
	if b, str, err = caddycmd.LoadConfig(filepath.Join(cfgdir, "Caddyfile"), "caddyfile"); err != nil {
		t.Fatal("failed to load config:", err)
	}

	t.Log("loaded config file:", str)
	t.Log("json data:", prettyJSON(t, b))
}