/*
 * TencentBlueKing is pleased to support the open source community by making
 * 蓝鲸智云 - 配置平台 (BlueKing - CMDB) available.
 * Copyright (C) 2025 Tencent. All rights reserved.
 * Licensed under the MIT License (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at http://opensource.org/licenses/MIT
 * 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.
 * We undertake not to change the open source license (MIT license) applicable
 * to the current version of the project delivered to anyone in the future.
 */

package middleware

import (
	"net/http"
	"net/http/pprof"

	"git.ifooth.com/common/pkg/rest"
)

// Profiler is a convenient subrouter used for mounting net/http/pprof
func Profiler() http.Handler {
	r := rest.NewRouter()

	r.Get("/{$}", func(w http.ResponseWriter, r *http.Request) {
		http.Redirect(w, r, r.RequestURI+"/pprof/", http.StatusMovedPermanently)
	})

	r.HandleFunc("/pprof/{_...}", pprof.Index)
	r.HandleFunc("/pprof/cmdline", pprof.Cmdline)
	r.HandleFunc("/pprof/profile", pprof.Profile)
	r.HandleFunc("/pprof/symbol", pprof.Symbol)
	r.HandleFunc("/pprof/trace", pprof.Trace)

	r.Handle("/pprof/goroutine", pprof.Handler("goroutine"))
	r.Handle("/pprof/threadcreate", pprof.Handler("threadcreate"))
	r.Handle("/pprof/mutex", pprof.Handler("mutex"))
	r.Handle("/pprof/heap", pprof.Handler("heap"))
	r.Handle("/pprof/block", pprof.Handler("block"))
	r.Handle("/pprof/allocs", pprof.Handler("allocs"))

	return r
}