// Package util ...
//
// Description : util ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 2025-08-18 21:36
package util

import (
	"net/http"
	"net/url"
	"os"
	"reflect"
	"sync"

	"git.zhangdeman.cn/zhangdeman/consts"
	"github.com/gin-gonic/gin"
)

const (
	FakeUriDefault = "git.zhangdeman.cn/zhangdeman/gin@util/fake"
)

// FakeGinContext 伪造gin.Context
func FakeGinContext(fakeUri string, ctxData map[string]any) *gin.Context {
	if fakeUri == "" {
		fakeUri = FakeUriDefault
	}
	h, _ := os.Hostname()
	ctx := &gin.Context{
		Request: &http.Request{
			Method: http.MethodPost,
			URL: &url.URL{
				Scheme: consts.SchemeHTTPS.String(),
				User:   nil,
				Host:   h,
				Path:   fakeUri,
			},
			Header:     map[string][]string{},
			Host:       h,
			RemoteAddr: "localhost",
			RequestURI: fakeUri,
		},
		Keys: map[string]any{},
	}
	ctxReflectVal := reflect.ValueOf(ctx).Elem()
	field := ctxReflectVal.FieldByName("mu")
	if field.IsValid() && field.CanSet() {
		field.Set(reflect.ValueOf(sync.Mutex{}))
	}
	for k, v := range ctxData {
		ctx.Set(k, v)
	}
	ctx.Copy()
	return ctx
}

// Copy 复制gin.Context, 解决原生复制没有初始化mu的问题
func Copy(ctx *gin.Context) *gin.Context {
	if nil == ctx {
		return nil
	}
	newCtx := ctx.Copy()
	ctxReflectVal := reflect.ValueOf(newCtx).Elem()
	field := ctxReflectVal.FieldByName("mu")
	if field.IsValid() && field.CanSet() {
		field.Set(reflect.ValueOf(sync.Mutex{}))
	}
	return newCtx
}