package accept

import (
	"bytes"
	"io"
	"net/http"
	"strings"
	"time"
)

// RouteStatus 探测结果。
type RouteStatus int

const (
	RouteMissing RouteStatus = iota // 404 / 无此路由
	RoutePresent                    // 路由存在（含 4xx/5xx 业务响应）
)

// ProbeMethod 对运行中的服务发一次 HTTP 请求。
func ProbeMethod(base, method, path string, body []byte) (statusCode int, bodyText string, err error) {
	var rdr io.Reader
	if body != nil {
		rdr = bytes.NewReader(body)
	}
	req, err := http.NewRequest(method, strings.TrimRight(base, "/")+path, rdr)
	if err != nil {
		return 0, "", err
	}
	if body != nil {
		req.Header.Set("Content-Type", "application/json")
	}
	client := &http.Client{Timeout: 10 * time.Second}
	resp, err := client.Do(req)
	if err != nil {
		return 0, "", err
	}
	defer func() { _ = resp.Body.Close() }()
	b, _ := io.ReadAll(io.LimitReader(resp.Body, 64*1024))
	return resp.StatusCode, string(b), nil
}

// ClassifyAdminLogin 判断管理登录是否已挂到进程。
// 404 → 未挂载；其它（含 400/401/429）视为已挂载。
func ClassifyAdminLogin(code int) RouteStatus {
	if code == http.StatusNotFound {
		return RouteMissing
	}
	return RoutePresent
}

// ClassifyRegister 判断注册路由是否已挂到进程。
func ClassifyRegister(code int) RouteStatus {
	if code == http.StatusNotFound {
		return RouteMissing
	}
	return RoutePresent
}

// ClassifyCreateEndpoint 判断开通端路由是否已挂到进程。
func ClassifyCreateEndpoint(code int) RouteStatus {
	if code == http.StatusNotFound {
		return RouteMissing
	}
	return RoutePresent
}