package auth

import (
	"net/http"

	"qnc-server/app/main/api/internal/logic/auth"
	"qnc-server/app/main/api/internal/svc"
	"qnc-server/app/main/api/internal/types"
	"qnc-server/common/result"
	"qnc-server/pkg/lzkit/validator"

	"github.com/zeromicro/go-zero/rest/httpx"
)

func SendSmsHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		var req types.SendSmsReq
		if err := httpx.Parse(r, &req); err != nil {
			result.ParamErrorResult(r, w, err)
			return
		}
		if err := validator.Validate(req); err != nil {
			result.ParamValidateErrorResult(r, w, err)
			return
		}
		// 获取客户端真实 IP
		clientIP := getClientIP(r)
		l := auth.NewSendSmsLogic(r.Context(), svcCtx)
		err := l.SendSms(&req, clientIP)
		result.HttpResult(r, w, nil, err)
	}
}

// getClientIP 获取客户端真实 IP
func getClientIP(r *http.Request) string {
	// 优先从 X-Forwarded-For 获取
	if xff := r.Header.Get("X-Forwarded-For"); xff != "" {
		// X-Forwarded-For 可能包含多个 IP，取第一个
		return xff
	}
	// 其次从 X-Real-IP 获取
	if xri := r.Header.Get("X-Real-IP"); xri != "" {
		return xri
	}
	// 最后使用 RemoteAddr
	return r.RemoteAddr
}