package ping

import (
	"context"
	"net/http"
	"time"

	"apps/backend/internal/response"
	"apps/backend/internal/svc"
	"apps/backend/internal/types"

	"github.com/zeromicro/go-zero/core/logx"
)

type PingLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

func NewPingLogic(ctx context.Context, svcCtx *svc.ServiceContext) *PingLogic {
	return &PingLogic{Logger: logx.WithContext(ctx), ctx: ctx, svcCtx: svcCtx}
}

func (l *PingLogic) Ping() (resp *types.HealthData, err error) {
	if err := redisHealth(l.ctx, l.svcCtx); err != nil {
		l.Errorf("ping redis health failed: %v", err)
		return nil, err
	}
	return &types.HealthData{Status: "ok", Service: "haixun-gateway"}, nil
}

func redisHealth(ctx context.Context, svcCtx *svc.ServiceContext) error {
	if svcCtx == nil || svcCtx.Redis == nil {
		return response.Biz(http.StatusServiceUnavailable, 503001, "redis unavailable")
	}
	pingCtx, cancel := context.WithTimeout(ctx, time.Second)
	defer cancel()
	if !svcCtx.Redis.PingCtx(pingCtx) {
		return response.Biz(http.StatusServiceUnavailable, 503001, "redis unavailable")
	}
	return nil
}
