package upstreamimpl

import (
	"context"
	"fmt"
	"git.5iot.com/iotlcm-public/iotlcm-upstream-proxy/internal/model"
	"git.5iot.com/iotlcm-public/iotlcm-upstream-proxy/internal/service"
	"sync/atomic"
	"time"

	"github.com/gogf/gf/v2/errors/gerror"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/net/gsvc"
	"golang.org/x/sync/singleflight"
)

const (
	gUrlBase = "https://api.iot.10086.cn/v5/"
)

type sSimYD struct {
	channelConfig *model.SimChannelConfigItemCache
	seqId         atomic.Int64
	tokenFlight   singleflight.Group
}

func NewSimYD() *sSimYD {
	return &sSimYD{}
}

func init() {
	s := NewSimYD()
	service.UpstreamAPI().RegisterTemp("sim_yd_v5", s)
	service.UpstreamAPI().RegisterTemp("sim_yd_mock_v5", s)
	// These channel implementations live in the upstream gateway. The proxy
	// forwards their API calls through the same generic gateway route, so any
	// template registered in iotlcm-upstream-chan must be registered here too:
	// channel refresh fails with "channel template not registered" otherwise.
	// sSimYD has no template-specific logic, so an alias per template suffices.
	service.UpstreamAPI().RegisterTemp("sim_sdtywl_v1", s)
	service.UpstreamAPI().RegisterTemp("sim_onelink_tengyu_v1", s)
	service.UpstreamAPI().RegisterTemp("sim_onelink_xuzhou_mobile_v1", s)
	service.UpstreamAPI().RegisterTemp("sim_onelink_lelian_v1", s)
	service.UpstreamAPI().RegisterTemp("sim_onelink_qianxun_v1", s)
	service.UpstreamAPI().RegisterTemp("sim_onelink_henan_xinjing_v1", s)
	service.UpstreamAPI().RegisterTemp("sim_henan_xinjing_direct_v1", s)
	service.UpstreamAPI().RegisterTemp("sim_onelink_zibo_v1", s)
	service.UpstreamAPI().RegisterTemp("sim_tibiot_v1", s)
	service.UpstreamAPI().RegisterTemp("sim_qianxun_v3", s)
	service.UpstreamAPI().RegisterTemp("sim_yunda_v1", s)
	service.UpstreamAPI().RegisterTemp("sim_mingqian_v3", s)
	service.UpstreamAPI().RegisterTemp("sim_daihe_v1", s)
	service.UpstreamAPI().RegisterTemp("sim_onelink_daihe_v1", s)
	service.UpstreamAPI().RegisterTemp("sim_onelink_daliuliang_v1", s)
	service.UpstreamAPI().RegisterTemp("sim__daliuliang_v1", s)
	service.UpstreamAPI().RegisterTemp("sim_onelink_mobile_public_v1", s)
	service.UpstreamAPI().RegisterTemp("sim_onelink_kedang_v1", s)
	service.UpstreamAPI().RegisterTemp("lanshang_8003", s)
	service.UpstreamAPI().RegisterTemp("lanshang_8000", s)
	service.UpstreamAPI().RegisterTemp("sim_onelink_yunze_v1", s)
	// 江苏倍信（jsbxkj）共享 Token。协议实现在 chan 的 beixin_token_provider.go；
	// proxy 只负责把业务 API 转发到 gateway，与腾宇/澜数同一形态。
	service.UpstreamAPI().RegisterTemp("sim_onelink_beixin_v1", s)
	service.UpstreamAPI().RegisterTemp("sim_onelink_lanshu_v1", s)
	service.RegisterSimYD(s)
}

func (s *sSimYD) NewTemp(ctx context.Context, channelConfig *model.SimChannelConfigItemCache) model.SimCardChannelI {
	return &sSimYD{
		channelConfig: channelConfig,
	}
}

func (s *sSimYD) getUpstreamUrl(ctx context.Context, serviceUrl string) string {
	address, _ := g.Cfg().Get(ctx, "gateway.address")
	return fmt.Sprintf("http://%s%s", address, serviceUrl)
	// return fmt.Sprintf("http://%s%s", "127.0.0.1:8110", serviceUrl)
}

func (s *sSimYD) getUpstreamTimeout(ctx context.Context) time.Duration {
	timeout, _ := g.Cfg().Get(ctx, "gateway.timeout")
	if timeout == nil {
		return 10 * time.Second
	}
	if d := timeout.Duration(); d > 0 {
		return d
	}
	if seconds := timeout.Int(); seconds > 0 {
		return time.Duration(seconds) * time.Second
	}
	return 10 * time.Second
}

func (s *sSimYD) SimBase(ctx context.Context, input *model.SimBaseReqJson) (model.SimBaseResJson, error) {
	r := g.RequestFromCtx(ctx)
	if r.Method != "POST" {
		g.Log().Errorf(ctx, "SimYD.SimBase, method not allowed, method %s, input %+v", r.Method, input)
		return nil, gerror.New("方法调用错误")
	}
	path := r.URL.Path
	if path == "" {
		g.Log().Errorf(ctx, "SimYD.SimBase, path is required, input %+v", input)
		return nil, gerror.New("路径不能为空")
	}
	url := s.getUpstreamUrl(ctx, path)
	g.Log().Debugf(ctx, "SimYD.SimBase, url %s", url)
	client := g.Client()
	client.SetDiscovery(gsvc.GetRegistry())
	client.SetTimeout(s.getUpstreamTimeout(ctx) * time.Duration(len(input.SimKeys)))
	resp, err := client.Post(ctx, url, input)
	if err != nil {
		g.Log().Errorf(ctx, "SimYD.SimBase, post error %+v,url %s, params %+v, ", err, url, input)
		return nil, gerror.New("请求失败")
	}
	return readGatewayResponse(resp)
}