package zipkinHttp

import (
	"encoding/json"
	"strings"

	"github.com/gin-gonic/gin"
	"github.com/zzfup/go-fetch"
)

/*c，需要在上层(application、domain、表现层等)传递*/
func SendByFetch(c *gin.Context, url, method string, body interface{}) (fetch.Resp, error) {
	var headers = map[string]string{
		"Accept":       "application/json, text/plain, */*",
		"Content-Type": "application/json",
	}

	traceSpanId, exists := c.Get("zipkin_span_id")
	if exists {
		value, exists := c.Get("zipkin_trace_span_id_" + traceSpanId.(string))
		if exists && value != nil {
			headers["Zipkin-Span-Context"] = value.(string)
		}
	}

	options := fetch.Options{
		Method: strings.ToUpper(method),
		Header: headers,
	}

	if body != nil {
		options.Body, _ = json.Marshal(body)
	}

	return fetch.Fetch(url, options)
}

func SendByFetchOptions(c *gin.Context, url string, options fetch.Options) (fetch.Resp, error) {
	traceSpanId, exists := c.Get("zipkin_span_id")
	if exists {
		value, exists := c.Get("zipkin_trace_span_id_" + traceSpanId.(string))
		if exists && value != nil {
			options.Header["Zipkin-Span-Context"] = value.(string)
		}
	}

	return fetch.Fetch(url, options)
}