package swagger

import (
	"strings"
)

type ApiClient struct {
}

func (c *ApiClient) SelectHeaderContentType(contentTypes []string) string {
	if len(contentTypes) == 0 {
		return ""
	}
	if contains(contentTypes, "application/json") {
		return "application/json"
	}

	return contentTypes[0] // use the first content type specified in 'consumes'
}

func (c *ApiClient) SelectHeaderAccept(accepts []string) string {
	if len(accepts) == 0 {
		return ""
	}

	if contains(accepts, "application/json") {
		return "application/json"
	}

	return strings.Join(accepts, ",")
}

func contains(source []string, containvalue string) bool {
	for _, a := range source {
		if strings.ToLower(a) == strings.ToLower(containvalue) {
			return true
		}
	}
	return false
}