package SwagMock

import (
	"fmt"
	"github.com/go-openapi/spec"
	"github.com/pkg/errors"
	"io/ioutil"
	"net/http"
	"strings"
)

func ValidateConsumes(operation spec.Operation, req http.Request) error {
	contentType := req.Header["Content-Type"]

	// if the spec says there's no content types consumed,
	// validate that no content type header exists
	if len(operation.Consumes) == 0 {
		if contentType != nil {
			return fmt.Errorf("operation %v expected no content type header but %v was found", operation.ID, contentType)
		}
		return nil
	}

	// if the spec says there a content type consumed
	// validate that the request content type is correct
	for _, consumes := range operation.Consumes {
		for _, item := range contentType {
			if item == consumes {
				return nil
			}
		}
	}

	return fmt.Errorf("operation %v expected to consume %v but found a content type of %v", operation.ID, operation.Consumes, contentType)
}

func ValidateParameters(operation spec.Operation, req http.Request) error {
	body, err := ioutil.ReadAll(req.Body)

	if err != nil {
		return errors.Wrap(err, "Mock Error: missing required formData")
	}
	if len(body) == 0 {
		return  fmt.Errorf("Mock Error: missing required formData")
	}

	barr := []byte{}
	for _, b := range body {
		barr = append(barr, byte(b))
	}

	data:=string(barr)

	for _, parameter := range operation.Parameters {
		switch parameter.In {
		case "body":

		case "query":

		case "path":

		default:
			return fmt.Errorf("Mock Error: missing required formData")

			break
		case "formData":

			if !strings.Contains(data,parameter.ParamProps.Name+"=") && parameter.Required{
				//arr:=strings.Split(data,"=")
				//err := validate.AgainstSchema(parameter.Schema, arr, strfmt.Default)

				return  fmt.Errorf("Mock Error: validating parameter missing ==> " + parameter.ParamProps.Name +", FormData: "+ data)
			}

			break
		}
	}

	return nil
}