// 2019-03-04 16:34 this is better than the previous one, although very clunky. Need to make a new "type Item struct { }" where Item is the object to be changed when you want to have a new object. But the functions should be a minimal example to show how to deal with POST, GET. 
// Reference
//    docs https://godoc.org/github.com/dougblack/sleepy
//    https://github.com/dougblack/sleepy as gitlab.com/bgstack15/sleepy
//    https://gobyexample.com/json
package main

import (
	"net/url"
	"net/http"
	//"github.com/dougblack/sleepy"
	"gitlab.com/bgstack15/sleepy"
	"fmt"
	"encoding/json"
	"strconv"
	"os/exec"
	"io/ioutil"
)

type Item struct{}
type Harbor struct{}
type CertreqResponse struct{
	Csrfile string  `json:"csrfile"`
	Certificatefile string  `json:"certificatefile"`
	Keyfile string `json:"keyfile"`
	Rc int  `json:"rc"`
}

type CertreqContents struct{
	Csr string `json:"csr"`
	Cert string `json:"cert"`
	Key string `json:"key"`
	Rc int `json:"rc"`
	// add chain?
}

type CertreqInput struct{
	Ca string `json:"ca"`
	Pass string `json:"pass"`
	Subject string `json:"subject"`
	Template string `json:"template"`
	User string `json:"user"`
}

// what is passed in, name, and return values
func Certreq_Request(i CertreqInput) (int, CertreqResponse) {
	var o CertreqResponse
	// WORKHERE figure how to sent environment variables for the command.
	crexec := exec.Command("/home/bgstack15/dev/certreq/files/certreq.sh","-c","/home/bgstack15/dev/certreq/files/certreq.conf")
	//execIn, _ := crexec.StdinPipe()
	execOut, _ := crexec.StdoutPipe()
	crexec.Start()
	crexecBytes, _ := ioutil.ReadAll(execOut)
	crexec.Wait()
	fmt.Print(string(crexecBytes))

	o.Rc = 5
	o.Keyfile = "something"
	return 0, o
}

func (certreqweb CertreqInput) Get(values url.Values, headers http.Header) (int, interface{}, http.Header) {
	var i CertreqInput
	var e int = 200
	var r string
	for {
		if values.Get("subject") == "" {
			e = 400
			r = "subject is not defined"
			break
		} else { i.Subject = values.Get("subject") }
		if values.Get("template") == "" {
			fmt.Print("using default template...\n")
		} else { i.Template = values.Get("template") }
		if values.Get("ca") == "" {
			fmt.Print("using default ca...\n")
		} else { i.Ca = values.Get("ca") }
		break
	}

	// check for errors
	if ( e != 200 ) {
		return e, map[string][]string{"errorcode":[]string{strconv.Itoa(e)},"reason":[]string{r}}, http.Header{"Content-type:": {"application/json"}}
	}
	// after all the checks, we should be good to go

	data , _ := json.Marshal(&map[string]interface{}{"input": i})
	var out1, out2 map[string]interface{}
	json.Unmarshal(data,&out1)

	// call function and pass in i
	_ , o := Certreq_Request(i)
	data , _ = json.Marshal(&map[string]interface{}{"output": o})
	json.Unmarshal(data,&out2)

	// debugging output and return values
	fmt.Print("CertreqWeb: ",values,"\n")
	return e, out2, http.Header{"Content-type": {"application/json"}}
}

func (item Item) Post(values url.Values, headers http.Header) (int, interface{}, http.Header) {
	items := []string{"please replace", "with error"}
	data := map[string][]string{"items": items}
	return 200, data, http.Header{"Content-type": {"application/json"}}
}

func (harbor Harbor) Get(values url.Values, headers http.Header) (int, interface{}, http.Header) {
	items := []string{"item1", "HARBORMONSTER"}
	data := map[string][]string{"items": items}
	fmt.Print(values)
	return 200, data, http.Header{"Content-type": {"application/json"}}
}

func (harbor Harbor) Post(values url.Values, headers http.Header) (int, interface{}, http.Header) {
	items := []string{"item1", "posterized"}
	data := map[string][]string{"items": items}
	fmt.Print(values)
	return 200, data, http.Header{"Content-type": {"application/json"}}
}

func main() {
	//item := new(Item)
	//harbor := new(Harbor)

	api := sleepy.NewAPI()
	api.AddResource(new(Item), "/items")
	api.AddResource(new(Harbor), "/harborfreight")
	api.AddResource(new(CertreqInput), "/v1/certreq")
	//api.AddResourceWithWrapper(item, Special, "/item")
	api.StartTLS(8081,"/home/bgstack15/dev/c1/gocert.crt","/home/bgstack15/dev/c1/gocert.key")
}