package slack

import (
	"encoding/json"
	"io/ioutil"
	"net/http"
	"strings"

	log "github.com/rs/zerolog/log"
)

type Slack struct {
	Text        string        `json:"text"`
	Username    string        `json:"username"`
	Attachments []Attachments `json:"attachments"`
}

type Attachments struct {
	Fields []Fields `json:"fields"`
	Text   string   `json:"text"`
}

type Fields struct {
	Title string `json:"title"`
	Value string `json:"value"`
	Short bool   `json:"short"`
}

func Connect(manager Slack) {

	url := "https://hooks.slack.com/services/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"
	method := "POST"

	mPayload, err := json.Marshal(manager)
	if err != nil {
		log.Print(err)
		return
	}

	log.Print(string(mPayload))
	payload := strings.NewReader("payload=" + string(mPayload))

	client := &http.Client{}
	req, err := http.NewRequest(method, url, payload)

	if err != nil {
		log.Print(err)
		return
	}
	req.Header.Add("Content-Type", "application/x-www-form-urlencoded")

	res, err := client.Do(req)
	if err != nil {
		log.Print(err)
		return
	}
	defer res.Body.Close()

	body, err := ioutil.ReadAll(res.Body)
	if err != nil {
		log.Print(err)
		return
	}
	log.Print(string(body))
}

func SendSlack(title string, params map[string]interface{}) {
	var slackInstance Slack
	slackInstance.Text = title
	slackInstance.Username = "CFC System"

	var fields []Fields

	for k, v := range params {
		var field Fields
		field.Title = k
		log.Print(field)
		field.Value = v.(string)
		field.Short = true

		fields = append(fields, field)
	}

	log.Print(fields)

	var attachments []Attachments
	var attachment Attachments
	attachment.Fields = fields
	attachment.Text = "CFC"

	log.Print(attachment)
	attachments = append(attachments, attachment)

	slackInstance.Attachments = attachments
	Connect(slackInstance)
	log.Print("Slack sent!")
}