package main

import (
	"bytes"
	_ "embed"
	"fmt"
	"net/http"
	"os"
	"text/template"

	"github.com/google/uuid"
	"github.com/sethvargo/go-githubactions"
)

const (
	defaultColor = "483d8b/6495ed"
	successColor = "006400/228b22"
	failedColor  = "8b0000/dc143c"
)

//go:embed message.tpl
var message string

type templateData struct {
	CardID    string
	Title     string
	SubTitle  string
	Author    string
	IconUrl   string
	Project   string
	Commit    string
	Branch    string
	Status    string
	ActionID  string
	GitURL    string
	Color     string
	Add       string
	EventBody string
}

func main() {
	data := templateData{}
	u, err := uuid.NewUUID()
	if err != nil {
		githubactions.Fatalf("Error generating UUID: %v", err)
		os.Exit(1)
	}
	data.CardID = u.String()
	data.Add = ""

	author := githubactions.GetInput("author")
	if author == "" {
		githubactions.Infof("[INFO] Missing input 'author', using default")
		author = "STACKIT git action"
	}
	data.Author = author

	title := githubactions.GetInput("title")
	if title == "" {
		githubactions.Infof("[INFO] Missing input 'title', using default")
		title = "STACKIT git action"
	}
	data.Title = title

	project := githubactions.GetInput("project")
	if project == "" {
		githubactions.Fatalf("Missing input 'project'")
		os.Exit(1)
	}
	data.Project = project

	commit := githubactions.GetInput("commit")
	if commit == "" {
		githubactions.Fatalf("Missing input 'commit'")
		os.Exit(1)
	}
	data.Commit = commit

	branch := githubactions.GetInput("branch")
	if branch == "" {
		githubactions.Fatalf("Missing input 'branch'")
		os.Exit(1)
	}
	data.Branch = branch

	status := githubactions.GetInput("status")
	if status == "" {
		githubactions.Fatalf("Missing input 'status'")
		os.Exit(1)
	}
	data.Status = status

	actionid := githubactions.GetInput("actionid")
	if actionid == "" {
		githubactions.Fatalf("Missing input 'actionid'")
		os.Exit(1)
	}
	data.ActionID = actionid

	webhook := githubactions.GetInput("webhook")
	if webhook == "" {
		githubactions.Fatalf("Missing input 'webhook'")
		os.Exit(1)
	}
	webhook = fmt.Sprintf("%s&threadKey=%s%s&messageReplyOption=REPLY_MESSAGE_FALLBACK_TO_NEW_THREAD", webhook, data.Commit, data.ActionID)

	giturl := githubactions.GetInput("giturl")
	if giturl == "" {
		githubactions.Fatalf("Missing input 'giturl'")
		os.Exit(1)
	}
	data.GitURL = giturl

	body := githubactions.GetInput("event_body")
	data.EventBody = body

	githubactions.Infof("using URL: %s", webhook)
	// fmt.Println("URL:> ", webhook)

	// var jsonStr = []byte(fmt.Sprintf(data, project, commit, branch, status, actionid))

	jsonStr, err := card(data)
	if err != nil {
		githubactions.Fatalf("error %s", err.Error())
		os.Exit(1)
	}

	// log.Printf("retrieved data: %s", string(jsonStr))

	req, err := http.NewRequest("POST", webhook, bytes.NewBuffer(jsonStr))
	if err != nil {
		githubactions.Fatalf("error %s", err.Error())
		os.Exit(1)
	}
	req.Header.Set("Content-Type", "application/json; charset=UTF-8")
	client := &http.Client{}
	resp, err := client.Do(req)
	if err != nil {
		githubactions.Fatalf("error %s", err.Error())
		os.Exit(1)
	}
	defer resp.Body.Close()
	fmt.Println("response Status:", resp.Status)
	if resp.StatusCode != http.StatusOK {
		githubactions.Infof("json: %s", jsonStr)
		githubactions.Fatalf("response: %+v\n", resp)
		os.Exit(1)
	}
}

func card(d templateData) ([]byte, error) {
	switch d.Status {
	case "success":
		d.Color = successColor
	case "failure":
		d.Color = failedColor
	default:
		d.Color = defaultColor
	}

	if d.IconUrl == "" {
		d.IconUrl = "https://github.githubassets.com/images/modules/logos_page/Octocat.png"
	}

	if d.EventBody == "" {
		d.EventBody = "<b>Project:</b> {{ .Project }}<br><b>Commit-id:</b>  <font color=\"#FF0000\">{{ .Commit }}</font><br><b>Branch:</b> <font color=\"#00FF00f\">{{ .Branch }}</font><br><b>Build Status:</b> <font color=\"#0000ff\">{{ .Status }}</font>"
	}

	if d.Status == "success" {
		d.Add = `
{
  "decoratedText": {
    "startIcon": {
      "materialIcon": {
        "name": "check_circle"
      }
    },
    "text": "<b style=\"color: green;\">SUCCESS</b>"
  }
},`
	}

	if d.Status == "failure" {
		d.Add = `
{ 
  "decoratedText": {
    "startIcon": {
      "materialIcon": {
        "name": "stop_circle"
      }
    },
    "text": "<b style=\"color: red;\">FAILURE</b>"
  }
},`
	}

	tmpl, err := template.New("message").Parse(message)
	if err != nil {
		return nil, err
	}

	buf := new(bytes.Buffer)
	err = tmpl.Execute(buf, d)
	if err != nil {
		return nil, err
	}

	return buf.Bytes(), nil
}