package main

import (
	"log"
	"net/http"
	"os"
	"strings"

	"gitea.nulo.in/Nulo/repro-run/gitea-ci/gitea"

	_ "embed"
)

//go:embed index.html
var indexHtml []byte

//go:embed run.html
var runHtml []byte

func main() {
	config := parseConfig()

	g := gitea.Gitea{
		Url:      config.giteaUrl,
		Username: config.giteaUsername,
		Password: config.giteaPassword,
	}

	u, err := g.GetUser()
	if err != nil {
		log.Fatal(err)
	}
	log.Printf("Logged in as @%s", u.Login)

	port := ":8080"
	if len(os.Args) > 1 {
		port = os.Args[1]
	}

	http.Handle("/webhook", webhook{config: config, gitea: g})
	http.Handle("/logs/socket/", logWebsocket{})
	http.Handle("/", staticRoute{file: indexHtml, mime: "text/html; charset=utf-8"})
	http.Handle("/run", staticRoute{file: runHtml, mime: "text/html; charset=utf-8"})
	log.Fatal(http.ListenAndServe(port, nil))
}

type config struct {
	allowedUsers       []string
	giteaWebhookSecret string
	giteaUrl           string
	giteaUsername      string
	giteaPassword      string
	publicUrl          string
	doNotDeleteTmp     bool
}

func parseConfig() (c config) {
	var allowedUsersStr string
	if allowedUsersStr = os.Getenv("ALLOWED_USERS"); len(allowedUsersStr) == 0 {
		log.Fatal("ALLOWED_USERS is nil")
	}
	c.allowedUsers = strings.Split(allowedUsersStr, ",")

	if c.giteaWebhookSecret = os.Getenv("GITEA_WEBHOOK_SECRET"); len(c.giteaWebhookSecret) == 0 {
		log.Fatal("GITEA_WEBHOOK_SECRET is nil")
	}

	if c.giteaUrl = os.Getenv("GITEA_URL"); len(c.giteaUrl) == 0 {
		log.Fatal("GITEA_URL is nil")
	}
	if c.giteaUsername = os.Getenv("GITEA_USERNAME"); len(c.giteaUsername) == 0 {
		log.Fatal("GITEA_USERNAME is nil")
	}
	if c.giteaPassword = os.Getenv("GITEA_PASSWORD"); len(c.giteaPassword) == 0 {
		log.Fatal("GITEA_PASSWORD is nil")
	}

	if c.publicUrl = os.Getenv("PUBLIC_URL"); len(c.publicUrl) == 0 {
		log.Println("PUBLIC_URL is not defined, will default to localhost:8080")
		c.publicUrl = "http://localhost:8080"
	}

	c.doNotDeleteTmp = os.Getenv("DO_NOT_DELETE_TMP") == "true"

	return
}