package main

import (
	_ "embed"
	"flag"
	"fmt"
	"io"
	"log"
	"os"
	"path"
	"strings"

	"code.gitea.io/sdk/gitea"
	"github.com/go-git/go-git/v5"
	"github.com/go-git/go-git/v5/config"
	"github.com/joho/godotenv"
	"golang.design/x/clipboard"
)

var Error *log.Logger

func init() {
	log.SetFlags(log.Lmicroseconds | log.Lshortfile)
	// logFile, err := os.Create("main.log")
	// if err != nil {
	// 	log.Printf("Error creating log file: %v", err)
	// 	os.Exit(1)
	// }
	logger := io.MultiWriter(os.Stdout)
	log.SetOutput(logger)

	Error = log.New(io.MultiWriter(os.Stderr, os.Stdout),
		fmt.Sprintf("%sERROR:%s ", "\033[0;101m", "\033[0m"),
		log.Lmicroseconds|log.Lshortfile)
}

//go:embed .env
var env string

func main() {
	err := clipboard.Init()
	if err != nil {
		Error.Fatalf("Error initializing clipboard: %v", err)
		os.Exit(1)
	}

	envvar, err := godotenv.Parse(strings.NewReader(env))
	if err != nil {
		Error.Fatalf("Error parsing .env file: %v", err)
		os.Exit(1)
	}
	username, ok := envvar["GITEA_USER"]
	if !ok {
		Error.Fatalf("GITEA_USER environment variable is required")
		os.Exit(1)
	}
	password, ok := envvar["GITEA_PASSWORD"]
	if !ok {
		Error.Fatalf("GITEA_PASSWORD environment variable is required")
		os.Exit(1)
	}

	if username == "" || password == "" {
		Error.Fatalf("GITEA_USER and GITEA_PASSWORD environment variables are required")
		os.Exit(1)
	}

	var name, remote string
	var private, noinit, forceInit bool
	flag.StringVar(&name, "name", "", "Name of the repository")
	flag.StringVar(&name, "n", "", "Name of the repository (shorthand)")
	flag.BoolVar(&private, "private", false, "Make the repository private")
	flag.BoolVar(&private, "p", false, "Make the repository private (shorthand)")
	flag.BoolVar(&noinit, "noinit", false, "Do not add remote to the new repo")
	flag.BoolVar(&noinit, "ni", false, "Do not add remote to the new repo (shorthand)")
	flag.BoolVar(&forceInit, "f", false, "Force assignment of the remote (deletes existing origin)")
	flag.StringVar(&remote, "remote", "origin", "Namw of the remote to create for the new repository")
	flag.StringVar(&remote, "r", "origin", "Namw of the remote to create for the new repository (shorthand)")
	flag.Parse()

	if len(flag.Args()) > 0 {
		name = flag.Args()[0]
	}

	if name == "" {
		Error.Fatalf("Repository name is required")
		os.Exit(1)
	}

	client, err := gitea.NewClient("https://git.site.quack-lab.dev/")
	if err != nil {
		Error.Fatalf("Error creating client: %v", err)
		os.Exit(1)
	}
	client.SetBasicAuth("dave", "D7u@NHh^9d33ue!xVAEu")

	repo, _, err := client.GetRepo("dave", name)
	if err == nil {
		log.Printf("Repository already exists at:\n%s", repo.CloneURL)
		clipboard.Write(clipboard.FmtText, []byte(repo.CloneURL))
	} else {
		repo, _, err = client.CreateRepo(gitea.CreateRepoOption{
			Name:          name,
			Private:       private,
			DefaultBranch: "master",
		})
		if err != nil {
			Error.Fatalf("Error creating repository: %v", err)
			os.Exit(1)
		}
		log.Printf("Repository created at:\n%s", repo.CloneURL)
		clipboard.Write(clipboard.FmtText, []byte(repo.CloneURL))
	}

	if !noinit {
		cwd, err := os.Getwd()
		if err != nil {
			Error.Fatalf("Error getting current working directory: %v", err)
			os.Exit(1)
		}
		cwd = path.Clean(cwd)

		var localRepo *git.Repository
		_, err = os.Stat(path.Join(cwd, ".git"))
		if err == nil {
			localRepo, err = git.PlainOpen(cwd)
			if err != nil {
				Error.Fatalf("Error opening git repository: %v", err)
				os.Exit(1)
			}
		} else {
			localRepo, err = git.PlainInit(cwd, false)
			if err != nil {
				Error.Fatalf("Error initializing git repository: %v", err)
				os.Exit(1)
			}
		}
		_, err = localRepo.Remote(remote)
		if err == nil {
			if forceInit {
				err = localRepo.DeleteRemote(remote)
				if err != nil {
					Error.Fatalf("Error deleting remote %s from local repository: %v", remote, err)
					os.Exit(1)
				}
			} else {
				Error.Fatalf("Remote %s already exists in local repository", remote)
				os.Exit(1)
			}
		}

		_, err = localRepo.CreateRemote(&config.RemoteConfig{
			Name: remote,
			URLs: []string{repo.CloneURL},
		})
		if err != nil {
			Error.Fatalf("Error adding remote %s to local repository: %v", remote, err)
			os.Exit(1)
		}
		log.Printf("Remote added to local repository")
	}
}