//go:build mage

package main

import (
	"fmt"
	"os"
	"path/filepath"
)

// Neovim downloads and manages neovim configuration from a remote git repository.
func Neovim() error {
	config, err := newConfig()
	if err != nil {
		return fmt.Errorf(
			"unable to load the configuration: %w",
			err,
		)
	}

	if !config.Neovim.Manage {
		return nil
	}

	homeConfigDirectory, err := os.UserConfigDir()
	if err != nil {
		return fmt.Errorf(
			"unable to get the user's home configuration directory: %w",
			err,
		)
	}

	var (
		neovimManagedDir = filepath.Join(rootManagedDir, "nvim")
		versionLabelFile = filepath.Join(neovimManagedDir, ".managed.version")
		neovimConfigDir  = filepath.Join(homeConfigDirectory, "nvim")
	)

	tempLocalRepo, err := cloneNvimConfigRepo(config.Neovim., config.Neovim.)

	defer func() {
		if err := os.Remove(tempLocalRepo); err != nil {
			return fmt.Errorf(
				"received an error while trying to remove %s: %w",
				err,
			)
		}
	}()

	// TODO: copy the files from temp folder to managed folder

	// TODO: add commit/tag ref to .managed.version

	// TODO: symlink all inside managed neovim folder

	return nil
}

func cloneNvimConfigRepo(repoURL, repoRef string) (string, error) {
	tempDir, err := os.MkdirTemp("/tmp", "neovim-config-")
	if err != nil {
		return "", fmt.Errorf("unable to create the temporary directory: %w", err)
	}

	// TODO: clone the repo to the tempDir and return tempDir

	return tempDir, nil
}