package gemlog

import (
	"fmt"
	"os"
	"os/exec"
)

// WriteAction opens a shell editor and prints the output to console
func WriteAction() error {
	// Get the editor from environment variable, default to vi
	editor := os.Getenv("EDITOR")
	if editor == "" {
		editor = "vim"
	}

	// Create a temporary file
	tmpFile, err := os.CreateTemp("", "gemlog-*.md")
	if err != nil {
		return fmt.Errorf("failed to create temporary file: %w", err)
	}
	defer os.Remove(tmpFile.Name()) // Clean up

	tmpFile.Close()

	// Open the editor with the temporary file
	cmd := exec.Command(editor, tmpFile.Name())
	cmd.Stdin = os.Stdin
	cmd.Stdout = os.Stdout
	cmd.Stderr = os.Stderr

	err = cmd.Run()
	if err != nil {
		return fmt.Errorf("editor command failed: %w", err)
	}

	// Read the contents of the file
	content, err := os.ReadFile(tmpFile.Name())
	if err != nil {
		return fmt.Errorf("failed to read file contents: %w", err)
	}

	// Print the contents to console
	fmt.Print(string(content))

	return nil
}