package main

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

// setTitle prints the escape sequence to change the terminal title.
func setTitle(title string) {
	fmt.Printf("\033]2;%s\007", title)
}

// resetTitle prints the escape sequence to clear the title.
// Most terminals will revert to their default profile title.
func resetTitle() {
	fmt.Printf("\033]2;\007")
}

func setTerminalTitle(title string, command string, args []string) {
	// 2. Defer the title reset. This is the crucial part.
	// `defer` ensures that resetTitle() is called right before the main function exits,
	// no matter what happens—success, error, or panic.
	defer resetTitle()

	setTitle(title)

	cmd := exec.Command(command, args...)

	// 5. Connect the command's I/O to our program's I/O.
	// This makes the command fully interactive and ensures you see its output.
	cmd.Stdin = os.Stdin
	cmd.Stdout = os.Stdout
	cmd.Stderr = os.Stderr

	// 6. Run the command.
	err := cmd.Run()

	// 7. If the command failed, exit with its status code to be a good citizen.
	if err != nil {
		// Try to get the original exit code.
		if exitError, ok := err.(*exec.ExitError); ok {
			os.Exit(exitError.ExitCode())
		} else {
			// A different error occurred (e.g., command not found).
			fmt.Fprintf(os.Stderr, "Error running command: %v\n", err)
			os.Exit(1)
		}
	}
}