package main

import (
	"fmt"
	"os"
	"strings"

	"nshell/executor"
	"nshell/suggestions"

	"github.com/c-bata/go-prompt"
	"golang.org/x/term"
)

var oldStateTerminal *term.State

func getColor(color string) prompt.Color {
	color = strings.ToUpper(color)
	switch color {
	case "CYAN":
		return prompt.Cyan
	case "RED":
		return prompt.Red
	default:
		return prompt.Green
	}
}

func main() {
	fd := int(os.Stdin.Fd())
	if state, err := term.GetState(fd); err == nil {
		oldStateTerminal = state
	}
	fmt.Println("Wellcome to noko-shell(nshell) :3")

	options := []prompt.Option{
		prompt.OptionLivePrefix(func() (string, bool) {
			return executor.GetVariable("NSHELL_PREFIX_TEXT"), true
		}),
		prompt.OptionPrefixTextColor(getColor(executor.GetVariable("NSHELL_PREFIX_COLOR"))),
	}

	p := prompt.New(executor.BuildExecutor(oldStateTerminal, &fd), suggestions.Completer, options...)
	p.Run()
}