package segments

import (
	"strconv"

	"github.com/jandedobbeleer/oh-my-posh/src/platform"
	"github.com/jandedobbeleer/oh-my-posh/src/properties"
)

type Exit struct {
	props properties.Properties
	env   platform.Environment

	Meaning string
}

func (e *Exit) Template() string {
	return " {{ if gt .Code 0 }}\uf00d {{ .Meaning }}{{ else }}\uf42e{{ end }} "
}

func (e *Exit) Enabled() bool {
	e.Meaning = e.getMeaningFromExitCode(e.env.ErrorCode())
	if e.props.GetBool(properties.AlwaysEnabled, false) {
		return true
	}
	return e.env.ErrorCode() != 0
}

func (e *Exit) Init(props properties.Properties, env platform.Environment) {
	e.props = props
	e.env = env
}

func (e *Exit) getMeaningFromExitCode(code int) string {
	switch code {
	case 1:
		return "ERROR"
	case 2:
		return "USAGE"
	case 126:
		return "NOPERM"
	case 127:
		return "NOTFOUND"
	case 128 + 1:
		return "SIGHUP"
	case 128 + 2:
		return "SIGINT"
	case 128 + 3:
		return "SIGQUIT"
	case 128 + 4:
		return "SIGILL"
	case 128 + 5:
		return "SIGTRAP"
	case 128 + 6:
		return "SIGIOT"
	case 128 + 7:
		return "SIGBUS"
	case 128 + 8:
		return "SIGFPE"
	case 128 + 9:
		return "SIGKILL"
	case 128 + 10:
		return "SIGUSR1"
	case 128 + 11:
		return "SIGSEGV"
	case 128 + 12:
		return "SIGUSR2"
	case 128 + 13:
		return "SIGPIPE"
	case 128 + 14:
		return "SIGALRM"
	case 128 + 15:
		return "SIGTERM"
	case 128 + 16:
		return "SIGSTKFLT"
	case 128 + 17:
		return "SIGCHLD"
	case 128 + 18:
		return "SIGCONT"
	case 128 + 19:
		return "SIGSTOP"
	case 128 + 20:
		return "SIGTSTP"
	case 128 + 21:
		return "SIGTTIN"
	case 128 + 22:
		return "SIGTTOU"
	default:
		return strconv.Itoa(code)
	}
}
