package spool

import (
	"fmt"
	"git.sr.ht/~ewy/pik/menu/style"
	"github.com/charmbracelet/lipgloss"
	"os"
	"reflect"
	"runtime/debug"
	"strings"
)

var (
	Stderr   = os.Stderr
	Stdout   = os.Stdout
	StyleErr = style.New(func() lipgloss.Style {
		return lipgloss.NewStyle().Foreground(lipgloss.Color("1"))
	})
	StyleWarn = style.New(func() lipgloss.Style {
		return lipgloss.NewStyle().Foreground(lipgloss.Color("3"))
	})
)

type empty struct{}

const PanicErrorCode = 8

var Print = func(format string, values ...any) (any, error) {
	return fmt.Fprintf(Stdout, format, values...)
}

var Warn = func(format string, values ...any) (any, error) {
	return fmt.Fprint(Stderr, StyleWarn.Render(fmt.Sprintf(format, values...)))
}

var Panic = func(code *ExitCode, format string, values ...any) (any, error) {
	pkg := reflect.TypeOf(empty{}).PkgPath()
	v, err := fmt.Fprint(Stderr, StyleErr.Render(fmt.Sprintf(format, values...)))
	st := strings.Split(string(debug.Stack()), "\n")
	for i, l := range st {
		if strings.Contains(l, pkg) {
			st = st[i:]
			break
		}
	}

	_, _ = Warn("%s\n", strings.Join(st, "\n"))
	os.Exit(PanicErrorCode)
	return v, err
}