package echo

import (
	"fmt"
	"os"
	"strings"

	"gitea.meta-tech.academy/go/core/style"
	"gitea.meta-tech.academy/go/core/sys"
)

var curStyles *style.Styles
var hasCurStyle bool = false
var msgUninit = "Missing current *style.Styles, you should call echo.SetCurrentStyles(styles *style.Styles) first"

func Cstyle(name string) *style.Style {
	if !hasCurStyle {
		panic(msgUninit)
	}
	return curStyles.Get(name)
}

func Ln(a ...any) {
	Cstyle("").Ln()
}

func SetCurrentStyles(styles *style.Styles) {
	curStyles = styles
	hasCurStyle = true
}

func Title(title string, subtitle string) {
	Cstyle("").Echof("\n ")
	Cstyle("appSep").Echof(" :: ")
	Cstyle("appTitle").Echof(title)
	if subtitle != "" {
		Cstyle("appSubTitle").Echof(" %s", subtitle)
	}
	Cstyle("appSep").Echof(" :: ")
	Ln()
}

func Action(action string, param string) {
	Ln()
	Cstyle("actionSep").Echo(" * ")
	Cstyle("action").Echof("%s ", action)
	Cstyle("param").Echo(param)
	Ln()
}

func State(done bool) {
	c := Cstyle("ok")
	label := "  OK  "
	if !done {
		c = Cstyle("ko")
		label = "  KO  "
	}
	fmt.Print(strings.Repeat(" ", 2))
	for i := 0; i < sys.TERM_WIDTH-20; i++ {
		Cstyle("sep").Echo("-")
		// time.Sleep(3 * time.Millisecond)
	}
	Cstyle("sep").Echo(" ")
	c.Echo(label)
	Ln()
}

func Keyval(key string, val string, names ...string) {
	if !hasCurStyle {
		panic(msgUninit)
	}
	curStyles.Keyval(key, val, names...)
}

func Msg(msg string) {
	fmt.Printf("%s%s\n", strings.Repeat(" ", 4), msg)
}

func LineUp(count int) {
	fmt.Printf("\033[%dA", count)
}

func Error(msg string, exit ...bool) {
	fmt.Printf(" ")
	Cstyle("ko").Echof(" %s ", msg)
	Ln()
	Ln()
	if len(exit) > 0 && exit[0] {
		os.Exit(1)
	}
}

func GetArg(msg string) string {
	return Cstyle("usageArg").Applyf(" % s", msg)
}

func GetArgOpt(msg string) string {
	return Cstyle("usageSep").Apply("[") + Cstyle("usageArg").Apply(msg) + Cstyle("usageSep").Apply("] ")
}

func GetComment(msg string) string {
	return Cstyle("usageCom").Apply(msg)
}

func GetApp(msg string, cmd string) string {
	return Cstyle("usageApp").Applyf("%s ", msg) + Cstyle("usageCmd").Apply(cmd)
}