package choose_files

import (
	"fmt"
	"os"
	"path/filepath"

	"github.com/kovidgoyal/kitty/tools/tui/loop"
	"github.com/kovidgoyal/kitty/tools/utils"
)

var _ = fmt.Print

func (h *Handler) current_save_file_path() string {
	ans := h.rl.AllText()
	if ans != "" {
		ans = utils.Expanduser(ans)
		if !filepath.IsAbs(ans) {
			ans = filepath.Join(h.state.save_file_cdir, ans)
		}
	}
	return ans
}

func (h *Handler) save_file_name_handle_key(ev *loop.KeyEvent) (err error) {
	switch {
	case ev.MatchesPressOrRepeat("esc") || ev.MatchesPressOrRepeat("ctrl+c"):
		h.state.selections = nil
		h.state.screen = NORMAL
		err = h.draw_screen()
	case ev.MatchesPressOrRepeat("enter"):
		if p := h.current_save_file_path(); p != "" {
			h.state.selections = []string{p}
			h.lp.Quit(0)
		} else {
			h.lp.Beep()
		}
	default:
		if err = h.rl.OnKeyEvent(ev); err == nil {
			err = h.draw_screen()
		}
	}
	return
}

func (h *Handler) initialize_save_file_name() {
	h.state.screen = SAVE_FILE
	h.rl.ResetText()
	cdir := h.state.CurrentDir()
	fname := h.state.suggested_save_file_name
	if len(h.state.selections) > 0 {
		if q, err := filepath.Abs(h.state.selections[0]); err == nil {
			if s, err := os.Stat(q); err == nil {
				if s.IsDir() == h.state.mode.OnlyDirs() {
					cdir = filepath.Dir(q)
					fname = filepath.Base(q)
				}
			}
		}
	}
	h.rl.SetText(fname)
	h.state.save_file_cdir = cdir
}

func (h *Handler) draw_save_file_name_screen() (err error) {
	desc := utils.IfElse(h.state.mode == SELECT_SAVE_FILE, "file", "directory")
	h.lp.Println("Enter the name of the", desc, "below, relative to:")
	h.lp.Println(h.lp.SprintStyled("fg=green", h.state.save_file_cdir))
	h.lp.Println()
	h.rl.RedrawNonAtomic()
	return
}