// License: GPLv3 Copyright: 2022, Kovid Goyal, <kovid at kovidgoyal.net>

package completion

import (
	"fmt"
	"io/fs"
	"os"
	"path/filepath"
	"strings"

	"golang.org/x/sys/unix"
)

var _ = fmt.Print

func complete_kitty(completions *Completions, word string, arg_num int) {
	exes := complete_executables_in_path(word)
	if len(exes) > 0 {
		mg := completions.add_match_group("Executables in PATH")
		for _, exe := range exes {
			mg.add_match(exe)
		}
	}

	if len(word) > 0 && (filepath.IsAbs(word) || strings.HasPrefix(word, "./")) {
		mg := completions.add_match_group("Executables")
		mg.IsFiles = true

		complete_files(word, func(q, abspath string, d fs.DirEntry) error {
			if d.IsDir() {
				// only allow directories that have sub-dirs or executable files in them
				entries, err := os.ReadDir(abspath)
				if err == nil {
					for _, x := range entries {
						if x.IsDir() || unix.Access(filepath.Join(abspath, x.Name()), unix.X_OK) == nil {
							mg.add_match(q)
						}
					}
				}
			} else if unix.Access(abspath, unix.X_OK) == nil {
				mg.add_match(q)
			}
			return nil
		})
	}
}