// Multicall binary for file tools.
// Invoked via symlinks: file_read, file_write, file_edit, file_grep, file_glob.
package main

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

	"ollie/tools/filetools/internal/filetools"
)

func main() {
	name := filepath.Base(os.Args[0])
	var fn func(map[string]any) (string, error)
	switch name {
	case "file_read":
		fn = filetools.Read
	case "file_write":
		fn = filetools.Write
	case "file_edit":
		fn = filetools.Edit
	case "file_grep":
		fn = filetools.Grep
	case "file_glob":
		fn = filetools.Glob
	default:
		fmt.Fprintf(os.Stderr, "filetools: unknown tool %q\n", name)
		os.Exit(1)
	}

	var m map[string]any
	if err := json.NewDecoder(os.Stdin).Decode(&m); err != nil {
		fail("invalid JSON input: %v", err)
	}
	out, err := fn(m)
	if err != nil {
		if out != "" {
			fmt.Fprintln(os.Stdout, out)
		}
		fail("%v", err)
	}
	fmt.Println(out)
}

func fail(f string, a ...any) { fmt.Fprintf(os.Stderr, "error: "+f+"\n", a...); os.Exit(1) }