/* Copyright (C) 2014, 2015 by Alexandru Cojocaru */

/* This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>. */

package main

import (
	"bufio"
	"bytes"
	"fmt"
	"log"
	"os"
)

type pair [2]rune

var words = make(map[pair]uint)

func insertWord(word []byte) {
	runes := bytes.Runes(word)
	if len(runes) == 1 {
		return
	}
	for i := 0; i < len(runes)-1; i++ {
		p := pair{runes[i], runes[i+1]}
		words[p] += 1
	}
}

func checkSpelling(word []byte) {
	runes := bytes.Runes(word)

	for i := 0; i < len(runes)-1; i++ {
		p := pair{runes[i], runes[i+1]}
		if words[p] < 100 {
			fmt.Printf("%s [mispelled]\n", string(runes))
			return
		}
	}

	fmt.Printf("%s [correct]\n", string(runes))
}

func foreachLine(path string, cb func([]byte)) {
	f, err := os.Open(path)
	if err != nil {
		log.Fatal(err)
	}
	defer f.Close()
	scanner := bufio.NewScanner(f)
	for scanner.Scan() {
		cb(scanner.Bytes())
	}
	if scanner.Err() != nil {
		log.Fatal(scanner.Err())
	}
}

func main() {
	log.SetFlags(log.Lshortfile)
	foreachLine("1922_wordlist.txt", insertWord)
	foreachLine("1922_input.txt", checkSpelling)
}