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#include <string>
#include <iostream>
#include <fstream>
#include <cctype>
#include <sstream>
#include <list>
#include <algorithm>
#include <bits/stdc++.h>
#include <map>
#include "lex.h"

using std ::cin;
using std ::cout;
using std ::endl;
using std::find;
using std ::ifstream;
using std ::istringstream;
using std::list;
using std::map;
using std ::string;
using std::stringstream;

map<string, Token> reservedWords = {
    {"if", IF}, {"else", ELSE}, {"elsif", ELSIF}, {"put", PUT}, {"putline", PUTLN}, {"get", GET}, {"integer", INT}, {"float", FLOAT}, {"character", CHAR}, {"string", STRING}, {"boolean", BOOL}, {"procedure", PROCEDURE}, {"true", TRUE}, {"false", FALSE}, {"end", END}, {"is", IS}, {"begin", BEGIN}, {"then", THEN}, {"constant", CONST}};

LexItem id_or_kw(const string &lexeme, int linenum)
{
}

LexItem getNextToken(istream &in, int &linenum)

{

    string lexeme;
    char ch;

    while (in.get(ch))
    {
        if (ch == '\n')
        {
            linenum++;
        }

        if (ch == ' ')
        {
            continue;
        }

        if (isalpha(ch))
        {
            lexeme += ch;
        }

        if (ch == ',')
        {
            return LexItem(COMMA, "Comma", linenum);
        }

        if (ch == ';')
        {
            return LexItem(SEMICOL, "Semi-colon", linenum);
        }

        if (ch == '(')
        {
            return LexItem(LPAREN, "Left Parenthesis", linenum);
        }

        if (ch == ')')
        {
            return LexItem(RPAREN, "Right Parenthesis", linenum);
        }

        if (ch == ':')
        {
            return LexItem(COLON, "Colon", linenum);
        }

        if (ch == '.')
        {
            return LexItem(DOT, "Dot", linenum);
        }
    }
}

ostream &operator<<(ostream &out, const LexItem &tok)
{
}
int main(int argc, char *argv[])
{

    list<string> keywords{"begin", "end", "if", "else", "while", "for", "break", "continue", "case",
                          "switch", "class", "public", "private", "abstract", "final"};
    map<string, int> specMap;
    map<string, int> keyMap;
    map<string, int> idtMap;

    ifstream inputFile("infile4");
    int xx = 1;
    getNextToken(inputFile, xx);

    // if (argc < 2)
    // {
    //     cout << "NO SPECIFIED INPUT FILE NAME." << endl;
    //     return 0;
    // }

    // ifstream inputFile(argv[1]);
    // if (!inputFile.is_open())
    // {
    //     cout << "CANNOT OPEN THE FILE " << argv[1] << endl;
    //     return 0;
    // }

    // bool showKeywords = false;
    // bool showspecialWords = false;
    // bool showIdentifiers = false;

    // for (int i = 2; i < argc; i++)
    // {
    //     string flags = argv[i];
    //     if (flags == "-kw")
    //     {
    //         showKeywords = true;
    //     }
    //     else if (flags == "-sp")
    //     {
    //         showspecialWords = true;
    //     }
    //     else if (flags == "-id")
    //     {
    //         showIdentifiers = true;
    //     }
    //     else
    //     {
    //         cout << "UNRECOGNIZED FLAG " << flags << endl;
    //         return 0;
    //     }
    // }

    return 0;
}