// cmd_test.cpp : test simple command handling with map
#include <iostream>
#include <map>
#include "Lexer.h"
#include "term_control.h"
#include "error_handling.h"
#include "cmd.h"
using namespace std;

/**
 * -----------------------------------------------------------------------------
 * just print a prompt. Note the variable 'flush' which forces the prompt to be
 * printed right away
 * -----------------------------------------------------------------------------
 */
void prompt() {
    cout << term_cc(BLUE) << "> " << term_cc() << flush;
}

/**
 * -----------------------------------------------------------------------------
 * the main body
 * -----------------------------------------------------------------------------
 */
int main() {
    map<string, cmd_handler_t> cmd_map;
    
    // simply add all commands to the map, there's a better way to initialize
    // in C++11, using g++ 4.4 or later, but Timberlake doesn't have it yet
    cmd_map["foreground"] = print_color;
    cmd_map["fg"]         = print_color;
    cmd_map["exit"] = bye;
    cmd_map["bye"]  = bye;
    cmd_map["quit"] = bye;

    // read inputs, call appropriate function from the map
    Lexer lex; string line; Token tok;
    while (cin) {
        prompt(); getline(cin, line); lex.set_input(line);

        if (!lex.has_more_token()) continue;
        tok = lex.next_token();
        if (tok.type != IDENT) {
            error_return("Syntax error");
            continue;
        }

        if (cmd_map.find(tok.value) != cmd_map.end()) {
            cmd_map[tok.value](lex);
        } else {
            error_return("Unknown command");
        }
    }
    return 0;
}