/*
 * ebusd - daemon for communication with eBUS heating systems.
 * Copyright (C) 2014-2016 John Baier <ebusd@ebusd.eu>
 *
 * 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/>.
 */

#include <iostream>
#include <iomanip>
#include <string>
#include <vector>
#include "filereader.h"

using namespace std;
using namespace ebusd;

static bool error = false;

void verify(bool expectFailMatch, string type, string input,
    bool match, string expectStr, string gotStr) {
  match = match && expectStr == gotStr;
  if (expectFailMatch) {
    if (match) {
      cout << "  failed " << type << " match >" << input
              << "< error: unexpectedly succeeded" << endl;
      error = true;
    } else {
      cout << "  failed " << type << " match >" << input << "< OK" << endl;
    }
  } else if (match) {
    cout << "  " << type << " match >" << input << "< OK" << endl;
  } else {
    cout << "  " << type << " match >" << input << "< error: got >"
            << gotStr << "<, expected >" << expectStr << "<" << endl;
      error = true;
  }
}

int main() {
  istringstream ifs(
    "line 1 col 1,line 1 col 2,line 1 col 3\n"
    "line 2 col 1,\"line 2 col 2\",\"line 2 \"\"col 3\"\"\"\n"
    "line 4 col 1,\"line 4 col 2 part 1\n"
    "line 4 col 2 part 2\",line 4 col 3\n"
    ",,,\n"
    "line 6 col 1,,line 6 col 3\n"
    "line 8 col 1,\"line 8 col 2 part 1;\n"
    "line 8 col 2 part 2\",line 8 col 3\n"
  );
  string resultlines[][3] = {
    {"line 1 col 1", "line 1 col 2", "line 1 col 3"},
    {"line 2 col 1", "line 2 col 2", "line 2 \"col 3\""},
    {"", "", ""},
    {"line 4 col 1", "line 4 col 2 part 1;line 4 col 2 part 2", "line 4 col 3"},
    {"", "", ""},
    {"line 6 col 1", "", "line 6 col 3"},
    {"", "", ""},
    {"line 8 col 1", "line 8 col 2 part 1;line 8 col 2 part 2", "line 8 col 3"},
  };
  unsigned int lineNo = 0;
  vector<string> row;

  while (FileReader::splitFields(ifs, row, lineNo)) {
    cout << "line " << static_cast<unsigned>(lineNo) << ": split OK" << endl;
    string resultline[3] = resultlines[lineNo-1];
    if (row.empty()) {
      cout << "  result empty";
      if (resultline[0] == "") {
        cout << ": OK" << endl;
      } else {
        cout << ": error" << endl;
        error = true;
      }
      continue;
    }
    for (vector<string>::iterator it = row.begin(); it != row.end(); it++) {
      string got = *it;
      string expect = resultline[distance(row.begin(), it)];
      ostringstream type;
      type << "line " << static_cast<unsigned>(lineNo) << " col " << static_cast<size_t>(distance(row.begin(), it)+1);
      verify(false, type.str(), expect, got == expect, expect, got);
    }
  }

  return error ? 1 : 0;
}