////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
#include <iostream>
#include <unistd.h>

#include <TDB.h>
#include <library.h>

////////////////////////////////////////////////////////////////////////////////
int main (int argc, char** argv)
{
  plan (43);

  try
  {
    // Remove any residual test file.
    unlink ("./pending.data");
    unlink ("./completed.data");

    // Try reading an empty database.
    TDB tdb;
    tdb.dataDirectory (".");
    std::vector <T> all;
    ok (!tdb.pendingT (all), "TDB::pendingT read empty db");
    is ((int) all.size (), 0, "empty db");
    ok (!tdb.allPendingT (all), "TDB::allPendingT read empty db");
    is ((int) all.size (), 0, "empty db");
    ok (!tdb.completedT (all), "TDB::completedT read empty db");
    is ((int) all.size (), 0, "empty db");
    ok (!tdb.allCompletedT (all), "TDB::allCompletedT read empty db");
    is ((int) all.size (), 0, "empty db");

    // Add a new task.
    T t1;
    t1.setId (1);
    t1.setStatus (T::pending);
    t1.setAttribute ("project", "p1");
    t1.setDescription ("task 1");
    diag (t1.compose ());
    ok (tdb.addT (t1), "TDB::addT t1");

    // Verify as above.
    ok (tdb.pendingT (all), "TDB::pendingT read db");
    is ((int) all.size (), 1, "empty db");
    ok (tdb.allPendingT (all), "TDB::allPendingT read db");
    is ((int) all.size (), 1, "empty db");
    ok (!tdb.completedT (all), "TDB::completedT read empty db");
    is ((int) all.size (), 0, "empty db");
    ok (!tdb.allCompletedT (all), "TDB::allCompletedT read empty db");
    is ((int) all.size (), 0, "empty db");

    // TODO Modify task.
    fail ("modify");
    fail ("verify");

    // Complete task.
    ok (tdb.completeT (t1), "TDB::completeT t1");;
    ok (!tdb.pendingT (all), "TDB::pendingT read db");
    is ((int) all.size (), 0, "empty db");
    ok (tdb.allPendingT (all), "TDB::allPendingT read db");
    is ((int) all.size (), 1, "empty db");
    ok (!tdb.completedT (all), "TDB::completedT read empty db");
    is ((int) all.size (), 0, "empty db");
    ok (!tdb.allCompletedT (all), "TDB::allCompletedT read empty db");
    is ((int) all.size (), 0, "empty db");

    is (tdb.gc (), 1, "TDB::gc");
    ok (!tdb.pendingT (all), "TDB::pendingT read empty db");
    is ((int) all.size (), 0, "empty db");
    ok (!tdb.allPendingT (all), "TDB::allPendingT read empty db");
    is ((int) all.size (), 0, "empty db");
    ok (tdb.completedT (all), "TDB::completedT read db");
    is ((int) all.size (), 1, "empty db");
    ok (tdb.allCompletedT (all), "TDB::allCompletedT read db");
    is ((int) all.size (), 1, "empty db");

    // Add a new task.
    T t2;
    t2.setId (2);
    t2.setAttribute ("project", "p2");
    t2.setDescription ("task 2");
    diag (t2.compose ());
    ok (tdb.addT (t2), "TDB::addT t2");

    fail ("verify");

    // Delete task.
    ok (tdb.deleteT (t2), "TDB::deleteT t2");

    fail ("verify");

    // GC the files.
    is (tdb.gc (), 1, "1 <- TDB::gc");

    // Read log file.
    std::vector <std::string> entries;
    tdb.logRead (entries);
    std::vector <std::string>::iterator it;
    for (it = entries.begin (); it != entries.end (); ++it)
      diag (*it);

    // TODO Verify contents of above transactions.
    fail ("verify");
  }

  catch (std::string& error)
  {
    diag (error);
    return -1;
  }

  catch (...)
  {
    diag ("Unknown error.");
    return -2;
  }

/*
  unlink ("./pending.data");
  unlink ("./completed.data");
*/
  return 0;
}

////////////////////////////////////////////////////////////////////////////////