#include "scripts.h"

#include <boost/format.hpp>

#include "logging.h"

ScriptTerror::ScriptTerror(Director &d) : Dispatch(d) {
  BUGZ_LOG(warning) << "ScriptTerror()";
  init();
}

ScriptTerror::~ScriptTerror() { BUGZ_LOG(warning) << "~ScriptTerror()"; }

void ScriptTerror::init(void) {
  BUGZ_LOG(fatal) << "ScriptTerror::init()";

  move = std::make_shared<MoveDispatch>(director);
  md = static_cast<MoveDispatch *>(&(*move));
  // setup notify functions for results/completion.
  md->setNotify([this]() { this->move_notify(); });

  input = std::make_shared<InputDispatch>(director);
  id = static_cast<InputDispatch *>(&(*input));
  id->prompt = "Number of loops: ";
  id->max_length = 4;
  id->numeric = true;
  id->setNotify([this]() { this->input_notify(); });

  trader = std::make_shared<TraderDispatch>(director);
  td = static_cast<TraderDispatch *>(&(*trader));
  td->setNotify([this]() { this->trade_notify(); });
  BUGZ_LOG(fatal) << "ScriptTerror::init() completed.";
}

void ScriptTerror::activate(void) {
  BUGZ_LOG(warning) << "ScriptTerror::activate()";
  // Need: InputDispatch, MoveDispatch, ScriptTrader

  // Save the trade_end_empty setting, and set to Y
  if (director.galaxy.config["trade_end_empty"]) {
    old_trade_end_empty =
        director.galaxy.config["trade_end_empty"].as<std::string>();
  } else {
    old_trade_end_empty = "Y";
  }
  director.galaxy.config["trade_end_empty"] = "Y";
  
  // Step 0:  Get ship information / # of holds
  max_loops = loops = -1;
  to_server("I");

  // Step 1:  Get number of loops of terror
  // director.chain = input;
  // input->activate();

  // Step 2:  Look for closest trades, try ScriptTrade until none < some
  // level. Step 3:  Move on, unless out of loops (or low on turns)

  // deactivate();
}

void ScriptTerror::deactivate(void) {
  BUGZ_LOG(warning) << "ScriptTerror::deactivate()";
  // restore the original value.
  director.galaxy.config["trade_end_empty"] = old_trade_end_empty;
  notify();
}

void ScriptTerror::input_notify(void) {
  if (id->input.empty()) {
    deactivate();
    return;
  }
  if (id->aborted) {
    deactivate();
    return;
  }

  max_loops = sstoi(id->input, -1);
  if (max_loops == -1) {
    deactivate();
    return;
  }
  id->input.clear();
  BUGZ_LOG(warning) << "Loops of terror: " << max_loops;
  loops = max_loops;

  // find nearest
  int stop_percent;
  if (director.galaxy.config["stop_percent"]) {
    stop_percent = director.galaxy.config["stop_percent"].as<int>();
  } else {
    stop_percent = 25;
    director.galaxy.config["stop_percent"] = stop_percent;
  }

  ppt = director.galaxy.find_closest_trade(director.current_sector, 3,
                                           stop_percent);
  if (ppt.type == 0) {
    to_client("No trades found!  You've burnt the galaxy!\n\r");
    deactivate();
    return;
  }
  // ok, step 2:  move!
  // md->setNotify([this]() { this->proxy_deactivate(); });

  if (director.current_sector != ppt.s1) {
    BUGZ_LOG(fatal) << "Moving to: " << ppt.s1;
    md->move_to = ppt.s1;
    director.chain = move;
    director.chain->activate();
    return;
  } else {
    // We're already there!
    to_client("Ok!  Get trading!\n\r");

    td->port[0] = ppt.s1;
    td->port[1] = ppt.s2;
    td->trades = ppt.trades;
    td->type = ppt.type;
    director.chain = trader;
    director.chain->activate();
    return;
  }
}

void ScriptTerror::move_notify(void) {
  BUGZ_LOG(fatal) << "move_notify()";
  if (md->aborted) {
    to_client("Move cancel.\n\r");
    deactivate();
    return;
  }

  // Check for success, and start trading!
  if (md->success) {
    to_client("We're here, get trading!\n\r");

    td->port[0] = ppt.s1;
    td->port[1] = ppt.s2;
    td->trades = ppt.trades;
    td->type = ppt.type;
    director.chain = trader;
    director.chain->activate();
    return;
  } else {
    to_client("Move FAILED.\n\r");
    deactivate();
  }
}

void ScriptTerror::server_prompt(const std::string &prompt) {
  if ((loops == -1) && (max_loops == -1)) {
    if (at_command_prompt(prompt)) {
      // Step 1:  Get number of loops of terror
      director.chain = input;
      input->activate();
      return;
    }
  }
}

void ScriptTerror::trade_notify(void) {
  // Done trading -- maybe! :P
  if (td->aborted) {
    to_client("Trade cancel.\n\r");
    deactivate();
    return;
  }

  if (td->success) {
    // success!

    // find nearest
    int stop_percent;
    if (director.galaxy.config["stop_percent"]) {
      stop_percent = director.galaxy.config["stop_percent"].as<int>();
    } else {
      stop_percent = 25;
      director.galaxy.config["stop_percent"] = stop_percent;
    }

    ppt = director.galaxy.find_closest_trade(director.current_sector, 3,
                                             stop_percent);
    if (ppt.type == 0) {
      to_client("No trades found!  You've burnt the galaxy!\n\r");
      deactivate();
      return;
    }
    if ((director.current_sector == ppt.s1) ||
        (director.current_sector == ppt.s2)) {
      // We're still here...
      BUGZ_LOG(fatal) << "Trade it again, Sam.";
      to_client("Keep trading.\n\r");
      td->port[0] = ppt.s1;
      td->port[1] = ppt.s2;
      td->trades = ppt.trades;
      td->type = ppt.type;
      director.chain = trader;
      director.chain->activate();
      return;
    }
    // Ok, this isn't a local trade.
    if (loops == 0) {
      to_client("We're done terrorizing, for now...\n\r");
      deactivate();
      return;
    }
    --loops;
    // Move to our next target
    BUGZ_LOG(fatal) << "Moving to: " << ppt.s1;
    md->move_to = ppt.s1;
    director.chain = move;
    director.chain->activate();
    return;
  }
  to_client("Ok, trade is done.\n\r");
  deactivate();
}

ScriptVoyager::ScriptVoyager(Director &d) : Dispatch(d) {
  BUGZ_LOG(warning) << "ScriptVoyager()";
  init();
}

ScriptVoyager::~ScriptVoyager() {
  BUGZ_LOG(warning) << "~ScriptVoyager()";
}

void ScriptVoyager::init(void) {
  move = std::make_shared<MoveDispatch>(director);
  md = static_cast<MoveDispatch *>(&(*move));
  md->setNotify([this]() { this->move_notify(); });

  input = std::make_shared<InputDispatch>(director);
  id = static_cast<InputDispatch *>(&(*input));
  id->prompt = "Number of loops/tries: ";
  id->max_length = 5;
  id->numeric = true;
  id->setNotify([this](){ this->input_notify();});
}

void ScriptVoyager::activate(void) {
  director.chain = input;
  input->activate();
  return;
}

void ScriptVoyager::deactivate(void) {
  BUGZ_LOG(warning) << "ScriptVoyager::deactivate()";
  notify();
}

void ScriptVoyager::move_notify(void) {
  if (md->aborted) {
    deactivate();
    return;
  }
  if (md->success) {
    // Great!
    next();
    return;
  } else {
    to_client("No safe moves.\n\r");
    deactivate();
  }
}

void ScriptVoyager::input_notify(void) {
  if (id->input.empty() || id->aborted) {
    to_client("Ok, maybe later then.\n\r");
    deactivate();
    return;
  }
  loops = sstoi(id->input, -1);

  if (loops == -1) {
    to_client("I'm sorry, WHAT?\n\r");
    deactivate();
  }

  id->input.clear();
  BUGZ_LOG(warning) << "Voyager loops: " << loops;
  next();
}

void ScriptVoyager::next(void) {
  if (loops == 0) {
    // ok, stop here.
    to_client("The voyage ends here, for now.\n\r");
    deactivate();
    return;
  }

  --loops;

  sector_type s = director.galaxy.find_nearest_unexplored(director.current_sector);
  if (s == 0) {
    to_client("I don't see anything else to explorer.\n\r");
    BUGZ_LOG(warning) << "find_nearest_unexplored returned 0";
    deactivate();
  }

  BUGZ_LOG(warning) << "Next stop: " << s;
  md->move_to = s;
  director.chain = move;
  director.chain->activate();

}

// SL: [###### DANGER! You have marked sector 740 to be avoided!]
// SP: [Do you really want to warp there? (Y/N) ]

void ScriptVoyager::server_prompt(const std::string &prompt) {

}

ScriptExplore::ScriptExplore(Director &d) : Dispatch(d) {
  BUGZ_LOG(warning) << "ScriptExplore()";
  init();
}

ScriptExplore::~ScriptExplore() {
  BUGZ_LOG(warning) << "~ScriptExplore()";
}

void ScriptExplore::init() {
  move = std::make_shared<MoveDispatch>(director);
  md = static_cast<MoveDispatch *>(&(*move));
  md->setNotify([this]() {this->move_notify();});

  input = std::make_shared<InputDispatch>(director);
  id = static_cast<InputDispatch *>(&(*input));
  id->prompt = "Number of sectors to explore: ";
  id->max_length = 5;
  id->numeric = true;
  id->setNotify([this](){this->input_notify();});
  state = 0;
}

void ScriptExplore::activate() {
  us = director.chain;

  state = 1;
  to_server("I");
  /* 
  director.chain = input;
  input->activate();
  if(director.galaxy.meta["ship"]) {
    if(!director.galaxy.meta["ship"]["scanner"]) {
      to_client("\n\rIt appears your ship doesn't have a long range scanner.\n\r");
      deactivate();
    }
  }
  state = 1;
  return;
  */
}

void ScriptExplore::deactivate() {
  BUGZ_LOG(warning) << "ScriptExplore::deactivate()";
  us.reset();
  notify();
}

void ScriptExplore::move_notify() {
  director.chain = us;
  if (md->aborted) {
    deactivate();
    return;
  }
  if (md->success) {
    to_server("SD");
    state = 3;
    return;
  } else {
    to_client("No safe moves.\n\r");
    deactivate();
  }
}

void ScriptExplore::input_notify() {
  director.chain = us;
  if (id->input.empty() || id->aborted) {
    to_client("Maybe next time.\n\r");
    deactivate();
    return;
  }
  loops = sstoi(id->input, -1);

  if (loops == -1) {
    to_client("I'm sorry, WHAT?\n\r");
    deactivate();
    return;
  }
  if (loops == 0) {
    infinite = true;
  } else {
    infinite = false;
  }

  id->input.clear();
  if (!infinite) {
    BUGZ_LOG(warning) << "Explore loops: " << loops;
  } else {
    to_client("Infinite Mode!\n\r");
    to_client("[ PRESS A KEY TO STOP ]\n\r");
    BUGZ_LOG(warning) << "Explore loops: INFINITE";
  }
  
  
  to_server("SD");
  state = 3;
}

void ScriptExplore::next() {
  if (loops <= 0 && !infinite) {
    to_client("The exploration ends, for now.\n\r");
    deactivate();
    return;
  }
  if(!infinite)
    --loops;

  // Calculate next best sector to goto
  density_scan & ds = director.galaxy.dscan;
  density best_sector;
  for (int x = 0; x < ds.pos; ++x) {
    BUGZ_LOG(warning) << "Comparing: " << ds.d[x].sector << " (" << ds.d[x].density << ", " << ds.d[x].known <<") to " << best_sector.sector << " (" << best_sector.density << ", " << best_sector.known << ")";
    /* Is this sector prefered over others?
       * Warp Counts (Number of warps)
       * Density Check (Is this sector clear, does it contain a port)
       * NavHaz Check (Avoid sectors with navhaz above X%)
    */
    if(!ds.d[x].known) {
      BUGZ_LOG(warning) << "Subject: " << ds.d[x].sector;
      // Compare, Warp counts
      if (best_sector.sector != 0) {
        if((ds.d[x].warps >= best_sector.warps) || ((ds.d[x].density == 100 || ds.d[x].density == 101) && (best_sector.density != 100 || best_sector.density != 101))) {
          if(safe_sector(ds.d[x])) {
            if(best_sector.sector != 0) {
              BUGZ_LOG(warning) << "Storing previous best " << best_sector.sector;
              unknown_warps.push(best_sector.sector);
            }
            best_sector = ds.d[x];
          }
        } else {
          if(safe_sector(ds.d[x])) {
            BUGZ_LOG(warning) << "Added " << ds.d[x].sector << " to unknown_warps (" << unknown_warps.size() << ")";
            unknown_warps.push(ds.d[x].sector);
          }
        }
      } else {
        best_sector = ds.d[x];
      }
      // Check density for possible port
    }
  }
  BUGZ_LOG(warning) << "Unknown Warps: " << unknown_warps.size();
  if (best_sector.sector == 0) {
    if (unknown_warps.size() == 0) {
      to_client("No unknown warps.");
      deactivate();
      return;
    } else {
      BUGZ_LOG(warning) << "Seeking previous unexplored";
      best_sector.sector = unknown_warps.top();
      unknown_warps.pop();
    }
  }
  BUGZ_LOG(warning) << "Targeting sector: " << best_sector.sector;
  md->move_to = best_sector.sector;
  director.chain = move;
  director.chain->activate();
}

bool ScriptExplore::safe_sector(density d) {  // int sector, int density) {
  if (d.sector == 0) return false;
  if (d.anomaly) return false;
  int dense = d.density;
  /*
  http://wiki.classictw.com/index.php?title=Gypsy%27s_Big_Dummy%27s_Guide_to_TradeWars_Text#Trader_Information
  Density Readings:
    0 = Empty Sector or Ferrengi Dreadanought
    1 = Marker Beacon
    2 = Limpet Type 2 Tracking Mine
    5 = Fighter (per Fighter)
   10 = Armid Type 1 Mine
   21 = Navigation Hazard (Per 1 Percent)
   21 = Destroyed Ship     (Due to 1 Percent Nav-Haz)
   38 = Unmanned Ship
   40 = Manned Ship, Alien or Ferrengi Assault Trader
   50 = Destroyed Starport (After 25 Percent Nav-Haz Clears)
  100 = Starport or Ferrengi Battle Cruiser
  210 = Destroyed Planet   (Due to 10 Percent Nav-Haz)
  462 = Federation Starship under Admiral Nelson
  489 = Federation Starship under Captain Zyrain
  500 = Planet
  512 = Federation Starship under Admiral Clausewitz
  575 = Destroyed Port (Before 25% Nav-Haz Clears)
  */
  // Adjust density by upto 5% navhaz (Only if navhaz less than 6%)
  if(d.navhaz != 0 && d.navhaz <= 5) {
    dense -= d.navhaz * 21;
  }
  // If navhaz above 5% report it unsafe
  if (d.navhaz > 5) return false;

  switch (dense) {
    case 0:
    case 1:
    case 100:
    case 101:
      return true;
  }
  // special case for sector 1:
  if ((d.sector == 1) && (dense == 601)) return true;
  return false;
}


void ScriptExplore::server_prompt(const std::string &prompt) {
  BUGZ_LOG(warning) << "Explorer State: SP " << state;
  //next();
  if(state == 1) {
    if(at_command_prompt(prompt)) {
      if(director.galaxy.meta["ship"]) {
        if(!director.galaxy.meta["ship"]["scanner"]) {
          to_client("\n\rIt appears your ship doesn't have a long range scanner.\n\r");
          deactivate();
          return;
        }
      }
      state = 2;
      BUGZ_LOG(fatal) << "state = 1, prompting for user input";
      director.chain = input;
      input->activate();
      return;
    }
  }
  if (state == 3) {
    if(at_command_prompt(prompt)) {
      state = 4;
      next();
    }
  }
}