/**** player.c - player creation, movement, etc. functions
This file contains the functions for initializing and commanding the player->

****/
#include <string.h> // for strcat
#include "player.h"
#include "game.h"
#include "stubs.h"

void playerSetCommand(int command_id, void(*function)) {
  player_commands[command_id] = function;
}

/* in-game movement stuff */
void playerMove(int direction, int distance) {
  switch(direction) {
    case NORTH:
      if (!gameCollision(player->x, (player->y-distance))) {
        gameMoveTile(player, player->x, player->y-distance);
      }
      break;
    case NORTHWEST:
      if (!gameCollision(player->x-distance, (player->y-distance))) {
        gameMoveTile(player, player->x-distance, player->y-distance);
      }
      break;
    case NORTHEAST:
      if (!gameCollision(player->x+distance, (player->y-distance))) {
        gameMoveTile(player, player->x+distance, player->y-distance);
      }
      break;
    case SOUTH:
      if (!gameCollision(player->x, player->y+distance)) {
        gameMoveTile(player, player->x, player->y+distance);
      }
      break;
    case SOUTHWEST:
      if (!gameCollision(player->x-distance, player->y+distance)) {
        gameMoveTile(player, player->x-distance, player->y+distance);
      }
      break;
    case SOUTHEAST:
      if (!gameCollision(player->x+distance, player->y+distance)) {
        gameMoveTile(player, player->x+distance, player->y+distance);
      }
      break;
    case EAST:
      if (!gameCollision(player->x+distance, player->y)) {
        gameMoveTile(player, player->x+distance, player->y);
      }
      break;
    case WEST:
      if (!gameCollision(player->x-distance, player->y)) {
        gameMoveTile(player, player->x-distance, player->y);
      }
      break;
  }
}

void playerLook(int x, int y) {
  char string[64];
  string[0] = '\0';
  struct Tile* debug_tile;
  if ((x < current_map->width && x >= 0) && (y < current_map->height && y >= 0)) {
    if (current_map->matrix[x][y].tid) {
      strcat(string, "You see: ");
      int chain_count = 0;
      debug_tile = &current_map->matrix[x][y];
      while(debug_tile != NULL) {
        strcat(string, ((struct BasicTile*)debug_tile->data)->name);
        if (debug_tile->next) {
          strcat(string, ", ");
        }
        debug_tile = debug_tile->next;
        chain_count++;
      }
      interfacePrint(string);
    }
  } else {
    interfacePrint("You gaze into the void...");
  }
}

void playerActivate(int x, int y) {
  activateTile(getTopTile(current_map, x, y), player);
}