#include "context.h"
#include "player.h"
#include "game.h"
#include "stubs.h" // for interface calls
#include "main.h" // for is_running
#include "console.h" // for console stuff

void globalContext(int key_press) {
  switch(key_press) {
    case '`':
      if (current_context != &consoleContext) {
        current_context = &consoleContext;
      } else {
        current_context = &walkContext;
      }
      break;
    default:
      current_context(key_press);
      break;
  }
}

void consoleContext(int key_press) {
  switch(key_press) {
    case KEY_ESC:
      current_context = &walkContext;
      break;
    case 13: // enter
      // TODO: run command via string here
      consoleProcessCommand(console_cmd);
      console_cmd_offset = 0;
      console_cmd_size = 0;
      console_cmd[console_cmd_offset] = '\0';
      break;
    case 8:
    case 127: // delete
      console_cmd[console_cmd_offset-1] = '\0';
      if (console_cmd_offset > 0)
        console_cmd_offset--;
        console_cmd_size--;
      break;
    default:
      if (console_cmd_offset < 31) {
        console_cmd[console_cmd_offset] = key_press;
        console_cmd[console_cmd_offset+1] = '\0';
        console_cmd_offset++;
        console_cmd_size++;
      }
      break;
  }
}

void walkContext(int key_press) {
  switch(key_press) {
    case 'y':
      (*player_commands[PLAYER_MOVE])(NORTHWEST, 1);
      break;
    case 'u':
      (*player_commands[PLAYER_MOVE])(NORTHEAST, 1);
      break;
    case KEY_UP:
    case 'k':
      (*player_commands[PLAYER_MOVE])(NORTH, 1);
      break;
    case KEY_DOWN:
    case 'j':
      (*player_commands[PLAYER_MOVE])(SOUTH, 1);
      break;
    case 'b':
      (*player_commands[PLAYER_MOVE])(SOUTHWEST, 1);
      break;
    case 'n':
      (*player_commands[PLAYER_MOVE])(SOUTHEAST, 1);
      break;
    case KEY_RIGHT:
    case 'l':
      (*player_commands[PLAYER_MOVE])(EAST, 1);
      break;
    case KEY_LEFT:
    case 'h':
      (*player_commands[PLAYER_MOVE])(WEST, 1);
      break;
    case 'a':
      current_context = &activateContext;
      interfacePrint("Activate what?");
      break;
    case 'L':
      current_context = &lookContext;
      interfacePrint("Look where?");
      break;
  }
}

void lookContext(int key_press) {
  switch(key_press) {
    case KEY_ESC:
      interfacePrint("back in action, bb!");
      break;
    case KEY_UP:
    case 'k':
      (*player_commands[PLAYER_LOOK])(player->x, player->y-1);
      break;
    case KEY_DOWN:
    case 'j':
      (*player_commands[PLAYER_LOOK])(player->x, player->y+1);
      break;
    case KEY_RIGHT:
    case 'l':
      (*player_commands[PLAYER_LOOK])(player->x+1, player->y);
      break;
    case KEY_LEFT:
    case 'h':
      (*player_commands[PLAYER_LOOK])(player->x-1, player->y);
      break;
    case '.':
      (*player_commands[PLAYER_LOOK])(player->x, player->y);
      break;
    default:
      interfacePrint("invalid direction");
      break;
  }
  current_context = &walkContext;
}

void activateContext(int key_press) {
  switch(key_press) {
    case KEY_ESC:
      interfacePrint("back in action, bb!");
      break;
    case KEY_UP:
    case 'k':
      (*player_commands[PLAYER_ACTIVATE])(player->x, player->y-1);
      break;
    case KEY_DOWN:
    case 'j':
      (*player_commands[PLAYER_ACTIVATE])(player->x, player->y+1);
      break;
    case KEY_RIGHT:
    case 'l':
      (*player_commands[PLAYER_ACTIVATE])(player->x+1, player->y);
      break;
    case KEY_LEFT:
    case 'h':
      (*player_commands[PLAYER_ACTIVATE])(player->x-1, player->y);
      break;
    default:
      interfacePrint("invalid direction");
      break;
  }
  current_context = &walkContext;
}