/**
 * Copyright (c) 2024 Dominic Masters
 * 
 * This software is released under the MIT License.
 * https://opensource.org/licenses/MIT
 */

#include "player.h"
#include "entity.h"
#include "entitydirection.h"
#include "rpg/world/map.h"
#include "input.h"
#include "assert/assert.h"
#include "ui/textbox.h"

void playerInit(entity_t *entity) {
  assertTrue(entity->type == ENTITY_TYPE_PLAYER, "Entity is not a player.");
}

void playerUpdate(entity_t *entity) {
  assertTrue(entity->type == ENTITY_TYPE_PLAYER, "Entity is not a player.");

  if(inputIsDown(INPUT_BIND_DOWN)) {
    return entityWalk(entity, ENTITY_DIRECTION_SOUTH);
  } else if(inputIsDown(INPUT_BIND_UP)) {
    return entityWalk(entity, ENTITY_DIRECTION_NORTH);
  } else if(inputIsDown(INPUT_BIND_LEFT)) {
    return entityWalk(entity, ENTITY_DIRECTION_WEST);
  } else if(inputIsDown(INPUT_BIND_RIGHT)) {
    return entityWalk(entity, ENTITY_DIRECTION_EAST);
  }

  if(inputIsDown(INPUT_BIND_ACCEPT)) {
    // Check what the player is trying to interact with
    uint16_t x = entity->x, y = entity->y;
    entityDirectionOffsetAdd(entity->direction, &x, &y);

    entity_t *target = mapEntityGetByPosition(entity->map, x, y);
    if(target) {
      // Interact with the target
      target->direction = entityDirectionLookAt(
        target->x, target->y,
        entity->x, entity->y
      );

      target->state = ENTITY_STATE_TALKING;
      entity->state = ENTITY_STATE_TALKING;
      textboxSetText("Hello Player");
      return;
    }
  }
}