#ifndef COMMON_H
#define COMMON_H

#include "settings.h"
#include <stdbool.h>

typedef struct {
  int x, y;
} Vec2;

// Tile types
typedef enum { TILE_WALL, TILE_FLOOR, TILE_STAIRS } TileType;

// Status effect types
typedef enum { EFFECT_NONE, EFFECT_POISON, EFFECT_STUN, EFFECT_BLEED, EFFECT_WEAKEN, EFFECT_BURN } StatusEffectType;

// Damage classes
typedef enum { DMG_SLASH, DMG_IMPACT, DMG_PIERCE, DMG_FIRE, DMG_POISON } DamageClass;

// Status effect instance
typedef struct {
  StatusEffectType type;
  int duration;   // turns remaining
  int intensity;  // damage per tick or stat reduction amount
} StatusEffect;

// Room
typedef struct {
  int x, y, w, h;
} Room;

// Map
typedef struct {
  TileType tiles[MAP_HEIGHT][MAP_WIDTH];
  Room rooms[MAX_ROOMS];
  int room_count;
  unsigned char visible[MAP_HEIGHT][MAP_WIDTH];
  unsigned char remembered[MAP_HEIGHT][MAP_WIDTH];
} Map;

// Dungeon
typedef struct {
  int current_floor;
  Room rooms[MAX_ROOMS];
  int room_count;
} Dungeon;

// Item types
typedef enum { ITEM_POTION, ITEM_WEAPON, ITEM_ARMOR } ItemType;

// Item
typedef struct {
  int x, y;
  ItemType type;
  int power;
  int floor;
  int picked_up;
  DamageClass dmg_class;
  int crit_chance;
  int crit_multiplier;
  int status_chance;
} Item;

// Player
typedef struct {
  Vec2 position;
  int hp, max_hp;
  int attack;
  int defense;
  int floor;
  int step_count;
  int speed;     // actions per 100 ticks (100 = 1 action per turn)
  int cooldown;  // countdown to next action (0 = can act)
  int dodge;     // dodge chance percentage
  int block;     // flat damage reduction on successful block roll
  Item equipped_weapon;
  int has_weapon;
  Item equipped_armor;
  int has_armor;
  Item inventory[MAX_INVENTORY];
  int inventory_count;
  // status effects
  StatusEffect effects[MAX_EFFECTS];
  int effect_count;
} Player;

// Enemy types
typedef enum { ENEMY_GOBLIN, ENEMY_SKELETON, ENEMY_ORC } EnemyType;

// Enemy
typedef struct {
  Vec2 position;
  int hp;
  int max_hp;
  int attack;
  int alive;
  EnemyType type;
  int speed;     // actions per 100 ticks
  int cooldown;  // countdown to next action
  int dodge;     // dodge chance percentage
  int block;     // flat damage reduction
  int resistance[NUM_DMG_CLASSES];
  DamageClass dmg_class;
  int status_chance;
  int crit_chance;  // crit chance percentage (0-100)
  int crit_mult;    // crit damage multiplier percentage (e.g. 150 = 1.5x)
  // vision
  int vision_range;
  int alert;         // 1 = aware of player, searching
  int last_known_x;  // last position where enemy saw player
  int last_known_y;
  // status effects
  StatusEffect effects[MAX_EFFECTS];
  int effect_count;
} Enemy;


#endif  // COMMON_H