#ifndef JNR_HAZARDS_H
#define JNR_HAZARDS_H

#include "engine/entity.h"
#include "engine/camera.h"
#include "engine/tilemap.h"

/* ═══════════════════════════════════════════════════
 *  TURRET — Wall/floor-mounted gun that shoots at
 *  the player when in range, on a cooldown timer.
 * ═══════════════════════════════════════════════════ */

#define TURRET_WIDTH        14
#define TURRET_HEIGHT       16
#define TURRET_DETECT_RANGE 160.0f   /* detection radius in px       */
#define TURRET_SHOOT_CD     2.0f     /* seconds between shots        */
#define TURRET_HEALTH       3

typedef struct TurretData {
    float shoot_timer;               /* countdown to next shot       */
    float fire_flash;                /* visual: time remaining on flash */
} TurretData;

void    turret_register(EntityManager *em);
Entity *turret_spawn(EntityManager *em, Vec2 pos);

/* ═══════════════════════════════════════════════════
 *  MOVING PLATFORM — Travels back and forth along a
 *  horizontal or vertical path. Player rides on top.
 * ═══════════════════════════════════════════════════ */

#define MPLAT_WIDTH   16
#define MPLAT_HEIGHT  16
#define MPLAT_SPEED   40.0f          /* pixels per second            */
#define MPLAT_RANGE   80.0f          /* total travel distance in px  */

typedef struct MovingPlatData {
    Vec2  origin;                    /* center of travel path        */
    Vec2  direction;                 /* (1,0) horizontal / (0,1) vert*/
    float range;                     /* half-distance of travel      */
    float phase;                     /* current sine phase (radians) */
} MovingPlatData;

void    mplat_register(EntityManager *em);
Entity *mplat_spawn(EntityManager *em, Vec2 pos);
/* Spawn with explicit direction: dir (1,0) = horizontal, (0,1) = vertical */
Entity *mplat_spawn_dir(EntityManager *em, Vec2 pos, Vec2 dir);

/* ═══════════════════════════════════════════════════
 *  FLAME VENT — Floor-mounted grate that periodically
 *  bursts blue flames upward. Damages on contact
 *  when flames are active.
 * ═══════════════════════════════════════════════════ */

#define FLAME_WIDTH        16
#define FLAME_HEIGHT       16
#define FLAME_ON_TIME      1.5f      /* seconds flames are active    */
#define FLAME_OFF_TIME     2.0f      /* seconds between bursts       */
#define FLAME_DAMAGE       1

typedef struct FlameVentData {
    float timer;                     /* counts down in current phase */
    bool  active;                    /* true = flames on             */
    float warn_time;                 /* brief flicker before igniting*/
} FlameVentData;

void    flame_vent_register(EntityManager *em);
Entity *flame_vent_spawn(EntityManager *em, Vec2 pos);

/* ═══════════════════════════════════════════════════
 *  FORCE FIELD — Energy barrier that toggles on/off
 *  on a timer. Blocks movement and damages when
 *  active, passable when off.
 * ═══════════════════════════════════════════════════ */

#define FFIELD_WIDTH       16
#define FFIELD_HEIGHT      16
#define FFIELD_ON_TIME     3.0f      /* seconds barrier is active    */
#define FFIELD_OFF_TIME    2.0f      /* seconds barrier is off       */
#define FFIELD_DAMAGE      1

typedef struct ForceFieldData {
    float timer;                     /* counts down in current phase */
    bool  active;                    /* true = barrier is on         */
} ForceFieldData;

void    force_field_register(EntityManager *em);
Entity *force_field_spawn(EntityManager *em, Vec2 pos);

/* ═══════════════════════════════════════════════════
 *  ASTEROID — Falls from the sky, damages the player
 *  on contact, explodes on hitting the ground, then
 *  respawns at its original position after a delay.
 * ═══════════════════════════════════════════════════ */

#define ASTEROID_WIDTH     14
#define ASTEROID_HEIGHT    14
#define ASTEROID_FALL_SPEED 200.0f   /* base fall speed (px/s)       */
#define ASTEROID_ACCEL     350.0f    /* fall acceleration (px/s^2)   */
#define ASTEROID_DRIFT_MAX 60.0f     /* max horizontal drift (px/s)  */
#define ASTEROID_DAMAGE    1
#define ASTEROID_RESPAWN   6.0f      /* seconds before respawning    */

typedef struct AsteroidData {
    Vec2  spawn_pos;                 /* original position (for reset)*/
    float fall_speed;                /* current fall velocity        */
    float drift_x;                   /* horizontal velocity (px/s)   */
    float respawn_timer;             /* countdown while inactive     */
    bool  falling;                   /* true = falling, false = wait */
    float trail_timer;               /* particle trail interval      */
    float start_delay;               /* initial delay before first fall */
} AsteroidData;

void    asteroid_register(EntityManager *em);
Entity *asteroid_spawn(EntityManager *em, Vec2 pos);

#endif /* JNR_HAZARDS_H */