#ifndef CONSTS_H
#define CONSTS_H

#include <cstdint>

const int START_LENGTH = 4;
const int START_LENGTH_HARD = 2;
const int APPLE_SCORE = 10;
const int CURSE_DURATION_TICKS = 40;

// Evil item lifetimes (in game ticks, so density stays balanced across speed scaling)
const int BAD_APPLE_LIFETIME_TICKS    = 80; // Rotten apple lasts 80 ticks (~8 spawn cycles)
const int CURSED_APPLE_LIFETIME_TICKS = 90; // Cursed apple lasts 90 ticks before despawning

// Cursed apple palette indices in SPRITE_PALETTE_SUB
const uint16_t CURSE_PAL_OUTLINE = 16;
const uint16_t CURSE_PAL_FILL    = 17;
const uint16_t CURSE_PAL_GLOW    = 18;
const uint16_t CURSE_PAL_CORE    = 19;
const uint16_t CURSE_PAL_LEAF    = 20;

// Barrier palette indices in SPRITE_PALETTE_SUB (animated every VBlank)
const uint16_t BARRIER_PAL_EDGE   = 21;
const uint16_t BARRIER_PAL_FILL   = 22;
const uint16_t BARRIER_PAL_STRIPE = 23;
const uint16_t BARRIER_PAL_WARN   = 24;

// Hard-mode temporary fatal barriers (all timings in 60 Hz VBlank frames,
// so they stay constant in wall-clock time while the tick rate accelerates)
const int BARRIER_START_APPLES          = 3;   // Barriers only start appearing after eating a few apples
const int BARRIER_MULTI_SPAWN_APPLES_2  = 16;  // Apples required to spawn up to 2 barriers at once
const int BARRIER_MULTI_SPAWN_APPLES_3  = 30;  // Apples required to spawn up to 3 barriers at once
const int BARRIER_MAX_COUNT             = 4;   // Max simultaneous barriers (reached at SPEED_APPLES_CAP)
const int BARRIER_MIN_LENGTH         = 2;
const int BARRIER_BASE_MAX_LENGTH    = 4;   // Max length when barriers first appear
const int BARRIER_MAX_LENGTH         = 10;  // Max length later in the game (reached at SPEED_APPLES_CAP)
const int BARRIER_OAM_SLOTS          = BARRIER_MAX_COUNT * BARRIER_MAX_LENGTH; // Reserved OAM ids 0..39
const int BARRIER_WARN_FRAMES        = 120; // 2.0 s flashing announcement (harmless)
const int BARRIER_SOLIDIFY_FRAMES    = 20;  // Last part of warning: flickers to solid look
const int BARRIER_ACTIVE_FRAMES      = 240; // 4.0 s fatal phase
const int BARRIER_FADE_FRAMES        = 45;  // Last part of active phase: slow blink (still fatal)
const int BARRIER_FIRST_SPAWN_FRAMES = 180; // 3.0 s grace period after reaching BARRIER_START_APPLES
const int BARRIER_INTERVAL_MAX_FRAMES = 540; // 9.0 s between spawns at BARRIER_START_APPLES
const int BARRIER_INTERVAL_MIN_FRAMES = 120; // 2.0 s between spawns at SPEED_APPLES_CAP
const int BARRIER_INTERVAL_JITTER    = 60;  // Random 0..1 s extra delay
const int BARRIER_RETRY_FRAMES       = 30;  // Retry delay if no valid spot was found
const int BARRIER_HEAD_SAFE_DISTANCE = 5;   // Min wrapped Manhattan distance from the snake head

// Speed scaling configuration (gradual acceleration based on consumed apples)
const int SPEED_BASE_NORMAL_MHZ = 5000;  // 5.0 Hz (~200 ms per step)
const int SPEED_BASE_HARD_MHZ   = 5000;  // 5.0 Hz: hard mode starts as slow as normal mode
const int SPEED_MAX_NORMAL_MHZ  = 13000; // 13.0 Hz (~77 ms per step)
const int SPEED_MAX_HARD_MHZ    = 17000; // 17.0 Hz (~59 ms per step)
const int SPEED_APPLES_CAP      = 40;    // Apples consumed to reach max intensity & speed

// Screen size
const int X_MAX = 31;
const int Y_MAX = 23;

//*barf* Dont try this at home...

const char BITMAP_APPLE[] = {
        0,0,0,2,2,0,0,0,
        0,2,2,2,2,2,2,0,
        0,2,2,2,2,2,2,0,
        2,2,2,2,2,2,2,2,
        2,2,2,2,2,1,2,2,
        0,2,2,2,2,1,2,0,
        0,2,2,2,2,2,2,0,
        0,0,0,2,2,0,0,0
	};

const char BITMAP_HEAD_RIGHT[] = {
	0,3,3,3,3,3,3,0,
        3,4,4,4,4,4,4,3,
        3,4,7,4,7,4,4,3,
        3,4,4,4,4,7,4,3,
        3,4,4,4,4,7,4,3,
        3,4,7,4,7,4,4,3,
        3,4,4,4,4,4,4,3,
        0,3,3,3,3,3,3,0
	};

const char BITMAP_HEAD_UP[] = {
	0,3,3,3,3,3,3,0,
        3,4,4,4,4,4,4,3,
        3,4,4,7,7,4,4,3,
        3,4,7,4,4,7,4,3,
        3,4,4,4,4,4,4,3,
        3,4,7,4,4,7,4,3,
        3,4,4,4,4,4,4,3,
        0,3,3,3,3,3,3,0
	};

const char BITMAP_SEGMENT[] = {
	0,5,5,5,5,5,5,0,
        5,6,6,6,6,6,6,5,
        5,6,6,6,6,6,6,5,
        5,6,6,6,6,6,6,5,
        5,6,6,6,6,6,6,5,
        5,6,6,6,6,6,6,5,
        5,6,6,6,6,6,6,5,
        0,5,5,5,5,5,5,0
	};

#endif // CONSTS_H