#pragma once

#include <optional>
#include <functional>
#include <random>
#include <string>

struct SpawnPoint {
    float x = 0.0f;
    float y = 0.0f;
};

struct SpawnArea {
    float x = 0.0f;
    float y = 0.0f;
    float width = 0.0f;
    float height = 0.0f;
};

SpawnArea EffectiveSpawnArea(SpawnArea area);
SpawnArea ResolveSpawnArea(SpawnArea objectArea, float mapWidthPixels, float mapHeightPixels);
bool SpawnAreaContains(SpawnArea area, SpawnPoint point);
SpawnPoint ClampToSpawnArea(SpawnArea area, SpawnPoint point);
SpawnPoint ApplySpawnDrift(SpawnArea area, SpawnPoint position, SpawnPoint drift);
int MonsterSpawnCount(std::optional<int> count, std::optional<int> maxBeings);
float MonsterRespawnDelay(std::optional<float> configuredDelay);
float TickRespawnTimer(float currentTimer, float deltaSeconds);
bool RespawnTimerReady(float currentTimer);
double MonsterRespawnUntil(double nowSeconds, float respawnDelaySeconds);
float RemainingRespawnTime(double nowSeconds, double respawnUntilSeconds);
bool RespawnDue(double nowSeconds, double respawnUntilSeconds);
std::string FallbackMonsterNameForMap(const std::string& mapName);
int FallbackMonsterSpawnCount(const std::string& mapName);
bool ShouldAddFallbackMonsters(const std::string& mapName, bool sawMonsterSpawn);
unsigned int StableSpawnSeed(const std::string& mapName, const std::string& objectName, int objectId);
SpawnPoint RandomPointInSpawnArea(SpawnArea area, std::mt19937& rng);
std::optional<SpawnPoint> FindWalkableSpawnPoint(
    SpawnArea area,
    std::mt19937& rng,
    const std::function<bool(SpawnPoint)>& isWalkable,
    int randomAttempts = 24,
    float fallbackStep = 32.0f);