#include "HydraLightSpawnerActor.h"
#include "../../ecs/components/HydraPositionComponent.h"
#include "../../ecs/components/HydraTickComponent.h"
#include "../../ecs/HydraECS.h"
#include "../../engine/HydraEngine.h"
#include "../../actor/HydraActorManager.h"
#include "HydraSpawnedLightActor.h"


void HydraLightSpawnerActor::FixedTick(float delta_t)
{
    if(m_enabled)
    {
        std::chrono::time_point<std::chrono::steady_clock> current_tick = std::chrono::steady_clock::now();        
        auto elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(current_tick - m_last_tick);
        long elapsed_milli_seconds = elapsed.count();
        if(elapsed_milli_seconds >= (m_interval * 1000.0f))
        {
            HydraEngine* engine = GetEngine();
            
            HydraPositionComponent pos_comp =engine->ECS()->GetComponent<HydraPositionComponent>(GetID());
            HydraActorManager* actor_manager = engine->ActorManager();
            HydraID actor_id = actor_manager->CreateActor<HydraSpawnedLightActor>();            
            actor_manager->InitialiseActor(actor_id);            
            actor_manager->SetPosition(actor_id, pos_comp.position);            
            actor_manager->SetLinearVelocity(actor_id, m_spawn_direction * m_spawn_velocity);    
            SpawnedActor actor = {};
            actor.actor_id = actor_id;
            actor.spawned_time = current_tick;
            m_spawned_actors.push(actor);
            m_last_tick = current_tick;  
                             
        }
        if(m_spawned_actors.size() > 0)
        {
            SpawnedActor actor = m_spawned_actors.front();
            long actor_spawned_time_ms = std::chrono::duration_cast<std::chrono::milliseconds>(current_tick - actor.spawned_time).count();
            if(actor_spawned_time_ms > (m_spawn_duration * 1000.0f ))
            {
                GetEngine()->ActorManager()->DeleteActor(actor.actor_id);
                m_spawned_actors.pop();
            }
        }
    }


}

void HydraLightSpawnerActor::_CreatePosition()
{
    HydraECS *ecs = GetEngine()->ECS();
	HydraPositionComponent position_component;
	ecs->AddComponent<HydraPositionComponent>(GetID(), position_component);
}

void HydraLightSpawnerActor::_CreateTick()
{
    HydraECS *ecs = GetEngine()->ECS();
	HydraTickComponent tick_component;
    tick_component.entity_id = GetID();
    tick_component.fixed = true;
	ecs->AddComponent<HydraTickComponent>(GetID(), tick_component);
}
void HydraLightSpawnerActor::InitialiseComponents()
{
    _CreatePosition();
    _CreateTick();
}

void HydraLightSpawnerActor::SetEnabled(bool enabled)
{
    m_enabled = enabled;
    if(enabled == true)
    { 
        m_last_tick = std::chrono::steady_clock::now();
        
    }
}

void HydraLightSpawnerActor::SpawnSettings(float spawns_per_second, 
                            glm::vec3 spawn_direction, 
                            glm::vec3 dir_variation, 
                            float spawn_velocity, 
                            float velocity_variation,
                            float spawn_duration)
{
    m_spawns_per_second = spawns_per_second;
    m_spawn_direction = spawn_direction;
    m_dir_variation = dir_variation;    
    m_spawn_velocity = spawn_velocity;
    m_velocity_variation = velocity_variation;
    m_spawn_duration = spawn_duration;
    m_interval = 1.0f / spawns_per_second;
}