#include "QuickBuildComponent.h"
#include "Entity.h"
#include "DestroyableComponent.h"
#include "GameMessages.h"
#include "EntityManager.h"
#include "Game.h"
#include "Logger.h"
#include "CharacterComponent.h"
#include "MissionComponent.h"
#include "eMissionTaskType.h"
#include "eTriggerEventType.h"
#include "eQuickBuildFailReason.h"
#include "eTerminateType.h"
#include "eGameActivity.h"

#include "dServer.h"
#include "Spawner.h"
#include "MovingPlatformComponent.h"
#include "Preconditions.h"
#include "Loot.h"
#include "TeamManager.h"
#include "RenderComponent.h"

#include "CppScripts.h"

QuickBuildComponent::QuickBuildComponent(Entity* const entity) : Component{ entity } {
	std::u16string checkPreconditions = entity->GetVar<std::u16string>(u"CheckPrecondition");

	if (!checkPreconditions.empty()) {
		m_Precondition = new PreconditionExpression(GeneralUtils::UTF16ToWTF8(checkPreconditions));
	}

	// Should a setting that has the build activator position exist, fetch that setting here and parse it for position.
	// It is assumed that the user who sets this setting uses the correct character delimiter (character 31 or in hex 0x1F)
	auto positionAsVector = GeneralUtils::SplitString(m_Parent->GetVarAsString(u"rebuild_activators"), 0x1F);
	const auto activatorPositionValid = GeneralUtils::TryParse<NiPoint3>(positionAsVector);
	if (positionAsVector.size() == 3 && activatorPositionValid) {
		m_ActivatorPosition = activatorPositionValid.value();
	} else {
		Log::Info("Failed to find activator position for lot {}.  Defaulting to parent's position.", m_Parent->GetLOT());
		m_ActivatorPosition = m_Parent->GetPosition();
	}

	SpawnActivator();
}

QuickBuildComponent::~QuickBuildComponent() {
	delete m_Precondition;

	Entity* builder = GetBuilder();
	if (builder) {
		CancelQuickBuild(builder, eQuickBuildFailReason::BUILD_ENDED, true);
	}

	DespawnActivator();
}

void QuickBuildComponent::Serialize(RakNet::BitStream& outBitStream, bool bIsInitialUpdate) {
	if (m_Parent->GetComponent(eReplicaComponentType::DESTROYABLE) == nullptr) {
		if (bIsInitialUpdate) {
			outBitStream.Write(false);
		}

		outBitStream.Write(false);

		outBitStream.Write(false);
	}
	// If build state is completed and we've already serialized once in the completed state,
	// don't serializing this component anymore as this will cause the build to jump again.
	// If state changes, serialization will begin again.
	if (!m_StateDirty && m_State == eQuickBuildState::COMPLETED) {
		outBitStream.Write0();
		outBitStream.Write0();
		return;
	}
	// BEGIN Scripted Activity
	outBitStream.Write1();

	Entity* builder = GetBuilder();

	if (builder) {
		outBitStream.Write<uint32_t>(1);
		outBitStream.Write(builder->GetObjectID());

		for (int i = 0; i < 10; i++) {
			outBitStream.Write(0.0f);
		}
	} else {
		outBitStream.Write<uint32_t>(0);
	}
	// END Scripted Activity

	outBitStream.Write1();

	outBitStream.Write(m_State);

	outBitStream.Write(m_ShowResetEffect);
	outBitStream.Write(m_Activator != nullptr);

	outBitStream.Write(m_Timer);
	outBitStream.Write(m_TimerIncomplete);

	if (bIsInitialUpdate) {
		outBitStream.Write(false);
		outBitStream.Write(m_ActivatorPosition);
		outBitStream.Write(m_RepositionPlayer);
	}
	m_StateDirty = false;
}

void QuickBuildComponent::Update(float deltaTime) {
	m_Activator = GetActivator();

	// Serialize the quickbuild every so often, fixes the odd bug where the quickbuild is not buildable
	/*if (m_SoftTimer > 0.0f) {
		m_SoftTimer -= deltaTime;
	}
	else {
		m_SoftTimer = 5.0f;

		Game::entityManager->SerializeEntity(m_Parent);
	}*/

	switch (m_State) {
	case eQuickBuildState::OPEN: {
		SpawnActivator();
		m_TimeBeforeDrain = 0;

		auto* spawner = m_Parent->GetSpawner();
		const bool isSmashGroup = spawner != nullptr ? spawner->GetIsSpawnSmashGroup() : false;

		if (isSmashGroup) {
			m_TimerIncomplete += deltaTime;

			// For reset times < 0 this has to be handled manually
			if (m_TimeBeforeSmash > 0) {
				if (m_TimerIncomplete >= m_TimeBeforeSmash - 4.0f) {
					m_ShowResetEffect = true;

					Game::entityManager->SerializeEntity(m_Parent);
				}

				if (m_TimerIncomplete >= m_TimeBeforeSmash) {
					m_Builder = LWOOBJID_EMPTY;

					GameMessages::SendDieNoImplCode(m_Parent, LWOOBJID_EMPTY, LWOOBJID_EMPTY, eKillType::VIOLENT, u"", 0.0f, 0.0f, 0.0f, false, true);

					ResetQuickBuild(false);
				}
			}
		}

		break;
	}
	case eQuickBuildState::COMPLETED: {
		m_Timer += deltaTime;

		// For reset times < 0 this has to be handled manually
		if (m_ResetTime > 0) {
			if (m_Timer >= m_ResetTime - 4.0f) {
				if (!m_ShowResetEffect) {
					m_ShowResetEffect = true;

					Game::entityManager->SerializeEntity(m_Parent);
				}
			}

			if (m_Timer >= m_ResetTime) {

				GameMessages::SendDieNoImplCode(m_Parent, LWOOBJID_EMPTY, LWOOBJID_EMPTY, eKillType::VIOLENT, u"", 0.0f, 0.0f, 0.0f, false, true);

				ResetQuickBuild(false);
			}
		}
		break;
	}
	case eQuickBuildState::BUILDING:
	{
		Entity* builder = GetBuilder();

		if (!builder) {
			ResetQuickBuild(false);

			return;
		}

		m_TimeBeforeDrain -= deltaTime;
		m_Timer += deltaTime;
		m_TimerIncomplete = 0;
		m_ShowResetEffect = false;

		if (m_TimeBeforeDrain <= 0.0f) {
			m_TimeBeforeDrain = m_CompleteTime / static_cast<float>(m_TakeImagination);

			DestroyableComponent* destComp = builder->GetComponent<DestroyableComponent>();
			if (!destComp) break;

			++m_DrainedImagination;
			const int32_t imaginationCostRemaining = m_TakeImagination - m_DrainedImagination;

			const int32_t newImagination = destComp->GetImagination() - 1;
			destComp->SetImagination(newImagination);
			Game::entityManager->SerializeEntity(builder);

			if (newImagination <= 0 && imaginationCostRemaining > 0) {
				CancelQuickBuild(builder, eQuickBuildFailReason::OUT_OF_IMAGINATION, true);
				break;
			}
		}

		if (m_Timer >= m_CompleteTime && m_DrainedImagination >= m_TakeImagination) {
			CompleteQuickBuild(builder);
		}

		break;
	}
	case eQuickBuildState::INCOMPLETE: {
		m_TimerIncomplete += deltaTime;

		// For reset times < 0 this has to be handled manually
		if (m_TimeBeforeSmash > 0) {
			if (m_TimerIncomplete >= m_TimeBeforeSmash - 4.0f) {
				m_ShowResetEffect = true;

				Game::entityManager->SerializeEntity(m_Parent);
			}

			if (m_TimerIncomplete >= m_TimeBeforeSmash) {
				m_Builder = LWOOBJID_EMPTY;

				GameMessages::SendDieNoImplCode(m_Parent, LWOOBJID_EMPTY, LWOOBJID_EMPTY, eKillType::VIOLENT, u"", 0.0f, 0.0f, 0.0f, false, true);

				ResetQuickBuild(false);
			}
		}
		break;
	}
	case eQuickBuildState::RESETTING: break;
	}
}

void QuickBuildComponent::OnUse(Entity* originator) {
	if (GetBuilder() != nullptr || m_State == eQuickBuildState::COMPLETED) {
		return;
	}

	if (m_Precondition != nullptr && !m_Precondition->Check(originator)) {
		return;
	}

	StartQuickBuild(originator);
}

void QuickBuildComponent::SpawnActivator() {
	if (!m_SelfActivator || m_ActivatorPosition != NiPoint3Constant::ZERO) {
		if (!m_Activator) {
			EntityInfo info;

			info.lot = 6604;
			info.spawnerID = m_Parent->GetObjectID();
			info.pos = m_ActivatorPosition == NiPoint3Constant::ZERO ? m_Parent->GetPosition() : m_ActivatorPosition;

			m_Activator = Game::entityManager->CreateEntity(info, nullptr, m_Parent);
			if (m_Activator) {
				m_ActivatorId = m_Activator->GetObjectID();
				Game::entityManager->ConstructEntity(m_Activator);
			}

			Game::entityManager->SerializeEntity(m_Parent);
		}
	}
}

void QuickBuildComponent::DespawnActivator() {
	if (m_Activator) {
		Game::entityManager->DestructEntity(m_Activator);

		m_Activator->ScheduleKillAfterUpdate();

		m_Activator = nullptr;

		m_ActivatorId = LWOOBJID_EMPTY;
	}
}

Entity* QuickBuildComponent::GetActivator() const {
	return Game::entityManager->GetEntity(m_ActivatorId);
}

NiPoint3 QuickBuildComponent::GetActivatorPosition() const noexcept {
	return m_ActivatorPosition;
}

float QuickBuildComponent::GetResetTime() const noexcept {
	return m_ResetTime;
}

float QuickBuildComponent::GetCompleteTime() const noexcept {
	return m_CompleteTime;
}

int32_t QuickBuildComponent::GetTakeImagination() const noexcept {
	return m_TakeImagination;
}

bool QuickBuildComponent::GetInterruptible() const noexcept {
	return m_Interruptible;
}

bool QuickBuildComponent::GetSelfActivator() const noexcept {
	return m_SelfActivator;
}

std::vector<int32_t> QuickBuildComponent::GetCustomModules() const noexcept {
	return m_CustomModules;
}

int32_t QuickBuildComponent::GetActivityId() const noexcept {
	return m_ActivityId;
}

int32_t QuickBuildComponent::GetPostImaginationCost() const noexcept {
	return m_PostImaginationCost;
}

float QuickBuildComponent::GetTimeBeforeSmash() const noexcept {
	return m_TimeBeforeSmash;
}

eQuickBuildState QuickBuildComponent::GetState() const noexcept {
	return m_State;
}

Entity* QuickBuildComponent::GetBuilder() const {
	auto* const builder = Game::entityManager->GetEntity(m_Builder);

	return builder;
}

bool QuickBuildComponent::GetRepositionPlayer() const noexcept {
	return m_RepositionPlayer;
}

void QuickBuildComponent::SetActivatorPosition(const NiPoint3& value) noexcept {
	m_ActivatorPosition = value;
}

void QuickBuildComponent::SetResetTime(const float value) noexcept {
	m_ResetTime = value;
}

void QuickBuildComponent::SetCompleteTime(const float value) noexcept {
	if (value < 0) {
		m_CompleteTime = 4.5f;
	} else {
		m_CompleteTime = value;
	}
}

void QuickBuildComponent::SetTakeImagination(const int32_t value) noexcept {
	m_TakeImagination = value;
}

void QuickBuildComponent::SetInterruptible(const bool value) noexcept {
	m_Interruptible = value;
}

void QuickBuildComponent::SetSelfActivator(const bool value) noexcept {
	m_SelfActivator = value;
}

void QuickBuildComponent::SetCustomModules(const std::vector<int32_t>& value) noexcept {
	m_CustomModules = value;
}

void QuickBuildComponent::SetActivityId(const int32_t value) noexcept {
	m_ActivityId = value;
}

void QuickBuildComponent::SetPostImaginationCost(const int32_t value) noexcept {
	m_PostImaginationCost = value;
}

void QuickBuildComponent::SetTimeBeforeSmash(const float value) noexcept {
	if (value < 0) {
		m_TimeBeforeSmash = 10.0f;
	} else {
		m_TimeBeforeSmash = value;
	}
}

void QuickBuildComponent::SetRepositionPlayer(const bool value) noexcept {
	m_RepositionPlayer = value;
}

void QuickBuildComponent::StartQuickBuild(Entity* const user) {
	if (m_State == eQuickBuildState::OPEN || m_State == eQuickBuildState::COMPLETED || m_State == eQuickBuildState::INCOMPLETE) {
		m_Builder = user->GetObjectID();

		auto* character = user->GetComponent<CharacterComponent>();
		character->SetCurrentActivity(eGameActivity::QUICKBUILDING);

		Game::entityManager->SerializeEntity(user);

		GameMessages::SendQuickBuildNotifyState(m_Parent, m_State, eQuickBuildState::BUILDING, user->GetObjectID());
		GameMessages::SendEnableQuickBuild(m_Parent, true, false, false, eQuickBuildFailReason::NOT_GIVEN, 0.0f, user->GetObjectID());

		m_State = eQuickBuildState::BUILDING;
		m_StateDirty = true;
		Game::entityManager->SerializeEntity(m_Parent);

		auto* movingPlatform = m_Parent->GetComponent<MovingPlatformComponent>();
		if (movingPlatform != nullptr) {
			movingPlatform->OnQuickBuildInitilized();
		}

		auto* script = m_Parent->GetScript();
		script->OnQuickBuildStart(m_Parent, user);

		// Notify scripts and possible subscribers
		script->OnQuickBuildNotifyState(m_Parent, m_State);
		for (const auto& cb : m_QuickBuildStateCallbacks)
			cb(m_State);
	}
}

void QuickBuildComponent::CompleteQuickBuild(Entity* const user) {
	if (!user) return;

	auto* characterComponent = user->GetComponent<CharacterComponent>();
	if (characterComponent != nullptr) {
		characterComponent->SetCurrentActivity(eGameActivity::NONE);
		characterComponent->TrackQuickBuildComplete();
	} else {
		Log::Warn("Some user tried to finish the rebuild but they didn't have a character somehow.");
		return;
	}

	Game::entityManager->SerializeEntity(user);

	GameMessages::SendQuickBuildNotifyState(m_Parent, m_State, eQuickBuildState::COMPLETED, user->GetObjectID());
	GameMessages::SendPlayFXEffect(m_Parent, 507, u"create", "BrickFadeUpVisCompleteEffect", LWOOBJID_EMPTY, 0.4f, 1.0f, true);
	GameMessages::SendEnableQuickBuild(m_Parent, false, false, true, eQuickBuildFailReason::NOT_GIVEN, m_ResetTime, user->GetObjectID());
	GameMessages::SendTerminateInteraction(user->GetObjectID(), eTerminateType::FROM_INTERACTION, m_Parent->GetObjectID());


	m_State = eQuickBuildState::COMPLETED;
	m_StateDirty = true;
	m_Timer = 0.0f;
	m_DrainedImagination = 0;

	Game::entityManager->SerializeEntity(m_Parent);

	// Removes extra item requirements, isn't live accurate.
	// In live, all items were removed at the start of the quickbuild, then returned if it was cancelled.
	// TODO: fix?
	if (m_Precondition != nullptr) {
		m_Precondition->Check(user, true);
	}

	DespawnActivator();

	// Set owner override so that entities smashed by this quickbuild will result in the builder getting rewards.
	m_Parent->SetOwnerOverride(user->GetObjectID());

	auto* builder = GetBuilder();

	if (builder) {
		auto* team = TeamManager::Instance()->GetTeam(builder->GetObjectID());
		if (team) {
			for (const auto memberId : team->members) { // progress missions for all team members
				auto* member = Game::entityManager->GetEntity(memberId);
				if (member) {
					auto* missionComponent = member->GetComponent<MissionComponent>();
					if (missionComponent) missionComponent->Progress(eMissionTaskType::ACTIVITY, m_ActivityId);
				}
			}
		} else {
			auto* missionComponent = builder->GetComponent<MissionComponent>();
			if (missionComponent) missionComponent->Progress(eMissionTaskType::ACTIVITY, m_ActivityId);
		}
		Loot::DropActivityLoot(builder, m_Parent, m_ActivityId, 1);
	}

	// Notify scripts
	auto* script = m_Parent->GetScript();
	script->OnQuickBuildComplete(m_Parent, user);
	script->OnQuickBuildNotifyState(m_Parent, m_State);

	// Notify subscribers
	for (const auto& callback : m_QuickBuildStateCallbacks)
		callback(m_State);
	for (const auto& callback : m_QuickBuildCompleteCallbacks)
		callback(user);

	m_Parent->TriggerEvent(eTriggerEventType::REBUILD_COMPLETE, user);

	auto* movingPlatform = m_Parent->GetComponent<MovingPlatformComponent>();
	if (movingPlatform != nullptr) {
		movingPlatform->OnCompleteQuickBuild();
	}

	// Set flag
	auto* character = user->GetCharacter();

	if (character != nullptr) {
		const auto flagNumber = m_Parent->GetVar<int32_t>(u"quickbuild_single_build_player_flag");

		if (flagNumber != 0) {
			character->SetPlayerFlag(flagNumber, true);
		}
	}
	RenderComponent::PlayAnimation(user, u"rebuild-celebrate", 1.09f);
}

void QuickBuildComponent::ResetQuickBuild(const bool failed) {
	Entity* builder = GetBuilder();

	if (m_State == eQuickBuildState::BUILDING && builder) {
		GameMessages::SendEnableQuickBuild(m_Parent, false, false, failed, eQuickBuildFailReason::NOT_GIVEN, m_ResetTime, builder->GetObjectID());

		if (failed) {
			RenderComponent::PlayAnimation(builder, u"rebuild-fail");
		}
	}

	GameMessages::SendQuickBuildNotifyState(m_Parent, m_State, eQuickBuildState::RESETTING, LWOOBJID_EMPTY);

	m_State = eQuickBuildState::RESETTING;
	m_StateDirty = true;
	m_Timer = 0.0f;
	m_TimerIncomplete = 0.0f;
	m_ShowResetEffect = false;
	m_DrainedImagination = 0;

	Game::entityManager->SerializeEntity(m_Parent);

	// Notify scripts and possible subscribers
	m_Parent->GetScript()->OnQuickBuildNotifyState(m_Parent, m_State);
	for (const auto& cb : m_QuickBuildStateCallbacks)
		cb(m_State);

	m_Parent->ScheduleKillAfterUpdate();

	if (m_Activator) {
		m_Activator->ScheduleKillAfterUpdate();
	}
}

void QuickBuildComponent::CancelQuickBuild(Entity* const entity, const eQuickBuildFailReason failReason, const bool skipChecks) {
	if (m_State != eQuickBuildState::COMPLETED || skipChecks) {

		m_Builder = LWOOBJID_EMPTY;

		const auto entityID = entity != nullptr ? entity->GetObjectID() : LWOOBJID_EMPTY;

		// Notify the client that a state has changed
		GameMessages::SendQuickBuildNotifyState(m_Parent, m_State, eQuickBuildState::INCOMPLETE, entityID);
		GameMessages::SendEnableQuickBuild(m_Parent, false, true, false, failReason, m_Timer, entityID);

		// Now terminate any interaction with the rebuild
		GameMessages::SendTerminateInteraction(entityID, eTerminateType::FROM_INTERACTION, m_Parent->GetObjectID());
		GameMessages::SendTerminateInteraction(m_Parent->GetObjectID(), eTerminateType::FROM_INTERACTION, m_Parent->GetObjectID());

		// Now update the component itself
		m_State = eQuickBuildState::INCOMPLETE;
		m_StateDirty = true;

		// Notify scripts and possible subscribers
		m_Parent->GetScript()->OnQuickBuildNotifyState(m_Parent, m_State);
		for (const auto& cb : m_QuickBuildStateCallbacks)
			cb(m_State);

		Game::entityManager->SerializeEntity(m_Parent);
	}

	if (!entity) return;

	CharacterComponent* characterComponent = entity->GetComponent<CharacterComponent>();
	if (characterComponent) {
		characterComponent->SetCurrentActivity(eGameActivity::NONE);
		Game::entityManager->SerializeEntity(entity);
	}
}

void QuickBuildComponent::AddQuickBuildCompleteCallback(const std::function<void(Entity* user)>& callback) {
	m_QuickBuildCompleteCallbacks.push_back(callback);
}

void QuickBuildComponent::AddQuickBuildStateCallback(const std::function<void(eQuickBuildState state)>& callback) {
	m_QuickBuildStateCallbacks.push_back(callback);
}