//
// Created by sebastian on 08.02.26.
//

#include "BuildingPlacementSystem.h"

#include "../../RessourceType.h"
#include "../../../../engine/core/Application.h"
#include "../../../../engine/core/ECS/ModelComponent.h"
#include "../../../../engine/core/ECS/TileRenderComponent.h"
#include "../../../../engine/core/ECS/TransformComponent.h"
#include "../../../../engine/platform/glfw/InputManager.h"
#include "../../../../engine/renderer/loader/AssetManager.h"
#include "../../building/BuildingConfig.h"
#include "../../building/BuildingFactory.h"
#include "../../building/BuildingRules.h"
#include "../../gameplay/TurnState.h"
#include "../components/BuildingComponent.h"
#include "../components/TileGameplayComponent.h"
#include "GLFW/glfw3.h"

void BuildingPlacementSystem::update(EntityManager& entityManager, GameMode& gameMode, PlayerID player, const  TurnState& turnState) {
    if (!gameMode.hasTurn(player, turnState.currentTurn)) {
        return;
    }

    if (!InputManager::isMouseButtonPressed(GLFW_MOUSE_BUTTON_LEFT)) {
        return;
    }

    for (EntityID entityID : entityManager.getAllEntities()) {
        auto transform = entityManager.getComponent<TransformComponent>(entityID);
        auto gameplay = entityManager.getComponent<TileGameplayComponent>(entityID);
        auto render = entityManager.getComponent<TileRenderComponent>(entityID);

        if (!transform || !gameplay || !render) continue;
        if (!render->isHighlighted) continue;

        BuildingDefinition def;
        if (gameMode.getActiveBuilding() == BuildingType::FOREST_HUT) {
            def = BuildingConfig::get(BuildingType::FOREST_HUT);
        } else if (gameMode.getActiveBuilding() == BuildingType::STONE_MASON) {
            def = BuildingConfig::get(BuildingType::STONE_MASON);
        } else {
            continue;
        }

        if (!BuildingRules::canPlace(def, *gameplay, gameMode, player)) continue;

        gameMode.pay(player, def.resourceCosts);

        for (auto e : gameplay->entitiesOnTile) {
            entityManager.destroyEntity(e);
        }
        gameplay->entitiesOnTile.clear();

        const EntityID buildingEntity = BuildingFactory::create(entityManager, def, *transform, entityID, player);
        gameplay->buildingEntityID = buildingEntity;
        break;
    }
};