/**
 * SENIOR ARCHITECT SYSTEM: Mega-Capitalist 3D Core
 * Architecture: Entity-Component System (ECS)
 * Implementation: PlayCanvas Framework
 */

const gameServerURL = "https://your-hostinger-subdomain.com/api"; // backend link

var GameManager = pc.createScript('gameManager');

// Attributes define editable properties in a PlayCanvas scene
GameManager.attributes.add('cameraEntity', { type: 'entity', title: 'Main Camera' });
GameManager.attributes.add('lightEntity', { type: 'entity', title: 'Sun Light' });
GameManager.attributes.add('uiEntity', { type: 'entity', title: 'UI Overlay' });

GameManager.prototype.initialize = function() {
    // 1. Scene Initialization
    this.app.scene.skyboxMip = 2; // High-quality skybox

    // 2. Viewport Setup (Performance Tip: Avoid complex shaders on mobile)
    this.app.graphicsDevice.setDepthWrite(true);
    
    // 3. Game State & Economy
    this.empireData = {
        credits: 1000,
        shipCount: 1,
        miningStations: 0
    };

    // 4. System Initialization (Modules)
    this.initializeEconomy();
    this.initializeFleet();
    this.initializeUI();

    // 5. Connect to Backend Server
    this.connectToServer();
};

GameManager.prototype.update = function(dt) {
    // High-level updates every frame (avoid heavy logic here for performance)
    this.updateEconomy(dt);
};

// ==========================================
// Economy Module
// ==========================================
GameManager.prototype.initializeEconomy = function() {
    this.creditsPerSecond = 10;
    this.lastCreditUpdate = 0;
};

GameManager.prototype.updateEconomy = function(dt) {
    this.lastCreditUpdate += dt;
    if(this.lastCreditUpdate > 1.0) { // Update every second
        this.empireData.credits += (this.empireData.miningStations * this.creditsPerSecond);
        this.lastCreditUpdate = 0;
        this.updateScoreboardUI();
    }
};

// ==========================================
// Fleet Management Module
// ==========================================
GameManager.prototype.initializeFleet = function() {
    this.fleetList = [];
    this.maxShips = 50; // Memory limit

    // Pool ship entities
    for(let i=0; i < this.maxShips; i++) {
        // Here we would create or clone a new entity with a ship model
    }
};

GameManager.prototype.addShip = function() {
    // Architect Tip: Check performance limits before adding
    if(this.fleetList.length < this.maxShips) {
        // Add ship logic (activate from pool)
        this.empireData.shipCount++;
        // Trigger server update
    }
};

// ==========================================
// UI/Backend Module
// ==========================================
GameManager.prototype.initializeUI = function() {
    // Link PlayCanvas entities to screen elements
    this.scoreText = this.uiEntity.element.findByName('ScoreText');
    this.updateScoreboardUI();
};

GameManager.prototype.updateScoreboardUI = function() {
    if(this.scoreText) {
        this.scoreText.element.text = `CREDITS: ${this.empireData.credits}`;
    }
};

GameManager.prototype.connectToServer = function() {
    // Fetch viewer contributions/empire status
    fetch(gameServerURL + '/empire')
        .then(response => response.json())
        .then(data => {
            console.log('Empire Status Loaded:', data);
            this.empireData = data;
        })
        .catch(error => console.error('Server error:', error));
};