'use strict';

// Cache for loaded templates
const templateCache = new Map();

/**
* Load a template from the templates directory
* @param {string} templateName - Name of the template file without extension
* @returns {Promise<string>} - Promise that resolves with the template HTML
*/
async function loadTemplate(templateName) {
  // Check if template is already in cache
  if (templateCache.has(templateName)) {
    return templateCache.get(templateName);
  }

  try {
    // Only append .html if the templateName doesn't already have an extension
    const hasExtension = templateName.includes('.');
    const templatePath = hasExtension ? `templates/${templateName}` : `templates/${templateName}.html`;

    const response = await fetch(templatePath);
    if (!response.ok) {
      throw new Error(`Failed to load template: ${templateName}`);
    }

    const templateHtml = await response.text();
    templateCache.set(templateName, templateHtml);
    return templateHtml;
  } catch (error) {
    console.error(`Error loading template ${templateName}:`, error);
    return '';
  }
}

/**
* Load all templates and insert them into the DOM
*/
export async function loadAllTemplates() {
  try {
    // Load SVG icons
    const iconsHtml = await loadTemplate('../assets/icons.svg');
    const iconsContainer = document.createElement('div');
    iconsContainer.innerHTML = iconsHtml;
    document.body.prepend(iconsContainer);

    // Load modals
    const faqModalHtml = await loadTemplate('faq-modal');
    const popupModalHtml = await loadTemplate('popup-modal');
    const finetuneModalHtml = await loadTemplate('finetune-modal');
    const calibCenterModalHtml = await loadTemplate('calib-center-modal');
    const welcomeModalHtml = await loadTemplate('welcome-modal');
    const calibrateModalHtml = await loadTemplate('calibrate-modal');
    const rangeModalHtml = await loadTemplate('range-modal');
    const edgeProgressModalHtml = await loadTemplate('edge-progress-modal');
    const edgeModalHtml = await loadTemplate('edge-modal');
    const donateModalHtml = await loadTemplate('donate-modal');

    // Create modals container
    const modalsContainer = document.createElement('div');
    modalsContainer.id = 'modals-container';
    modalsContainer.innerHTML = faqModalHtml + popupModalHtml + finetuneModalHtml + calibCenterModalHtml + welcomeModalHtml + calibrateModalHtml + rangeModalHtml + edgeProgressModalHtml + edgeModalHtml + donateModalHtml;
    document.body.appendChild(modalsContainer);

    console.log('All templates loaded successfully');
  } catch (error) {
    console.error('Error loading templates:', error);
  }
}