ondc-campaign-sdk/src/render.ts

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import { fetchLiveCampaignProducts } from "./api";

export type StyleConfig = Partial<{
  primary: string;
  primaryDark: string;
  accent: string;
  text: string;
  textLight: string;
  bgLight: string;
  white: string;
  shadow: string;
  borderRadius: string;
}>;

export async function fetchLiveCampaignProductsWithHtml(
  productCount: number = 10,
  style: StyleConfig = {}
): Promise<string> {
  const campaign = await fetchLiveCampaignProducts();

  const defaultStyle: Required<StyleConfig> = {
    primary: "#3d5af1",
    primaryDark: "#2a3eb1",
    accent: "#ff6b6b",
    text: "#333333",
    textLight: "#777777",
    bgLight: "#f8f9fa",
    white: "#ffffff",
    shadow: "0 10px 30px rgba(0,0,0,0.08)",
    borderRadius: "12px",
  };

  const mergedStyle = { ...defaultStyle, ...style };

  const productCards = campaign.products
    .slice(0, productCount)
    .map((product: any) => {
      const productUrl = product.url_key
        ? `https://smartsell.samhita.org/${product.url_key}`
        : `https://smartsell.samhita.org/${product.name
            .toLowerCase()
            .replace(/\s+/g, "-")}`;

      let discountBadge = "";
      if (
        product.on_sale &&
        product.prices?.regular?.price &&
        product.prices?.final?.price
      ) {
        const regularPrice = parseFloat(product.prices.regular.price);
        const finalPrice = parseFloat(product.prices.final.price);
        if (regularPrice > finalPrice) {
          const discountPercent = Math.round(
            (1 - finalPrice / regularPrice) * 100
          );
          discountBadge = `<div class="discount-badge">${discountPercent}% OFF</div>`;
        }
      }

      const newBadge = product.is_new
        ? '<div class="product-badge new">NEW</div>'
        : "";
      const featuredBadge = product.is_featured
        ? '<div class="product-badge featured">FEATURED</div>'
        : "";
      const saleBadge = product.on_sale
        ? '<div class="product-badge sale">SALE</div>'
        : "";

      const badges = newBadge || featuredBadge || saleBadge;

      return `
        <div class="product-card">
          ${badges}
          <div class="product-image-wrapper">
            <img src="${product.base_image.medium_image_url}" alt="${product.name}" />
          </div>
          <div class="product-info">
            <h3 class="product-name">${product.name}</h3>
            <div class="price-container">
              ${product.price_html}
              ${discountBadge}
            </div>
            <a class="view-button" href="${productUrl}" target="_blank">View Product</a>
          </div>
        </div>
      `;
    })
    .join("");

  return `
    <style>
      :root {
        --primary: ${mergedStyle.primary};
        --primary-dark: ${mergedStyle.primaryDark};
        --accent: ${mergedStyle.accent};
        --text: ${mergedStyle.text};
        --text-light: ${mergedStyle.textLight};
        --bg-light: ${mergedStyle.bgLight};
        --white: ${mergedStyle.white};
        --shadow: ${mergedStyle.shadow};
        --border-radius: ${mergedStyle.borderRadius};
      }

      .campaign-wrapper {
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        max-width: 1200px;
        margin: 0 auto;
        padding: 1.5rem;
        color: var(--text);
      }

      .campaign-banner {
        width: 100%;
        border-radius: var(--border-radius);
        margin-bottom: 1.5rem;
        box-shadow: var(--shadow);
      }
      
      .campaign-wrapper h2 {
        font-size: 2rem;
        margin-bottom: 0.5rem;
        color: var(--primary);
        font-weight: 700;
        text-align: center;
      }
      
      .campaign-wrapper p {
        font-size: 1.1rem;
        color: var(--text-light);
        margin-bottom: 2rem;
        text-align: center;
      }

      .product-grid {
        display: grid;
        gap: 2rem;
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      }

      .product-card {
        position: relative;
        background-color: var(--white);
        border-radius: var(--border-radius);
        overflow: hidden;
        box-shadow: var(--shadow);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
      }

      .product-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 15px 35px rgba(0,0,0,0.1);
      }
      
      .product-badge {
        position: absolute;
        top: 1rem;
        right: 1rem;
        z-index: 1;
        padding: 0.4rem 0.8rem;
        border-radius: 50px;
        font-size: 0.8rem;
        font-weight: 600;
        color: white;
      }
      
      .product-badge.sale {
        background-color: var(--accent);
      }
      
      .product-badge.new {
        background-color: var(--primary);
      }
      
      .product-badge.featured {
        background-color: #ffc107;
        color: #333;
      }

      .product-image-wrapper {
        position: relative;
        overflow: hidden;
        height: 220px;
      }

      .product-card img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
      }

      .product-card:hover img {
        transform: scale(1.05);
      }

      .product-info {
        padding: 1.5rem;
      }

      .product-name {
        font-size: 1.2rem;
        font-weight: 600;
        margin-bottom: 1rem;
        color: var(--text);
      }

      .price-container {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 0.5rem;
        margin-bottom: 1.5rem;
      }
      
      .price-container p {
        margin: 0;
      }
      
      .discount-badge {
        background-color: #e8f3ff;
        color: var(--primary);
        padding: 0.2rem 0.5rem;
        border-radius: 4px;
        font-size: 0.8rem;
        font-weight: 600;
      }

      .view-button {
        background: var(--primary);
        color: white;
        padding: 0.8rem 1.5rem;
        text-decoration: none;
        border-radius: 50px;
        font-weight: 600;
        text-align: center;
        transition: background 0.3s ease;
        display: block;
      }

      .view-button:hover {
        background: var(--primary-dark);
      }
      
      .font-medium {
        font-weight: 500;
      }
      
      .text-zinc-500 {
        color: var(--text-light);
      }
      
      .line-through {
        text-decoration: line-through;
      }
      
      .font-semibold {
        font-weight: 600;
        color: var(--primary);
        font-size: 1.2rem;
      }

      @media (max-width: 768px) {
        .campaign-wrapper h2 {
          font-size: 1.5rem;
        }
        
        .campaign-wrapper p {
          font-size: 1rem;
        }
      }

      @media (max-width: 576px) {
        .product-grid {
          grid-template-columns: 1fr;
        }
      }
    </style>

    <div class="campaign-wrapper">
      <img class="campaign-banner" src="${campaign.banner}" alt="${campaign.campaignName}" />
      <h2>${campaign.campaignName}</h2>
      <p>${campaign.description}</p>
      <div class="product-grid">
        ${productCards}
      </div>
    </div>
  `;
}

export async function renderLiveCampaignProducts(
  productCount: number = 10,
  style: StyleConfig = {}
): Promise<void> {
  const html = await fetchLiveCampaignProductsWithHtml(productCount, style);
  document.body.innerHTML = html;
}