{
  "version": 3,
  "sources": ["../../assets/js/express-checkout.js"],
  "sourcesContent": ["/**\n * Express Checkout Element integration for Apple Pay / Google Pay.\n *\n * Reads configuration from the mount element's data attributes:\n *   data-mode        \"buynow\" | \"cart\"\n *   data-copy-id     BookCopy PK (buynow only)\n *   data-amount      Total in penny units (initial estimate)\n *   data-shipping-url  POST endpoint for shipping rates\n *   data-buynow-url    POST endpoint for creating intent (buynow)\n *   data-intent-url    POST endpoint for creating intent (cart)\n *   data-complete-url  Redirect after success\n */\nconst el = document.getElementById('express-checkout-element');\nif (el) {\n  const stripePublicKey = el.dataset.stripeKey;\n  if (stripePublicKey) {\n    const mode = el.dataset.mode;\n    const copyId = el.dataset.copyId || null;\n    const productType = el.dataset.productType || 'book';\n    const amount = parseInt(el.dataset.amount, 10) || 0;\n    const shippingUrl = el.dataset.shippingUrl;\n    const intentUrl = el.dataset.intentUrl;\n    const completeUrl = el.dataset.completeUrl;\n    let allowedCountries = [];\n    try { allowedCountries = JSON.parse(el.dataset.allowedCountries || '[]'); } catch (e) { /* ignore */ }\n\n    const stripe = Stripe(stripePublicKey);\n\n    const elements = stripe.elements({\n      mode: 'payment',\n      amount: amount,\n      currency: 'gbp',\n    });\n\n    const expressCheckoutElement = elements.create('expressCheckout', {\n      buttonType: {\n        applePay: 'buy',\n        googlePay: 'buy',\n      },\n    });\n\n    expressCheckoutElement.mount('#express-checkout-element');\n\n    // Show container only when express payment methods are available\n    expressCheckoutElement.on('ready', (event) => {\n      const methods = event.availablePaymentMethods;\n      if (methods && (methods.applePay || methods.googlePay)) {\n        el.style.display = 'block';\n        const divider = document.querySelector('.express-checkout-divider');\n        if (divider) divider.style.display = 'flex';\n      }\n    });\n\n    // Track selected shipping rate and current total\n    let currentShippingAmount = 0;\n\n    // Helper: get CSRF token from page\n    const getCsrfToken = () => {\n      const meta = document.querySelector('[name=csrfmiddlewaretoken]');\n      if (meta) return meta.value;\n      const cookie = document.cookie.match(/csrftoken=([^;]+)/);\n      return cookie ? cookie[1] : '';\n    };\n\n    // Helper: POST JSON and return parsed response\n    const postJSON = async (url, data) => {\n      const res = await fetch(url, {\n        method: 'POST',\n        headers: {\n          'Content-Type': 'application/json',\n          'X-CSRFToken': getCsrfToken(),\n        },\n        body: JSON.stringify(data),\n      });\n      return res.json();\n    };\n\n    // Fetch shipping rates from server\n    const fetchShippingRates = (address) =>\n      postJSON(shippingUrl, {\n        country: address.country,\n        postcode: address.postal_code || '',\n        mode: mode,\n        copy_id: copyId,\n        product_type: productType,\n      });\n\n    // Handle the click event \u2014 open the payment sheet\n    expressCheckoutElement.on('click', (event) => {\n      const options = {\n        shippingAddressRequired: true,\n        emailRequired: true,\n        phoneNumberRequired: false,\n      };\n      if (allowedCountries.length > 0) {\n        options.allowedShippingCountries = allowedCountries;\n      }\n      event.resolve(options);\n    });\n\n    // Handle shipping address changes\n    expressCheckoutElement.on('shippingaddresschange', async (event) => {\n      try {\n        const data = await fetchShippingRates(event.address);\n\n        if (!data.success || !data.rates || data.rates.length === 0) {\n          event.reject();\n          return;\n        }\n\n        const shippingRates = data.rates.map((r) => ({\n          id: String(r.id),\n          displayName: r.displayName,\n          amount: r.amount,\n        }));\n\n        currentShippingAmount = shippingRates[0].amount;\n        const newTotal = amount + currentShippingAmount;\n\n        elements.update({ amount: newTotal });\n        event.resolve({ shippingRates });\n      } catch {\n        event.reject();\n      }\n    });\n\n    // Handle shipping rate changes\n    expressCheckoutElement.on('shippingratechange', (event) => {\n      currentShippingAmount = event.shippingRate.amount;\n      const newTotal = amount + currentShippingAmount;\n      elements.update({ amount: newTotal });\n      event.resolve();\n    });\n\n    // Handle payment confirmation\n    expressCheckoutElement.on('confirm', async (event) => {\n      const billingDetails = event.billingDetails || {};\n      const shippingAddress = event.shippingAddress || {};\n      const shippingRate = event.shippingRate || {};\n\n      // Build address from Express Checkout Element data\n      // The Express Checkout Element nests street fields under shippingAddress.address\n      const addr = shippingAddress.address || {};\n\n      const payload = {\n        mode: mode,\n        copy_id: copyId,\n        product_type: productType,\n        shipping_rate_id: shippingRate.id || null,\n        email: billingDetails.email || '',\n        shipping_address: {\n          name: shippingAddress.name || billingDetails.name || '',\n          address: [addr.line1, addr.line2].filter(Boolean).join(', '),\n          city: addr.city || '',\n          postcode: addr.postal_code || '',\n          country: addr.country || 'GB',\n          phone: billingDetails.phone || '',\n        },\n      };\n\n      try {\n        const data = await postJSON(intentUrl, payload);\n        if (data.error) {\n          alert(data.error);\n          return;\n        }\n\n        const result = await stripe.confirmPayment({\n          elements: elements,\n          clientSecret: data.client_secret,\n          confirmParams: {\n            return_url: window.location.origin + completeUrl + '?order_id=' + data.order_id,\n          },\n        });\n\n        if (result.error) {\n          alert(result.error.message || 'Payment failed. Please try again.');\n        }\n        // If no error, the browser redirects to return_url\n      } catch {\n        alert('Something went wrong. Please try again.');\n      }\n    });\n  }\n}\n"],
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  "names": ["el", "stripePublicKey", "mode", "copyId", "productType", "amount", "shippingUrl", "intentUrl", "completeUrl", "allowedCountries", "stripe", "elements", "expressCheckoutElement", "event", "methods", "divider", "currentShippingAmount", "getCsrfToken", "meta", "cookie", "postJSON", "url", "data", "fetchShippingRates", "address", "options", "shippingRates", "r", "newTotal", "billingDetails", "shippingAddress", "shippingRate", "addr", "payload", "result"]
}