Add PayloadCMS type definitions, Prettier config, and PNPM lockfile

src/index.ts

@@ -0,0 +1,132 @@
+import type { Config } from 'payload'
+
+import type { BillingPluginConfig } from './types'
+
+import { createCustomersCollection } from './collections/customers'
+import { createInvoicesCollection } from './collections/invoices'
+import { createPaymentsCollection } from './collections/payments'
+import { createRefundsCollection } from './collections/refunds'
+import { providerRegistry } from './providers/base/provider'
+import { TestPaymentProvider } from './providers/test/provider'
+
+export * from './providers/base/provider'
+export * from './providers/test/provider'
+export * from './types'
+
+export const billingPlugin = (pluginConfig: BillingPluginConfig = {}) => (config: Config): Config => {
+  if (pluginConfig.disabled) {
+    return config
+  }
+
+  // Initialize collections
+  if (!config.collections) {
+    config.collections = []
+  }
+
+  config.collections.push(
+    createPaymentsCollection(pluginConfig.collections?.payments || 'payments'),
+    createCustomersCollection(pluginConfig.collections?.customers || 'customers'),
+    createInvoicesCollection(pluginConfig.collections?.invoices || 'invoices'),
+    createRefundsCollection(pluginConfig.collections?.refunds || 'refunds'),
+  )
+
+  // Initialize endpoints
+  if (!config.endpoints) {
+    config.endpoints = []
+  }
+
+  config.endpoints?.push(
+    // Webhook endpoints
+    {
+      handler: async (req) => {
+        try {
+          const provider = providerRegistry.get(req.routeParams?.provider as string)
+          if (!provider) {
+            return Response.json({ error: 'Provider not found' }, { status: 404 })
+          }
+
+          const signature = req.headers.get('stripe-signature') || 
+                          req.headers.get('x-mollie-signature')
+
+          const event = await provider.handleWebhook(req as unknown as Request, signature || '')
+          
+          // TODO: Process webhook event and update database
+          
+          return Response.json({ eventId: event.id, received: true })
+        } catch (error) {
+          console.error('[BILLING] Webhook error:', error)
+          return Response.json({ error: 'Webhook processing failed' }, { status: 400 })
+        }
+      },
+      method: 'post',
+      path: '/billing/webhooks/:provider'
+    },
+    // Health check endpoint
+    {
+      handler: async () => {
+        const providers = providerRegistry.getAll().map(p => ({
+          name: p.name,
+          status: 'active'
+        }))
+        
+        return Response.json({
+          providers,
+          status: 'ok',
+          version: '0.1.0'
+        })
+      },
+      method: 'get',
+      path: '/billing/health'
+    }
+  )
+
+  // Initialize providers and onInit hook
+  const incomingOnInit = config.onInit
+
+  config.onInit = async (payload) => {
+    // Execute any existing onInit functions first
+    if (incomingOnInit) {
+      await incomingOnInit(payload)
+    }
+
+    // Initialize payment providers
+    initializeProviders(pluginConfig)
+    
+    // Log initialization
+    console.log('[BILLING] Plugin initialized with providers:', 
+      providerRegistry.getAll().map(p => p.name).join(', ')
+    )
+  }
+
+  return config
+}
+
+function initializeProviders(config: BillingPluginConfig) {
+  // Initialize test provider if enabled
+  if (config.providers?.test?.enabled) {
+    const testProvider = new TestPaymentProvider(config.providers.test)
+    providerRegistry.register(testProvider)
+  }
+
+  // TODO: Initialize Stripe provider
+  // TODO: Initialize Mollie provider
+}
+
+// Utility function to get payment provider
+export function getPaymentProvider(name: string) {
+  const provider = providerRegistry.get(name)
+  if (!provider) {
+    throw new Error(`Payment provider '${name}' not found`)
+  }
+  return provider
+}
+
+// Utility function to list available providers
+export function getAvailableProviders() {
+  return providerRegistry.getAll().map(p => ({
+    name: p.name,
+    // Add provider-specific info here
+  }))
+}
+
+export default billingPlugin