fix: add preview page

apps/remix/app/components/general/envelope-editor/envelope-editor-preview-page.tsx

@@ -1,10 +1,20 @@
-import { lazy, useEffect, useState } from 'react';
+import { lazy, useEffect, useMemo, useState } from 'react';
 
+import { faker } from '@faker-js/faker/locale/en';
 import { Trans } from '@lingui/react/macro';
-import { ConstructionIcon, FileTextIcon } from 'lucide-react';
+import { FieldType } from '@prisma/client';
+import { FileTextIcon } from 'lucide-react';
+import { match } from 'ts-pattern';
 
 import { useCurrentEnvelopeEditor } from '@documenso/lib/client-only/providers/envelope-editor-provider';
-import { useCurrentEnvelopeRender } from '@documenso/lib/client-only/providers/envelope-render-provider';
+import {
+  EnvelopeRenderProvider,
+  useCurrentEnvelopeRender,
+} from '@documenso/lib/client-only/providers/envelope-render-provider';
+import { ZFieldAndMetaSchema } from '@documenso/lib/types/field-meta';
+import { extractFieldInsertionValues } from '@documenso/lib/utils/envelope-signing';
+import { toCheckboxCustomText } from '@documenso/lib/utils/fields';
+import { extractInitials } from '@documenso/lib/utils/recipient-formatter';
 import { AnimateGenericFadeInOut } from '@documenso/ui/components/animate/animate-generic-fade-in-out';
 import PDFViewerKonvaLazy from '@documenso/ui/components/pdf-viewer/pdf-viewer-konva-lazy';
 import { Alert, AlertDescription, AlertTitle } from '@documenso/ui/primitives/alert';
@@ -15,15 +25,169 @@ import { EnvelopeRendererFileSelector } from './envelope-file-selector';
 
 const EnvelopeGenericPageRenderer = lazy(async () => import('./envelope-generic-page-renderer'));
 
+// Todo: Envelopes - Dynamically import faker
 export const EnvelopeEditorPreviewPage = () => {
   const { envelope, editorFields } = useCurrentEnvelopeEditor();
 
-  const { currentEnvelopeItem } = useCurrentEnvelopeRender();
+  const { currentEnvelopeItem, fields } = useCurrentEnvelopeRender();
 
   const [selectedPreviewMode, setSelectedPreviewMode] = useState<'recipient' | 'signed'>(
     'recipient',
   );
 
+  const fieldsWithPlaceholders = useMemo(() => {
+    return fields.map((field) => {
+      const fieldMeta = ZFieldAndMetaSchema.parse(field);
+
+      const recipient = envelope.recipients.find((recipient) => recipient.id === field.recipientId);
+
+      if (!recipient) {
+        throw new Error('Recipient not found');
+      }
+
+      faker.seed(recipient.id);
+
+      const recipientName = recipient.name || faker.person.fullName();
+      const recipientEmail = recipient.email || faker.internet.email();
+
+      faker.seed(recipient.id + field.id);
+
+      return {
+        ...field,
+        inserted: true,
+        ...match(fieldMeta)
+          .with({ type: FieldType.TEXT }, ({ fieldMeta }) => {
+            let text = fieldMeta?.text || faker.lorem.words(5);
+
+            if (fieldMeta?.characterLimit) {
+              text = text.slice(0, fieldMeta?.characterLimit);
+            }
+
+            return {
+              customText: text,
+            };
+          })
+          .with({ type: FieldType.NUMBER }, ({ fieldMeta }) => {
+            let number = fieldMeta?.value ?? '';
+
+            if (number === '') {
+              number = faker.number
+                .int({
+                  min: fieldMeta?.minValue ?? 0,
+                  max: fieldMeta?.maxValue ?? 1000,
+                })
+                .toString();
+            }
+
+            return {
+              customText: number,
+            };
+          })
+          .with({ type: FieldType.DATE }, () => {
+            const date = extractFieldInsertionValues({
+              fieldValue: {
+                type: FieldType.DATE,
+                value: true,
+              },
+              field,
+              documentMeta: envelope.documentMeta,
+            });
+
+            return {
+              customText: date.customText,
+            };
+          })
+          .with({ type: FieldType.EMAIL }, () => {
+            return {
+              customText: recipientEmail,
+            };
+          })
+          .with({ type: FieldType.NAME }, () => {
+            return {
+              customText: recipientName,
+            };
+          })
+          .with({ type: FieldType.INITIALS }, () => {
+            return {
+              customText: extractInitials(recipientName),
+            };
+          })
+          .with({ type: FieldType.RADIO }, ({ fieldMeta }) => {
+            const values = fieldMeta?.values ?? [];
+
+            if (values.length === 0) {
+              return '';
+            }
+
+            let customText = '';
+
+            const preselectedValue = values.findIndex((value) => value.checked);
+
+            if (preselectedValue !== -1) {
+              customText = preselectedValue.toString();
+            } else {
+              const randomIndex = faker.number.int({ min: 0, max: values.length - 1 });
+              customText = randomIndex.toString();
+            }
+
+            return {
+              customText,
+            };
+          })
+          .with({ type: FieldType.CHECKBOX }, ({ fieldMeta }) => {
+            let checkedValues: number[] = [];
+
+            const values = fieldMeta?.values ?? [];
+
+            values.forEach((value, index) => {
+              if (value.checked) {
+                checkedValues.push(index);
+              }
+            });
+
+            if (checkedValues.length === 0 && values.length > 0) {
+              const numberOfValues = fieldMeta?.validationLength || 1;
+
+              checkedValues = Array.from({ length: numberOfValues }, (_, index) => index);
+            }
+
+            return {
+              customText: toCheckboxCustomText(checkedValues),
+            };
+          })
+          .with({ type: FieldType.DROPDOWN }, ({ fieldMeta }) => {
+            const values = fieldMeta?.values ?? [];
+
+            let customText = fieldMeta?.defaultValue || '';
+
+            if (!customText && values.length > 0) {
+              const randomIndex = faker.number.int({ min: 0, max: values.length - 1 });
+              customText = values[randomIndex].value;
+            }
+
+            return {
+              customText,
+            };
+          })
+          .with({ type: FieldType.SIGNATURE }, () => {
+            return {
+              customText: '',
+              signature: {
+                signatureImageAsBase64: '',
+                typedSignature: recipientName,
+              },
+            };
+          })
+          .with({ type: FieldType.FREE_SIGNATURE }, () => {
+            return {
+              customText: '',
+            };
+          })
+          .exhaustive(),
+      };
+    });
+  }, [fields, envelope, envelope.recipients, envelope.documentMeta]);
+
   /**
    * Set the selected recipient to the first recipient in the envelope.
    */
@@ -31,40 +195,38 @@ export const EnvelopeEditorPreviewPage = () => {
     editorFields.setSelectedRecipient(envelope.recipients[0]?.id ?? null);
   }, []);
 
+  // Override the parent renderer provider so we can inject custom fields.
   return (
-    <div className="relative flex h-full">
-      <div className="flex w-full flex-col overflow-y-auto">
-        {/* Horizontal envelope item selector */}
-        <EnvelopeRendererFileSelector fields={editorFields.localFields} />
+    <EnvelopeRenderProvider
+      envelope={envelope}
+      token={undefined}
+      fields={fieldsWithPlaceholders}
+      recipientIds={envelope.recipients.map((recipient) => recipient.id)}
+      overrideSettings={{
+        mode: 'export',
+      }}
+    >
+      <div className="relative flex h-full">
+        <div className="flex w-full flex-col overflow-y-auto">
+          {/* Horizontal envelope item selector */}
+          <EnvelopeRendererFileSelector fields={editorFields.localFields} />
 
-        {/* Document View */}
-        <div className="mt-4 flex flex-col items-center justify-center">
-          <Alert variant="warning" className="mb-4 max-w-[800px]">
-            <AlertTitle>
-              <Trans>Preview Mode</Trans>
-            </AlertTitle>
-            <AlertDescription>
-              <Trans>Preview what the signed document will look like with placeholder data</Trans>
-            </AlertDescription>
-          </Alert>
+          {/* Document View */}
+          <div className="mt-4 flex flex-col items-center justify-center">
+            <Alert variant="warning" className="mb-4 max-w-[800px]">
+              <AlertTitle>
+                <Trans>Preview Mode</Trans>
+              </AlertTitle>
+              <AlertDescription>
+                <Trans>Preview what the signed document will look like with placeholder data</Trans>
+              </AlertDescription>
+            </Alert>
 
-          {/* Coming soon section */}
-          <div className="border-border bg-card hover:bg-accent/10 flex w-full max-w-[800px] items-center gap-4 rounded-lg border p-4 transition-colors">
-            <div className="flex w-full flex-col items-center justify-center gap-2 py-32">
-              <ConstructionIcon className="text-muted-foreground h-10 w-10" />
-              <h3 className="text-foreground text-sm font-semibold">
-                <Trans>Coming soon</Trans>
-              </h3>
-              <p className="text-muted-foreground text-sm">
-                <Trans>This feature is coming soon</Trans>
-              </p>
-            </div>
-          </div>
-
-          {/* Todo: Envelopes - Remove div after preview mode is implemented */}
-          <div className="hidden">
             {currentEnvelopeItem !== null ? (
-              <PDFViewerKonvaLazy customPageRenderer={EnvelopeGenericPageRenderer} />
+              <PDFViewerKonvaLazy
+                renderer="editor"
+                customPageRenderer={EnvelopeGenericPageRenderer}
+              />
             ) : (
               <div className="flex flex-col items-center justify-center py-32">
                 <FileTextIcon className="text-muted-foreground h-10 w-10" />
@@ -78,27 +240,28 @@ export const EnvelopeEditorPreviewPage = () => {
             )}
           </div>
         </div>
-      </div>
 
-      {/* Right Section - Form Fields Panel */}
-      {currentEnvelopeItem && false && (
-        <div className="sticky top-0 h-full w-80 flex-shrink-0 overflow-y-auto border-l border-gray-200 bg-white py-4">
-          {/* Add fields section. */}
-          <section className="px-4">
-            {/* <h3 className="mb-2 text-sm font-semibold text-gray-900">
+        {/* Right Section - Form Fields Panel */}
+        {currentEnvelopeItem && false && (
+          <div className="sticky top-0 h-full w-80 flex-shrink-0 overflow-y-auto border-l border-gray-200 bg-white py-4">
+            {/* Add fields section. */}
+            <section className="px-4">
+              {/* <h3 className="mb-2 text-sm font-semibold text-gray-900">
               <Trans>Preivew Mode</Trans>
             </h3> */}
 
-            <Alert variant="neutral">
-              <AlertTitle>
-                <Trans>Preview Mode</Trans>
-              </AlertTitle>
-              <AlertDescription>
-                <Trans>Preview what the signed document will look like with placeholder data</Trans>
-              </AlertDescription>
-            </Alert>
+              <Alert variant="neutral">
+                <AlertTitle>
+                  <Trans>Preview Mode</Trans>
+                </AlertTitle>
+                <AlertDescription>
+                  <Trans>
+                    Preview what the signed document will look like with placeholder data
+                  </Trans>
+                </AlertDescription>
+              </Alert>
 
-            {/* <Alert variant="neutral">
+              {/* <Alert variant="neutral">
               <RadioGroup
                 className="gap-y-1"
                 value={selectedPreviewMode}
@@ -137,36 +300,37 @@ export const EnvelopeEditorPreviewPage = () => {
             <div>Preview what a recipient will see</div>
 
             <div>Preview the signed document</div> */}
-          </section>
+            </section>
 
-          {false && (
-            <AnimateGenericFadeInOut key={selectedPreviewMode}>
-              {selectedPreviewMode === 'recipient' && (
-                <>
-                  <Separator className="my-4" />
+            {false && (
+              <AnimateGenericFadeInOut key={selectedPreviewMode}>
+                {selectedPreviewMode === 'recipient' && (
+                  <>
+                    <Separator className="my-4" />
 
-                  {/* Recipient selector section. */}
-                  <section className="px-4">
-                    <h3 className="mb-2 text-sm font-semibold text-gray-900">
-                      <Trans>Selected Recipient</Trans>
-                    </h3>
+                    {/* Recipient selector section. */}
+                    <section className="px-4">
+                      <h3 className="mb-2 text-sm font-semibold text-gray-900">
+                        <Trans>Selected Recipient</Trans>
+                      </h3>
 
-                    <RecipientSelector
-                      selectedRecipient={editorFields.selectedRecipient}
-                      onSelectedRecipientChange={(recipient) =>
-                        editorFields.setSelectedRecipient(recipient.id)
-                      }
-                      recipients={envelope.recipients}
-                      className="w-full"
-                      align="end"
-                    />
-                  </section>
-                </>
-              )}
-            </AnimateGenericFadeInOut>
-          )}
-        </div>
-      )}
-    </div>
+                      <RecipientSelector
+                        selectedRecipient={editorFields.selectedRecipient}
+                        onSelectedRecipientChange={(recipient) =>
+                          editorFields.setSelectedRecipient(recipient.id)
+                        }
+                        recipients={envelope.recipients}
+                        className="w-full"
+                        align="end"
+                      />
+                    </section>
+                  </>
+                )}
+              </AnimateGenericFadeInOut>
+            )}
+          </div>
+        )}
+      </div>
+    </EnvelopeRenderProvider>
   );
 };