Feature/star history charts

src/app/page.tsx

@@ -5,7 +5,7 @@ import { useForm } from 'react-hook-form';
 import { zodResolver } from '@hookform/resolvers/zod';
 import { motion } from 'framer-motion';
 import { Download } from 'lucide-react';
-import { profileSchema, linksSchema, socialSchema } from '@/lib/validations';
+import { profileSchema, linksSchema, socialSchema, defaultStarHistoryConfig } from '@/lib/validations';
 import { DEFAULT_DATA, DEFAULT_LINK, DEFAULT_SOCIAL } from '@/constants/defaults';
 import { initialSkillState } from '@/constants/skills';
 import { BasicInfoSection } from '@/components/sections/basic-info-section';
@@ -74,15 +74,23 @@ export default function GeneratorPage() {
   const [saveStatus, setSaveStatus] = useState<'idle' | 'saving' | 'saved'>('idle');
   const [hasInitialized, setHasInitialized] = useState(false);
 
+  // Create default profile data with Star History config
+  const defaultProfileData = useMemo(() => ({
+    ...DEFAULT_DATA,
+    starHistory: false,
+    starHistoryConfig: defaultStarHistoryConfig
+  }), []);
+
   const {
     register: registerProfile,
     formState: { errors: profileErrors },
     watch: watchProfile,
     reset: resetProfile,
     trigger: triggerProfile,
+    setValue: setValueProfile,
   } = useForm<ProfileFormData>({
     resolver: zodResolver(profileSchema),
-    defaultValues: savedData?.profile ? { ...DEFAULT_DATA, ...savedData.profile } : DEFAULT_DATA,
+    defaultValues: savedData?.profile ? { ...defaultProfileData, ...savedData.profile } : defaultProfileData,
     mode: 'onChange',
   });
 
@@ -267,7 +275,7 @@ export default function GeneratorPage() {
       variant: 'warning',
       onConfirm: () => {
         clearFormData();
-        resetProfile(DEFAULT_DATA);
+        resetProfile(defaultProfileData);
         resetLinks(DEFAULT_LINK);
         resetSocial(DEFAULT_SOCIAL);
         setSkills(initialSkillState);
@@ -276,7 +284,7 @@ export default function GeneratorPage() {
         showSuccess('All data cleared successfully', 'Form has been reset to default values');
       },
     });
-  }, [showConfirm, resetProfile, resetLinks, resetSocial, setSkills, showSuccess]);
+  }, [showConfirm, resetProfile, defaultProfileData, resetLinks, resetSocial, setSkills, showSuccess]);
 
   const handleDownloadJSON = () => {
     const data = {
@@ -316,7 +324,7 @@ export default function GeneratorPage() {
 
         // Validate and import data
         if (imported.profile) {
-          resetProfile({ ...DEFAULT_DATA, ...imported.profile } as ProfileFormData);
+          resetProfile({ ...defaultProfileData, ...imported.profile } as ProfileFormData);
         }
         if (imported.links) {
           resetLinks({ ...DEFAULT_LINK, ...imported.links } as LinksFormData);
@@ -560,6 +568,8 @@ export default function GeneratorPage() {
                   selectedSkills={skills}
                   onSkillChange={handleSkillChange}
                   registerProfile={registerProfile}
+                  watchProfile={watchProfile}
+                  setValueProfile={setValueProfile}
                 />
               </Suspense>
             )}

src/components/sections/skills-section.tsx

@@ -2,11 +2,12 @@
 
 import { useState, useMemo, useEffect } from 'react';
 import { Info } from 'lucide-react';
-import { UseFormRegister } from 'react-hook-form';
+import { UseFormRegister, UseFormWatch, UseFormSetValue } from 'react-hook-form';
 import { FormCheckbox } from '@/components/forms/form-checkbox';
 import { FormInput } from '@/components/forms/form-input';
 import { Select } from '@/components/ui/select';
 import { CollapsibleSection } from '@/components/ui/collapsible-section';
+import { StarHistory } from './star-history';
 import { categorizedSkills, categories } from '@/constants/skills';
 import { getSkillIconUrl } from '@/lib/markdown-generator';
 import type { ProfileFormData } from '@/lib/validations';
@@ -15,12 +16,16 @@ interface SkillsSectionProps {
   selectedSkills: Record<string, boolean>;
   onSkillChange: (skill: string, checked: boolean) => void;
   registerProfile: UseFormRegister<ProfileFormData>;
+  watchProfile: UseFormWatch<ProfileFormData>;
+  setValueProfile: UseFormSetValue<ProfileFormData>;
 }
 
 export function SkillsSection({
   selectedSkills,
   onSkillChange,
   registerProfile,
+  watchProfile,
+  setValueProfile,
 }: SkillsSectionProps) {
   const [searchQuery, setSearchQuery] = useState('');
   const [selectedCategory, setSelectedCategory] = useState<string>('all');
@@ -259,6 +264,13 @@ export function SkillsSection({
           )}
         </div>
       </div>
+
+      {/* Star History Charts */}
+      <StarHistory 
+        register={registerProfile}
+        watch={watchProfile}
+        setValue={setValueProfile}
+      />
     </div>
   );
 }

src/components/sections/star-history.tsx

@@ -0,0 +1,244 @@
+'use client';
+
+import { useState, useEffect } from 'react';
+import { UseFormRegister, UseFormWatch, UseFormSetValue } from 'react-hook-form';
+import { FormCheckbox } from '@/components/forms/form-checkbox';
+import { FormInput } from '@/components/forms/form-input';
+import type { ProfileFormData } from '@/lib/validations';
+import { generateStarHistoryURL, parseRepos, validateRepos } from '@/lib/star-history';
+
+interface StarHistoryProps {
+  register: UseFormRegister<ProfileFormData>;
+  watch: UseFormWatch<ProfileFormData>;
+  setValue: UseFormSetValue<ProfileFormData>;
+}
+
+
+export function StarHistory({ register, watch, setValue }: StarHistoryProps) {
+  const [reposInput, setReposInput] = useState<string>('');
+  const [previewUrl, setPreviewUrl] = useState<string>('');
+  const [loading, setLoading] = useState<boolean>(false);
+  const [errors, setErrors] = useState<string[]>([]);
+
+  // Watch form values
+  const starHistoryEnabled = watch('starHistory');
+  const starHistoryConfig = watch('starHistoryConfig');
+  const repos = starHistoryConfig?.repos || [];
+  const chartType = starHistoryConfig?.chartType || 'Date';
+  const theme = starHistoryConfig?.theme || 'auto';
+
+  // Initialize repos input only once when component mounts or repos change from empty
+  useEffect(() => {
+    // Only set reposInput if it's empty and we have repos
+    if (repos.length > 0 && reposInput === '') {
+      setReposInput(repos.join(', '));
+    }
+  }, [repos]); // Intentionally exclude reposInput from dependencies to prevent infinite loops when updating its value; note this creates a hidden dependency issue if reposInput changes independently.
+
+  // Update preview when config changes
+  const updatePreview = useCallback(() => {
+    // ...original updatePreview logic here...
+  }, [repos, chartType, theme]);
+
+  useEffect(() => {
+    updatePreview();
+  }, [updatePreview]);
+
+  // Add this useEffect to sync the states
+  useEffect(() => {
+  const configEnabled = configData?.enabled;
+
+  // If they're out of sync, fix it
+  if (mainEnabled !== configEnabled) {
+    setValue('starHistoryConfig.enabled', mainEnabled, { shouldValidate: true });
+  }
+  }, [watch('starHistory'), configData?.enabled, setValue]);
+
+  const updatePreview = async () => {
+    if (!starHistoryEnabled || repos.length === 0) {
+      setPreviewUrl('');
+      return;
+    }
+
+    setLoading(true);
+    try {
+      const effectiveTheme = theme === 'auto' ? 'light' : theme;
+      const url = generateStarHistoryURL({
+        repos: repos,
+        type: chartType,
+        theme: effectiveTheme as 'light' | 'dark'
+      });
+      setPreviewUrl(url);
+    } catch (error) {
+      console.error('Error generating preview:', error);
+      setErrors(['Failed to generate preview']);
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const handleReposChange = (value: string) => {
+    setReposInput(value);
+
+    // Parse repositories
+    const parsedRepos = parseRepos(value);
+
+    // Validate
+    const validation = validateRepos(parsedRepos);
+    setErrors(validation.errors);
+
+    if (validation.valid) {
+      setValue('starHistoryConfig.repos', parsedRepos, { shouldValidate: true });
+    }
+    else {
+      // Clear repos if invalid
+      setValue('starHistoryConfig.repos', [], { shouldValidate: true });
+    }
+  };
+
+  const handleChartTypeChange = (type: 'Date' | 'Timeline') => {
+    setValue('starHistoryConfig.chartType', type, { shouldValidate: true });
+  };
+
+  const handleThemeChange = (theme: 'light' | 'dark' | 'auto') => {
+    setValue('starHistoryConfig.theme', theme, { shouldValidate: true });
+  };
+
+  return (
+    <div className="border-border mt-6 border-t pt-6">
+      <div className={`rounded-lg p-4 transition-all ${starHistoryEnabled ? 'bg-accent/50' : 'bg-muted/30'}`}>
+        <h4 className="mb-2 flex items-center gap-2 text-sm font-semibold">
+          <span>⭐</span>
+          <span>Star History Charts</span>
+        </h4>
+
+        <FormCheckbox
+          {...register('starHistory')}
+          id="starHistory"
+          label="Show Star History chart on profile"
+        />
+
+        {starHistoryEnabled && (
+          <div className="mt-4 space-y-4">
+            {/* Repositories Input */}
+            <div>
+              <label className="block text-sm font-medium mb-2">
+                Repositories (comma-separated):
+              </label>
+              <FormInput
+                id="starHistoryRepos"
+                value={reposInput}
+                onChange={(e) => handleReposChange(e.target.value)}
+                placeholder="facebook/react, vuejs/vue, microsoft/vscode"
+                helperText="💡 Enter repositories in 'owner/repo' format. Example: facebook/react, vuejs/vue"
+              />
+              {errors.length > 0 && (
+                <div className="text-red-500 text-xs mt-2 space-y-1">
+                  {errors.map((error, index) => (
+                    <div key={index}>• {error}</div>
+                  ))}
+                </div>
+              )}
+            </div>
+
+            {/* Chart Type */}
+            <div>
+              <label className="block text-sm font-medium mb-2">Chart Type:</label>
+              <div className="flex flex-wrap gap-4">
+                <label className="flex items-center">
+                  <input
+                    type="radio"
+                    name="chartType"
+                    value="Date"
+                    checked={chartType === 'Date'}
+                    onChange={() => handleChartTypeChange('Date')}
+                    className="mr-2"
+                  />
+                  Date
+                </label>
+                <label className="flex items-center">
+                  <input
+                    type="radio"
+                    name="chartType"
+                    value="Timeline"
+                    checked={chartType === 'Timeline'}
+                    onChange={() => handleChartTypeChange('Timeline')}
+                    className="mr-2"
+                  />
+                  Timeline
+                </label>
+              </div>
+            </div>
+
+            {/* Theme */}
+            <div>
+              <label className="block text-sm font-medium mb-2">Theme:</label>
+              <div className="flex flex-wrap gap-4">
+                <label className="flex items-center">
+                  <input
+                    type="radio"
+                    name="theme"
+                    value="light"
+                    checked={theme === 'light'}
+                    onChange={() => handleThemeChange('light')}
+                    className="mr-2"
+                  />
+                  Light
+                </label>
+                <label className="flex items-center">
+                  <input
+                    type="radio"
+                    name="theme"
+                    value="dark"
+                    checked={theme === 'dark'}
+                    onChange={() => handleThemeChange('dark')}
+                    className="mr-2"
+                  />
+                  Dark
+                </label>
+                <label className="flex items-center">
+                  <input
+                    type="radio"
+                    name="theme"
+                    value="auto"
+                    checked={theme === 'auto'}
+                    onChange={() => handleThemeChange('auto')}
+                    className="mr-2"
+                  />
+                  Auto (match profile)
+                </label>
+              </div>
+            </div>
+
+            {/* Preview */}
+            <div>
+              <label className="block text-sm font-medium mb-2">Preview:</label>
+              <div className="border rounded p-4 bg-gray-50 dark:bg-gray-900 min-h-[200px] flex items-center justify-center">
+                {loading ? (
+                  <div className="text-gray-500">Loading preview...</div>
+                ) : previewUrl ? (
+                  <img 
+                    src={previewUrl} 
+                    alt="Star History Preview" 
+                    className="max-w-full h-auto"
+                    onError={() => setErrors(['Failed to load preview. Check repository names.'])}
+                  />
+                ) : (
+                  <div className="text-gray-500">Enter repositories to see preview</div>
+                )}
+              </div>
+            </div>
+
+            {/* Help Text */}
+            <div className="bg-blue-50 dark:bg-blue-900/20 border border-blue-200 dark:border-blue-800 rounded p-3">
+              <p className="text-blue-800 dark:text-blue-300 text-sm">
+                <strong>Tip:</strong> The Star History chart shows the growth of GitHub stars over time. 
+                Perfect for showcasing project popularity and growth trends.
+              </p>
+            </div>
+          </div>
+        )}
+      </div>
+    </div>
+  );
+}

src/lib/markdown-generator.ts

@@ -5,6 +5,7 @@ import type {
   SupportFormData,
 } from './validations';
 import { DEFAULT_PREFIX } from '@/constants/defaults';
+import { generateStarHistoryMarkdown } from './star-history';
 
 interface GenerateMarkdownOptions {
   profile: Partial<ProfileFormData>;
@@ -350,6 +351,15 @@ export function generateMarkdown(options: GenerateMarkdownOptions): string {
     markdown += `<p align="left"> <a href="https://twitter.com/${social.twitter}" target="blank"><img src="https://img.shields.io/twitter/follow/${social.twitter}?logo=twitter&style=for-the-badge" alt="${social.twitter}" /></a> </p>\n\n`;
   }
 
+  // Star History Chart
+  if (profile.starHistory && profile.starHistoryConfig?.enabled) {
+    const starHistoryMarkdown = generateStarHistoryMarkdown(profile.starHistoryConfig);
+    if (starHistoryMarkdown) {
+      markdown += `<h3 align="left">⭐ Star History</h3>\n\n`;
+      markdown += `${starHistoryMarkdown}\n\n`;
+    }
+  }
+
   // About sections
   const aboutSections = [
     {