export type HelpArticle = {
  id: string;
  slug: string;
  title: string;
  summary: string;
  categoryKey: string;
  role: 'ALL' | 'company' | 'jobSeeker' | 'professional' | 'customer' | 'platform';
  tags: string[];
  updatedAt: string;
  content: string;
};

export const HELP_ARTICLES: HelpArticle[] = [
  {
    id: 'hc-1',
    slug: 'how-verification-works',
    title: 'How verification works',
    summary: 'Understand document review steps, approval outcomes, and timeline.',
    categoryKey: 'verification',
    role: 'ALL',
    tags: ['verification', 'documents', 'approval'],
    updatedAt: '2026-03-17T00:00:00Z',
    content: 'After signup, complete onboarding for one path and submit required documents. Admin review updates your status as pending, document required, approved, or rejected.',
  },
  {
    id: 'hc-2',
    slug: 'customer-post-requirement',
    title: 'How customers post requirements',
    summary: 'Choose profession intent, add requirements, and track verified responses.',
    categoryKey: 'requirements',
    role: 'customer',
    tags: ['customer', 'requirements'],
    updatedAt: '2026-03-17T00:00:00Z',
    content: 'Customer flow starts with selecting the professional category, then requirement details, budget, and timeline. After review, qualified professionals can respond.',
  },
  {
    id: 'hc-3',
    slug: 'professional-onboarding-guide',
    title: 'Professional onboarding guide',
    summary: 'Choose your profession, upload portfolio, submit PDF ID documents, and wait for approval.',
    categoryKey: 'onboarding',
    role: 'professional',
    tags: ['professional', 'onboarding', 'portfolio'],
    updatedAt: '2026-03-17T00:00:00Z',
    content: 'Each profession in Solid has its own onboarding and service configuration. Complete all steps and verification to unlock your full dashboard.',
  },
];

export function listHelpCenterArticles(input: { role?: string; categoryKey?: string; q?: string }) {
  const role = String(input.role || 'ALL');
  const categoryKey = String(input.categoryKey || '').trim();
  const q = String(input.q || '').trim().toLowerCase();

  return HELP_ARTICLES.filter((article) => {
    const roleOk = role === 'ALL' || article.role === 'ALL' || article.role === role;
    const categoryOk = !categoryKey || article.categoryKey === categoryKey;
    const queryOk = !q || `${article.title} ${article.summary} ${article.tags.join(' ')}`.toLowerCase().includes(q);
    return roleOk && categoryOk && queryOk;
  });
}

export function listHelpCenterCategories() {
  const keys = new Map<string, string>();
  for (const article of HELP_ARTICLES) {
    if (!keys.has(article.categoryKey)) {
      const title = article.categoryKey
        .split('-')
        .map((chunk) => chunk.charAt(0).toUpperCase() + chunk.slice(1))
        .join(' ');
      keys.set(article.categoryKey, title);
    }
  }

  return Array.from(keys.entries()).map(([key, title], idx) => ({
    id: `cat-${idx + 1}`,
    key,
    title,
  }));
}

export function getArticleBySlug(slug: string) {
  return HELP_ARTICLES.find((article) => article.slug === slug) || null;
}