import { defineConfig } from 'vitepress';
import { withMermaid } from 'vitepress-plugin-mermaid';
import typedocSidebar from '../api/typedoc-sidebar.json';

// Special cases map for acronyms and exceptions
const SPECIAL_CASES = {
  hd: 'HD',
  indexeddb: 'IndexedDB',
  inmemory: 'InMemory',
  json: 'JSON',
  p2p: 'P2P',
  p2pkh: 'P2PKH',
  p2sh: 'P2SH',
  p2sh20: 'P2SH20',
  p2sh32: 'P2SH32',
  sse: 'SSE',
  utxo: 'UTXO',
};

function toPascalCase(str: string) {
  // Handle special cases first
  const lowerStr = str.toLowerCase();

  if (lowerStr.startsWith('@')) {
    return str;
  }

  // Split by common delimiters (hyphen, space, underscore)
  return str
    .split(/[-\s_]/)
    .map((word) => {
      if (word.length === 0) return '';

      if (SPECIAL_CASES[word]) {
        return SPECIAL_CASES[word];
      }

      // Capitalize first letter, lowercase rest
      return word.charAt(0).toUpperCase() + word.slice(1).toLowerCase();
    })
    .join('');
}

function convertNavToPascalCase(nav: Array<any>) {
  return nav.map((item) => {
    const result = { ...item };

    // Convert the text field
    if (result.text) {
      // If there was a @ prefix, preserve it
      result.text = item.text.startsWith('@')
        ? result.text
        : toPascalCase(result.text);
    }

    // Recursively process nested items
    if (result.items && Array.isArray(result.items)) {
      result.items = convertNavToPascalCase(result.items);
    }

    return result;
  });
}

// https://vitepress.dev/reference/site-config
export default withMermaid({
  outDir: '../dist',
  title: 'XO Stack',
  description:
    'XO Stack: Building smart applications on the Bitcoin Cash Network',
  head: [
    // Favicon.
    ['link', { rel: 'icon', href: '/favicon.png' }],
    // Basic OpenGraph tags
    ['meta', { property: 'og:type', content: 'website' }],
    ['meta', { property: 'og:title', content: 'XO Stack' }],
    [
      'meta',
      {
        property: 'og:description',
        content:
          'XO Stack: Building smart applications on the Bitcoin Cash Network',
      },
    ],
    [
      'meta',
      {
        property: 'og:image',
        content: 'https://stack.xo.cash/stack-opengraph.jpg',
      },
    ],
    ['meta', { property: 'og:url', content: 'https://stack.xo.cash/' }],

    // Optional additional tags
    ['meta', { property: 'og:site_name', content: 'XO Stack' }],

    // Twitter Card tags (optional but recommended)
    ['meta', { name: 'twitter:card', content: 'summary_large_image' }],
    ['meta', { name: 'twitter:site', content: '@yourtwitterhandle' }],
  ],
  themeConfig: {
    // Set the logo
    logo: {
      light: '/logo-light.svg',
      dark: '/logo-dark.svg',
    },

    // Enable search functionality.
    // TODO: Re-enable once we release documentation.
    /*
    search: {
      provider: 'local',
    },
    */

    // https://vitepress.dev/reference/default-theme-config
    nav: [
      { text: 'Home', link: '/' },
      // TODO: Re-enable once we release documentation
      // { text: 'Documentation', link: '/quick-start' },
      { text: 'Tools', link: '/tools/primitives' },
    ],

    sidebar: {
      // Default Side Menu.
      '/': [
        {
          text: 'Guide',
          items: [
            { text: 'Quick Start', link: '/quick-start' },
            { text: 'Architecture', link: '/architecture' },
            { text: 'Best Practices', link: '/api-examples' },
          ],
        },
        {
          text: 'Frameworks',
          items: [
            { text: 'Vue', link: '/frameworks/vue' },
            { text: 'React', link: '/frameworks/react' },
            { text: 'Svelte', link: '/frameworks/svelte' },
          ],
        },
        {
          text: 'API',
          items: convertNavToPascalCase(typedocSidebar),
        },
      ],
      // Side-menu for all routes under /tools/
      '/tools/': [
        {
          text: 'XO Tools',
          items: [
            {
              text: 'Primitives',
              link: '/tools/primitives',
              collapsed: false,
              items: [
                { text: 'Address', link: '/tools/primitives#address' },
                {
                  text: 'Block Header',
                  link: '/tools/primitives#block-header',
                },
                { text: 'Bytes', link: '/tools/primitives#bytes' },
                {
                  text: 'Encrypter',
                  link: '/tools/primitives#encrypter',
                },
                {
                  text: 'Hasher',
                  link: '/tools/primitives#hasher',
                },
                {
                  text: 'HD Private Node',
                  link: '/tools/primitives#hd-private-node',
                },
                {
                  text: 'HD Public Node',
                  link: '/tools/primitives#hd-public-node',
                },
                {
                  text: 'Mnemonic',
                  link: '/tools/primitives#mnemonic',
                },
                {
                  text: 'Private Key',
                  link: '/tools/primitives#private-key',
                },
                {
                  text: 'Public Key',
                  link: '/tools/primitives#public-key',
                },
                {
                  text: 'Satoshis',
                  link: '/tools/primitives#satoshis',
                },
                {
                  text: 'Script',
                  link: '/tools/primitives#script',
                },
                {
                  text: 'Transaction',
                  link: '/tools/primitives#transaction',
                },
              ],
            },
            {
              text: 'Stack',
              collapsed: false,
              items: [
                {
                  text: 'Blockchain',
                  link: '/tools/stack/blockchain',
                  items: [
                    {
                      text: 'Electrum',
                      link: '/tools/stack/blockchain#electrum',
                    },
                  ],
                },
              ],
            },
          ],
        },
      ],
    },
    /*

    */

    socialLinks: [
      // { icon: 'github', link: 'https://gitlab.com/GeneralProtocols/xo/stack' },
      { icon: 'x', link: 'https://x.com/xo_bitcoincash' },
    ],

    // This is the outline on the right-hand side of the page.
    outline: {
      level: [2, 4],
      label: 'On this page',
    },
  },

  // Set the dev and build targets to "esnext"
  // NOTE: We do this so that we can support top-level-await.
  vite: {
    esbuild: {
      target: 'esnext',
    },
    build: {
      target: 'esnext',
    },
    optimizeDeps: {
      esbuildOptions: {
        target: 'esnext',
      },
    },
  },
});