import { type CompilerPlugin, defineConfig, transform } from '@videojs/compiler';
import { tailwind } from '@videojs/compiler/tailwind';
import { kebabCase } from '@videojs/utils/string';

const SOURCE_CORE = '@videojs/core/components';
const SOURCE_ICONS = '@videojs/icons/components';

const SOURCE_TAILWIND_CSS = '../skins/src/default/video.tailwind.css';
const SOURCE_ANIMATIONS_CSS = '../skins/src/shared/animations.css';
const SOURCE_REGISTERED_PROPERTIES_CSS = '../skins/src/shared/registered-properties.css';
const SOURCE_SHARED_VARIABLES_CSS = '../skins/src/shared/variables.css';
const SOURCE_DEFAULT_VIDEO_CSS = '../skins/src/default/video.css';

const INPUT = {
  'default-video': '../skins/src/default/video.skin.tsx',
};

const GENERATED_DIR = 'src/presets/video/__generated__';
const GENERATED_BANNER = '// Generated by @videojs/compiler. Do not edit.\n';

export default defineConfig({
  input: INPUT,
  output: {
    dir: GENERATED_DIR,
    entryFileNames: '[name].css.tsx',
    banner: GENERATED_BANNER,
  },
  plugins: [
    tailwind({
      mode: 'extract',
      input: SOURCE_TAILWIND_CSS,
      output: 'default-video.css',
      emit: {
        mode: 'split',
        base: [
          SOURCE_ANIMATIONS_CSS,
          SOURCE_REGISTERED_PROPERTIES_CSS,
          SOURCE_SHARED_VARIABLES_CSS,
          SOURCE_DEFAULT_VIDEO_CSS,
        ],
      },
      vars: {
        properties: { mode: 'inline' },
      },
      resolve: {
        element(context) {
          const className = resolveMediaClassName(context.tag, context.tokenName ?? context.defaultName);

          return {
            className,
            chunk: resolveMediaChunk(className),
          };
        },
        classList({ className, classes }) {
          return [...classes, ...sharedClassNames(className)];
        },
      },
    }),
    react(),
  ],
});

function react(): CompilerPlugin {
  return transform((code) => {
    // Types
    const BaseVideoSkinProps = code.import('./src/presets/types', 'BaseVideoSkinProps', { type: true });
    const ReactNode = code.import('react', 'ReactNode', { type: true });

    // Utils
    const cn = code.import('@videojs/utils/style', 'cn');
    const isString = code.import('@videojs/utils/predicate', 'isString');
    const isRenderProp = code.import('@/utils/use-render', 'isRenderProp');

    // Components
    const Poster = code.import('@/ui/poster', 'Poster');

    return [
      code.imports({
        [SOURCE_CORE]: resolveComponentImport,
        [SOURCE_ICONS]: '@/icons',
      }),

      code
        .interface(/Props$/)
        .property('children')
        .setType(() => code.type.union(code.type.named(ReactNode), code.type.undefined())),

      code.interface('DefaultVideoSkinProps').extends(BaseVideoSkinProps),

      code.jsx.element(/^(Tooltip|Popover)\.Trigger$/).childToProp('render'),
      code.jsx.element('Controls.Root').addProp('data-controls', ''),
      code.jsx.element('Container').spreadProps('rest'),
      code.jsx.element('Text').replace('span'),

      code.jsx.element('Poster').replace(() =>
        code.jsx.if(
          'poster',
          code.jsx.create(Poster, {
            src: code.value.when('poster', isString),
            render: code.value.when('poster', isRenderProp),
          })
        )
      ),

      code.jsx
        .props('className')
        .where(code.value.isArray())
        .replace(({ value }) => code.value.call(cn, code.value.arrayItems(value))),

      code.function('DefaultVideoSkin').addProps(['poster', { name: 'rest', spread: true }]),
    ];
  });
}

function resolveComponentImport(name: string): { source: string; name: string } {
  return {
    source: name === 'Container' ? '@/player/context' : `@/ui/${resolveComponentImportPath(name)}`,
    name,
  };
}

function resolveComponentImportPath(name: string): string {
  const id = name.replace(/^AirPlay/, 'Airplay').replace(/^PiP/, 'Pip');
  return kebabCase(id).replace(/^-/, '');
}

function resolveMediaClassName(tag: string, defaultName: string): string {
  const tokenName = normalizeTokenName(defaultName);

  if (tag === 'Container') return 'media-root';
  if (/Button$/.test(tag)) return 'media-button';
  if (tag === 'ErrorDialog.Close') return 'media-error-close';

  return getPrefixedDefaultName(tokenName);
}

function normalizeTokenName(name: string): string {
  if (name.startsWith('icons-')) {
    const iconName = stripRootSuffix(name.slice('icons-'.length));
    return iconName === 'root' ? 'icon' : iconName;
  }

  return stripRootSuffix(name);
}

function stripRootSuffix(name: string): string {
  return name.endsWith('-root') ? name.slice(0, -'-root'.length) : name;
}

function resolveMediaChunk(className: string): string {
  if (matchesPrefix(className, 'media-tooltip', 'media-popover', 'media-volume-popover')) return 'popup';

  if (matchesPrefix(className, 'media-error')) return 'dialog';

  if (matchesPrefix(className, 'media-buffering')) return 'loading';

  if (matchesPrefix(className, 'media-controls')) return 'controls';

  if (matchesPrefix(className, 'media-time')) return 'time';

  if (matchesPrefix(className, 'media-slider', 'media-spinner')) return 'slider';

  if (
    matchesPrefix(
      className,
      'media-indicator',
      'media-volume-indicator',
      'media-status-indicator',
      'media-seek-indicator'
    )
  ) {
    return 'feedback';
  }

  if (matchesPrefix(className, 'media-button', 'media-seek-label')) return 'button';

  if (className.endsWith('-icon') && className !== 'media-spinner') return 'button';

  return 'base';
}

function sharedClassNames(className: string): string[] {
  if (matchesPrefix(className, 'media-controls-group-start', 'media-controls-group-end')) {
    return ['media-controls-group'];
  }

  if (className === 'media-slider-thumb-persistent') return ['media-slider-thumb'];

  if (matchesPrefix(className, 'media-status-indicator-top', 'media-status-indicator-center')) {
    return ['media-status-indicator'];
  }

  if (matchesPrefix(className, 'media-seek-label-backward', 'media-seek-label-forward')) return ['media-seek-label'];

  if (className === 'media-error-close') return ['media-button'];

  if (className === 'media-volume-popover') return ['media-popover'];

  return [];
}

function getPrefixedDefaultName(name: string): string {
  return name.startsWith('media-') ? name : `media-${name}`;
}

function matchesPrefix(className: string, ...prefixes: string[]): boolean {
  return prefixes.some((prefix) => className === prefix || className.startsWith(`${prefix}-`));
}