import {
  RawValueSignature,
  SpecifyRadiiValue,
  TokenState,
} from '@specifyapp/specify-design-token-format';
import { radiusValueToCss, rawRadiusToCss } from './radius.js';
import { unwrapInnerValue } from '../../_utils/unwrapInnerValue.js';
import { DEFAULT_UNRESOLVABLE_STRATEGY } from '../aliasStrategies/throwOnUnresolvable.js';
import {
  CssResolvableAliasStrategy,
  CssUnresolvableAliasStrategy,
} from '../aliasStrategies/CssAliasStrategy.js';

/**
 * Converts a `TokenState<'radii'>` to a css value.
 * E.g: `12px 4px 5px 12px`
 */
export function radiiToCss<UnresolvableReturn = never>(
  aliasStrategy: CssResolvableAliasStrategy,
  unresolvableAliasStrategy: CssUnresolvableAliasStrategy<UnresolvableReturn> = DEFAULT_UNRESOLVABLE_STRATEGY,
) {
  return (tokenState: TokenState<'radii'>) =>
    tokenState
      .getStatefulValueResult()
      .mapResolvableTopLevelAlias(aliasStrategy)
      .mapUnresolvableTopLevelAlias(alias => unresolvableAliasStrategy(tokenState, alias))
      .mapTopLevelValue(value =>
        value
          .mapRawValue(rawValue =>
            rawRadiiToCss(rawValue, aliasStrategy, unresolvableAliasStrategy),
          )
          .mapResolvableModeLevelAlias(aliasStrategy)
          .mapUnresolvableModeLevelAlias(alias => unresolvableAliasStrategy(tokenState, alias))
          .unwrap(),
      )
      .unwrap();
}

/**
 * Converts a `RawValueSignature<'radii'>` to css.
 */
export function rawRadiiToCss<UnresolvableReturn = never>(
  radii: RawValueSignature<'radii'>,
  aliasStrategy: CssResolvableAliasStrategy,
  unresolvableAliasStrategy: CssUnresolvableAliasStrategy<UnresolvableReturn> = DEFAULT_UNRESOLVABLE_STRATEGY,
) {
  return radii
    .map(radius => {
      return unwrapInnerValue(
        radius.mapPrimitiveValue(rawRadiusToCss),
        aliasStrategy,
        unresolvableAliasStrategy,
      );
    })
    .join(' ');
}

/**
 * Converts a radii to css.
 */
export function radiiValueToCss(radii: SpecifyRadiiValue) {
  return radii.map(radiusValueToCss).join(' ');
}