import { Comment, Input, Result, Root } from "postcss";

//#region src/types.d.ts
/**
 * Supported transformation method types.
 *
 * @example
 * const methods: PxTransformMethod[] = ['platform', 'size']
 */
type PxTransformMethod = 'platform' | 'size';
/**
 * Supported target platforms.
 *
 * @example
 * const platform: PxTransformPlatform = 'weapp'
 */
type PxTransformPlatform = 'weapp' | 'h5' | 'rn' | 'quickapp' | 'harmony';
/**
 * Target unit after conversion.
 *
 * @example
 * const unit: PxTransformTargetUnit = 'rpx'
 */
type PxTransformTargetUnit = 'rpx' | 'rem' | 'px' | 'vw' | 'vmin';
/**
 * Design width can be a number or per-file resolver.
 *
 * @default 750
 * @example
 * const designWidth: DesignWidth = (input) =>
 *   input.file?.includes('tablet') ? 1024 : 750
 */
type DesignWidth = number | ((input: Input) => number);
/**
 * Device ratio mapping for different design widths.
 *
 * @example
 * const deviceRatio: PxTransformDeviceRatio = { 750: 1, 375: 2 }
 */
interface PxTransformDeviceRatio {
  [designWidth: number]: number;
}
/**
 * Options for postcss-pxtrans.
 *
 * Defaults:
 * - platform: 'weapp'
 * - designWidth: 750
 * - deviceRatio: { 375: 2, 640: 1.17, 750: 1, 828: 0.905 }
 * - methods: ['platform', 'size']
 * - rootValue: computed from platform + designWidth
 * - targetUnit: 'rpx' (weapp), 'rem' (h5)
 * - unitPrecision: 5
 * - selectorBlackList: []
 * - propList: ['*']
 * - replace: true
 * - mediaQuery: false
 * - minPixelValue: 0
 * - onePxTransform: true
 *
 * @example
 * const options: PxTransformOptions = {
 *   platform: 'h5',
 *   designWidth: 375,
 *   targetUnit: 'vw',
 *   propList: ['*'],
 * }
 */
interface PxTransformOptions {
  /**
   * Target platform.
   *
   * @default 'weapp'
   */
  platform?: PxTransformPlatform;
  /**
   * Design width in pixels.
   *
   * @default 750
   */
  designWidth?: DesignWidth;
  /**
   * Target unit after conversion.
   *
   * @default 'rpx' (weapp), 'rem' (h5)
   */
  targetUnit?: PxTransformTargetUnit;
  /**
   * Device ratio map.
   *
   * @default { 375: 2, 640: 1.17, 750: 1, 828: 0.905 }
   */
  deviceRatio?: PxTransformDeviceRatio;
  /**
   * Custom root value resolver.
   *
   * @default computed from platform + designWidth
   */
  rootValue?: number | ((input: Input, m: string, value: string) => number);
  /**
   * Base font size for rem conversion.
   *
   * @default 20 (or minRootSize when >= 1)
   */
  baseFontSize?: number;
  /**
   * Minimum base font size.
   *
   * @default 0
   */
  minRootSize?: number;
  /**
   * Enabled methods.
   *
   * @default ['platform', 'size']
   */
  methods?: readonly PxTransformMethod[];
  /**
   * Decimal precision for generated values.
   *
   * @default 5
   */
  unitPrecision?: number;
  /**
   * Selectors to ignore.
   *
   * @default []
   */
  selectorBlackList?: readonly (string | RegExp)[];
  /**
   * Properties to transform.
   * Supports negated glob patterns like `!padding*` or `!--wot-*-font-size`.
   *
   * @default ['*']
   */
  propList?: readonly string[];
  /**
   * Replace the original declaration value.
   *
   * @default true
   */
  replace?: boolean;
  /**
   * Enable unit conversion inside @media params.
   *
   * @default false
   */
  mediaQuery?: boolean;
  /**
   * Minimum px value to convert.
   *
   * @default 0
   */
  minPixelValue?: number;
  /**
   * Convert 1px values.
   *
   * @default true
   */
  onePxTransform?: boolean;
  /**
   * Exclude files by path.
   *
   * @default undefined
   */
  exclude?: (filePath?: string) => boolean;
}
//#endregion
//#region src/directives.d.ts
/**
 * Create a PostCSS plugin that handles pxtrans directives such as
 * `#ifdef`, `#ifndef`, and `postcss-pxtrans rn eject`.
 *
 * Defaults:
 * - platform: 'weapp'
 * - methods: ['platform', 'size']
 *
 * @example
 * import postcss from 'postcss'
 * import pxtrans, { createDirectivePlugin } from 'postcss-pxtrans'
 *
 * const result = await postcss([
 *   createDirectivePlugin({ platform: 'rn' }),
 *   pxtrans({ platform: 'rn' }),
 * ]).process('/* #ifdef rn *\\/\\n.a{width:16px}\\n/* #endif *\\/', { from: undefined })
 */
declare function createDirectivePlugin(options?: PxTransformOptions): {
  postcssPlugin: string;
  prepare(result: Result): {
    Comment(comment: Comment): void;
    OnceExit(): void;
  };
};
//#endregion
//#region src/index.d.ts
/**
 * Convert px (and rpx) to target units based on platform rules.
 *
 * Defaults:
 * - platform: 'weapp'
 * - designWidth: 750
 * - deviceRatio: { 375: 2, 640: 1.17, 750: 1, 828: 0.905 }
 * - methods: ['platform', 'size']
 * - targetUnit: 'rpx' (weapp), 'rem' (h5)
 * - unitPrecision: 5
 * - propList: ['*']
 * - replace: true
 * - mediaQuery: false
 * - minPixelValue: 0
 * - onePxTransform: true
 *
 * @example
 * import postcss from 'postcss'
 * import pxtrans from 'postcss-pxtrans'
 *
 * const result = await postcss([pxtrans({
 *   platform: 'h5',
 *   designWidth: 375,
 *   targetUnit: 'vw',
 * })]).process('.a{padding:16px}', { from: undefined })
 */
declare function plugin(userOptions?: PxTransformOptions): {
  postcssPlugin: string;
  prepare?: never;
} | {
  postcssPlugin: string;
  prepare(result: Result): {
    Once(css: Root): void;
  };
};
declare namespace plugin {
  var postcss: boolean;
}
//#endregion
//#region src/index-require.d.cts
declare const requireEntry: typeof plugin & {
  default: typeof plugin;
  createDirectivePlugin: typeof createDirectivePlugin;
};
export = requireEntry;