"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = shadow;
var _reactNative = require("react-native");
const SHADOW_COLOR = '#000000';
const SHADOW_OPACITY = 0.24;
const MD3_SHADOW_OPACITY = 0.3;
const MD3_SHADOW_COLOR = '#000000';
function shadow(elevation = 0, isV3 = false) {
  return isV3 ? v3Shadow(elevation) : v2Shadow(elevation);
}
function v2Shadow(elevation = 0) {
  if (elevation instanceof _reactNative.Animated.Value) {
    const inputRange = [0, 1, 2, 3, 8, 24];
    if (_reactNative.Platform.OS === 'ios') {
      return {
        shadowColor: SHADOW_COLOR,
        shadowOffset: {
          width: 0,
          height: elevation.interpolate({
            inputRange,
            outputRange: [0, 0.5, 0.75, 2, 7, 23]
          })
        },
        shadowOpacity: elevation.interpolate({
          inputRange: [0, 1],
          outputRange: [0, SHADOW_OPACITY],
          extrapolate: 'clamp'
        }),
        shadowRadius: elevation.interpolate({
          inputRange,
          outputRange: [0, 0.75, 1.5, 3, 8, 24]
        })
      };
    } else {
      return {
        elevation: elevation.interpolate({
          inputRange,
          outputRange: [0, 1, 2, 3, 8, 24]
        })
      };
    }
  } else {
    if (elevation === 0) {
      return {};
    }
    let height, radius;
    switch (elevation) {
      case 1:
        height = 0.5;
        radius = 0.75;
        break;
      case 2:
        height = 0.75;
        radius = 1.5;
        break;
      default:
        height = elevation - 1;
        radius = elevation;
    }
    if (_reactNative.Platform.OS === 'ios') {
      return {
        shadowColor: SHADOW_COLOR,
        shadowOffset: {
          width: 0,
          height
        },
        shadowOpacity: SHADOW_OPACITY,
        shadowRadius: radius
      };
    } else {
      return {
        elevation: elevation
      };
    }
  }
}
function v3Shadow(elevation = 0) {
  const inputRange = [0, 1, 2, 3, 4, 5];
  const shadowHeight = [0, 1, 2, 4, 6, 8];
  const shadowRadius = [0, 3, 6, 8, 10, 12];
  if (elevation instanceof _reactNative.Animated.Value) {
    if (_reactNative.Platform.OS === 'ios') {
      return {
        shadowColor: MD3_SHADOW_COLOR,
        shadowOffset: {
          width: 0,
          height: elevation.interpolate({
            inputRange,
            outputRange: shadowHeight
          })
        },
        shadowOpacity: elevation.interpolate({
          inputRange: [0, 1],
          outputRange: [0, MD3_SHADOW_OPACITY],
          extrapolate: 'clamp'
        }),
        shadowRadius: elevation.interpolate({
          inputRange,
          outputRange: shadowRadius
        })
      };
    } else {
      return {
        elevation: elevation.interpolate({
          inputRange,
          outputRange: [0, 1, 2, 3, 4, 5]
        })
      };
    }
  } else {
    if (_reactNative.Platform.OS === 'ios') {
      return {
        shadowColor: MD3_SHADOW_COLOR,
        shadowOpacity: elevation ? MD3_SHADOW_OPACITY : 0,
        shadowOffset: {
          width: 0,
          height: shadowHeight[elevation] || 0
        },
        shadowRadius: shadowRadius[elevation] || 0
      };
    } else {
      return {
        elevation: elevation || 0
      };
    }
  }
}
//# sourceMappingURL=shadow.js.map