import _inheritsLoose from '@babel/runtime/helpers/inheritsLoose';
import { createContext, forwardRef, createElement, Component, Fragment } from 'react';
import createCache from '@emotion/cache';
import { getRegisteredStyles, insertStyles } from '@emotion/utils';
import { serializeStyles } from '@emotion/serialize';
import { StyleSheet } from '@emotion/sheet';
import css from '@emotion/css';
export { default as css } from '@emotion/css';

var isBrowser = typeof document !== 'undefined';

var EmotionCacheContext = createContext( // we're doing this to avoid preconstruct's dead code elimination in this one case
// because this module is primarily intended for the browser and node
// but it's also required in react native and similar environments sometimes
// and we could have a special build just for that
// but this is much easier and the native packages
// might use a different theme context in the future anyway
typeof HTMLElement !== 'undefined' ? createCache() : null);
var ThemeContext = createContext({});
var CacheProvider = EmotionCacheContext.Provider;

var withEmotionCache = function withEmotionCache(func) {
  var render = function render(props, ref) {
    return createElement(EmotionCacheContext.Consumer, null, function (cache) {
      return func(props, cache, ref);
    });
  }; // $FlowFixMe


  return forwardRef(render);
};

if (!isBrowser) {
  var BasicProvider =
  /*#__PURE__*/
  function (_React$Component) {
    _inheritsLoose(BasicProvider, _React$Component);

    function BasicProvider(props, context, updater) {
      var _this;

      _this = _React$Component.call(this, props, context, updater) || this;
      _this.state = {
        value: createCache()
      };
      return _this;
    }

    var _proto = BasicProvider.prototype;

    _proto.render = function render() {
      return createElement(EmotionCacheContext.Provider, this.state, this.props.children(this.state.value));
    };

    return BasicProvider;
  }(Component);

  withEmotionCache = function withEmotionCache(func) {
    return function (props) {
      return createElement(EmotionCacheContext.Consumer, null, function (context) {
        if (context === null) {
          return createElement(BasicProvider, null, function (newContext) {
            return func(props, newContext);
          });
        } else {
          return func(props, context);
        }
      });
    };
  };
}

// thus we only need to replace what is a valid character for JS, but not for CSS

var sanitizeIdentifier = function sanitizeIdentifier(identifier) {
  return identifier.replace(/\$/g, '-');
};

var typePropName = '__EMOTION_TYPE_PLEASE_DO_NOT_USE__';
var labelPropName = '__EMOTION_LABEL_PLEASE_DO_NOT_USE__';
var hasOwnProperty = Object.prototype.hasOwnProperty;

var render = function render(cache, props, theme, ref) {
  var cssProp = theme === null ? props.css : props.css(theme); // so that using `css` from `emotion` and passing the result to the css prop works
  // not passing the registered cache to serializeStyles because it would
  // make certain babel optimisations not possible

  if (typeof cssProp === 'string' && cache.registered[cssProp] !== undefined) {
    cssProp = cache.registered[cssProp];
  }

  var type = props[typePropName];
  var registeredStyles = [cssProp];
  var className = '';

  if (typeof props.className === 'string') {
    className = getRegisteredStyles(cache.registered, registeredStyles, props.className);
  } else if (props.className != null) {
    className = props.className + " ";
  }

  var serialized = serializeStyles(registeredStyles);

  if (process.env.NODE_ENV !== 'production' && serialized.name.indexOf('-') === -1) {
    var labelFromStack = props[labelPropName];

    if (labelFromStack) {
      serialized = serializeStyles([serialized, 'label:' + labelFromStack + ';']);
    }
  }

  var rules = insertStyles(cache, serialized, typeof type === 'string');
  className += cache.key + "-" + serialized.name;
  var newProps = {};

  for (var key in props) {
    if (hasOwnProperty.call(props, key) && key !== 'css' && key !== typePropName && (process.env.NODE_ENV === 'production' || key !== labelPropName)) {
      newProps[key] = props[key];
    }
  }

  newProps.ref = ref;
  newProps.className = className;
  var ele = createElement(type, newProps);

  if (!isBrowser && rules !== undefined) {
    var _ref;

    var serializedNames = serialized.name;
    var next = serialized.next;

    while (next !== undefined) {
      serializedNames += ' ' + next.name;
      next = next.next;
    }

    return createElement(Fragment, null, createElement("style", (_ref = {}, _ref["data-emotion-" + cache.key] = serializedNames, _ref.dangerouslySetInnerHTML = {
      __html: rules
    }, _ref.nonce = cache.sheet.nonce, _ref)), ele);
  }

  return ele;
};

var Emotion =
/* #__PURE__ */
withEmotionCache(function (props, cache, ref) {
  // use Context.read for the theme when it's stable
  if (typeof props.css === 'function') {
    return createElement(ThemeContext.Consumer, null, function (theme) {
      return render(cache, props, theme, ref);
    });
  }

  return render(cache, props, null, ref);
});

if (process.env.NODE_ENV !== 'production') {
  Emotion.displayName = 'EmotionCssPropInternal';
} // $FlowFixMe


var jsx = function jsx(type, props) {
  var args = arguments;

  if (props == null || !hasOwnProperty.call(props, 'css')) {
    // $FlowFixMe
    return createElement.apply(undefined, args);
  }

  if (process.env.NODE_ENV !== 'production' && typeof props.css === 'string' && // check if there is a css declaration
  props.css.indexOf(':') !== -1) {
    throw new Error("Strings are not allowed as css prop values, please wrap it in a css template literal from '@emotion/css' like this: css`" + props.css + "`");
  }

  var argsLength = args.length;
  var createElementArgArray = new Array(argsLength);
  createElementArgArray[0] = Emotion;
  var newProps = {};

  for (var key in props) {
    if (hasOwnProperty.call(props, key)) {
      newProps[key] = props[key];
    }
  }

  newProps[typePropName] = type;

  if (process.env.NODE_ENV !== 'production') {
    var error = new Error();

    if (error.stack) {
      // chrome
      var match = error.stack.match(/at (?:Object\.|)jsx.*\n\s+at ([A-Z][A-Za-z$]+) /);

      if (!match) {
        // safari and firefox
        match = error.stack.match(/.*\n([A-Z][A-Za-z$]+)@/);
      }

      if (match) {
        newProps[labelPropName] = sanitizeIdentifier(match[1]);
      }
    }
  }

  createElementArgArray[1] = newProps;

  for (var i = 2; i < argsLength; i++) {
    createElementArgArray[i] = args[i];
  } // $FlowFixMe


  return createElement.apply(null, createElementArgArray);
};

var warnedAboutCssPropForGlobal = false;
var Global =
/* #__PURE__ */
withEmotionCache(function (props, cache) {
  if (process.env.NODE_ENV !== 'production' && !warnedAboutCssPropForGlobal && ( // check for className as well since the user is
  // probably using the custom createElement which
  // means it will be turned into a className prop
  // $FlowFixMe I don't really want to add it to the type since it shouldn't be used
  props.className || props.css)) {
    console.error("It looks like you're using the css prop on Global, did you mean to use the styles prop instead?");
    warnedAboutCssPropForGlobal = true;
  }

  var styles = props.styles;

  if (typeof styles === 'function') {
    return createElement(ThemeContext.Consumer, null, function (theme) {
      var serialized = serializeStyles([styles(theme)]);
      return createElement(InnerGlobal, {
        serialized: serialized,
        cache: cache
      });
    });
  }

  var serialized = serializeStyles([styles]);
  return createElement(InnerGlobal, {
    serialized: serialized,
    cache: cache
  });
});

// maintain place over rerenders.
// initial render from browser, insertBefore context.sheet.tags[0] or if a style hasn't been inserted there yet, appendChild
// initial client-side render from SSR, use place of hydrating tag
var InnerGlobal =
/*#__PURE__*/
function (_React$Component) {
  _inheritsLoose(InnerGlobal, _React$Component);

  function InnerGlobal(props, context, updater) {
    return _React$Component.call(this, props, context, updater) || this;
  }

  var _proto = InnerGlobal.prototype;

  _proto.componentDidMount = function componentDidMount() {
    this.sheet = new StyleSheet({
      key: this.props.cache.key + "-global",
      nonce: this.props.cache.sheet.nonce,
      container: this.props.cache.sheet.container
    }); // $FlowFixMe

    var node = document.querySelector("style[data-emotion-" + this.props.cache.key + "=\"" + this.props.serialized.name + "\"]");

    if (node !== null) {
      this.sheet.tags.push(node);
    }

    if (this.props.cache.sheet.tags.length) {
      this.sheet.before = this.props.cache.sheet.tags[0];
    }

    this.insertStyles();
  };

  _proto.componentDidUpdate = function componentDidUpdate(prevProps) {
    if (prevProps.serialized.name !== this.props.serialized.name) {
      this.insertStyles();
    }
  };

  _proto.insertStyles = function insertStyles$1() {
    if (this.props.serialized.next !== undefined) {
      // insert keyframes
      insertStyles(this.props.cache, this.props.serialized.next, true);
    }

    if (this.sheet.tags.length) {
      // if this doesn't exist then it will be null so the style element will be appended
      var element = this.sheet.tags[this.sheet.tags.length - 1].nextElementSibling;
      this.sheet.before = element;
      this.sheet.flush();
    }

    this.props.cache.insert("", this.props.serialized, this.sheet, false);
  };

  _proto.componentWillUnmount = function componentWillUnmount() {
    this.sheet.flush();
  };

  _proto.render = function render() {
    if (!isBrowser) {
      var serialized = this.props.serialized;
      var serializedNames = serialized.name;
      var serializedStyles = serialized.styles;
      var next = serialized.next;

      while (next !== undefined) {
        serializedNames += ' ' + next.name;
        serializedStyles += next.styles;
        next = next.next;
      }

      var shouldCache = this.props.cache.compat === true;
      var rules = this.props.cache.insert("", {
        name: serializedNames,
        styles: serializedStyles
      }, this.sheet, shouldCache);

      if (!shouldCache) {
        var _ref;

        return createElement("style", (_ref = {}, _ref["data-emotion-" + this.props.cache.key] = serializedNames, _ref.dangerouslySetInnerHTML = {
          __html: rules
        }, _ref.nonce = this.props.cache.sheet.nonce, _ref));
      }
    }

    return null;
  };

  return InnerGlobal;
}(Component);

var keyframes = function keyframes() {
  var insertable = css.apply(void 0, arguments);
  var name = "animation-" + insertable.name; // $FlowFixMe

  return {
    name: name,
    styles: "@keyframes " + name + "{" + insertable.styles + "}",
    anim: 1,
    toString: function toString() {
      return "_EMO_" + this.name + "_" + this.styles + "_EMO_";
    }
  };
};

var classnames = function classnames(args) {
  var len = args.length;
  var i = 0;
  var cls = '';

  for (; i < len; i++) {
    var arg = args[i];
    if (arg == null) continue;
    var toAdd = void 0;

    switch (typeof arg) {
      case 'boolean':
        break;

      case 'object':
        {
          if (Array.isArray(arg)) {
            toAdd = classnames(arg);
          } else {
            toAdd = '';

            for (var k in arg) {
              if (arg[k] && k) {
                toAdd && (toAdd += ' ');
                toAdd += k;
              }
            }
          }

          break;
        }

      default:
        {
          toAdd = arg;
        }
    }

    if (toAdd) {
      cls && (cls += ' ');
      cls += toAdd;
    }
  }

  return cls;
};

function merge(registered, css, className) {
  var registeredStyles = [];
  var rawClassName = getRegisteredStyles(registered, registeredStyles, className);

  if (registeredStyles.length < 2) {
    return className;
  }

  return rawClassName + css(registeredStyles);
}

var ClassNames = withEmotionCache(function (props, context) {
  return createElement(ThemeContext.Consumer, null, function (theme) {
    var rules = '';
    var serializedHashes = '';
    var hasRendered = false;

    var css = function css() {
      if (hasRendered && process.env.NODE_ENV !== 'production') {
        throw new Error('css can only be used during render');
      }

      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
        args[_key] = arguments[_key];
      }

      var serialized = serializeStyles(args, context.registered);

      if (isBrowser) {
        insertStyles(context, serialized, false);
      } else {
        var res = insertStyles(context, serialized, false);

        if (res !== undefined) {
          rules += res;
        }
      }

      if (!isBrowser) {
        serializedHashes += " " + serialized.name;
      }

      return context.key + "-" + serialized.name;
    };

    var cx = function cx() {
      if (hasRendered && process.env.NODE_ENV !== 'production') {
        throw new Error('cx can only be used during render');
      }

      for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
        args[_key2] = arguments[_key2];
      }

      return merge(context.registered, css, classnames(args));
    };

    var content = {
      css: css,
      cx: cx,
      theme: theme
    };
    var ele = props.children(content);
    hasRendered = true;

    if (!isBrowser && rules.length !== 0) {
      var _ref;

      return createElement(Fragment, null, createElement("style", (_ref = {}, _ref["data-emotion-" + context.key] = serializedHashes.substring(1), _ref.dangerouslySetInnerHTML = {
        __html: rules
      }, _ref.nonce = context.sheet.nonce, _ref)), ele);
    }

    return ele;
  });
});

export { CacheProvider, ClassNames, Global, ThemeContext, jsx, keyframes, withEmotionCache };
