import { Plugin } from "./../pm/state.js";
import { CommandManager } from "./command-manager.js";
import { createChainableState } from "./helpers/create-chainable-state.js";
import { getTextContentFromNodes } from "./helpers/get-text-content-from-nodes.js";
import { isRegExp } from "./utilities/is-regexp.js";
class InputRule {
  constructor(config) {
    this.find = config.find;
    this.handler = config.handler;
  }
}
const inputRuleMatcherHandler = (text, find) => {
  if (isRegExp(find)) {
    return find.exec(text);
  }
  const inputRuleMatch = find(text);
  if (!inputRuleMatch) {
    return null;
  }
  const result = [inputRuleMatch.text];
  result.index = inputRuleMatch.index;
  result.input = text;
  result.data = inputRuleMatch.data;
  if (inputRuleMatch.replaceWith) {
    if (!inputRuleMatch.text.includes(inputRuleMatch.replaceWith)) {
      console.warn(
        '[tiptap warn]: "inputRuleMatch.replaceWith" must be part of "inputRuleMatch.text".'
      );
    }
    result.push(inputRuleMatch.replaceWith);
  }
  return result;
};
function run(config) {
  const { editor, from, to, text, rules, plugin } = config;
  const { view } = editor;
  if (view.composing) {
    return false;
  }
  const $from = view.state.doc.resolve(from);
  if (
    // check for code node
    $from.parent.type.spec.code || // check for code mark
    !!($from.nodeBefore || $from.nodeAfter)?.marks.find((mark) => mark.type.spec.code)
  ) {
    return false;
  }
  let matched = false;
  const textBefore = getTextContentFromNodes($from) + text;
  rules.forEach((rule) => {
    if (matched) {
      return;
    }
    const match = inputRuleMatcherHandler(textBefore, rule.find);
    if (!match) {
      return;
    }
    const tr = view.state.tr;
    const state = createChainableState({
      state: view.state,
      transaction: tr
    });
    const range = {
      from: from - (match[0].length - text.length),
      to
    };
    const { commands, chain, can } = new CommandManager({
      editor,
      state
    });
    const handler = rule.handler({
      state,
      range,
      match,
      commands,
      chain,
      can
    });
    if (handler === null || !tr.steps.length) {
      return;
    }
    tr.setMeta(plugin, {
      transform: tr,
      from,
      to,
      text
    });
    view.dispatch(tr);
    matched = true;
  });
  return matched;
}
function inputRulesPlugin(props) {
  const { editor, rules } = props;
  const plugin = new Plugin({
    state: {
      init() {
        return null;
      },
      apply(tr, prev) {
        const stored = tr.getMeta(plugin);
        if (stored) {
          return stored;
        }
        const simulatedInputMeta = tr.getMeta("applyInputRules");
        const isSimulatedInput = !!simulatedInputMeta;
        if (isSimulatedInput) {
          setTimeout(() => {
            const { from, text } = simulatedInputMeta;
            const to = from + text.length;
            run({
              editor,
              from,
              to,
              text,
              rules,
              plugin
            });
          });
        }
        return tr.selectionSet || tr.docChanged ? null : prev;
      }
    },
    props: {
      handleTextInput(view, from, to, text) {
        return run({
          editor,
          from,
          to,
          text,
          rules,
          plugin
        });
      },
      handleDOMEvents: {
        compositionend: (view) => {
          setTimeout(() => {
            const { $cursor } = view.state.selection;
            if ($cursor) {
              run({
                editor,
                from: $cursor.pos,
                to: $cursor.pos,
                text: "",
                rules,
                plugin
              });
            }
          });
          return false;
        }
      },
      // add support for input rules to trigger on enter
      // this is useful for example for code blocks
      handleKeyDown(view, event) {
        if (event.key !== "Enter") {
          return false;
        }
        const { $cursor } = view.state.selection;
        if ($cursor) {
          return run({
            editor,
            from: $cursor.pos,
            to: $cursor.pos,
            text: "\n",
            rules,
            plugin
          });
        }
        return false;
      }
    },
    // @ts-ignore
    isInputRules: true
  });
  return plugin;
}
export {
  InputRule,
  inputRulesPlugin
};
//# sourceMappingURL=input-rule.js.map
