"use strict";

const _ = require("lodash");
const AtomRange = require("atom").Range;
const wrapper = require("./react_wrapper");

module.exports = {
  rangeFromEditor: function (editor) {
    const selections = editor.selections;

    if (selections.length <= 0) {
      return [0, 0];
    }

    return _.map(selections, function (selection) {
      const range = selection.getBufferRange();
      const start = editor.buffer.characterIndexForPosition(range.start);
      const end = editor.buffer.characterIndexForPosition(range.end);
      return [start, end];
    });
  },

  offsetToBufferRange: function (buffer, start, end) {
    if (!buffer) {
      return null;
    }
    const offsetIndex = buffer.offsetIndex;
    if (!offsetIndex) {
      console.error("no offsetIndex!");
      return null;
    }
    const startRow = offsetIndex.totalTo(start, "characters").rows;
    const colStart = start - offsetIndex.totalTo(startRow, "rows").characters;

    // TODO: we could begin at start since we already know its offset
    const endRow = offsetIndex.totalTo(end, "characters").rows;
    const colEnd = end - offsetIndex.totalTo(endRow, "rows").characters;
    return new AtomRange([startRow, colStart], [endRow, colEnd]);
  },
  rangeToOffset: function (buffer, row, col) {
    const offsetIndex = buffer.offsetIndex;
    if (!offsetIndex) {
      console.error("no offsetIndex!");
      return -1;
    }
    return buffer.offsetIndex.totalTo(row, "rows").characters + col;
  },
  addBottomPanel: function addBottomPanel () {

  },
  addTopPanel: function addTopPanel () {

  },
  addRightPanel: function (name, view, styles) {
    const DOMNode = wrapper.create_node(name, view, styles);
    const pane = atom.workspace.addRightPanel({item: DOMNode});
    DOMNode.onDestroy(pane);
    return pane;
  },
  addModalPanel: function (element_name, view) {
    const DOMNode = wrapper.create_node(element_name, view, {width: "100%", height: "100%", overflow: "auto"});
    const pane = atom.workspace.addModalPanel({item: DOMNode});
    DOMNode.onDestroy(pane);
  }
};

@@ -1480,108 +1480,8 @@
 ol;%0A
-  %7D,%0A  addBottomPanel: function addBottomPanel () %7B%0A%0A  %7D,%0A  addTopPanel: function addTopPanel () %7B%0A%0A
   %7D,

Remove unused empty functions.