// Generated by ReScript, PLEASE EDIT WITH CARE

import * as React from "react";
import * as AnnotationTypes from "./AnnotationTypes.js";
import * as AnnotationStorage from "./AnnotationStorage.js";

function use(courseId) {
  let match = React.useState(() => AnnotationTypes.initialState);
  let setState = match[1];
  let state = match[0];
  let selectLesson = lesson => {
    let savedNote = AnnotationStorage.loadNote(courseId, lesson.id);
    let notes = {};
    if (savedNote !== undefined) {
      notes[lesson.id] = savedNote;
    }
    setState(param => ({
      selectedLesson: lesson,
      isPenOpen: true,
      notes: notes
    }));
  };
  let updateNote = (lessonId, note) => {
    AnnotationStorage.saveNote(courseId, lessonId, note);
    setState(prev => {
      let notes = {};
      notes[lessonId] = note;
      return {
        selectedLesson: prev.selectedLesson,
        isPenOpen: prev.isPenOpen,
        notes: notes
      };
    });
  };
  let closePen = () => setState(prev => ({
    selectedLesson: undefined,
    isPenOpen: false,
    notes: prev.notes
  }));
  let getNote = lessonId => state.notes[lessonId];
  return [
    state,
    selectLesson,
    updateNote,
    closePen,
    getNote
  ];
}

export {
  use,
}
/* react Not a pure module */