import { Plugin } from "obsidian";
import BetterWordCountSettingsTab from "./settings/SettingsTab";
import StatsManager from "./stats/StatsManager";
import StatusBar from "./status/StatusBar";
import type { EditorView } from "@codemirror/view";
import { editorPlugin } from "./editor/EditorPlugin";
import {
  BetterWordCountSettings,
  DEFAULT_SETTINGS,
} from "src/settings/Settings";

export default class BetterWordCount extends Plugin {
  public settings: BetterWordCountSettings;
  public statusBar: StatusBar;
  public statsManager: StatsManager;

  // onunload(): void {
  //   this.app.workspace
  //     .getLeavesOfType(VIEW_TYPE_STATS)
  //     .forEach((leaf) => leaf.detach());
  // }

  async onload() {
    // Handle Settings
    this.settings = Object.assign(DEFAULT_SETTINGS, await this.loadData());
    this.addSettingTab(new BetterWordCountSettingsTab(this.app, this));

    // Handle Statistics
    if (this.settings.collectStats) {
      this.statsManager = new StatsManager(this.app.vault, this.app.workspace);
    }

    // Handle Status Bar
    let statusBarEl = this.addStatusBarItem();
    this.statusBar = new StatusBar(statusBarEl, this);
    this.statusBar.displayText("Hiya!");

    // Handle the Editor Plugin
    this.registerEditorExtension(editorPlugin);
    //@ts-expect-error, not typed
    const editorView = this.app.workspace.getMostRecentLeaf().view.editor
      .cm as EditorView;
    const editorPlug = editorView.plugin(editorPlugin);
    editorPlug.addPlugin(this);
  }

  async saveSettings(): Promise<void> {
    await this.saveData(this.settings);
  }

  // createCMExtension() {
  //   const cmStateField = StateField.define<DecorationSet>({
  //     create() {
  //       return Decoration.none;
  //     },
  //     update(effects: DecorationSet, tr: Transaction) {
  //       let text = "";
  //       if (tr.isUserEvent("select")) {
  //         const selection = tr.newSelection.main;
  //         const textIter = tr.newDoc.iterRange(selection.from, selection.to);
  //         while (!textIter.done) {
  //           text = text + textIter.next().value;
  //         }
  //       } else {
  //         const textIter = tr.newDoc.iter();
  //         while (!textIter.done) {
  //           text = text + textIter.next().value;
  //         }
  //         if (tr.docChanged && BetterWordCount.statsManager) {
  //           BetterWordCount.statsManager.change(text);
  //         }
  //       }
  //
  //       BetterWordCount.updateStatusBar(text);
  //
  //       return effects;
  //     },
  //     provide: (f: any) => EditorView.decorations.from(f),
  //   });
  //
  //   this.registerEditorExtension(cmStateField);
  // }
}