import { addToInbox } from "./addToInbox.ts";
import {
  caret,
  patch,
  getLines,
  makeSocket,
} from "../scrapbox-userscript-std/mod.ts";
import type { Scrapbox } from "https://raw.githubusercontent.com/scrapbox-jp/types/0.0.8/mod.ts";
declare const scrapbox: Scrapbox;

/** Promptからinboxに投入する
  *
  * @param project 投入先inboxページがあるproject
  * @param title 投入先inboxページのタイトル
  */
export const addToInboxFromPrompt = async (
  project: string,
  title: string,
): Promise<void> => {
  const text = window.prompt("Type all you think of", "");
  if (!text || text.trim() === "") return;
  const items = text.trim().split(/\s+/);
  
  await addToInbox(project, title, items);
};

/** 選択範囲にかかっている行をinboxに投入する
  *
  * @param project 投入先inboxページがあるproject
  * @param title 投入先inboxページのタイトル
  * @param option `fallbackToPrompt`を`true`にすると、選択範囲がないとに`addToInboxFromPrompt()`を起動するようになる
  */
export const addToInboxFromSelection = async (
  project: string,
  title: string,
  option?: { fallbackToPrompt?: boolean },
): Promise<void> => {
  // scrapbox.Page.title がnullでない条件
  if (scrapbox.Layout !== "page") return;
  const { selectionRange, selectedText } = caret();
  if (selectedText === "") {
    if (!option?.fallbackToPrompt) return;
    return addToInboxFromPrompt(project, title); 
  }
  
  const start = Math.min(
    selectionRange.start.line,
    selectionRange.end.line,
  );
  const end = Math.max(
    selectionRange.start.line,
    selectionRange.end.line,
  );
  const lines = getLines().slice(start, end + 1);
  const socket = await makeSocket();
  await addToInbox(project, title, lines.map((line) => line.text), { socket });
  
  await patch(
    scrapbox.Project.name,
    scrapbox.Page.title,
    (lines_) => {
      const lines2 = lines_.map((line) => line.text);
      return [
        ...lines2.slice(0, start),
        ...lines2.slice(end + 1),
      ];
    },
    { socket },
  );
};