const sqlite = require("better-sqlite3");
const showdown = require("showdown");
const db = new sqlite('./the_big_db.db', { verbose: console.log });

const converter = new showdown.Converter();

const createPages = db.prepare(`
create table if not exists pages (
  id integer primary key,
  title varchar(255),
  description text,
  html text
)
`);

const createUsers = db.prepare(`
create table if not exists users (
  name varchar(64) primary key,
  password varchar(128)
)
`);


function initDb() {
  console.log("creating page table")
  console.log(createPages.run());

  console.log("finding pages that havent been rendered");
  rows = db.prepare(`select * from pages where html is null`).all();
  console.log(rows);

  const insertPage = db.prepare(`replace into pages (id, title, description, html) values (:id, :title, :description, :html)`);

  rows.forEach((pageData) => {
    const {id, title, description, html} = pageData;
    console.log(`rendering page number ${id}`)
    console.log(`${id}. ${title}: ${description} ( ${html} )`);

    const renderedPage = converter.makeHtml(description);

    insertPage.run({...pageData, html: renderedPage});
  });

  console.log("creating user table");
  console.log(createUsers.run());
}

initDb();