import Database from 'better-sqlite3'
import { mkdirSync } from 'fs'
import path from 'path'
import { fileURLToPath } from 'url'

const __dirname = path.dirname(fileURLToPath(import.meta.url))
const dataDir = path.join(__dirname, 'data')
mkdirSync(dataDir, { recursive: true })

const db = new Database(path.join(dataDir, 'stories.db'))
db.pragma('journal_mode = WAL')
db.pragma('foreign_keys = ON')

db.exec(`
  CREATE TABLE IF NOT EXISTS users (
    id    INTEGER PRIMARY KEY AUTOINCREMENT,
    name  TEXT NOT NULL,
    email TEXT UNIQUE NOT NULL COLLATE NOCASE,
    password TEXT NOT NULL,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
  );

  CREATE TABLE IF NOT EXISTS stories (
    id          INTEGER PRIMARY KEY AUTOINCREMENT,
    user_id     INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
    title       TEXT NOT NULL DEFAULT 'Untitled Story',
    content     TEXT DEFAULT '{}',
    cover_image TEXT,
    updated_at  DATETIME DEFAULT CURRENT_TIMESTAMP,
    created_at  DATETIME DEFAULT CURRENT_TIMESTAMP
  );

  CREATE TABLE IF NOT EXISTS images (
    id       INTEGER PRIMARY KEY AUTOINCREMENT,
    user_id  INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
    filename TEXT NOT NULL,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
  );
`)

export default db