import env from '#start/env'
import app from '@adonisjs/core/services/app'
import { defineConfig } from '@adonisjs/lucid'

const dbConfig = defineConfig({
  /**
   * Default connection used for all queries.
   */
  connection: 'sqlite',

  connections: {
    /**
     * SQLite keeps the dashboard independent from MariaDB: the history and
     * the action log stay available even when MariaDB is down.
     */
    sqlite: {
      client: 'better-sqlite3',

      connection: {
        filename: env.get('DB_PATH') ?? app.tmpPath('db.sqlite3'),
      },

      /**
       * WAL lets the HTTP requests read while the monitors write.
       */
      pool: {
        afterCreate: (connection: any, done: (error: Error | null, connection: any) => void) => {
          connection.pragma('journal_mode = WAL')
          connection.pragma('foreign_keys = ON')
          done(null, connection)
        },
      },

      /**
       * Required by Knex for SQLite defaults.
       */
      useNullAsDefault: true,

      migrations: {
        /**
         * Sort migration files naturally by filename.
         */
        naturalSort: true,

        /**
         * Paths containing migration files.
         */
        paths: ['database/migrations'],
      },

      schemaGeneration: {
        /**
         * Enable schema generation from Lucid models.
         */
        enabled: true,

        /**
         * Custom schema rules file paths.
         */
        rulesPaths: ['./database/schema_rules.js'],
      },
    },
  },
})

export default dbConfig