import Setting from "setting/main"
import { CustomAdapter, CustomLow } from "./custom"
import path from "node:path"
// import _logger from "logger/main"

// const logger = _logger.createNamespace("db")

class DB {
  Modules: Record<string, CustomLow<any>> = {}

  create(filepath) {
    const adapter = new CustomAdapter<any>(filepath)
    const db = new CustomLow<object>(adapter, {})
    db.filepath = filepath
    return db
  }

  getDB(dbName: string) {
    if (this.Modules[dbName] === undefined) {
      const filepath = path.resolve(Setting.values("storagePath"), "./db/" + dbName + ".json")
      this.Modules[dbName] = this.create(filepath)
      return this.Modules[dbName]
    } else {
      const cur = this.Modules[dbName]
      const filepath = path.resolve(Setting.values("storagePath"), "./db/" + dbName + ".json")
      if (cur.filepath != filepath) {
        this.Modules[dbName] = this.create(filepath)
      }
      return this.Modules[dbName]
    }
  }

  async saveData(data: any): Promise<any>
  async saveData(dbName: string, data: any): Promise<any>
  async saveData(dbName: string, data?: any): Promise<any> {
    let db, rData
    if (arguments.length === 2) {
      db = this.getDB(dbName)
      rData = data
    } else {
      db = this.getDB("db")
      rData = dbName
    }
    if (db) {
      db.data = rData
      await db.write()
      return db.data
    }
    return null
  }

  async getData(dbName?: string) {
    let db
    if (dbName) {
      db = this.getDB(dbName)
    } else {
      db = this.getDB("db")
    }
    if (db) {
      await db.read()
      return db.data
    }
    return null
  }
}

export default DB
export { DB }