package database


import (
  "log"
  //"time"
  //"fmt"
  "ma/counter"
  "gorm.io/driver/postgres"
  "gorm.io/gorm"
)

type DatabaseHandle struct {
  initialized bool
  dbh *gorm.DB 
}

func NewDatabaseHandle() *DatabaseHandle {
  var db DatabaseHandle
  // inject the whole database configuration via the well-known PG* env variables
  conn, err := gorm.Open(postgres.Open(""))
  if err != nil {
    log.Printf("Unable to open database connection: %s", err)
    db.initialized = false
  } else {
    db.dbh = conn
    db.initialized = true
    //log.Println("Database connection opened")
  }
  return &db
}

func (self *DatabaseHandle) StoreMessage(message *Message) {
  if ! self.initialized {
    log.Printf("Database connection not initialized, can not store, message %s lost", message)
    counter.F("Stored")
    return
  }

  result := self.dbh.Create(message)
  if result.Error != nil {
    log.Printf("Unable to insert, message %s lost, error: %s", message, result.Error)
    counter.F("Stored")
    return
  }

  //log.Println("Successfully stored message")
  counter.S("Stored")
}