package neo4j

import (
	"context"
	"fmt"
	"log"
	"os"

	"github.com/joho/godotenv"
	"github.com/neo4j/neo4j-go-driver/v5/neo4j"
)

var (
	NEO4J_URI string
	NEO4J_USERNAME string
	NEO4J_PASSWORD string
)

func init() {
	err := godotenv.Load()
  if err != nil {
    log.Fatal("Error loading .env file")
  }

  NEO4J_URI = os.Getenv("NEO4J_URI")
  NEO4J_USERNAME = os.Getenv("NEO4J_USERNAME")
  NEO4J_PASSWORD = os.Getenv("NEO4J_PASSWORD")
}

func doConnect() {
    ctx := context.Background()
    // dbUri := "<database-uri>"
    // dbUser := "<username>"
    // dbPassword := "<password>"
    driver, err := neo4j.NewDriverWithContext(
        NEO4J_URI,
        neo4j.BasicAuth(NEO4J_USERNAME, NEO4J_PASSWORD, ""))
    if err != nil {
        panic(err)
    }
    defer driver.Close(ctx)

    err = driver.VerifyConnectivity(ctx)
    if err != nil {
        panic(err)
    }
    fmt.Println("Connection established.")
}