package pq

import (
	"database/sql"
	"errors"
	"fmt"

	"git.cmdq.io/meirjann/DataLogue-Backend/log"
	_ "github.com/lib/pq"
)

type pqClient struct {
	c *sql.DB
}

var (
	logger = log.New("db")
	db     = &pqClient{}
)

const (
	DB_HOST = "localhost"
	DB_NAME = "dataloguewdawd"
	DB_PASS = "datalogueawdawd"
	DB_USER = "datalogueawdawd"
)

func Init() error {
	c, err := initConn()
	if err != nil {
		return err
	}
	db.c = c

	err = checkOrCreateTables()
	if err != nil {
		return err
	}

	return nil
}

func initConn() (*sql.DB, error) {
	connStr := fmt.Sprintf("postgres://%s:%s@%s/%s?sslmode=verify-full", DB_USER, DB_PASS, DB_HOST, DB_NAME)
	db, err := sql.Open("postgres", connStr)
	if err != nil {
		return nil, err
	}
	logger.Println("connection to postgres db established")
	return db, nil
}

func CloseConn() error {
	if db.c != nil {
		err := db.c.Close()
		if err != nil {
			return err
		}
		logger.Println("connection to postgres db closed")
		return nil
	}
	return errors.New("postgres connection nil, could not close")
}

func checkOrCreateTables() error {
	return nil
}