package main

import (
	"database/sql"
	"fmt"
	_ "github.com/lib/pq"
	"log"
	"net/http"
)

var db *sql.DB

const (
	dbhost = "DBHOST"
	dbport = "DBPORT"
	dbuser = "DBUSER"
	dbpass = "DBPASS"
	dbname = "DBNAME"
)

func main() {
	initDb()
	defer db.Close()

	http.HandleFunc("/get-data", UserGetHandler)
	http.HandleFunc("/post-data", UserPostHandler)

	fmt.Println("Listening on :5000")
	log.Fatal(http.ListenAndServe(":5000", nil))

}


func initDb() {
	config := dbConfig()
	var err error
	psqlInfo := fmt.Sprintf("postgres://%v:%v@%v:%v/%v?sslmode=disable",
		config[dbuser], config[dbpass],
		config[dbhost], config[dbport], config[dbname])

	fmt.Println(psqlInfo)
	db, err = sql.Open("postgres", psqlInfo)
	if err != nil {
		panic(err)
	}
	err = db.Ping()
	if err != nil {
		panic(err)
	}
	fmt.Println("Successfully connected!")
}

func dbConfig() map[string]string {
	conf := make(map[string]string)
	conf[dbhost] = "POC-golang-postgres-docker_db_1" 
	conf[dbport] = "5432"
	conf[dbuser] = "root_user"
	conf[dbpass] = "shahzad12"
	conf[dbname] = "db_genity"
	return conf
}