package main

/*
Author: Valentijn van der Jagt

In this project i play around with go. This is my first time writing go, and im using a lot of help from sources. all useful sources are listed in the comments below.

*/

// https://stackoverflow.com/questions/61080317/go-lang-very-simple-http-post-requests-and-response-endpoint, HTTP Server example
// https://stackoverflow.com/questions/16466320/is-there-a-way-to-do-repetitive-tasks-at-intervals, How timer intervals work in GoLang
// https://pkg.go.dev/modernc.org/sqlite#section-documentation, how to interface with specifically sqlite in GoLang
// https://github.com/mattn/go-sqlite3/blob/v1.14.34/_example/simple/simple.go,  How to inferface with a database in GoLang.
import (
	"database/sql"
	"log"
	"errors"

	_ "modernc.org/sqlite"
)


func findParcelProvider(code string, postal_code string)(string, error){
	providers := [4]string{"express", "parcel-nl", "ecommerce", "ecommerce-europe"}
	for _, v := range providers {
		// do http api reqiest
		success := false

		if (success){
			return v, nil
		}
	}
	return "", errors.New("parcel not found!")
}


func main() {
	db, err := sql.Open("sqlite", "./dhl.db")
	if err != nil {
		log.Fatal(err)
	}
	defer db.Close()

	code := "blablbla"
	postal := "1234ab"

	
	provider, err := findParcelProvider(code, postal)
	if (err != nil){
		log.Fatal(err)
	}


	log.Printf("Code: %s, Postal Code: %s, Tracking Service: %s", code, postal, provider)
	
}