package main

import (
	"encoding/json"
	"fmt"
	"net/http"
	"time"
)

type User struct {
	UserID     int
	Title      string
	CreatedOn time.Time
}

type Users struct {
	users []User
}

func UserHandler(w http.ResponseWriter, req *http.Request) {
	users := Users{}

	err := queryRepos(&users)
	if err != nil {
		http.Error(w, err.Error(), 500)
		return
	}


	out, err := json.Marshal(users.users)
	if err != nil {
		http.Error(w, err.Error(), 500)
		return
	}

	fmt.Fprintf(w, string(out))
}

func queryRepos(users *Users) error {
	rows, err := db.Query(`
		SELECT
     		user_id,
			title,
			created_on
			
		FROM users;
		`)
	if err != nil {
		return err
	}
	defer rows.Close()
	for rows.Next() {
		user := User{}
		err = rows.Scan(
			&user.UserID,
			&user.Title,
			&user.CreatedOn,
		)
		if err != nil {
			return err
		}
		users.users = append(users.users, user)
	}

	err = rows.Err()
	if err != nil {
		return err
	}
	return nil
}