How to implement a program that works for you on the site?

Question

Automation

I'll try to paint everything from "A" to "Z" and finally put an end to it ... The task is to make an exe program that runs in a window under windows. It is required from it, point by point:
1. At startup, ask the user for a username and password.

2. After pressing the "LOGIN" button, log in to the site.
3. Go to a specific section of the site.
4. Check a certain place on the site according to a scenario like (taken as an example) "If there is nothing, then update until it APPEARS and then, follow the link to the specified site and perform a couple of clicks in certain places." The script is looped.
Website API available!
Not unimportant points: he does everything "to himself", i.e. everything that happens on the site is not visible to the user, only the main window with a couple of buttons; launch and operation of several such programs at once. An example (albeit not the most successful): VKmusic (in terms of exe's, authorization and work with the site).

With the help of what, what programs, libraries and programming languages ​​can this be done? And in general, is it possible to implement in Microsoft Visual Studio Proffesional? Painfully convenient environment for work and creation of a high-quality interface. Please help guys! I will answer any of your questions. Paint as detailed as possible) Please, help please)

Answer 1

If I understand correctly,
you need to send requests to the website and receive any response from them (first and last name, list of friends, access key) . This can be implemented using the HTTP protocol .
Use any library that works with the HTTP protocol, such as SFML for C ++
At the same time, the website (or, more correctly, the server) must be able to process these requests and send a response. (Otherwise, you need to use libraries for parsing sites, such as Grab for Python)
VK Music (in your example ) uses the official APIVkontakte site for authorization, receiving a playlist, etc.

Answer 2

No one will write the code for you

Answer 3

Freelance sites.
It is unlikely that anyone will describe the creation algorithm in detail.
If the data is static and the click locations are always the same, you can install a virtual machine, a clicker and run it in free float.
It does not interfere with the work of a computer by performing clicks according to a schedule or script.
I had a similar implementation.
1. A virtual machine with Windows
2. Two clicker programs (one is looped, the other is scheduled)
3. A browser with user scripts and Gracemonkey
Well, its simple function, just to poke in the right places, performed perfectly.
I also needed to know about certain actions.
For example, she performed a click in such and such a place and an error occurred.
She sent me sms or emails with a simple post request.