using Folks;
using Gee;
using TelepathyGLib;
using Tpl;

public class FolksLoader : Object {
    BackendStore backend_store;
    IndividualAggregator aggregator;
    AccountManager account_manager;
    ArrayList<string> account_ids;

    public FolksLoader () {
        account_ids = new ArrayList<string> ();
        backend_store = BackendStore.dup ();
        aggregator = new IndividualAggregator ();
        account_manager = AccountManager.dup ();
        load_accounts ();
    }

    public async void load_accounts () {
        // Load accounts and add them to account_ids then trigger load_backends
        try {
            yield account_manager.prepare_async (null);
        } catch (GLib.Error e) {
                critical ("Error in loading backends");
        }
        var accounts = account_manager.get_valid_accounts ();
        var log_manager = LogManager.dup_singleton ();
        foreach (Account account in accounts) {
            stdout.printf("Fetching contacts for %s\n", account.get_display_name ());
            account_ids.add (account.get_display_name ());
        }
        load_backends ();
    }

    public async void load_backends (){
        // Load backends and only load persona stores from accounts_ids
        yield backend_store.prepare ();
        try {
            yield backend_store.load_backends ();
        } catch (GLib.Error e) {
                critical ("Error in loading backends");
        }
        Gee.Collection<Folks.Backend> backends = backend_store.list_backends ();
        foreach (Backend b in backends) {
            foreach (string a in b.persona_stores.keys) {
                if (account_ids. contains(b.persona_stores.get (a).display_name))
                    load_backend_personas (b.persona_stores.get (a));
            }
        }
    }

    public async void load_backend_personas (Folks.PersonaStore a) {
        yield a.prepare ();
        if (a.is_prepared) {
            var contacts = a.personas;
            stdout.printf("Backend %s: %i contacts\n", a.display_name, contacts.size);
        }
    }
}

public void main (string[] args) {
    FolksLoader loader;
    var mainloop = new MainLoop ();
    loader = new FolksLoader ();
    mainloop.run ();
}