import "dart:io";
import "package:enough_mail/enough_mail.dart";
import "package:markdown/markdown.dart";
import "package:nexusbot/controllers/settings_controller.dart";
import "package:riverpod/riverpod.dart";

class MailClientController extends AsyncNotifier<MailClient> {
  @override
  Future<MailClient> build() async {
    final settings = ref.watch(SettingsController.provider)!;
    final account = MailAccount.fromManualSettings(
      email: settings.email,
      name: settings.mailName,
      incomingHost: settings.mailDomain,
      outgoingHost: settings.mailDomain,
      password: (await File(settings.smtpPasswordFile).readAsString()).trim(),
    );

    final client = MailClient(account);
    await client.connect();
    return client;
  }

  Future<void> sendMessage({
    required String plainText,
    required String markdown,
    required String subject,
    required MailAddress to,
  }) async {
    final client = await future;
    final settings = ref.watch(SettingsController.provider)!;

    return await client.sendMessageBuilder(
      MessageBuilder.prepareMultipartAlternativeMessage(
          plainText: plainText,
          htmlText: markdownToHtml(markdown),
        )
        ..subject = subject
        ..from = [
          MailAddress(settings.mailName, settings.emailAlias ?? settings.email),
        ]
        ..to = [to],
    );
  }

  static final provider =
      AsyncNotifierProvider<MailClientController, MailClient>(
        MailClientController.new,
      );
}