{ pkgs, lib, config, ... }:
let
  inherit (config.services) public-inbox;
  inherit (config.users) groups;
  orga = "sourcephile";
  domain = "${orga}.fr";
  inboxes = [
    "doclang"
    "majurity"
    "reloto"
    "symantic"
    "symantic-atom"
    "symantic-base"
    "symantic-cli"
    "symantic-compta"
    "symantic-document"
    "symantic-http"
    "symantic-parser"
    "symantic-xml"
  ];
in
# Pour supprimer un message :
# curl https://mails.sourcephile.fr/inbox/environnement/8ea699887ca47797b4460053588cbef2d115829ab4@vieber.ru/raw |
# sudo -u public-inbox public-inbox-learn rm
{
security.acme.certs."${domain}" = {
  postRun = "systemctl try-restart public-inbox-nntpd public-inbox-imapd";
};
networking.nftables.ruleset = ''
  add rule inet filter net2fw tcp dport ${toString public-inbox.nntp.port} counter accept comment "NNTPS"
  add rule inet filter net2fw tcp dport 1993 counter accept comment "IMAPS"
'';
fileSystems."/var/lib/public-inbox" = {
  device = "rpool/var/public-inbox";
  fsType = "zfs";
};
systemd.services = {
  public-inbox-httpd = {
    serviceConfig = {
      SupplementaryGroups = [ groups."git-daemon".name ];
      BindReadOnlyPaths = [ "/var/lib/acme/${domain}" ];
    };
  };
  public-inbox-imapd = {
    wants = [ "acme-selfsigned-${domain}.service" "acme-${domain}.service"];
    after = [ "acme-selfsigned-${domain}.service" ];
    serviceConfig = {
      SupplementaryGroups = [ groups."acme".name ];
      BindReadOnlyPaths = [ "/var/lib/acme/${domain}" ];
    };
  };
  public-inbox-nntpd = {
    wants = [ "acme-selfsigned-${domain}.service" "acme-${domain}.service"];
    after = [ "acme-selfsigned-${domain}.service" ];
    serviceConfig = {
      SupplementaryGroups = [ groups."acme".name ];
      BindReadOnlyPaths = [ "/var/lib/acme/${domain}" ];
    };
  };
};
services.public-inbox = {
  enable = true;
  settings.publicinbox = {
    css = [ "href=https://mails.${domain}/style/light.css" ];
    nntpserver = [ "nntps://news.${domain}" ];
    wwwlisting = "match=domain";
  };
  mda = {
    enable = true;
    args = [ "--no-precheck" ]; # Allow Bcc:
  };
  http = {
    enable = true;
    port = "/run/public-inbox-http.sock";
    #port = 8080;
    args = ["-W0"];
    mounts = [
      "https://mails.${domain}/inbox"
      "https://public-inbox.${domain}/inbox"
    ];
  };
  nntp = {
    enable = true;
    #port = 563;
    args = ["-W0"];
    cert = "/var/lib/acme/${domain}/fullchain.pem";
    key = "/var/lib/acme/${domain}/key.pem";
  };
  imap = {
    enable = true;
    # FIXME: find an IP or .onion to put 993
    port = null;
    args = [ "-W0" "--listen" "imaps://0.0.0.0:1993" ];
    #args = ["-W0"];
    cert = "/var/lib/acme/${domain}/fullchain.pem";
    key = "/var/lib/acme/${domain}/key.pem";
  };
  inboxes = {
    news = {
      address = [
        "news@${domain}"
        "public-inbox+news@${domain}"
      ];
      description = ''
        news@${domain} :
        annonces d'informations concernant importantes
      '';
      url = "https://mails.${domain}/inbox/news";
      newsgroup = "inbox.comp.${orga}.news";
      #coderepo = [ "sourcephile-txt" ];
    };
    chat = {
      address = [
        "chat@${domain}"
        "public-inbox+chat@${domain}"
      ];
      description = ''
        chat@${domain} :
        discussions concernant l'informatique en général.
      '';
      url = "https://mails.${domain}/inbox/chat";
      newsgroup = "inbox.comp.${orga}.chat";
    };
    contact = {
      address = [
        "contact@${domain}"
        "public-inbox+contact@${domain}"
      ];
      description = ''
        contact@${domain} :
        discussions avec le grand public.
      '';
      url = "https://mails.${domain}/inbox/contact";
      newsgroup = "inbox.comp.${orga}.contact";
      #coderepo = [ "${orga}" ];
    };
    environnement = {
      address = [
        "environnement@${domain}"
        "public-inbox+environnement@${domain}"
      ];
      description = ''
        environnement@${domain} :
        discussions sur les impacts environnementaux de l'informatique.
      '';
      url = "https://mails.${domain}/inbox/environnement";
      newsgroup = "inbox.comp.${orga}.environnement";
      #coderepo = [ "sourcephile-txt" ];
    };
    labo = {
      address = [
        "labo@${domain}"
        "public-inbox+labo@${domain}"
      ];
      description = ''
        labo@${domain} :
        discussions concernant la science de l'informatique.
      '';
      url = "https://mails.${domain}/inbox/labo";
      newsgroup = "inbox.comp.${orga}.labo";
      # TODO: list many source code repositories
      #coderepo = [ "sourcephile-txt" ];
    };
    prod = {
      address = [
        "prod@${domain}"
        "public-inbox+prod@${domain}"
      ];
      description = ''
        prod@${domain} :
        discussions concernant l'administration technique de l'infrastructure informatique.
      '';
      url = "https://mails.${domain}/inbox/prod";
      newsgroup = "inbox.comp.${orga}.prod";
      #coderepo = [ "sourcephile-txt" "sourcephile-nix" ];
    };
    orga = {
      address = [
        "orga@${domain}"
        "public-inbox+orga@${domain}"
      ];
      description = ''
        orga@${domain} :
        discussions à l'attention de l'ensemble des personnes à bord.
      '';
      url = "https://mails.${domain}/inbox/orga";
      newsgroup = "inbox.comp.${orga}.orga";
      #coderepo = [ "sourcephile-txt" ];
    };
    test = {
      address = [
        "test@${domain}"
        "public-inbox+test@${domain}"
      ];
      description = ''
        test@${domain} :
        une cible de test pour effectuer des tirs de mails.
      '';
      url = "https://mails.${domain}/inbox/test";
      newsgroup = "inbox.comp.${orga}.test";
      hide = [ /* FIXME: doesn't work for IMAP */"imap" "www" "manifest" ];
    };
  } // lib.genAttrs inboxes (name: {
    address = [
      "${name}@${domain}"
      "public-inbox+${name}@${domain}"
    ];
    description = ''
      ${name}@${domain} :
      discussions concernant ${name}.
    '';
    url = "https://mails.${domain}/inbox/${name}";
    newsgroup = "inbox.comp.${orga}.${name}";
    coderepo = [ name ];
  });
  settings.coderepo = {
    sourcephile-txt = {
      dir = "/var/lib/gitolite/repositories/sourcephile-txt.git";
      cgitUrl = "https://code.${domain}/sourcephile-txt.git";
    };
    sourcephile-nix = {
      dir = "/var/lib/gitolite/repositories/sourcephile-nix.git";
      cgitUrl = "https://code.${domain}/sourcephile-nix.git";
    };
  } // lib.genAttrs inboxes (name: {
    dir = "/var/lib/gitolite/repositories/${name}.git";
    cgitUrl = "https://code.${domain}/${name}.git";
  });
};
services.postfix.virtual = lib.concatMapStringsSep "\n" (name: ''
  ${name}@${domain} public-inbox@localhost
'') inboxes;
services.sanoid.datasets."rpool/var/public-inbox" = {
  use_template = [ "local" ];
  daily = 7;
};
}