{
  config,
  lib,
  pkgs,
  ...
}: let
  cfg = config.personal.identities;
  mkEnableIdentityOption = name: lib.mkEnableOption "${name} identity";
in {
  options.personal.identities = {
    personal = mkEnableIdentityOption "personal";
    work = mkEnableIdentityOption "work";
  };

  config = lib.mkMerge [
    {
      accounts.email.accounts = let
        gpg = {
          key = "DFC1660846EEA97C059F18534EF515441E635D36";
          signByDefault = true;
        };
        thunderbirdSettings = id: {
          "mail.identity.id_${id}.fcc_folder_picker_mode" = 0;
        };
      in {
        personal = lib.mkIf cfg.personal {
          inherit gpg;
          address = "quentin@aristote.fr";
          userName = "quentin@aristote.fr";
          realName = "Quentin Aristote";
          folders = {
            drafts = "INBOX/Brouillons";
            inbox = "INBOX";
            sent = "INBOX/Envoyés";
            trash = "INBOX/Corbeille";
          };
          imap = {
            host = "ssl0.ovh.net";
            port = 993;
          };
          smtp = {
            host = "ssl0.ovh.net";
            port = 465;
          };
          thunderbird = {
            enable = true;
            profiles = ["default"];
            settings = id:
              thunderbirdSettings id
              // {
                "mail.identity.id_${id}.draft_folder" = "imap://quentin%40aristote.fr@ssl0.ovh.net/INBOX/Brouillons";
                "mail.identity.id_${id}.fcc_folder" = "imap://quentin%40aristote.fr@ssl0.ovh.net/INBOX/Envoy&AOk-s";
                "mail.identity.id_${id}.archive_folder" = "imap://quentin%40aristote.fr@ssl0.ovh.net/INBOX/Archive";
                "mail.server.server_${id}.trash_folder_name" = "INBOX/Corbeille";
              };
          };
        };
        work = lib.mkIf cfg.work {
          inherit gpg;
          address = "quentin.aristote@irif.fr";
          userName = "aristote";
          realName = "Quentin Aristote";
          aliases = ["aristote@irif.fr"];
          folders = {
            drafts = "Drafts";
            inbox = "Inbox";
            sent = "Sent";
            trash = "Trash";
          };
          imap = {
            host = "imap.irif.fr";
            port = 993;
          };
          smtp = {
            host = "smtp.irif.fr";
            port = 465;
          };
          thunderbird = {
            enable = true;
            profiles = ["default"];
            settings = id:
              thunderbirdSettings id
              // {
                "mail.identity.id_${id}.archive_folder" = "imap://aristote@imap.irif.fr/Archive";
                "mail.server.server_${id}.trash_folder_name" = "Trash";
              };
          };
        };
      };
    }
    (lib.mkIf cfg.work {
      home = {
        packages = with pkgs; [zotero evince];
        file.".latexmkrc".source =
          lib.mkDefault config.personal.home.dotfiles.latexmkrc;
      };
      programs.firefox.profiles = let
        addFloccus = {
          extensions = [pkgs.personal.firefoxAddons.floccus];
        };
      in {
        default = addFloccus;
        videoconferencing = addFloccus;
      };
    })
  ];
}