# Glue: wire the swarm-controller's forge seeding to the forge options.
#
# ONE PAIRING PER FILE — forge ← swarm-controller, and nothing else. Deleting
# this leaves the controller seeding no pull-mirrors, the forge resolving
# workflow actions from `data.forgejo.org` and a fresh swarm without the hyperhive
# repo its meta flake pins.
#
# ⚠️ The mirror list is forwarded wherever the controller runs: it creates the
# mirrors through the forge's API, so the forge may be on another host. The
# list is that of the controller's own host; the forge's `mirrors` warning
# covers a list declared on a forge host without one. `actionsFromSelf` changes
# the forge's own settings, so it follows only a forge beside the controller.
{
  lib,
  config,
  ...
}:
let
  deployCfg = config.services.hyperhive.deploy;
in
{
  config = lib.mkMerge [
    (lib.mkIf deployCfg.swarm-controller.enable {
      # The meta flake pins the hyperhive repo on the swarm's forge, and a fresh
      # forge has none. The controller creates the mirror only if
      # `hyperhive/hyperhive` is absent, so a swarm that hosts the real repo is
      # not touched. `mkDefault`: an operator's explicit value wins.
      services.hyperhive.deploy.forgejo.hyperhiveUpstream =
        lib.mkDefault "https://forge.darkest.space/hyperhive/hyperhive";

      # JSON-encoded list of { upstream, dest }, seeded by the controller's
      # forge-objects pass (`swarm-controller/src/forge/objects.rs`).
      systemd.services.swarm-controller.environment.SWARM_CONTROLLER_FORGE_MIRRORS =
        builtins.toJSON deployCfg.forgejo.effectiveMirrors;
    })

    (lib.mkIf (deployCfg.forgejo.enable && deployCfg.swarm-controller.enable) {
      # The controller seeds the `actions/*` mirrors, so a forge beside one can
      # resolve actions from itself. `mkDefault`: an operator's explicit value wins.
      services.hyperhive.deploy.forgejo.actionsFromSelf = lib.mkDefault true;
    })
  ];
}