// This file documents the interactions of the systemd units defined in `default.nix`.
// It exists only to aid readers of the Nix code.
// Make sure to keep the SVG file up to date by running `dot -Tsvg systemd-units.dot >systemd-units.svg`.

digraph systemd_units {
    label = "Systemd unit interactions";
    labelloc = "t";

    subgraph cluster_start {
        label = "Starting up";

        "minecraft-listen.socket"->"minecraft-listen.service" [color="green", label="Triggers the proxifier upon connection"];
        "minecraft-listen.service"->"minecraft-hook.service" [color="green", label="Runs"];
        "minecraft-hook.service"->"minecraft-server.service" [color="green", label="Starts"];
    }

    subgraph cluster_stop {
        label = "Shutting down";

        "minecraft-hook.service"->"minecraft-stop.timer" [color="green", label="Starts"];
        "minecraft-stop.timer"->"minecraft-stop.service" [color="green", label="Runs every X seconds"];
        "minecraft-stop.service"->"minecraft-server.service" [color="red", label="Stops if conditions are met"];
        "minecraft-stop.service"->"minecraft-stop.timer" [color="red", label="Stops if conditions are met"];
        "minecraft-stop.service"->"minecraft-hook.service" [color="red", label="Stops if conditions are met"];
    }
}