interface block-entity {
    use common.{block-pos};

    resource block-entity {
        resource-location: func() -> string;
        get-position: func() -> block-pos;
        get-id: func() -> u32;
        is-dirty: func() -> bool;
        clear-dirty: func();
    }

    resource command-block-entity {
        get-block-entity: func () -> block-entity;
        last-output: func() -> string;
        track-output: func() -> bool;
        success-count: func() -> u32;
        command: func() -> string;
        auto: func() -> bool;
        condition-met: func() -> bool;
        powered: func() -> bool;
    }

    enum dye-color {
        white,
        orange,
        magenta,
        light-blue,
        yellow,
        lime,
        pink,
        gray,
        light-gray,
        cyan,
        purple,
        blue,
        brown,
        green,
        red,
        black,
    }

    record sign-text {
        messages: list<string>,
        color: dye-color,
        has-glowing-text: bool,
    }

    resource sign-block-entity {
        get-block-entity: func() -> block-entity;
        get-front-text: func() -> sign-text;
        set-front-text: func(text: sign-text);
        get-back-text: func() -> sign-text;
        set-back-text: func(text: sign-text);
        is-waxed: func() -> bool;
        set-waxed: func(waxed: bool);
    }

    resource jukebox-block-entity {
        get-block-entity: func() -> block-entity;
        is-playing: func() -> bool;
        stop-playing: func();
        start-playing: func(length-in-ticks: u64);
    }

    resource chest-block-entity {
        get-block-entity: func() -> block-entity;
        viewer-count: func() -> u32;
    }

    resource mob-spawner-block-entity {
        get-block-entity: func() -> block-entity;
        get-spawn-count: func() -> s32;
        get-spawn-range: func() -> s32;
        get-delay: func() -> s32;
    }

    variant block-entity-type {
        command-block-entity(command-block-entity),
        sign-block-entity(sign-block-entity),
        jukebox-block-entity(jukebox-block-entity),
        chest-block-entity(chest-block-entity),
        mob-spawner-block-entity(mob-spawner-block-entity),
    }
}