Save and restore light states using Home Assistant (Node-RED automation)

save_and_restore_states.yaml

[
    {
        "id": "1a171a83.11dfdd",
        "type": "api-call-service",
        "z": "25e52f9c.ae111",
        "name": "save state",
        "server": "e02cc9b7.16ead8",
        "version": 1,
        "debugenabled": false,
        "service_domain": "scene",
        "service": "create",
        "entityId": "",
        "data": "{\"scene_id\":\"snapshot_livingroom\",\"snapshot_entities\":[\"light.ceiling\",\"light.ambient_right\",\"light.ambient_left\",\"light.led_strip\",\"media_player.radio\"]}",
        "dataType": "json",
        "mergecontext": "",
        "output_location": "",
        "output_location_type": "none",
        "mustacheAltTags": false,
        "x": 440,
        "y": 280,
        "wires": [
            []
        ]
    },
    {
        "id": "252d2fe9.eb594",
        "type": "api-call-service",
        "z": "25e52f9c.ae111",
        "name": "restore state",
        "server": "e02cc9b7.16ead8",
        "version": 1,
        "debugenabled": false,
        "service_domain": "scene",
        "service": "turn_on",
        "entityId": "scene.snapshot_livingroom",
        "data": "",
        "dataType": "json",
        "mergecontext": "",
        "output_location": "",
        "output_location_type": "none",
        "mustacheAltTags": false,
        "x": 450,
        "y": 240,
        "wires": [
            []
        ]
    },
    {
        "id": "d49e8f29.e1b6c",
        "type": "server-state-changed",
        "z": "25e52f9c.ae111",
        "name": "",
        "server": "e02cc9b7.16ead8",
        "version": 1,
        "entityidfilter": "binary_sensor.rocker_left",
        "entityidfiltertype": "exact",
        "outputinitially": false,
        "state_type": "str",
        "haltifstate": "on",
        "halt_if_type": "str",
        "halt_if_compare": "is",
        "outputs": 2,
        "output_only_on_state_change": true,
        "x": 180,
        "y": 240,
        "wires": [
            [
                "252d2fe9.eb594"
            ],
            []
        ]
    },
    {
        "id": "b1954096.895178",
        "type": "server-state-changed",
        "z": "25e52f9c.ae111",
        "name": "",
        "server": "e02cc9b7.16ead8",
        "version": 1,
        "entityidfilter": "binary_sensor.rocker_right",
        "entityidfiltertype": "exact",
        "outputinitially": false,
        "state_type": "str",
        "haltifstate": "on",
        "halt_if_type": "str",
        "halt_if_compare": "is",
        "outputs": 2,
        "output_only_on_state_change": true,
        "x": 180,
        "y": 280,
        "wires": [
            [
                "1a171a83.11dfdd"
            ],
            []
        ]
    },
    {
        "id": "e02cc9b7.16ead8",
        "type": "server",
        "z": "",
        "name": "Home Assistant",
        "legacy": false,
        "hassio": true,
        "rejectUnauthorizedCerts": true,
        "ha_boolean": "y|yes|true|on|home|open",
        "connectionDelay": true
    }
]