syntax = "proto3";
import "google/protobuf/timestamp.proto";


package sys.net;
import "customoptions.proto";
import "nanopb.proto";
option (nanopb_fileopt).enum_to_string = true;
enum auth_types{
    AUTH_UNKNOWN = 0;
    OPEN = 1;
    WEP = 2;
    WPA_PSK = 3;
    WPA2_PSK = 4;
    WPA_WPA2_PSK = 5;
    WPA2_ENTERPRISE = 6;
    WPA3_PSK = 7;
    WPA2_WPA3_PSK = 8;
    WAPI_PSK = 9;
} 
enum radio_types {
    UNKNOWN = 0;
    PHY_11B = 1;
    PHY_11G = 2;
    PHY_11N = 3;
    LR = 4;
    WPS = 5;
    FTM_RESPONDER = 6;
    FTM_INITIATOR = 7;
}
message wifi_entry {
    option (nanopb_msgopt).packed_struct  = true;
    string ssid = 1 [(nanopb).max_length = 32];
    string bssid = 2 [(nanopb).max_length = 32];
    uint32 channel = 3 [(nanopb).int_size = IS_8];       /**< channel of target AP. Set to 1~13 to scan starting from the specified channel before connecting to AP. If the channel of AP is unknown, set it to 0.*/
    auth_types auth_type = 4;
    repeated radio_types radio_type = 5 [(nanopb).type = FT_POINTER];
    google.protobuf.Timestamp last_try = 6;
    google.protobuf.Timestamp last_seen = 7;
    bool connected = 8;
    string password = 9 [(nanopb).max_length = 64];
    uint32 rssi = 10  [(nanopb).max_length = 8];
} 
message ip {
    option (nanopb_msgopt).packed_struct  = true;
    option (nanopb_msgopt).msgid  = 10051;
    string ip = 14 [(nanopb).max_length = 15];
    string netmask = 15 [(nanopb).max_length = 15];
    string gw = 16 [(nanopb).max_length = 15];
  }



message ap {

    option (nanopb_msgopt).packed_struct  = true;
    option (nanopb_msgopt).msgid  = 10059;
    /** @brief Defines the access point's IP, NETMASK and GATEWAY. The gateway
     * should be set to the same value as the access point IP address.
     * Defaults to IP="192.168.4.1", NETMASK="255.255.255.0", GATEWAY= "192.168.4.1"
     **/
    ip ip = 1 [(cust_field).v_msg = '{"ip":"192.168.4.1","netmask":"255.255.255.0","gw":"192.168.4.1"}'];
    string password = 2 [(nanopb).max_length = 64,(cust_field).v_string = "squeezelite"];
    /** @brief Defines access point's channel.
    *  Channel selection is only effective when not connected to another AP.
    *  Good practice for minimal channel interference to use
    *  For 20 MHz: 1, 6 or 11 in USA and 1, 5, 9 or 13 in most parts of the world
    *  For 40 MHz: 3 in USA and 3 or 11 in most parts of the world
    */    
    uint32 channel = 3 [(nanopb).int_size = IS_8,(cust_field).v_uint32 = 1];       
    auth_types auth_mode = 4 [(cust_field).v_enum = "WPA2_PSK"];
    bool hidden = 5 [(cust_field).v_bool=false ];
    // Max allowed connections. 4 is recommended 
    uint32 max_connection = 6 [(nanopb).int_size = IS_8,(cust_field).v_uint32 = 4]; 
    // Recommended value: 100
    uint32 beacon_interval = 7 [(nanopb).int_size = IS_16, (cust_field).v_uint32 = 100];

}
message server {
    option (nanopb_msgopt).packed_struct  = true;
    option (nanopb_msgopt).msgid  = 10050;
    int32 cport = 1;
    int32 port = 2;
    string ip = 3 [(nanopb).max_length = 15];
  }
message config {
    enum ps_types {
        NONE = 0;        /**< No power save */
        MIN_MODEM = 1;   /**< Minimum modem power saving. In this mode, station wakes up to receive beacon every DTIM period */
        MAX_MODEM = 2;   /**< Maximum modem power saving. In this mode, interval to receive beacons is determined by the listen_interval parameter in wifi_sta_config_t */
    } 
    option (nanopb_msgopt).packed_struct  = true;
    bool disable_dhcp = 1;
    ip manual_ip = 2;
    // Wifi Credentials
    repeated wifi_entry credentials = 3 [(nanopb).type = FT_CALLBACK, (nanopb).callback_datatype = "sys_net_wifi_entry*"];
    ap ap = 4;
    uint32 sta_polling_max_s = 5 [(nanopb).int_size = IS_16, (cust_field).v_uint32 = 600];
    // access point teardown timer delay (s)
    uint32 ap_duration_s = 6 [(nanopb).int_size = IS_16, (cust_field).v_uint32 = 20];
    // background STA polling (s) used, amongst others, when an attempt to connect
    // to a known AP was made
    uint32 sta_polling_min_s = 7 [(nanopb).int_size = IS_16, (cust_field).v_uint32 = 15];
    uint32 dhcp_tmout_s = 8 [(nanopb).int_size = IS_16, (cust_field).v_uint32 = 30];
    bool eth_boot = 9 [(cust_field).v_bool = false];
    // number of times to try to connect to wifi when the connection is 
    // dropped
    uint32 max_wifi_retry = 10 [(cust_field).v_uint32 = 3];
    // As input param, it stores max AP number ap_records can hold. As output param, it receives the
    //  actual AP number this API returns. As a consequence, ap_num MUST be reset to MAX_AP_NUM at
    //  every scan 
    uint32 max_ap_num = 11 [(cust_field).v_uint32 = 15];
    /**
    * @brief Defines the maximum size of a SSID name. 32 is IEEE standard.
    * @warning limit is also hard coded in wifi_config_t. Never extend this value.
    */    
    uint32 max_ssid_size = 12 [(cust_field).v_uint32 = 32];    
    /**
    * @brief Defines the maximum size of a WPA2 passkey. 64 is IEEE standard.
    * @warning limit is also hard coded in wifi_config_t. Never extend this value.
    */    
    uint32 max_password_size = 13 [(cust_field).v_uint32 = 64];        

/** @brief Defines if wifi power save shall be enabled.
    *  Value: WIFI_PS_NONE for full power (wifi modem always on)
    *  Value: WIFI_PS_MODEM for power save (wifi modem sleep periodically)
    *  Note: Power save is only effective when in STA only mode
    */
    ps_types power_save_mode = 14 [(cust_field).v_enum = "MIN_MODEM"];
    // max number of times that a the system will try to connect to a
    // known access point if it wasn't already connected before
    uint32 max_initial_wifi_attempt = 15 [(cust_field).v_uint32 = 3];    

    // Connect to the first found access point matching the given SSID
    // Although this will reduce the boot-to-playback time, use with care
    // in an environment where several access points are configured with the same
    // SSID, as this does not guarantee that the AP with the best signal will
    // be connected to and result in instabilities.
    bool wifi_connect_fast_scan = 16;
}