syntax = "proto3";
import "customoptions.proto";
import "nanopb.proto";
option (nanopb_fileopt).enum_to_string = true;

package sys;
enum OutputTypeEnum {
   OUTPUT_UNKNOWN = 0;
   OUTPUT_I2S = 1;
   OUTPUT_SPDIF = 2;
   OUTPUT_Bluetooth = 3;
}
message OutputBT {
    option (nanopb_msgopt).msgid  = 10039;
    string sink_name = 1 [(nanopb).max_length= 128];
    string pin = 2 [(nanopb).max_length= 16];
}
// Enum for the type of resampling algorithm
enum ResampleAlgorithm {
    RA_DISABLED = 0;
    RA_BASIC_LINEAR = 1; // Basic linear interpolation
    RA_THIRTEEN_TAPS = 2; // 13 taps
    RA_TWENTY_ONE_TAPS = 3; // 21 taps
}

// ResampleOptions represents the resampling options for Squeezelite
message ResampleOptions {
    option (nanopb_msgopt).msgid  = 10040;
    ResampleAlgorithm algorithm = 1; // The resampling algorithm to use
    bool interpolate_filter_coefficients = 2; // Whether to interpolate filter coefficients
}

enum SampleRate {
    SAMPLE_RATE_UNSPECIFIED = 0; // Default value, can be used to represent an unspecified rate
    SAMPLE_RATE_8000 = 8000;
    SAMPLE_RATE_11025 = 11025;
    SAMPLE_RATE_12000 = 12000;
    SAMPLE_RATE_16000 = 16000;
    SAMPLE_RATE_22050 = 22050;
    SAMPLE_RATE_24000 = 24000;
    SAMPLE_RATE_32000 = 32000;
    SAMPLE_RATE_44100 = 44100;
    SAMPLE_RATE_48000 = 48000;
    SAMPLE_RATE_88200 = 88200;
    SAMPLE_RATE_96000 = 96000;
    SAMPLE_RATE_176400 = 176400;
    SAMPLE_RATE_192000 = 192000;
    SAMPLE_RATE_352800 = 352800;
    SAMPLE_RATE_384000 = 384000;
    SAMPLE_RATE_705600 = 705600;
    SAMPLE_RATE_768000 = 768000;
}
enum DebugLevelEnum {
    DEFAULT = 0;
    ERROR = 1;
    WARN  = 2;
    INFO = 3;
    DEBUG = 4;
    SDEBUG = 5;
}
enum CodexEnum {
    c_undefined = 0;
    c_alac = 1;
    c_ogg = 2;
    c_ops = 3;
    c_flac = 4;
    c_pcm = 5;
    c_mp3 = 6;
    c_mad = 7;
    c_mpg = 8;
}
message RatesOption {
    option (nanopb_msgopt).msgid  = 10041;
    SampleRate min = 1;
    SampleRate max = 2;
    repeated SampleRate list = 3 [(nanopb).type = FT_POINTER]; // [(nanopb).max_count= 10];
}
message BufferOption {
    option (nanopb_msgopt).msgid  = 10042;
    uint32 stream = 1  [(cust_field).v_uint32 = 500];
    uint32 output = 2  [(cust_field).v_uint32 = 2000];
}
message DebugOptions {
    DebugLevelEnum output = 1 [(cust_field).v_string = "WARN"];
    DebugLevelEnum stream = 2 [(cust_field).v_string = "WARN"];
    DebugLevelEnum decode = 3 [(cust_field).v_string = "WARN"];
    DebugLevelEnum slimproto = 4 [(cust_field).v_string = "WARN"];
    DebugLevelEnum ir = 5 [(cust_field).v_string = "WARN"];
}

message Squeezelite {
    option (nanopb_msgopt).msgid  = 10044;
      // Output device configuration
    OutputTypeEnum output_type = 1 [(cust_field).v_string = "OUTPUT_I2S"];

    // Sample rates supported
    RatesOption rates = 2;

    // Timeout (seconds) for switching off amp GPIO
    // default is to keep the device 'on' all the time
    int32 amp_gpio_timeout = 3 [(cust_field).v_int32 = 30];

    // tRead wave and aiff format from header, ignore server parameters
    bool wav_aiff_header_parsing = 4;

    // Server connection options
    string server_name_ip = 5 [(nanopb).max_length= 128];
    uint32 server_port = 6;

    // Allow disabling squeezelite to use the 
    // device in "detached mode"
    bool enabled = 7;
    
    OutputBT output_bt = 8;

    // enable debugging here
    DebugOptions log = 9 ;

    // Max sample rate reported to server
    uint32 max_rate = 10;
    
    BufferOption buffers = 11;
    string resample = 12 [(nanopb).type = FT_POINTER];
    repeated CodexEnum included_codex = 13 [(nanopb).type = FT_POINTER];
    repeated CodexEnum excluded_codex = 14 [(nanopb).type = FT_POINTER];

}