syntax = "proto3";

package exa.reactive_component_pb;

option go_package = "github.com/Exafunction/Exafunction/exa/reactive_component_pb";

message StreamReactiveUpdatesRequest {
    uint32 protocol_version = 1;
    string id = 2;
}

message StreamReactiveUpdatesResponse {
    uint64 version = 1;
    MessageDiff diff = 2;
    bytes full_state = 3;
}

message TestProto {
    int32 counter = 1;
    repeated int32 values = 2;
    TestProto nested = 3;
    repeated TestProto nested_repeated = 4;
}

message MessageDiff {
    repeated FieldDiff field_diffs = 1;
}

message FieldDiff {
    uint32 field_number = 1;
    
    oneof diff {
        SingularValue update_singular = 2;
        RepeatedDiff update_repeated = 3;
        MapDiff update_map = 4;
        bool clear = 5;
    }
}

message RepeatedDiff {
    uint32 new_length = 1;
    repeated SingularValue update_values = 2;
    repeated uint32 update_indices = 3;
}

message MapDiff {
    repeated MapKeyDiff map_key_diffs = 1;
}

message MapKeyDiff {
    SingularValue map_key = 1;
    
    oneof diff {
        SingularValue update_singular = 2;
        bool clear = 3;
    }
}

message SingularValue {
    oneof value {
        double double_value = 1;
        float float_value = 2;
        int32 int32_value = 3;
        int64 int64_value = 4;
        uint32 uint32_value = 5;
        uint64 uint64_value = 6;
        sint32 sint32_value = 7;
        sint64 sint64_value = 8;
        fixed32 fixed32_value = 9;
        fixed64 fixed64_value = 10;
        sfixed32 sfixed32_value = 11;
        sfixed64 sfixed64_value = 12;
        bool bool_value = 13;
        uint32 enum_value = 14;
        string string_value = 15;
        bytes bytes_value = 16;
        MessageDiff message_value = 17;
    }
}

message TestDiffProto {
    double singular_scalar_value = 1;
    TestProto singular_message_value = 2;
    repeated double repeated_scalar_value = 3;
    repeated TestProto repeated_message_value = 4;
    map<int32, double> map_scalar_value = 5;
    map<string, TestProto> map_message_value = 6;
    TestEnum enum_value = 9;
    
    oneof oneof_test {
        double oneof_scalar_value = 7;
        TestProto oneof_message_value = 8;
    }
    
    oneof _optional_scalar_value {
        double optional_scalar_value = 10;
    }
}

enum TestEnum {
    TEST_ENUM_UNSPECIFIED = 0;
    TEST_ENUM_ONE = 1;
    TEST_ENUM_TWO = 2;
}