syntax = "proto3";

package gorm;

option go_package = "github.com/infobloxopen/protoc-gen-gorm/options;gorm";

import "google/protobuf/descriptor.proto";

// TODO: The option number 52119 lies within the internally reserved extension
// range. I believe a publicly unique number should be requested.

// Currently no file options
extend google.protobuf.FileOptions {
  GormFileOptions file_opts = 52119;
}

message GormFileOptions {
}

// Validation rules applied at the message level
extend google.protobuf.MessageOptions {
    // ormable will cause orm code to be generated for this message/object
    GormMessageOptions opts = 52119;
}

message GormMessageOptions {
  bool ormable = 1;
  repeated ExtraField include = 2;
  string table = 3;
  bool multi_account = 4;
}

message ExtraField {
  string type = 1;
  string name = 2;
  GormTag tag = 3;
  string package = 4;
}

// Field level specifications
extend google.protobuf.FieldOptions {
    GormFieldOptions field = 52119;
}

message GormFieldOptions {
    GormTag tag = 1;
    bool drop = 2;
    oneof association {
        HasOneOptions has_one = 3;
        BelongsToOptions belongs_to = 4;
        HasManyOptions has_many = 5;
        ManyToManyOptions many_to_many = 6;
    }
    string reference_of = 7;
}

message GormTag {
    string column = 1;
    string type = 2;
    int32 size = 3;
    int32 precision = 4;
    bool primary_key = 5;
    bool unique = 6;
    string default = 7;
    bool not_null = 8;
    bool auto_increment = 9;
    string index = 10;
    string unique_index = 11;
    bool embedded = 12;
    string embedded_prefix = 13;
    bool ignore = 14;
    string foreignkey = 15;
    string association_foreignkey = 16;
    string many_to_many = 17;
    string jointable_foreignkey = 18;
    string association_jointable_foreignkey = 19;
    bool association_autoupdate = 20;
    bool association_autocreate = 21;
    bool association_save_reference = 22;
    bool preload = 23;
}

message HasOneOptions {
    string foreignkey = 1;
    GormTag foreignkey_tag = 2;
    string association_foreignkey = 3;
    bool association_autoupdate = 4;
    bool association_autocreate = 5;
    bool association_save_reference = 6;
    bool preload = 7;
    bool replace = 8;
    bool append = 9;
    bool clear = 10;
}

message BelongsToOptions {
    string foreignkey = 1;
    GormTag foreignkey_tag = 2;
    string association_foreignkey = 3;
    bool association_autoupdate = 4;
    bool association_autocreate = 5;
    bool association_save_reference = 6;
    bool preload = 7;
}

message HasManyOptions {
    string foreignkey = 1;
    GormTag foreignkey_tag = 2;
    string association_foreignkey = 3;
    string position_field = 4;
    GormTag position_field_tag = 5;
    bool association_autoupdate = 6;
    bool association_autocreate = 7;
    bool association_save_reference = 8;
    bool preload = 9;
    bool replace = 10;
    bool append = 11;
    bool clear = 12;
}

message ManyToManyOptions {
    string jointable = 1;
    string foreignkey = 2;
    string jointable_foreignkey = 3;
    string association_foreignkey = 4;
    string association_jointable_foreignkey = 5;
    bool association_autoupdate = 6;
    bool association_autocreate = 7;
    bool association_save_reference = 8;
    bool preload = 9;
    bool replace = 10;
    bool append = 11;
    bool clear = 13;
}


// To be used in (leiu of) the interceptor
extend google.protobuf.ServiceOptions {
  AutoServerOptions server = 52119;
}

message AutoServerOptions {
  bool autogen = 1;
  bool txn_middleware = 2;
  bool with_tracing = 3;
}

extend google.protobuf.MethodOptions {
  MethodOptions method = 52119;
}

message MethodOptions {
  string object_type = 1;
}