syntax = "proto3";

package common;

message Payload {
  string content_type = 1;
  map<string, string> headers = 2;
  bytes body = 3;
}

message Action {
  oneof action {
    Webhook webhook = 1;
    //Tunnel tunnel = 2;
  }
}

enum HttpMethod {
  HttpMethod_UNKNOWN = 0;
  GET = 1;
  POST = 2;
  PUT = 3;
  DELETE = 4;
  HEAD = 5;
  PATCH = 6;
}

message SimpleRetry {
  uint32 max_num_attempts = 1;
  double delay_s = 2;
}

message ExponentialBackoffRetry {
  uint32 max_num_attempts = 1;
  double delay_s = 2;
  double max_delay_s = 3;
}

message RetryConfig {
  oneof policy {
    SimpleRetry simple = 1;
    ExponentialBackoffRetry exponential_backoff = 2;
  }
}

message Webhook {
  HttpMethod http_method = 1;
  string url = 2;
  double timeout_s = 3;
  RetryConfig retry = 4;
}

message PaginationIn {
  int32 limit = 1;
  optional string cursor = 2;
}

message PaginationOut {
  optional string next_cursor = 1;
  bool has_more = 2;
}

message Etag {
  string value = 1;
}

message RequestPrecondition {
  enum PreconditionType {
    PreconditionType_UNKNOWN = 0;
    // Only perform operation if the resource exists. Only makes sense in PUT
    // operations.
    MUST_EXIST = 2;
    // Only perform operation if the resource does **not** exist. Only makes sense
    // in PUT operations.
    MUST_NOT_EXIST = 3;
    // Only perform operation if existing resource matches the provided etag.
    MUST_MATCH = 4;
    // Only perform operation if existing resource does **not** match the
    // provided etag.
    MUST_NOT_MATCH = 5;
  }
  PreconditionType precondition_type = 1;
  // Only set on IF_MATCH and IF_NOT_MATCH.
  Etag etag = 2;
}

enum UpsertEffect {
  UpsertEffect_UNKNOWN = 0;
  CREATED = 1;
  MODIFIED = 2; // aka. OK
  NOT_MODIFIED = 3; // No change
}

message DateTime {
  string rfc3339 = 1;
}

// Model Ids
message ProjectId {
  string value = 1;
}

message TriggerId {
  string value = 1;
}

message RunId {
  string value = 1;
}

message AttemptId {
  string value = 1;
}