/* Copyright 2017-2018 ccls Authors

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==============================================================================*/

#pragma once

#include "lsp.h"

enum class lsDiagnosticSeverity {
  // Reports an error.
  Error = 1,
  // Reports a warning.
  Warning = 2,
  // Reports an information.
  Information = 3,
  // Reports a hint.
  Hint = 4
};
MAKE_REFLECT_TYPE_PROXY(lsDiagnosticSeverity);

struct lsDiagnostic {
  // The range at which the message applies.
  lsRange range;

  // The diagnostic's severity. Can be omitted. If omitted it is up to the
  // client to interpret diagnostics as error, warning, info or hint.
  std::optional<lsDiagnosticSeverity> severity;

  // The diagnostic's code. Can be omitted.
  int code = 0;

  // A human-readable string describing the source of this
  // diagnostic, e.g. 'typescript' or 'super lint'.
  std::string source = "ccls";

  // The diagnostic's message.
  std::string message;

  // Non-serialized set of fixits.
  std::vector<lsTextEdit> fixits_;
};
MAKE_REFLECT_STRUCT(lsDiagnostic, range, severity, source, message);

enum class lsErrorCodes {
  // Defined by JSON RPC
  ParseError = -32700,
  InvalidRequest = -32600,
  MethodNotFound = -32601,
  InvalidParams = -32602,
  InternalError = -32603,
  serverErrorStart = -32099,
  serverErrorEnd = -32000,
  ServerNotInitialized = -32002,
  UnknownErrorCode = -32001,

  // Defined by the protocol.
  RequestCancelled = -32800,
};
MAKE_REFLECT_TYPE_PROXY(lsErrorCodes);
struct Out_Error : public lsOutMessage<Out_Error> {
  struct lsResponseError {
    // A number indicating the error type that occurred.
    lsErrorCodes code;

    // A string providing a short description of the error.
    std::string message;

    // A Primitive or Structured value that contains additional
    // information about the error. Can be omitted.
    // std::optional<D> data;
  };

  lsRequestId id;

  // The error object in case a request fails.
  lsResponseError error;
};
MAKE_REFLECT_STRUCT(Out_Error::lsResponseError, code, message);
MAKE_REFLECT_STRUCT(Out_Error, jsonrpc, id, error);

// Diagnostics
struct Out_TextDocumentPublishDiagnostics
    : public lsOutMessage<Out_TextDocumentPublishDiagnostics> {
  struct Params {
    // The URI for which diagnostic information is reported.
    lsDocumentUri uri;

    // An array of diagnostic information items.
    std::vector<lsDiagnostic> diagnostics;
  };

  Params params;
};
template <typename TVisitor>
void Reflect(TVisitor &visitor, Out_TextDocumentPublishDiagnostics &value) {
  std::string method = "textDocument/publishDiagnostics";
  REFLECT_MEMBER_START();
  REFLECT_MEMBER(jsonrpc);
  REFLECT_MEMBER2("method", method);
  REFLECT_MEMBER(params);
  REFLECT_MEMBER_END();
}
MAKE_REFLECT_STRUCT(Out_TextDocumentPublishDiagnostics::Params, uri,
                    diagnostics);