// Copyright 2020 Google LLC. All Rights Reserved. This file and proprietary
// source code may only be used and distributed under the Widevine License
// Agreement.
//
// Take a line as input, parse the metrics, and returns MediaMetrics
// structure as output.

#include <string>
#include <utility>
#include <vector>

namespace metrics_dump {

// This is the order of metrics prior to R release, do not change.
// We use this to index into a vector of tokens to retrieve metrics.
typedef enum {
  kIndexQ,
  kVersionQ,
  kComponentQ,
  kSessionQ,
  kUidQ,
  kPackageQ,
  kPackageVersionQ,
  kPidQ,
  kFinalizedQ,
  kTimestampQ,
  kItemCountQ,
  // kPropertiesQ serves as a sentinel to indicate properties follow
  kPropertiesQ,
} QMediaMetricsItems;

// This is the order of metrics since R release, do not change.
// We use this to index into a vector of tokens to retrieve metrics.
typedef enum {
  kIndexR,
  kComponentR,
  kTimestampR,
  kPackageR,
  kPidR,
  kUidR,
  // kPropertiesR serves as a sentinel to indicate properties follow
  kPropertiesR,
} RMediaMetricsItems;

typedef struct {
  std::string component, finalized, index, item_count;
  std::string package, package_version, pid, session;
  std::string timestamp, version, uid;
  std::vector<std::pair<std::string, std::string>> properties;
} MediaMetrics;

bool is_q_metrics(const std::string &line);
void parse_metrics(const std::string& line, MediaMetrics* metrics);
void to_lower(std::string& lower);

};  // namespace metrics_dump