#pragma once

#include <cstdint>
#include <expected>
#include <optional>
#include <string>
#include <string_view>

#include "cvmmap_streamer/ipc/contracts.hpp"

namespace cvmmap_streamer::sim {

struct RuntimeConfig {
  std::uint32_t frames{360};
  std::uint32_t fps{60};
  std::uint16_t width{64};
  std::uint16_t height{48};
  std::optional<std::uint32_t> emit_reset_at{};
  std::optional<std::uint32_t> emit_reset_every{};
  std::optional<std::uint32_t> switch_format_at{};
  std::optional<std::uint16_t> switch_width{};
  std::optional<std::uint16_t> switch_height{};
  std::string label{"sim"};
  std::string shm_name{"cvmmap_sim"};
  std::string zmq_endpoint{"ipc:///tmp/cvmmap_sim"};
  std::uint8_t channels{3};
  ipc::Depth depth{ipc::Depth::U8};
  ipc::PixelFormat pixel_format{ipc::PixelFormat::BGR};

  [[nodiscard]]
  std::uint32_t payload_size_bytes() const;
};

enum class ParseStatus {
  Ok,
  Help,
  Error,
};

struct ParseResult {
  ParseStatus status{ParseStatus::Ok};
  RuntimeConfig config{};
  std::string message{};
  int exit_code{0};
};

std::expected<RuntimeConfig, std::string> parse_runtime_config(int argc,
                                                               char **argv);
void print_help();
ParseResult parse_runtime_config_with_cli11(
    int argc, char **argv, std::string_view executable_name = "cvmmap_sim");

} // namespace cvmmap_streamer::sim