#pragma once

#include <cstdint>
#include <string>
#include <vector>

#include "scan_entry.h"

namespace roro {

// Writes what Wi-Fi Tools already sees (access points, channel, signal) to a CSV Log, so the user
// can track their own Wi-Fi environment over time. One row per access point per logged scan.
namespace scanlog {

// A CSV field, quoted when it contains a comma, quote or newline.
std::string csvField(const std::string& value);

// The header row (no trailing newline).
std::string header();

// One data row for an access point seen at `timestamp` (a preformatted local time string).
std::string row(const std::string& timestamp, const ScanEntry& ap);

}  // namespace scanlog

// Decides when to write a scan to the Log: at most once per interval.
class ScanLogThrottle {
   public:
    explicit ScanLogThrottle(uint32_t intervalMs) : intervalMs_(intervalMs) {}
    bool due(uint32_t nowMs) const { return !logged_ || nowMs - lastMs_ >= intervalMs_; }
    void logged(uint32_t nowMs) {
        lastMs_ = nowMs;
        logged_ = true;
    }
    void reset() { logged_ = false; }

   private:
    uint32_t intervalMs_;
    uint32_t lastMs_ = 0;
    bool logged_ = false;
};

}  // namespace roro