#pragma once

#include <cstdint>

#include "event_bus.h"

namespace roro {

struct StorageState {
    bool present = false;
    uint64_t totalBytes = 0;
    uint64_t usedBytes = 0;
    int usedPercent = 0;
    int level = 0;  // 0, 80, 90 or 100 (full)
    bool logsAllowed = false;
    bool capturesAllowed = false;
};

// Applies the SD card rules (see CONTEXT.md): Storage Warning once per boot past 80 %, Logs stop
// past 90 % to keep room for Captures, Captures stop when the card is full.
class StorageMonitor {
   public:
    static constexpr uint64_t kFullReserveBytes = 2ull * 1024 * 1024;

    explicit StorageMonitor(EventBus& bus) : bus_(bus) {}

    void update(bool present, uint64_t totalBytes, uint64_t usedBytes);
    const StorageState& state() const { return state_; }

   private:
    EventBus& bus_;
    StorageState state_;
    bool warned_ = false;
};

}  // namespace roro