#include "debug_log.h"
#include <cstdarg>
#include <cstdio>
#include "ring_buffer.h"

namespace {

constexpr uint16_t LOG_CAP = 32;
ring_buffer<log_entry, LOG_CAP> buf;

} // namespace

void dlog(std::string_view msg) {
    buf.push_overwrite(log_entry{static_cast<uint32_t>(time_us_32()), std::string(msg)});
}

void dlogf(const char* fmt, ...) {
    char b[128];
    va_list args;
    va_start(args, fmt);
    vsnprintf(b, sizeof(b), fmt, args);
    va_end(args);
    dlog(b);
}

log_view log_entries() {
    return log_view{buf.data.data(), buf.head, LOG_CAP, buf.used()};
}