// tail_control — pure implementation. See tail_control.h. NO REAPER / SWELL / vendor.

#include "tail_control.h"

#include <algorithm>

namespace reasampler {

TailMode cycleTailMode(TailMode current) {
    switch (current) {
        case TailMode::None:   return TailMode::Auto;
        case TailMode::Auto:   return TailMode::Manual;
        case TailMode::Manual: return TailMode::None;
    }
    return TailMode::None;  // unreachable for a valid enum; fail to the safe default
}

double clampManualMs(double manualMs) {
    // Same runaway guard the pure tailRenderSettingsFor applies to Manual: floor a
    // negative request to 0, cap at the 8 s ceiling.
    return std::clamp(manualMs, 0.0, kMaxTailMs);
}

std::string tailToggleLabel(const TailSetting& setting) {
    switch (setting.mode) {
        case TailMode::None:   return "Tail: Off";
        case TailMode::Auto:   return "Tail: Auto";
        case TailMode::Manual: return "Tail: Manual";
    }
    return "Tail: Off";  // unreachable for a valid enum; fail to the safe default
}

} // namespace reasampler