#include "audio/audio_manager.h"
#include <gtest/gtest.h>

using namespace radiantwave::audio;

TEST(AudioTest, FriendlyDeviceNameMapping) {
    EXPECT_EQ(mapToFriendlyDeviceName("alsa_output.pci-0000_00_1f.3.analog-stereo"), "Built-In Speakers");
    EXPECT_EQ(mapToFriendlyDeviceName("AMD Radeon HD Audio Controller HDMI"), "TV / HDMI Monitor");
    EXPECT_EQ(mapToFriendlyDeviceName("USB Audio Headset Dongle"), "USB Audio Device");
    EXPECT_EQ(mapToFriendlyDeviceName("bluez_sink.00_11_22_33_44_55"), "Bluetooth Audio");
    EXPECT_EQ(mapToFriendlyDeviceName(""), "Default Audio Output");
}

TEST(AudioTest, ResolvePlaybackDeviceNameHandlesSentinels) {
    // The sentinel and 0 mean "system default" and never correspond to a real
    // enumerated playback device, so they resolve to the empty (default) name.
    EXPECT_EQ(AudioManager::resolvePlaybackDeviceName(0), "");
    EXPECT_EQ(AudioManager::resolvePlaybackDeviceName(SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK), "");
}

TEST(AudioTest, GetPlaybackDevicesFallsBackWithIdZeroWhenNone) {
    AudioManager am;
    auto devices = am.getPlaybackDevices();
    // Headless hosts (CI) expose no playback devices, so expect the synthetic
    // fallback entry that carries id 0 (the "system default" marker).
    if (devices.empty()) {
        // No devices and no fallback would be a contract violation.
        FAIL() << "getPlaybackDevices() returned an empty list without fallback";
    }
    for (const auto& d : devices) {
        if (d.raw_name.empty()) {
            EXPECT_EQ(d.id, 0u);
        }
    }
}

TEST(AudioTest, AudioManagerVolumeClamping) {
    radiantwave::config::ConfigManager config;
    std::string temp_path = (std::filesystem::temp_directory_path() / "test_rw_audio_cfg.yaml").string();
    if (std::filesystem::exists(temp_path)) {
        std::filesystem::remove(temp_path);
    }

    ASSERT_TRUE(config.initialize(temp_path));

    AudioManager am;
    // Test initialization without audio device (graceful fallback)
    am.initialize(config);

    am.setVolume(150);
    EXPECT_EQ(am.getVolume(), 100);

    am.setVolume(-20);
    EXPECT_EQ(am.getVolume(), 0);

    am.setVolume(75);
    EXPECT_EQ(am.getVolume(), 75);

    am.shutdown();
    std::filesystem::remove(temp_path);
}