using Paca.App.Core;
using Paca.App.ViewModels;
using Paca.Core.Config;
using Xunit;

namespace Paca.Tests.Browser;

public class DownloadActiveStateTests
{
    [Theory]
    [InlineData("대기", false)]
    [InlineData("일시정지", false)]
    [InlineData("완료", false)]
    [InlineData("오류", false)]
    [InlineData("취소됨", false)]
    [InlineData("다운로드 중", true)]
    [InlineData("병합 중", true)]
    [InlineData("리먹스 중", true)]
    [InlineData("대기 중", true)]
    [InlineData("예약 대기", true)]
    [InlineData("속도제한 대기", true)]
    public void IsActiveDownload_상태별_활성_여부_정확성_검증(string status, bool expectedActive)
    {
        var item = new DownloadItemViewModel("Test Video")
        {
            Status = status
        };

        Assert.Equal(expectedActive, item.IsActiveDownload);
    }

    [Fact]
    public void 단순_감지된_미디어는_ActiveDownloadsCount에_포함되지_않는다()
    {
        var cfg = new AppConfig();
        var manager = new DownloadManager(cfg, _ => Task.FromResult(new List<Microsoft.Web.WebView2.Core.CoreWebView2Cookie>()), _ => { });

        // 단순 감지된 미디어 등록 (초기 Status: "대기")
        var detected1 = new DownloadItemViewModel("Detected 1") { Status = "대기" };
        var detected2 = new DownloadItemViewModel("Detected 2") { Status = "대기" };
        var completed = new DownloadItemViewModel("Done 1") { Status = "완료" };
        var active = new DownloadItemViewModel("Active 1") { Status = "다운로드 중" };

        manager.Items.Add(detected1);
        manager.Items.Add(detected2);
        manager.Items.Add(completed);
        manager.Items.Add(active);

        // 오직 실제 다운로드 중인 1건만 카운트되어야 함
        Assert.Equal(1, manager.ActiveDownloadsCount);
    }

    [Fact]
    public void DownloadManager_배터리_절전_모드_연동_PowerManager_인스턴스_및_상태_제어_검증()
    {
        var cfg = new AppConfig { EnableBatterySaver = true };
        var manager = new DownloadManager(cfg, _ => Task.FromResult(new List<Microsoft.Web.WebView2.Core.CoreWebView2Cookie>()), _ => { });

        Assert.NotNull(manager.PowerManager);
        manager.PowerManager.UpdateBatteryState(percent: 15, isCharging: false);
        Assert.True(manager.PowerManager.IsLowPowerModeActive);
    }
}