using System;
using System.Collections.Generic;
using System.Linq;
using Paca.Browser;
using Paca.Browser.Media;
using Xunit;

namespace Paca.Tests.Browser;

public class ChromeMediaSessionAdvancedTests
{
    [Fact]
    public void MediaSessionCoordinator_Generates_Advanced_Control_Scripts()
    {
        var coordinator = new MediaSessionCoordinator();

        var muteScript = coordinator.GenerateMuteToggleScript();
        Assert.Contains("media.muted = !media.muted", muteScript);

        var seekScript = coordinator.GenerateSeekScript(15.0);
        Assert.Contains("currentTime", seekScript);
        Assert.Contains("15", seekScript);

        var volumeScript = coordinator.GenerateSetVolumeScript(0.75);
        Assert.Contains("media.volume = 0.75", volumeScript);

        var speedScript = coordinator.GeneratePlaybackRateScript(1.5);
        Assert.Contains("media.playbackRate = 1.5", speedScript);
    }

    [Fact]
    public void MediaSessionCoordinator_Mutes_All_Other_Tabs()
    {
        var coordinator = new MediaSessionCoordinator();
        var tab1 = Guid.NewGuid();
        var tab2 = Guid.NewGuid();
        var tab3 = Guid.NewGuid();

        var muteStates = new Dictionary<Guid, bool>
        {
            [tab1] = false,
            [tab2] = false,
            [tab3] = false,
        };

        coordinator.MuteAllOtherTabs(tab1, new[] { tab1, tab2, tab3 }, (id, mute) => muteStates[id] = mute);

        Assert.False(muteStates[tab1]);
        Assert.True(muteStates[tab2]);
        Assert.True(muteStates[tab3]);
    }

    [Fact]
    public void ChromeTabAudioPolicy_Enforces_SingleTabAudio_And_MuteByDefault()
    {
        var policy = new ChromeTabAudioPolicy(ChromeTabAudioMode.SingleTabAudioOnly);

        var currentTab = Guid.NewGuid();
        var otherTab1 = Guid.NewGuid();
        var otherTab2 = Guid.NewGuid();

        var toMute = policy.EvaluateAutoMuteOnNewPlayback(currentTab, new[] { otherTab1, otherTab2 });
        Assert.Equal(2, toMute.Count);
        Assert.Contains(otherTab1, toMute);
        Assert.Contains(otherTab2, toMute);

        // Standard mode doesn't auto-mute others
        var stdPolicy = new ChromeTabAudioPolicy(ChromeTabAudioMode.Standard);
        Assert.Empty(stdPolicy.EvaluateAutoMuteOnNewPlayback(currentTab, new[] { otherTab1, otherTab2 }));

        // MuteByDefault mode
        var muteByDefaultPolicy = new ChromeTabAudioPolicy(ChromeTabAudioMode.MuteByDefault);
        Assert.True(muteByDefaultPolicy.ShouldMuteNewTab("https://youtube.com"));
        Assert.False(stdPolicy.ShouldMuteNewTab("https://youtube.com"));
    }

    [Theory]
    [InlineData("다른 탭 음소거")]
    [InlineData("모든 다른 탭 음소거")]
    [InlineData("mute others")]
    public void Omnibox_Matches_MuteOthers_Action(string query)
    {
        var actions = OmniboxActionEvaluator.GetMatchingActions(query);
        Assert.Contains(actions, a => a.ActionId == "action:mute-others");
    }
}