using MeetingAssistant.LaunchProfiles;
using Microsoft.Extensions.Configuration;

namespace MeetingAssistant.Tests;

public sealed class LaunchProfileOptionsProviderTests
{
    [Fact]
    public void DefaultProfileUsesRootMeetingAssistantConfiguration()
    {
        var provider = CreateProvider(new Dictionary<string, string?>
        {
            ["MeetingAssistant:Hotkey:Toggle"] = "Ctrl+Alt+M",
            ["MeetingAssistant:Recording:TranscriptionProvider"] = "azure-speech",
            ["MeetingAssistant:AzureSpeech:Language"] = "de-DE"
        });

        var profile = provider.GetRequiredProfile(null);

        Assert.Equal("default", profile.Name);
        Assert.Equal("Ctrl+Alt+M", profile.Options.Hotkey.Toggle);
        Assert.Equal("azure-speech", profile.Options.Recording.TranscriptionProvider);
        Assert.Equal("de-DE", profile.Options.AzureSpeech.Language);
    }

    [Fact]
    public void NamedProfileMergesOverrideOntoDefaultConfiguration()
    {
        var provider = CreateProvider(new Dictionary<string, string?>
        {
            ["MeetingAssistant:Hotkey:Toggle"] = "Ctrl+Alt+M",
            ["MeetingAssistant:Recording:TranscriptionProvider"] = "azure-speech",
            ["MeetingAssistant:AzureSpeech:Region"] = "germanywestcentral",
            ["MeetingAssistant:AzureSpeech:Language"] = "de-DE",
            ["MeetingAssistant:AzureSpeech:AutoDetectLanguages:0"] = "de-DE",
            ["MeetingAssistant:LaunchProfiles:english:Hotkey:Toggle"] = "Ctrl+Alt+E",
            ["MeetingAssistant:LaunchProfiles:english:AzureSpeech:Language"] = "en-US",
            ["MeetingAssistant:LaunchProfiles:english:AzureSpeech:AutoDetectLanguages:0"] = "en-US"
        });

        var profile = provider.GetRequiredProfile("english");

        Assert.Equal("english", profile.Name);
        Assert.Equal("Ctrl+Alt+E", profile.Options.Hotkey.Toggle);
        Assert.Equal("azure-speech", profile.Options.Recording.TranscriptionProvider);
        Assert.Equal("germanywestcentral", profile.Options.AzureSpeech.Region);
        Assert.Equal("en-US", profile.Options.AzureSpeech.Language);
        Assert.Equal(["en-US"], profile.Options.AzureSpeech.AutoDetectLanguages);
    }

    [Fact]
    public void DuplicateProfileHotkeysAreRejected()
    {
        var provider = CreateProvider(new Dictionary<string, string?>
        {
            ["MeetingAssistant:Hotkey:Toggle"] = "Ctrl+Alt+M",
            ["MeetingAssistant:LaunchProfiles:english:Hotkey:Toggle"] = "Ctrl+Alt+M"
        });

        var exception = Assert.Throws<InvalidOperationException>(() => provider.GetHotkeys());
        Assert.Contains("Ctrl+Alt+M", exception.Message, StringComparison.OrdinalIgnoreCase);
    }

    private static ConfigurationLaunchProfileOptionsProvider CreateProvider(
        IReadOnlyDictionary<string, string?> values)
    {
        var configuration = new ConfigurationBuilder()
            .AddInMemoryCollection(values)
            .Build();
        return new ConfigurationLaunchProfileOptionsProvider(configuration);
    }
}