using System.CommandLine;
using JdeScoping.ConfigManager.Cli.Commands;
using JdeScoping.ConfigManager.Core.Models;
using JdeScoping.ConfigManager.Core.Services;
using Microsoft.Extensions.DependencyInjection;

namespace JdeScoping.ConfigManager.Cli.Tests.Commands;

public class ConfigCommandsTests
{
    private readonly IServiceProvider _serviceProvider;
    private readonly IConfigFileService _configFileService;
    private readonly IAutoDiscoveryService _autoDiscoveryService;
    private readonly Option<string?> _configPathOption;
    private readonly Option<bool> _verboseOption;
    private readonly Option<bool> _quietOption;

    public ConfigCommandsTests()
    {
        _configFileService = Substitute.For<IConfigFileService>();
        _autoDiscoveryService = Substitute.For<IAutoDiscoveryService>();

        var services = new ServiceCollection();
        services.AddSingleton(_configFileService);
        services.AddSingleton(_autoDiscoveryService);
        _serviceProvider = services.BuildServiceProvider();

        _configPathOption = new Option<string?>(["--config-path", "-c"]);
        _verboseOption = new Option<bool>(["--verbose", "-v"]);
        _quietOption = new Option<bool>(["--quiet", "-q"]);
    }

    [Fact]
    public void CreateShowCommand_ReturnsCommandWithSubcommands()
    {
        // Act
        var command = ConfigCommands.CreateShowCommand(
            _serviceProvider, _configPathOption, _verboseOption, _quietOption);

        // Assert
        command.ShouldNotBeNull();
        command.Name.ShouldBe("show");
        command.Subcommands.ShouldContain(c => c.Name == "datasync");
        command.Subcommands.ShouldContain(c => c.Name == "dataaccess");
        command.Subcommands.ShouldContain(c => c.Name == "auth");
        command.Subcommands.ShouldContain(c => c.Name == "ldap");
        command.Subcommands.ShouldContain(c => c.Name == "search");
        command.Subcommands.ShouldContain(c => c.Name == "excelexport");
        command.Subcommands.ShouldContain(c => c.Name == "securestore");
        command.Subcommands.ShouldContain(c => c.Name == "connections");
        command.Subcommands.ShouldContain(c => c.Name == "all");
    }

    [Fact]
    public void CreateShowCommand_HasJsonOption()
    {
        // Act
        var command = ConfigCommands.CreateShowCommand(
            _serviceProvider, _configPathOption, _verboseOption, _quietOption);

        // Assert
        command.Options.ShouldContain(o => o.Name == "json");
    }

    [Fact]
    public async Task ShowDataSyncCommand_WithNoConfigFolder_ReturnsError()
    {
        // Arrange
        _autoDiscoveryService.FindConfigFolderAsync(Arg.Any<CancellationToken>())
            .Returns(Task.FromResult<string?>(null));

        var command = ConfigCommands.CreateShowCommand(
            _serviceProvider, _configPathOption, _verboseOption, _quietOption);
        var rootCommand = new RootCommand { command };
        rootCommand.AddGlobalOption(_configPathOption);
        rootCommand.AddGlobalOption(_verboseOption);
        rootCommand.AddGlobalOption(_quietOption);

        // Act
        var exitCode = await rootCommand.InvokeAsync(["show", "datasync"]);

        // Assert - command completes without throwing
        command.ShouldNotBeNull();
    }

    [Fact]
    public void DataSyncSubcommand_Exists()
    {
        // Arrange
        var command = ConfigCommands.CreateShowCommand(
            _serviceProvider, _configPathOption, _verboseOption, _quietOption);

        // Act
        var datasyncSubcommand = command.Subcommands.FirstOrDefault(c => c.Name == "datasync");

        // Assert
        datasyncSubcommand.ShouldNotBeNull();
        datasyncSubcommand.Description.ShouldBe("Show DataSync configuration");
    }

    [Fact]
    public async Task ShowConnectionsCommand_MasksNoPasswords()
    {
        // Arrange
        var tempDir = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
        Directory.CreateDirectory(tempDir);
        var appSettingsPath = Path.Combine(tempDir, "appsettings.json");
        File.WriteAllText(appSettingsPath, "{}");

        try
        {
            _autoDiscoveryService.FindConfigFolderAsync(Arg.Any<CancellationToken>())
                .Returns(Task.FromResult<string?>(tempDir));

            var config = new ConfigModel
            {
                ConnectionStrings = new ConnectionStringsSection
                {
                    Entries =
                    [
                        new ConnectionStringEntry
                        {
                            Name = "TestConnection",
                            Provider = ConnectionProvider.SqlServer,
                            Server = "localhost",
                            Password = "secret123"
                        }
                    ]
                }
            };

            _configFileService.LoadAppSettingsAsync(appSettingsPath, Arg.Any<CancellationToken>())
                .Returns(Task.FromResult(config));

            var command = ConfigCommands.CreateShowCommand(
                _serviceProvider, _configPathOption, _verboseOption, _quietOption);
            var rootCommand = new RootCommand { command };
            rootCommand.AddGlobalOption(_configPathOption);
            rootCommand.AddGlobalOption(_verboseOption);
            rootCommand.AddGlobalOption(_quietOption);

            // Capture console output
            var originalOut = Console.Out;
            using var writer = new StringWriter();
            Console.SetOut(writer);

            try
            {
                // Act
                await rootCommand.InvokeAsync(["show", "connections"]);

                // Assert
                var output = writer.ToString();
                output.ShouldContain("TestConnection");
                output.ShouldNotContain("secret123"); // Password should not be visible
            }
            finally
            {
                Console.SetOut(originalOut);
            }
        }
        finally
        {
            Directory.Delete(tempDir, true);
        }
    }

    [Fact]
    public void AllSubcommand_HasJsonOption()
    {
        // Arrange
        var command = ConfigCommands.CreateShowCommand(
            _serviceProvider, _configPathOption, _verboseOption, _quietOption);

        // Act
        var allSubcommand = command.Subcommands.FirstOrDefault(c => c.Name == "all");

        // Assert
        allSubcommand.ShouldNotBeNull();
        // The json option is on the parent show command
        command.Options.ShouldContain(o => o.Name == "json");
    }
}