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

namespace JdeScoping.ConfigManager.Cli.Tests.Commands;

[Collection("Console Tests")]
public class SecretCommandsTests
{
    private readonly IServiceProvider _serviceProvider;
    private readonly IConfigFileService _configFileService;
    private readonly IAutoDiscoveryService _autoDiscoveryService;
    private readonly ISecureStoreManager _secureStoreManager;
    private readonly Option<string?> _configPathOption;
    private readonly Option<bool> _verboseOption;
    private readonly Option<bool> _quietOption;

    public SecretCommandsTests()
    {
        _configFileService = Substitute.For<IConfigFileService>();
        _autoDiscoveryService = Substitute.For<IAutoDiscoveryService>();
        _secureStoreManager = Substitute.For<ISecureStoreManager>();

        var services = new ServiceCollection();
        services.AddSingleton(_configFileService);
        services.AddSingleton(_autoDiscoveryService);
        services.AddSingleton(_secureStoreManager);
        services.AddTestLogging();
        _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 CreateListCommand_ReturnsCommand()
    {
        // Act
        var command = SecretCommands.CreateListCommand(
            _serviceProvider, _configPathOption, _verboseOption, _quietOption);

        // Assert
        command.ShouldNotBeNull();
        command.Name.ShouldBe("list");
        command.Description.ShouldBe("List all secret keys");
    }

    [Fact]
    public void CreateGetCommand_ReturnsCommandWithKeyArgument()
    {
        // Act
        var command = SecretCommands.CreateGetCommand(
            _serviceProvider, _configPathOption, _verboseOption, _quietOption);

        // Assert
        command.ShouldNotBeNull();
        command.Name.ShouldBe("get");
        command.Description.ShouldBe("Get a secret value");
        command.Arguments.ShouldContain(a => a.Name == "key");
    }

    [Fact]
    public void CreateSetCommand_ReturnsCommandWithKeyAndValueArguments()
    {
        // Act
        var command = SecretCommands.CreateSetCommand(
            _serviceProvider, _configPathOption, _verboseOption, _quietOption);

        // Assert
        command.ShouldNotBeNull();
        command.Name.ShouldBe("set");
        command.Description.ShouldBe("Set or update a secret");
        command.Arguments.ShouldContain(a => a.Name == "key");
        command.Arguments.ShouldContain(a => a.Name == "value");
    }

    [Fact]
    public void CreateRemoveCommand_ReturnsCommandWithKeyArgument()
    {
        // Act
        var command = SecretCommands.CreateRemoveCommand(
            _serviceProvider, _configPathOption, _verboseOption, _quietOption);

        // Assert
        command.ShouldNotBeNull();
        command.Name.ShouldBe("remove");
        command.Description.ShouldBe("Remove a secret");
        command.Arguments.ShouldContain(a => a.Name == "key");
    }

    [Fact]
    public void CreateInitCommand_ReturnsCommandWithOptions()
    {
        // Act
        var command = SecretCommands.CreateInitCommand(
            _serviceProvider, _configPathOption, _verboseOption, _quietOption);

        // Assert
        command.ShouldNotBeNull();
        command.Name.ShouldBe("init");
        command.Description.ShouldBe("Initialize a new SecureStore");
        command.Options.ShouldContain(o => o.Name == "store");
        command.Options.ShouldContain(o => o.Name == "key");
    }

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

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

        // Act
        var exitCode = await rootCommand.InvokeAsync(["list"]);

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

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

        var storePath = Path.Combine(tempDir, "data", "secrets.json");
        var keyPath = Path.Combine(tempDir, "data", "secrets.key");
        Directory.CreateDirectory(Path.Combine(tempDir, "data"));
        File.WriteAllText(storePath, "{}");
        File.WriteAllText(keyPath, "test-key");

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

            var config = new ConfigModel
            {
                SecureStore = new SecureStoreSection
                {
                    StorePath = "data/secrets.json",
                    KeyFilePath = "data/secrets.key"
                }
            };

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

            _secureStoreManager.When(m => m.GetSecret("nonexistent"))
                .Throw(new KeyNotFoundException("Secret 'nonexistent' not found"));

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

            // Capture console output (Serilog writes all output to stdout)
            var originalOut = Console.Out;
            using var writer = new StringWriter();
            Console.SetOut(writer);

            try
            {
                // Act
                await rootCommand.InvokeAsync(["get", "nonexistent"]);

                // Assert
                var output = writer.ToString();
                output.ShouldContain("not found");
            }
            finally
            {
                Console.SetOut(originalOut);
            }
        }
        finally
        {
            Directory.Delete(tempDir, true);
        }
    }

    [Fact]
    public void InitCommand_HasCorrectOptions()
    {
        // Arrange & Act
        var command = SecretCommands.CreateInitCommand(
            _serviceProvider, _configPathOption, _verboseOption, _quietOption);

        // Assert
        var storeOption = command.Options.FirstOrDefault(o => o.Name == "store");
        var keyOption = command.Options.FirstOrDefault(o => o.Name == "key");

        storeOption.ShouldNotBeNull();
        keyOption.ShouldNotBeNull();
    }
}