using Microsoft.Extensions.Options;
using Omika.Data.Configuration;

namespace Omika.Tests.Connection;

public class ServiceConnectionOptionsValidatorTests
{
    private static ServiceConnectionOptions CreateValidOptions() => new()
    {
        Server = "127.0.0.1",
        Port = 4900,
        DatabaseName = "BATIK.01_BLS",
        Login = "susana"
    };

    [Fact]
    public void Validate_ValidOptions_ReturnsSuccess()
    {
        var result = ServiceConnectionOptionsValidator.Validate(CreateValidOptions());

        Assert.True(result.IsSuccess);
    }

    [Fact]
    public void Validate_MissingServer_ReturnsFailure()
    {
        var options = CreateValidOptions();
        options.Server = null;

        var result = ServiceConnectionOptionsValidator.Validate(options);

        Assert.True(result.IsFailure);
        Assert.Contains(result.Errors, e => e.Contains("serveur", StringComparison.OrdinalIgnoreCase));
    }

    [Fact]
    public void Validate_InvalidPort_ReturnsFailure()
    {
        var options = CreateValidOptions();
        options.Port = 0;

        var result = ServiceConnectionOptionsValidator.Validate(options);

        Assert.True(result.IsFailure);
        Assert.Contains(result.Errors, e => e.Contains("port", StringComparison.OrdinalIgnoreCase));
    }

    [Fact]
    public void Validate_MissingDatabase_ReturnsFailure()
    {
        var options = CreateValidOptions();
        options.DatabaseName = null;

        var result = ServiceConnectionOptionsValidator.Validate(options);

        Assert.True(result.IsFailure);
        Assert.Contains(result.Errors, e => e.Contains("base", StringComparison.OrdinalIgnoreCase));
    }

    [Fact]
    public void Validate_MissingLogin_ReturnsFailure()
    {
        var options = CreateValidOptions();
        options.Login = null;

        var result = ServiceConnectionOptionsValidator.Validate(options);

        Assert.True(result.IsFailure);
        Assert.Contains(result.Errors, e => e.Contains("compte", StringComparison.OrdinalIgnoreCase));
    }

    [Fact]
    public void Validate_NullPassword_IsAccepted()
    {
        var options = CreateValidOptions();
        options.Password = null;

        var result = ServiceConnectionOptionsValidator.Validate(options);

        Assert.True(result.IsSuccess);
    }

    [Fact]
    public void Validate_EmptyPassword_IsAccepted()
    {
        var options = CreateValidOptions();
        options.Password = "";

        var result = ServiceConnectionOptionsValidator.Validate(options);

        Assert.True(result.IsSuccess);
    }

    [Fact]
    public void Validate_WhitespacePassword_IsAccepted()
    {
        var options = CreateValidOptions();
        options.Password = "   ";

        var result = ServiceConnectionOptionsValidator.Validate(options);

        Assert.True(result.IsSuccess);
    }

    [Fact]
    public void Validate_SetPassword_IsAccepted()
    {
        var options = CreateValidOptions();
        options.Password = "secret";

        var result = ServiceConnectionOptionsValidator.Validate(options);

        Assert.True(result.IsSuccess);
    }

    [Fact]
    public void Validate_ImplementsIValidateOptions()
    {
        var validator = new ServiceConnectionOptionsValidator();

        Assert.IsAssignableFrom<IValidateOptions<ServiceConnectionOptions>>(validator);
    }

    [Fact]
    public void ValidateOptions_Valid_ReturnsSuccess()
    {
        IValidateOptions<ServiceConnectionOptions> validator = new ServiceConnectionOptionsValidator();

        var result = validator.Validate(null, CreateValidOptions());

        Assert.Equal(ValidateOptionsResult.Success, result);
    }

    [Fact]
    public void ValidateOptions_Invalid_ReturnsFailure()
    {
        IValidateOptions<ServiceConnectionOptions> validator = new ServiceConnectionOptionsValidator();
        var options = CreateValidOptions();
        options.Server = null;

        var result = validator.Validate(null, options);

        Assert.True(result.Failed);
        Assert.Contains(result.Failures, e => e.Contains("serveur", StringComparison.OrdinalIgnoreCase));
    }

    [Fact]
    public void ToString_DoesNotExposePassword()
    {
        var options = CreateValidOptions();
        options.Password = "secret";
        options.FilePasswords.ProtectionStd = "secret-std";

        var text = options.ToString();

        Assert.DoesNotContain("secret", text, StringComparison.OrdinalIgnoreCase);
    }
}