using JdeScoping.ConfigManager.Core.Models;

namespace JdeScoping.ConfigManager.Core.Tests.Models;

public class ConnectionStringEntryTests
{
    [Fact]
    public void GenerateConnectionString_SqlServer_ProducesCorrectFormat()
    {
        // Arrange
        var entry = new ConnectionStringEntry
        {
            Provider = ConnectionProvider.SqlServer,
            Server = "localhost\\SQLEXPRESS",
            Database = "TestDb",
            UserId = "sa",
            Password = "secret123",
            Encrypt = "True",
            TrustServerCertificate = true,
            ConnectionTimeout = 60,
            ApplicationName = "TestApp"
        };

        // Act
        var result = entry.GenerateConnectionString();

        // Assert
        result.ShouldContain("Server=localhost\\SQLEXPRESS");
        result.ShouldContain("Database=TestDb");
        result.ShouldContain("User Id=sa");
        result.ShouldContain("Password=secret123");
        result.ShouldContain("Encrypt=True");
        result.ShouldContain("TrustServerCertificate=True");
        result.ShouldContain("Connection Timeout=60");
        result.ShouldContain("Application Name=TestApp");
    }

    [Fact]
    public void GenerateConnectionString_SqlServer_OmitsDefaultTimeout()
    {
        // Arrange
        var entry = new ConnectionStringEntry
        {
            Provider = ConnectionProvider.SqlServer,
            Server = "localhost",
            Database = "TestDb",
            UserId = "user",
            Password = "pass",
            ConnectionTimeout = 30 // Default value
        };

        // Act
        var result = entry.GenerateConnectionString();

        // Assert
        result.ShouldNotContain("Connection Timeout=");
    }

    [Fact]
    public void GenerateConnectionString_Oracle_ProducesEZConnectFormat()
    {
        // Arrange
        var entry = new ConnectionStringEntry
        {
            Provider = ConnectionProvider.Oracle,
            Host = "oracle-server.example.com",
            Port = 1522,
            ServiceName = "ORCL",
            UserId = "scott",
            Password = "tiger"
        };

        // Act
        var result = entry.GenerateConnectionString();

        // Assert
        result.ShouldContain("Data Source=//oracle-server.example.com:1522/ORCL");
        result.ShouldContain("User Id=scott");
        result.ShouldContain("Password=tiger");
    }

    [Fact]
    public void GenerateConnectionString_Generic_ReturnsRawString()
    {
        // Arrange
        var rawConnString = "Driver={ODBC Driver};Server=myserver;Database=mydb;";
        var entry = new ConnectionStringEntry
        {
            Provider = ConnectionProvider.Generic,
            RawConnectionString = rawConnString
        };

        // Act
        var result = entry.GenerateConnectionString();

        // Assert
        result.ShouldBe(rawConnString);
    }

    [Fact]
    public void DefaultValues_AreCorrect()
    {
        // Act
        var entry = new ConnectionStringEntry();

        // Assert
        entry.Name.ShouldBe(string.Empty);
        entry.Provider.ShouldBe(ConnectionProvider.Generic);
        entry.Server.ShouldBeNull();
        entry.SqlServerPort.ShouldBeNull();
        entry.Database.ShouldBeNull();
        entry.UserId.ShouldBeNull();
        entry.Password.ShouldBeNull();
        entry.Encrypt.ShouldBe("True");
        entry.TrustServerCertificate.ShouldBeFalse();
        entry.ConnectionTimeout.ShouldBe(30);
        entry.ApplicationName.ShouldBeNull();
        entry.Host.ShouldBeNull();
        entry.Port.ShouldBe(1521);
        entry.ServiceName.ShouldBeNull();
        entry.RawConnectionString.ShouldBeNull();
    }

    [Fact]
    public void GenerateConnectionString_SqlServer_WithPort_IncludesPortInServer()
    {
        // Arrange
        var entry = new ConnectionStringEntry
        {
            Provider = ConnectionProvider.SqlServer,
            Server = "localhost",
            SqlServerPort = 1434,
            Database = "TestDb",
            UserId = "sa",
            Password = "secret123"
        };

        // Act
        var result = entry.GenerateConnectionString();

        // Assert
        result.ShouldContain("Server=localhost,1434");
        result.ShouldContain("Database=TestDb");
    }

    [Fact]
    public void GenerateConnectionString_SqlServer_WithoutPort_NoPortInServer()
    {
        // Arrange
        var entry = new ConnectionStringEntry
        {
            Provider = ConnectionProvider.SqlServer,
            Server = "localhost",
            SqlServerPort = null,
            Database = "TestDb",
            UserId = "sa",
            Password = "secret123"
        };

        // Act
        var result = entry.GenerateConnectionString();

        // Assert
        result.ShouldContain("Server=localhost;");
        result.ShouldNotContain("Server=localhost,");
    }

    [Fact]
    public void GenerateConnectionString_SqlServer_WithZeroPort_NoPortInServer()
    {
        // Arrange
        var entry = new ConnectionStringEntry
        {
            Provider = ConnectionProvider.SqlServer,
            Server = "localhost",
            SqlServerPort = 0,
            Database = "TestDb",
            UserId = "sa",
            Password = "secret123"
        };

        // Act
        var result = entry.GenerateConnectionString();

        // Assert
        result.ShouldContain("Server=localhost;");
        result.ShouldNotContain("Server=localhost,");
    }
}