namespace PS.IPAM.Cmdlets;

using System;
using System.Management.Automation;
using PS.IPAM.Helpers;

/// <summary>
/// Creates a new phpIPAM API session.
/// </summary>
[Cmdlet(VerbsCommon.New, "Session", DefaultParameterSetName = "Credentials")]
[OutputType(typeof(Session))]
public class NewSessionCmdlet : BaseCmdlet
{
    [Parameter(
        Mandatory = true,
        ValueFromPipeline = true,
        ValueFromPipelineByPropertyName = true,
        Position = 0,
        HelpMessage = "The phpIPAM server URL (must start with http:// or https://).")]
    [ValidateNotNullOrEmpty]
    [ValidatePattern("^https?://")]
    public string URL { get; set; } = string.Empty;

    [Parameter(
        Mandatory = true,
        ValueFromPipeline = true,
        ValueFromPipelineByPropertyName = true,
        Position = 1,
        HelpMessage = "The API application ID configured in phpIPAM.")]
    [ValidateNotNullOrEmpty]
    public string AppID { get; set; } = string.Empty;

    [Parameter(
        Mandatory = true,
        ValueFromPipeline = true,
        ValueFromPipelineByPropertyName = true,
        Position = 2,
        ParameterSetName = "Credentials",
        HelpMessage = "The credentials (username and password) for authentication.")]
    [ValidateNotNullOrEmpty]
    public PSCredential? Credentials { get; set; }

    [Parameter(
        Mandatory = true,
        ValueFromPipeline = true,
        ValueFromPipelineByPropertyName = true,
        Position = 2,
        ParameterSetName = "Token",
        HelpMessage = "The static API token for authentication.")]
    [ValidateNotNullOrEmpty]
    public string? Token { get; set; }

    [Parameter(
        Mandatory = false,
        ValueFromPipeline = true,
        ValueFromPipelineByPropertyName = true,
        Position = 3,
        HelpMessage = "If specified, SSL certificate errors will be ignored.")]
    public SwitchParameter IgnoreSSL { get; set; }

    protected override void ProcessRecord()
    {
        try
        {
            Session session;

            if (ParameterSetName == "Credentials" && Credentials != null)
            {
                session = SessionManager.CreateSessionWithCredentialsAsync(
                    URL,
                    AppID,
                    Credentials,
                    IgnoreSSL.IsPresent
                ).GetAwaiter().GetResult();
            }
            else if (ParameterSetName == "Token" && Token != null)
            {
                session = SessionManager.CreateSessionWithToken(URL, AppID, Token);
            }
            else
            {
                throw new ArgumentException("Invalid parameter set. Provide either Credentials or Token.");
            }

            WriteObject(session);
        }
        catch (Exception ex)
        {
            WriteError(new ErrorRecord(ex, "NewSessionError", ErrorCategory.AuthenticationError, null));
        }
    }
}