using Microsoft.AspNetCore.Mvc;

namespace ChatRoom;

/// <summary>
/// Service. Class must be marked public, otherwise ASP.NET core runtime will not find it.
/// 
/// Look into FromXXX attributes if you need to map inputs to custom parts of HTTP request.
/// </summary>
[Route("chatRoom")]
[ApiController]
public class ChatRoomController : ControllerBase
{
    /// <summary>
	/// Service logic. This is created in Server.StartServer() and received through DI in constructor.
	/// </summary>
    private readonly ChatRoomLogic logic;

    /// <summary>
	/// Constructor
	/// </summary>
	/// <param name="logic">Logic to use. This will get passed through DI.</param>
	public ChatRoomController(ChatRoomLogic logic)
    {
        this.logic = logic;
    }

    /// <summary>
    /// Register client with a name
    /// </summary>
    /// <param name="name">Name of client, can be duplicate between clients</param>
    /// <returns>Client ID</returns>
    [HttpPost("/registerClient")]
    public ActionResult<int> RegisterClient(string name)
    {
        return logic.RegisterClient(name);
    }

    /// <summary>
    /// Get number of strikes a participant has
    /// </summary>
    /// <param name="clientId">Client ID</param>
    /// <returns>Number of strikes</returns>
    [HttpGet("/getStrikes")]
    public ActionResult<int> GetStrikes(int clientId)
    {
        return logic.GetStrikes(clientId);
    }

    /// <summary>
    /// Get timestamp until when the client is blocked
    /// </summary>
    /// <param name="clientId">Client ID</param>
    /// <returns>Optional datetime object</returns>
    [HttpGet("/getBlockedUntil")]
    public ActionResult<DateTime?> GetBlockedUntil(int clientId)
    {
        return logic.GetBlockedUntil(clientId);
    }

    /// <summary>
    /// Send a message, will be given to a moderator to be approved
    /// </summary>
    /// <param name="clientId">Client ID</param>
    /// <param name="contents">Message contents</param>
    /// <param name="needsToBeCensored">Does this message need to be censored?</param>
    /// <returns>Was sending successful, can fail if user is blocked</returns>
    [HttpPost("/sendMessage")]
    public ActionResult<bool> SendMessage(int clientId, string contents, bool needsToBeCensored)
    {
        return logic.SendMessage(clientId, contents, needsToBeCensored);
    }

    /// <summary>
    /// Get the next message which hasn't been approved or rejected
    /// </summary>
    /// <returns>Message object. Returns null if there is no message</returns>
    [HttpGet("/getNewMessage")]
    public ActionResult<ChatRoomContract.Message?> GetNewMessage()
    {
        return logic.GetNewMessage();
    }

    /// <summary>
    /// Reject a message
    /// </summary>
    /// <param name="messageId">Message ID</param>
    [HttpPost("/rejectMessage")]
    public void RejectMessage(int messageId)
    {
        logic.RejectMessage(messageId);
    }

    /// <summary>
    /// Approve a message
    /// </summary>
    /// <param name="messageId">Message ID</param>
    [HttpPost("/approveMessage")]
    public void ApproveMessage(int messageId)
    {
        logic.ApproveMessage(messageId);
    }
}