using System.Collections.Generic;
using Server.Accounting;
using Server.Commands;
using Server.Network;
using Server.Prompts;
using Server.Targeting;

namespace Server.Gumps
{
  public class CommentsGump : Gump
  {
    private Account m_Acct;

    public CommentsGump(Account acct) : base(30, 30)
    {
      m_Acct = acct;

      AddPage(0);
      AddImageTiled(0, 0, 410, 448, 0xA40);
      AddAlphaRegion(1, 1, 408, 446);

      string title = $"Comments for '{acct.Username}'";
      int x = 205 - title.Length / 2 * 7;
      if (x < 120)
        x = 120;
      AddLabel(x, 12, 2100, title);

      AddPage(1);
      AddButton(12, 12, 0xFA8, 0xFAA, 0x7F);
      AddLabel(48, 12, 2100, "Add Comment");

      List<AccountComment> list = acct.Comments;
      if (list.Count > 0)
        for (int i = 0; i < list.Count; ++i)
        {
          AccountComment comment = list[i];

          if (i >= 5 && i % 5 == 0)
          {
            AddButton(368, 12, 0xFA5, 0xFA7, 0, GumpButtonType.Page, i / 5 + 1);
            AddLabel(298, 12, 2100, "Next Page");
            AddPage(i / 5 + 1);
            AddButton(12, 12, 0xFAE, 0xFB0, 0, GumpButtonType.Page, i / 5);
            AddLabel(48, 12, 2100, "Prev Page");
          }

          string html =
            $"[Added By: {comment.AddedBy} on {comment.LastModified.ToString("H:mm M/d/yy")}]<br>{comment.Content}";
          AddHtml(12, 44 + i % 5 * 80, 386, 70, html, true, true);
        }
      else
        AddLabel(12, 44, 2100, "There are no comments for this account.");
    }

    public static void Initialize()
    {
      CommandSystem.Register("Comments", AccessLevel.Counselor, Comments_OnCommand);
    }

    [Usage("Comments")]
    [Description("View/Modify/Add account comments.")]
    private static void Comments_OnCommand(CommandEventArgs args)
    {
      args.Mobile.SendMessage("Select the player to view account comments.");
      args.Mobile.BeginTarget(-1, false, TargetFlags.None, OnTarget);
    }

    private static void OnTarget(Mobile from, object target)
    {
      if (!(target is Mobile m) || !m.Player)
      {
        from.SendMessage("You must target a player.");
        return;
      }

      if (m.Account == null)
        from.SendMessage("That player doesn't have an account loaded... weird.");
      else
        from.SendGump(new CommentsGump((Account)m.Account));
    }

    public override void OnResponse(NetState state, RelayInfo info)
    {
      if (info.ButtonID == 0x7F)
      {
        state.Mobile.SendMessage("Enter the text for the account comment (or press [Esc] to cancel):");
        state.Mobile.Prompt = new CommentPrompt(m_Acct);
      }
    }

    public class CommentPrompt : Prompt
    {
      private Account m_Acct;

      public CommentPrompt(Account acct)
      {
        m_Acct = acct;
      }

      public override void OnCancel(Mobile from)
      {
        from.CloseGump<CommentsGump>();
        from.SendGump(new CommentsGump(m_Acct));
        base.OnCancel(from);
      }

      public override void OnResponse(Mobile from, string text)
      {
        base.OnResponse(from, text);
        from.SendMessage("Comment added.");
        //m_Acct.AddComment( from.Name, text );
        m_Acct.Comments.Add(new AccountComment(from.Name, text));
        from.CloseGump<CommentsGump>();
        from.SendGump(new CommentsGump(m_Acct));
      }
    }
  }
}