using System;
using System.Numerics;
using Dalamud.Bindings.ImGui;
using Dalamud.Interface;
using Dalamud.Interface.Colors;
using Dalamud.Interface.Utility;
using MareSynchronos.API.Data.Enum;
using MareSynchronos.API.Data.Extensions;
using MareSynchronos.API.Dto.Group;
using MareSynchronos.API.Dto.User;
using MareSynchronos.PlayerData.Pairs;
using MareSynchronos.Services;
using MareSynchronos.Services.Mediator;
using MareSynchronos.UI.Handlers;
using MareSynchronos.WebAPI;
using MareSynchronos.Localization;

namespace MareSynchronos.UI.Components;

public class DrawGroupPair : DrawPairBase
{
    protected readonly MareMediator _mediator;
    private readonly GroupPairFullInfoDto _fullInfoDto;
    private readonly GroupFullInfoDto _group;
    private readonly CharaDataManager _charaDataManager;

    private static string L(string key, string fallback, params object[] args)
    {
        var safeArgs = args ?? Array.Empty<object>();
        return LocalizationService.Instance?.GetString(key, fallback, safeArgs)
            ?? string.Format(System.Globalization.CultureInfo.CurrentCulture, fallback, safeArgs);
    }

    public DrawGroupPair(string id, Pair entry, ApiController apiController,
        MareMediator mareMediator, GroupFullInfoDto group, GroupPairFullInfoDto fullInfoDto,
        UidDisplayHandler handler, UiSharedService uiSharedService, CharaDataManager charaDataManager)
        : base(id, entry, apiController, handler, uiSharedService)
    {
        _group = group;
        _fullInfoDto = fullInfoDto;
        _mediator = mareMediator;
        _charaDataManager = charaDataManager;
    }

    protected override void DrawLeftSide(float textPosY, float originalY)
    {
        var entryUID = _pair.UserData.AliasOrUID;
        var entryIsMod = _fullInfoDto.GroupPairStatusInfo.IsModerator();
        var entryIsOwner = string.Equals(_pair.UserData.UID, _group.OwnerUID, StringComparison.Ordinal);
        var entryIsPinned = _fullInfoDto.GroupPairStatusInfo.IsPinned();
        var presenceIcon = _pair.IsVisible ? FontAwesomeIcon.Eye : FontAwesomeIcon.CloudMoon;
        var presenceColor = (_pair.IsOnline || _pair.IsVisible) ? new Vector4(0.63f, 0.25f, 1f, 1f) : ImGuiColors.DalamudGrey;
        var presenceText = L("GroupPair.Presence.Offline", "{0} is offline", entryUID);

        ImGui.SetCursorPosY(textPosY);
        bool drewPrefixIcon = false;

        if (_pair.IsPaused)
        {
            presenceText = L("GroupPair.Presence.Paused", "{0} online status is unknown (paused)", entryUID);

            ImGui.PushFont(UiBuilder.IconFont);
            UiSharedService.ColorText(FontAwesomeIcon.PauseCircle.ToIconString(), ImGuiColors.DalamudYellow);
            ImGui.PopFont();

            UiSharedService.AttachToolTip(L("GroupPair.Tooltip.Paused", "Pairing status with {0} is paused", entryUID));
            drewPrefixIcon = true;
        }
        else
        {
            bool individuallyPaired = _pair.UserPair != null;
            var violet = new Vector4(0.63f, 0.25f, 1f, 1f);
            if (individuallyPaired && (_pair.IsOnline || _pair.IsVisible))
            {
                ImGui.PushFont(UiBuilder.IconFont);
                UiSharedService.ColorText(FontAwesomeIcon.Moon.ToIconString(), violet);
                ImGui.PopFont();
                UiSharedService.AttachToolTip(L("GroupPair.Tooltip.IndividuallyPaired", "You are individually paired with {0}", entryUID));
                drewPrefixIcon = true;
            }
        }
        if (drewPrefixIcon)
            ImGui.SameLine();

        ImGui.SetCursorPosY(textPosY);
        ImGui.PushFont(UiBuilder.IconFont);
        UiSharedService.ColorText(presenceIcon.ToIconString(), presenceColor);
        ImGui.PopFont();

        if (_pair.IsOnline && !_pair.IsVisible)
            presenceText = L("GroupPair.Presence.Online", "{0} is online", entryUID);
        else if (_pair.IsOnline && _pair.IsVisible)
            presenceText = L("GroupPair.Presence.Visible", "{0} is visible: {1}\nClick to target this player", entryUID, _pair.PlayerName);

        if (_pair.IsVisible)
        {
            if (ImGui.IsItemClicked())
            {
                _mediator.Publish(new TargetPairMessage(_pair));
            }
            if (_pair.LastAppliedDataBytes >= 0)
            {
                presenceText += UiSharedService.TooltipSeparator;
                presenceText += (!_pair.IsVisible ? L("GroupPair.Presence.LastPrefix", "(Last) ") : string.Empty)
                    + L("GroupPair.Presence.ModsInfo", "Mods Info") + Environment.NewLine;
                presenceText += L("GroupPair.Presence.FilesSize", "Files Size: {0}", UiSharedService.ByteToString(_pair.LastAppliedDataBytes, true));
                if (_pair.LastAppliedApproximateVRAMBytes >= 0)
                {
                    presenceText += Environment.NewLine + L("GroupPair.Presence.Vram", "Approx. VRAM Usage: {0}", UiSharedService.ByteToString(_pair.LastAppliedApproximateVRAMBytes, true));
                }
                if (_pair.LastAppliedDataTris >= 0)
                {
                    var trisValue = _pair.LastAppliedDataTris > 1000
                        ? (_pair.LastAppliedDataTris / 1000d).ToString("0.0'k'", System.Globalization.CultureInfo.CurrentCulture)
                        : _pair.LastAppliedDataTris.ToString(System.Globalization.CultureInfo.CurrentCulture);
                    presenceText += Environment.NewLine + L("GroupPair.Presence.Tris", "Triangle Count (excl. Vanilla): {0}", trisValue);
                }
            }
        }

        UiSharedService.AttachToolTip(presenceText);

        if (entryIsOwner)
        {
            ImGui.SameLine();
            ImGui.SetCursorPosY(textPosY);
            ImGui.PushFont(UiBuilder.IconFont);
            ImGui.TextUnformatted(FontAwesomeIcon.Crown.ToIconString());
            ImGui.PopFont();
            UiSharedService.AttachToolTip(L("GroupPair.Tooltip.Owner", "User is owner of this Syncshell"));
        }
        else if (entryIsMod)
        {
            ImGui.SameLine();
            ImGui.SetCursorPosY(textPosY);
            ImGui.PushFont(UiBuilder.IconFont);
            ImGui.TextUnformatted(FontAwesomeIcon.UserShield.ToIconString());
            ImGui.PopFont();
            UiSharedService.AttachToolTip(L("GroupPair.Tooltip.Moderator", "User is moderator of this Syncshell"));
        }
        else if (entryIsPinned)
        {
            ImGui.SameLine();
            ImGui.SetCursorPosY(textPosY);
            ImGui.PushFont(UiBuilder.IconFont);
            ImGui.TextUnformatted(FontAwesomeIcon.Thumbtack.ToIconString());
            ImGui.PopFont();
            UiSharedService.AttachToolTip(L("GroupPair.Tooltip.Pinned", "User is pinned in this Syncshell"));
        }
    }

    protected override float DrawRightSide(float textPosY, float originalY)
    {
        var entryUID = _fullInfoDto.UserAliasOrUID;
        var entryIsMod = _fullInfoDto.GroupPairStatusInfo.IsModerator();
        var entryIsOwner = string.Equals(_pair.UserData.UID, _group.OwnerUID, StringComparison.Ordinal);
        var entryIsPinned = _fullInfoDto.GroupPairStatusInfo.IsPinned();
        var userIsOwner = string.Equals(_group.OwnerUID, _apiController.UID, StringComparison.OrdinalIgnoreCase);
        var userIsModerator = _group.GroupUserInfo.IsModerator();

        var soundsDisabled = _fullInfoDto.GroupUserPermissions.IsDisableSounds();
        var animDisabled = _fullInfoDto.GroupUserPermissions.IsDisableAnimations();
        var vfxDisabled = _fullInfoDto.GroupUserPermissions.IsDisableVFX();
        var individualSoundsDisabled = (_pair.UserPair?.OwnPermissions.IsDisableSounds() ?? false) || (_pair.UserPair?.OtherPermissions.IsDisableSounds() ?? false);
        var individualAnimDisabled = (_pair.UserPair?.OwnPermissions.IsDisableAnimations() ?? false) || (_pair.UserPair?.OtherPermissions.IsDisableAnimations() ?? false);
        var individualVFXDisabled = (_pair.UserPair?.OwnPermissions.IsDisableVFX() ?? false) || (_pair.UserPair?.OtherPermissions.IsDisableVFX() ?? false);

        bool showShared = _charaDataManager.SharedWithYouData.TryGetValue(_pair.UserData, out var sharedData);
        bool showInfo = (individualAnimDisabled || individualSoundsDisabled || animDisabled || soundsDisabled);
        bool showPlus = _pair.UserPair == null;
        bool showBars = (userIsOwner || (userIsModerator && !entryIsMod && !entryIsOwner)) || !_pair.IsPaused;

        var spacing = ImGui.GetStyle().ItemSpacing.X;
        var permIcon = (individualAnimDisabled || individualSoundsDisabled || individualVFXDisabled) ? FontAwesomeIcon.ExclamationTriangle
            : ((soundsDisabled || animDisabled || vfxDisabled) ? FontAwesomeIcon.InfoCircle : FontAwesomeIcon.None);
        var runningIconWidth = _uiSharedService.GetIconButtonSize(FontAwesomeIcon.Running).X;
        var infoIconWidth = UiSharedService.GetIconSize(permIcon).X;
        var plusButtonWidth = _uiSharedService.GetIconButtonSize(FontAwesomeIcon.Plus).X;
        var barButtonWidth = _uiSharedService.GetIconButtonSize(FontAwesomeIcon.Bars).X;

        var pos = ImGui.GetWindowContentRegionMin().X + UiSharedService.GetWindowContentRegionWidth() + spacing
            - (showShared ? (runningIconWidth + spacing) : 0)
            - (showInfo ? (infoIconWidth + spacing) : 0)
            - (showPlus ? (plusButtonWidth + spacing) : 0)
            - (showBars ? (barButtonWidth + spacing) : 0);

        ImGui.SameLine(pos);

        if (showShared)
        {
            _uiSharedService.IconText(FontAwesomeIcon.Running);

            UiSharedService.AttachToolTip(L("GroupPair.Tooltip.SharedData", "This user has shared {0} Character Data Sets with you.", sharedData!.Count)
                + UiSharedService.TooltipSeparator
                + L("GroupPair.Tooltip.SharedData.OpenHub", "Click to open the Character Data Hub and show the entries."));
            
            if (ImGui.IsItemClicked(ImGuiMouseButton.Left))
            {
                _mediator.Publish(new OpenCharaDataHubWithFilterMessage(_pair.UserData));
            }
            ImGui.SameLine();
        }

        if (individualAnimDisabled || individualSoundsDisabled || individualVFXDisabled)
        {
            ImGui.SetCursorPosY(textPosY);
            ImGui.PushStyleColor(ImGuiCol.Text, ImGuiColors.DalamudYellow);
            _uiSharedService.IconText(permIcon);
            ImGui.PopStyleColor();
            if (ImGui.IsItemHovered())
            {
                ImGui.BeginTooltip();

                ImGui.TextUnformatted(L("GroupPair.Tooltip.IndividualHeader", "Individual User permissions"));

                if (individualSoundsDisabled)
                {
                    var userSoundsText = L("GroupPair.Tooltip.SoundWith", "Sound sync disabled with {0}", _pair.UserData.AliasOrUID);
                    _uiSharedService.IconText(FontAwesomeIcon.VolumeOff);
                    ImGui.SameLine(40 * ImGuiHelpers.GlobalScale);
                    ImGui.TextUnformatted(userSoundsText);
                    ImGui.NewLine();
                    ImGui.SameLine(40 * ImGuiHelpers.GlobalScale);
                    ImGui.TextUnformatted(L("GroupPair.Tooltip.YouThey", "You: {0}, They: {1}",
                        _pair.UserPair!.OwnPermissions.IsDisableSounds() ? L("GroupPair.Toggle.Disabled", "Disabled") : L("GroupPair.Toggle.Enabled", "Enabled"),
                        _pair.UserPair!.OtherPermissions.IsDisableSounds() ? L("GroupPair.Toggle.Disabled", "Disabled") : L("GroupPair.Toggle.Enabled", "Enabled")));
                }

                if (individualAnimDisabled)
                {
                    var userAnimText = L("GroupPair.Tooltip.AnimWith", "Animation sync disabled with {0}", _pair.UserData.AliasOrUID);
                    _uiSharedService.IconText(FontAwesomeIcon.Stop);
                    ImGui.SameLine(40 * ImGuiHelpers.GlobalScale);
                    ImGui.TextUnformatted(userAnimText);
                    ImGui.NewLine();
                    ImGui.SameLine(40 * ImGuiHelpers.GlobalScale);
                    ImGui.TextUnformatted(L("GroupPair.Tooltip.YouThey", "You: {0}, They: {1}",
                        _pair.UserPair!.OwnPermissions.IsDisableAnimations() ? L("GroupPair.Toggle.Disabled", "Disabled") : L("GroupPair.Toggle.Enabled", "Enabled"),
                        _pair.UserPair!.OtherPermissions.IsDisableAnimations() ? L("GroupPair.Toggle.Disabled", "Disabled") : L("GroupPair.Toggle.Enabled", "Enabled")));
                }

                if (individualVFXDisabled)
                {
                    var userVFXText = L("GroupPair.Tooltip.VfxWith", "VFX sync disabled with {0}", _pair.UserData.AliasOrUID);
                    _uiSharedService.IconText(FontAwesomeIcon.Circle);
                    ImGui.SameLine(40 * ImGuiHelpers.GlobalScale);
                    ImGui.TextUnformatted(userVFXText);
                    ImGui.NewLine();
                    ImGui.SameLine(40 * ImGuiHelpers.GlobalScale);
                    ImGui.TextUnformatted(L("GroupPair.Tooltip.YouThey", "You: {0}, They: {1}",
                        _pair.UserPair!.OwnPermissions.IsDisableVFX() ? L("GroupPair.Toggle.Disabled", "Disabled") : L("GroupPair.Toggle.Enabled", "Enabled"),
                        _pair.UserPair!.OtherPermissions.IsDisableVFX() ? L("GroupPair.Toggle.Disabled", "Disabled") : L("GroupPair.Toggle.Enabled", "Enabled")));
                }

                ImGui.EndTooltip();
            }
            ImGui.SameLine();
        }
        else if ((animDisabled || soundsDisabled || vfxDisabled))
        {
            ImGui.SetCursorPosY(textPosY);
            _uiSharedService.IconText(permIcon);
            if (ImGui.IsItemHovered())
            {
                ImGui.BeginTooltip();

                ImGui.TextUnformatted(L("GroupPair.Tooltip.SyncshellHeader", "Syncshell User permissions"));

                if (soundsDisabled)
                {
                    var userSoundsText = L("GroupPair.Tooltip.SoundBy", "Sound sync disabled by {0}", _pair.UserData.AliasOrUID);
                    _uiSharedService.IconText(FontAwesomeIcon.VolumeOff);
                    ImGui.SameLine(40 * ImGuiHelpers.GlobalScale);
                    ImGui.TextUnformatted(userSoundsText);
                }

                if (animDisabled)
                {
                    var userAnimText = L("GroupPair.Tooltip.AnimBy", "Animation sync disabled by {0}", _pair.UserData.AliasOrUID);
                    _uiSharedService.IconText(FontAwesomeIcon.Stop);
                    ImGui.SameLine(40 * ImGuiHelpers.GlobalScale);
                    ImGui.TextUnformatted(userAnimText);
                }

                if (vfxDisabled)
                {
                    var userVFXText = L("GroupPair.Tooltip.VfxBy", "VFX sync disabled by {0}", _pair.UserData.AliasOrUID);
                    _uiSharedService.IconText(FontAwesomeIcon.Circle);
                    ImGui.SameLine(40 * ImGuiHelpers.GlobalScale);
                    ImGui.TextUnformatted(userVFXText);
                }

                ImGui.EndTooltip();
            }
            ImGui.SameLine();
        }

        if (showPlus)
        {
            ImGui.SetCursorPosY(originalY);

            if (_uiSharedService.IconButton(FontAwesomeIcon.Plus))
            {
                _ = _apiController.UserAddPair(new UserDto(new(_pair.UserData.UID)));
            }
            UiSharedService.AttachToolTip(L("GroupPair.Popup.PairIndividually", "Pair with {0} individually", entryUID));
            ImGui.SameLine();
        }

        if (showBars)
        {
            ImGui.SetCursorPosY(originalY);

            if (_uiSharedService.IconButton(FontAwesomeIcon.Bars))
            {
                ImGui.OpenPopup("Popup");
            }
        }

        if (ImGui.BeginPopup("Popup"))
        {
            if ((userIsModerator || userIsOwner) && !(entryIsMod || entryIsOwner))
            {
                var pinText = entryIsPinned ? "Unpin user" : "Pin user";
                if (_uiSharedService.IconTextButton(FontAwesomeIcon.Thumbtack, pinText))
                {
                    ImGui.CloseCurrentPopup();
                    var userInfo = _fullInfoDto.GroupPairStatusInfo ^ GroupUserInfo.IsPinned;
                    _ = _apiController.GroupSetUserInfo(new GroupPairUserInfoDto(_fullInfoDto.Group, _fullInfoDto.User, userInfo));
                }
                UiSharedService.AttachToolTip("Pin this user to the Syncshell. Pinned users will not be deleted in case of a manually initiated Syncshell clean");

                if (_uiSharedService.IconTextButton(FontAwesomeIcon.Trash, "Remove user") && UiSharedService.CtrlPressed())
                {
                    ImGui.CloseCurrentPopup();
                    _ = _apiController.GroupRemoveUser(_fullInfoDto);
                }

                UiSharedService.AttachToolTip("Hold CTRL and click to remove user " + (_pair.UserData.AliasOrUID) + " from Syncshell");
                if (_uiSharedService.IconTextButton(FontAwesomeIcon.UserSlash, "Ban User"))
                {
                    ImGui.CloseCurrentPopup();
                    _mediator.Publish(new OpenBanUserPopupMessage(_pair, _group));
                }
                UiSharedService.AttachToolTip("Ban user from this Syncshell");
            }

            if (userIsOwner)
            {
                string modText = entryIsMod ? "Demod user" : "Mod user";
                if (_uiSharedService.IconTextButton(FontAwesomeIcon.UserShield, modText) && UiSharedService.CtrlPressed())
                {
                    ImGui.CloseCurrentPopup();
                    var userInfo = _fullInfoDto.GroupPairStatusInfo ^ GroupUserInfo.IsModerator;
                    _ = _apiController.GroupSetUserInfo(new GroupPairUserInfoDto(_fullInfoDto.Group, _fullInfoDto.User, userInfo));
                }
                UiSharedService.AttachToolTip("Hold CTRL to change the moderator status for " + (_fullInfoDto.UserAliasOrUID) + Environment.NewLine +
                    "Moderators can kick, ban/unban, pin/unpin users and clear the Syncshell.");
                if (_uiSharedService.IconTextButton(FontAwesomeIcon.Crown, "Transfer Ownership") && UiSharedService.CtrlPressed() && UiSharedService.ShiftPressed())
                {
                    ImGui.CloseCurrentPopup();
                    _ = _apiController.GroupChangeOwnership(_fullInfoDto);
                }
                UiSharedService.AttachToolTip("Hold CTRL and SHIFT and click to transfer ownership of this Syncshell to " + (_fullInfoDto.UserAliasOrUID) + Environment.NewLine + "WARNING: This action is irreversible.");
            }

            if (userIsOwner || (userIsModerator && !(entryIsMod || entryIsOwner)))
                ImGui.Separator();

            if (_pair.IsVisible)
            {
                if (_uiSharedService.IconTextButton(FontAwesomeIcon.Eye, "Target player"))
                {
                    _mediator.Publish(new TargetPairMessage(_pair));
                    ImGui.CloseCurrentPopup();
                }
            }
            if (!_pair.IsPaused)
            {
                if (_uiSharedService.IconTextButton(FontAwesomeIcon.User, "Open Profile"))
                {
                    _displayHandler.OpenProfile(_pair);
                    ImGui.CloseCurrentPopup();
                }
            }
            if (_pair.IsVisible)
            {
#if DEBUG
                if (_uiSharedService.IconTextButton(FontAwesomeIcon.PersonCircleQuestion, "Open Analysis"))
                {
                    _displayHandler.OpenAnalysis(_pair);
                    ImGui.CloseCurrentPopup();
                }
#endif
                if (_uiSharedService.IconTextButton(FontAwesomeIcon.Sync, "Reload last data"))
                {
                    _pair.ApplyLastReceivedData(forced: true);
                    ImGui.CloseCurrentPopup();
                }
                UiSharedService.AttachToolTip("This reapplies the last received character data to this character");
            }
            ImGui.EndPopup();
        }

        return pos - spacing;
    }
}