using ChatTwo.Code;
using ChatTwo.Resources;
using ChatTwo.Util;
using Dalamud.Interface;
using Dalamud.Interface.Utility.Raii;
using ImGuiNET;

namespace ChatTwo.Ui.SettingsTabs;

internal sealed class Tabs : ISettingsTab
{
    private Configuration Mutable { get; }

    public string Name => Language.Options_Tabs_Tab + "###tabs-tabs";

    private int ToOpen = -2;

    internal Tabs(Configuration mutable)
    {
        Mutable = mutable;
    }

    public void Draw(bool changed)
    {
        const string addTabPopup = "add-tab-popup";

        if (ImGuiUtil.IconButton(FontAwesomeIcon.Plus, tooltip: Language.Options_Tabs_Add))
            ImGui.OpenPopup(addTabPopup);

        using (var popup = ImRaii.Popup(addTabPopup))
        {
            if (popup)
            {
                if (ImGui.Selectable(Language.Options_Tabs_NewTab))
                    Mutable.Tabs.Add(new Tab());

                ImGui.Separator();

                if (ImGui.Selectable(string.Format(Language.Options_Tabs_Preset, Language.Tabs_Presets_General)))
                    Mutable.Tabs.Add(TabsUtil.VanillaGeneral);

                if (ImGui.Selectable(string.Format(Language.Options_Tabs_Preset, Language.Tabs_Presets_Event)))
                    Mutable.Tabs.Add(TabsUtil.VanillaEvent);
            }
        }

        var toRemove = -1;
        var doOpens = ToOpen > -2;
        for (var i = 0; i < Mutable.Tabs.Count; i++)
        {
            var tab = Mutable.Tabs[i];

            if (doOpens)
                ImGui.SetNextItemOpen(i == ToOpen);

            using var treeNode = ImRaii.TreeNode($"{tab.Name}###tab-{i}");
            if (!treeNode.Success)
                continue;

            using var pushedId = ImRaii.PushId($"tab-{i}");

            if (ImGuiUtil.IconButton(FontAwesomeIcon.TrashAlt, tooltip: Language.Options_Tabs_Delete))
            {
                toRemove = i;
                ToOpen = -1;
            }

            ImGui.SameLine();

            if (ImGuiUtil.IconButton(FontAwesomeIcon.ArrowUp, tooltip: Language.Options_Tabs_MoveUp) && i > 0)
            {
                (Mutable.Tabs[i - 1], Mutable.Tabs[i]) = (Mutable.Tabs[i], Mutable.Tabs[i - 1]);
                ToOpen = i - 1;
            }

            ImGui.SameLine();

            if (ImGuiUtil.IconButton(FontAwesomeIcon.ArrowDown, tooltip: Language.Options_Tabs_MoveDown) && i < Mutable.Tabs.Count - 1)
            {
                (Mutable.Tabs[i + 1], Mutable.Tabs[i]) = (Mutable.Tabs[i], Mutable.Tabs[i + 1]);
                ToOpen = i + 1;
            }

            ImGui.InputText(Language.Options_Tabs_Name, ref tab.Name, 512, ImGuiInputTextFlags.EnterReturnsTrue);
            ImGui.Checkbox(Language.Options_Tabs_ShowTimestamps, ref tab.DisplayTimestamp);
            ImGui.Checkbox(Language.Options_Tabs_PopOut, ref tab.PopOut);
            if (tab.PopOut)
            {
                ImGui.Checkbox(Language.Options_Tabs_IndependentOpacity, ref tab.IndependentOpacity);
                if (tab.IndependentOpacity)
                    ImGuiUtil.DragFloatVertical(Language.Options_Tabs_Opacity, ref tab.Opacity, 0.25f, 0f, 100f, $"{tab.Opacity:N2}%%", ImGuiSliderFlags.AlwaysClamp);
            }

            using (var combo = ImGuiUtil.BeginComboVertical(Language.Options_Tabs_UnreadMode, tab.UnreadMode.Name()))
            {
                if (combo)
                {
                    foreach (var mode in Enum.GetValues<UnreadMode>())
                    {
                        if (ImGui.Selectable(mode.Name(), tab.UnreadMode == mode))
                            tab.UnreadMode = mode;

                        if (mode.Tooltip() is { } tooltip && ImGui.IsItemHovered())
                            ImGuiUtil.Tooltip(tooltip);
                    }
                }
            }

            if (Mutable.HideWhenInactive)
                ImGui.Checkbox(Language.Options_Tabs_InactivityBehaviour, ref tab.UnhideOnActivity);

            ImGui.Checkbox(Language.Options_Tabs_NoInput, ref tab.InputDisabled);
            if (!tab.InputDisabled)
            {
                var input = tab.Channel?.ToChatType().Name() ?? Language.Options_Tabs_NoInputChannel;
                using var combo = ImGuiUtil.BeginComboVertical(Language.Options_Tabs_InputChannel, input);
                if (combo)
                {
                    if (ImGui.Selectable(Language.Options_Tabs_NoInputChannel, tab.Channel == null))
                        tab.Channel = null;

                    foreach (var channel in Enum.GetValues<InputChannel>())
                        if (ImGui.Selectable(channel.ToChatType().Name(), tab.Channel == channel))
                            tab.Channel = channel;
                }
            }

            ImGuiUtil.ChannelSelector(Language.Options_Tabs_Channels, tab.ChatCodes);
            ImGuiUtil.ExtraChatSelector(Language.Options_Tabs_ExtraChatChannels, ref tab.ExtraChatAll, tab.ExtraChatChannels);
        }

        if (toRemove > -1)
            Mutable.Tabs.RemoveAt(toRemove);

        if (doOpens)
            ToOpen = -2;
    }
}