{-# LANGUAGE MultiWayIf #-}
{-# LANGUAGE PackageImports #-}
module Matterhorn.Draw (draw) where

import Prelude ()
import Matterhorn.Prelude

import Brick

import Lens.Micro.Platform ( _2, singular, _Just )

import Matterhorn.Draw.ChannelTopicWindow
import Matterhorn.Draw.DeleteChannelConfirm
import Matterhorn.Draw.LeaveChannelConfirm
import Matterhorn.Draw.Main
import Matterhorn.Draw.ThemeListOverlay
import Matterhorn.Draw.PostListOverlay
import Matterhorn.Draw.ShowHelp
import Matterhorn.Draw.UserListOverlay
import Matterhorn.Draw.ChannelListOverlay
import Matterhorn.Draw.ReactionEmojiListOverlay
import Matterhorn.Draw.TabbedWindow
import Matterhorn.Draw.ManageAttachments
import Matterhorn.Draw.NotifyPrefs
import Matterhorn.Types


draw :: ChatState -> [Widget Name]
draw st =
    case st^.csCurrentTeam.tsMode of
        Main                         -> mainLayers
        UrlSelect                    -> mainLayers
        ChannelSelect                -> mainLayers
        MessageSelect                -> mainLayers
        MessageSelectDeleteConfirm   -> mainLayers
        ShowHelp topic _             -> drawShowHelp topic st
        ThemeListOverlay             -> drawThemeListOverlay st : mainLayers
        LeaveChannelConfirm          -> drawLeaveChannelConfirm st : mainLayersMonochrome
        DeleteChannelConfirm         -> drawDeleteChannelConfirm st : mainLayersMonochrome
        PostListOverlay contents     -> drawPostListOverlay contents st : mainLayersMonochrome
        UserListOverlay              -> drawUserListOverlay st : mainLayersMonochrome
        ChannelListOverlay           -> drawChannelListOverlay st : mainLayersMonochrome
        ReactionEmojiListOverlay     -> drawReactionEmojiListOverlay st : mainLayersMonochrome
        ViewMessage                  -> drawTabbedWindow messageViewWindow st : mainLayersMonochrome
        ManageAttachments            -> drawManageAttachments st : mainLayersMonochrome
        ManageAttachmentsBrowseFiles -> drawManageAttachments st : mainLayersMonochrome
        EditNotifyPrefs              -> drawNotifyPrefs st : mainLayersMonochrome
        ChannelTopicWindow           -> drawChannelTopicWindow st : mainLayersMonochrome
    where
        mainLayers = drawMain True st
        mainLayersMonochrome = drawMain False st
        messageViewWindow = st^.csCurrentTeam.tsViewedMessage.singular _Just._2