A script that notifies the user of the most common bad thoughts in the fort.

badThoughtNotifier.lua

local function getRaceName()
	return df.creature_raw.find(df.global.ui.race_id).name[1]
end
local function emotionIsNegative(thought)
	return thought.type~=-1 and df.emotion_type.attrs[thought.type].divider>0
end
local function write_gamelog_and_announce(msg,color)
	dfhack.gui.showAnnouncement(msg,color)
	dfhack.gui.writeToGamelog(msg)
end
local function checkForBadThoughts(silent)
	local thoughts={}
	local mostPopularNegativeThought={cur_amount=0,thought_type=-1}
	for _,unit in ipairs(df.global.world.units.active) do
        if dfhack.units.isCitizen(unit) then
            for __,emotion in ipairs(unit.status.current_soul.personality.emotions) do
                if emotionIsNegative(emotion) then
                    thoughts[emotion.thought]=thoughts[emotion.thought] or 0
                    thoughts[emotion.thought]=thoughts[emotion.thought]+1
                    if thoughts[emotion.thought]>mostPopularNegativeThought.cur_amount then
                        mostPopularNegativeThought.cur_amount=thoughts[emotion.thought]
                        mostPopularNegativeThought.thought_type=emotion.thought
                    end
                end
            end
        end
	end
	if df.unit_thought_type[mostPopularNegativeThought.thought_type] then
		write_gamelog_and_announce('Your ' .. getRaceName() ..' are most feeling bad ' .. df.unit_thought_type.attrs[mostPopularNegativeThought.thought_type].caption..'.',COLOR_CYAN)
	end
end

if ...=='-force' then
    checkForBadThoughts()
else
    require('repeat-util').scheduleEvery('badThoughtNotifier',7,'days',checkForBadThoughts)
end