path: root/config/hammerspoon/init.lua

-- https://www.hammerspoon.org/
--
-- To place this file in ~/.config/hammerspoon/init.lua first run:
--   defaults write org.hammerspoon.Hammerspoon MJConfigFile "$HOME/.config/hammerspoon/init.lua"

-- hs.application.enableSpotlightForNameSearches(true)

-- The shared helpers, in dotlib.lua beside this file. A machine's own
-- ~/.config/hammerspoon/local.lua requires the same module, which is the point:
-- as locals of this file they were invisible to it.
--
-- Hammerspoon already puts the config directory first on package.path; this
-- prepend takes the directory from this file's own path instead, so the module
-- is found however the config was located.
package.path = (debug.getinfo(1, "S").source:match("^@(.*)/[^/]+$") or ".")
    .. "/?.lua;" .. package.path
-- A machine that pulled this file but has not re-linked yet has no dotlib.lua
-- beside it, and every hotkey below would be gone with nothing on screen to say
-- why. Name the fix instead.
local ok, lib = pcall(require, "dotlib")
if not ok then
    hs.notify.new({
        title = "Hammerspoon",
        informativeText = "dotlib.lua is missing -- run link.sh yes in the account repo",
    }):send()
    error(lib, 0)
end

local focus = lib.focus
local execute = lib.execute
local hotkey = lib.hotkey
local type_text = lib.type_text
local type_current_date = lib.type_current_date
local type_random_ids = lib.type_random_ids
local cs, ca, csa = lib.mods.cs, lib.mods.ca, lib.mods.csa
local cag, hyp, spc = lib.mods.cag, lib.mods.hyp, lib.mods.spc

-- Caps Lock sends F20 from here on: dotlib does the HID-level remap and keeps
-- re-applying it, including for keyboards attached later. Nothing is bound to
-- f20 by default -- bind it below or in a machine's local.lua, the same as any
-- other key. A machine that wants its Caps Lock back calls
-- require("dotlib").capslock_off() from its local.lua, which loads last.
--
-- Early, so the keyboard behaves the same for the rest of this file's startup,
-- but deliberately after the dotlib guard above: a config that failed to load
-- has no bindings either, and a remapped key with nothing bound to it is worse
-- than a working Caps Lock.
lib.capslock_f20()

-- The message port behind the `hs` CLI, so this config can be queried and
-- driven from a shell -- `hs -c 'hs.hid.capslock.get()'`. Without it there is
-- no way to check what Hammerspoon thinks from outside Hammerspoon.
require("hs.ipc")

local function toggle(appName)
    return function()
        local currentSpace = hs.spaces.focusedSpace()                       -- Get current space
        local app = hs.application.get(appName)                             -- Get app
        if app then                                                         -- If app already open:
            if not app:mainWindow() then                                    -- If no main window, then open a new window
                app:selectMenuItem("New OS Window", true)
            elseif app:isFrontmost() then                                   -- If app is already in front, then hide it
                app:hide()
            else                                                            -- If there is a main window somewhere, bring it to current space and to front
                hs.spaces.moveWindowToSpace(app:mainWindow(), currentSpace) -- First move the main window to the current space
                app:activate()                                              -- Activate the app
                app:mainWindow():raise()                                    -- Raise the main window and position correctly
            end
        else                                                                -- If app not open, open it
            hs.application.launchOrFocus(appName)
            app = hs.application.get(appName)
        end
        -- hs.spaces.gotoSpace(currentSpace)
    end
end


local default_browser_bin = '/Users/sz/.bin/default-browser'
local function set_default_browser(browserName)
    return execute(default_browser_bin .. ' "' .. browserName .. '"')
end

local function focusDefaultBrowser()
    local output = hs.execute('/Users/sz/.bin/default-browser', true)
    if not output then
        print('ERROR: default-browser bin failed to run')
        return
    end

	local marker = "%s%(default%)"
    -- iterate over each line (\n) in the output
	for line in string.gmatch(output, "[^\n]+") do
        -- check if the line contains the marker
        if string.find(line, marker) then
            -- extract the name from the line
            local name = line:gsub(marker, "")
            print(name)
            -- focus the browser with the extracted name
            return focus(name)()
        end
	end
end

local function terminal_opacity(incr)
    local tool = '/Users/sz/.bin/terminal-set-opacity'
    local sign = '-'
    local symbol = '🔽'
    if incr then
        symbol = '🔼'
        sign = ''
    end
    local step = 0.02
    local cmd = string.format('%s %s%s', tool, sign, step)
    local out = hs.execute(cmd, true)
    local alert = string.format('%s %s', symbol, out:gsub("\n", ""))
    hs.alert.closeAll()
    hs.alert.show(alert)
end
function terminal_increase_opacity()
    terminal_opacity(true)
end

function terminal_decrease_opacity()
    terminal_opacity(false)
end

local function show_battery()
    local msg = 'Juice: ' .. hs.battery.percentage() .. '%'
    hs.alert.show(msg)
end
local function hammerspoon_console()
    hs.consoleOnTop(true)
    hs.toggleConsole()
end
local function hammerspoon_reload()
    hs.reload()
end

local function whisper_cpp()
    --  --capture 1
    local cmd =
    "tmux neww -d -c '/Volumes/Sense/src/whisper.cpp' './stream --threads 8 --model models/ggml-base.en.bin --step 350 --length 10000 -f /tmp/whisper.txt'"
    hs.execute(cmd, true)
    hs.alert.show('Action!')
end

local function show_current_time()
    local clock = os.date('%Y-%m-%d %H:%M')
    hs.alert.show(clock)
end

-- Audio device preferences (in order of priority, case-insensitive substrings)
local inputPrefs = { "yeti", "macbook" }
local outputPrefs = { "soundcore Space One", "haidt", "yeti", "lg ultrafine", "macbook" }
local audioWatcherEnabled = true

-- Find the best available device from a preference list (case-insensitive substring match)
local function find_preferred_device(devices, prefs)
    for _, pref in ipairs(prefs) do
        for _, device in ipairs(devices) do
            if device and device:name():lower():find(pref:lower(), 1, true) then
                return device
            end
        end
    end
    return nil
end

-- Set input to the best available preferred device
local function set_preferred_input()
    local preferred = find_preferred_device(hs.audiodevice.allInputDevices(), inputPrefs)
    if not preferred then return false end

    local current = hs.audiodevice.defaultInputDevice()
    if current and current:uid() == preferred:uid() then return false end

    preferred:setDefaultInputDevice()
    print("Set input to " .. preferred:name())
    return true
end

-- Set output to the best available preferred device
local function set_preferred_output()
    local preferred = find_preferred_device(hs.audiodevice.allOutputDevices(), outputPrefs)
    if not preferred then return false end

    local current = hs.audiodevice.defaultOutputDevice()
    if current and current:uid() == preferred:uid() then return false end

    preferred:setDefaultOutputDevice()
    print("Set output to " .. preferred:name())
    return true
end

-- Check and correct audio devices with retry logic for race conditions
local function check_audio_devices()
    local maxAttempts = 30
    local delaySecs = 5 / maxAttempts
    local attempt = 0

    local function check()
        attempt = attempt + 1
        local inputChanged = set_preferred_input()
        local outputChanged = set_preferred_output()

        if not inputChanged and not outputChanged then
            print("Audio devices correct (attempt " .. attempt .. ")")
            return
        end

        print("Audio device correction (attempt " .. attempt .. "/" .. maxAttempts .. ")")
        if attempt < maxAttempts then
            hs.timer.doAfter(delaySecs, check)
        end
    end

    check()
end

-- Keyed off the device, not the machine: only a Mac mini has these, and on
-- any other machine the check simply never matches.
local function mute_mac_mini_speakers()
    local output = hs.audiodevice.defaultOutputDevice()
    if output and output:name():lower():find("mac mini speakers", 1, true) then
        output:setVolume(0)
        print("Muted Mac mini Speakers")
    end
end

hs.audiodevice.watcher.setCallback(function(event)
    if not audioWatcherEnabled then return end

    if event == "dev#" then  -- device list changed
        check_audio_devices()
    elseif event == "dIn " then  -- default input changed
        set_preferred_input()
    elseif event == "dOut" then  -- default output changed
        mute_mac_mini_speakers()
    end
end)
hs.audiodevice.watcher.start()

mute_mac_mini_speakers()
local function show_audio_devices()
    local function formatDeviceList(devices, currentDevice)
        local list = {}
        for _, device in ipairs(devices) do
            local name = device:name()
            local isCurrent = (currentDevice and device:uid() == currentDevice:uid())
            if isCurrent then
                name = "▶ " .. name
            end
            table.insert(list, name)
        end
        return table.concat(list, "\n")
    end
    local outputList = formatDeviceList(
        hs.audiodevice.allOutputDevices(),
        hs.audiodevice.defaultOutputDevice()
    )
    local inputList = formatDeviceList(
        hs.audiodevice.allInputDevices(),
        hs.audiodevice.defaultInputDevice()
    )
    local msg = "Output:\n" .. outputList .. "\n\nInput:\n" .. inputList
    hs.alert.show(msg)
end
local function show_current_audio_devices()
    check_audio_devices()
    local input = hs.audiodevice.defaultInputDevice()
    local output = hs.audiodevice.defaultOutputDevice()
    local msg = "Input: " .. input:name() .. "\nOutput: " .. output:name()
    hs.alert.show(msg)
end
local function toggle_audio_watcher()
    audioWatcherEnabled = not audioWatcherEnabled
    local status = audioWatcherEnabled and "enabled" or "disabled"
    local emoji = audioWatcherEnabled and "✅" or "🚫"
    hs.alert.show(emoji .. " Audio watcher " .. status)
    print("Audio watcher " .. status)
end


local function type_uuids(count)
    local shell = '/bin/bash'
    local script = '/Volumes/Sense/Work/kafka/kafka/.ignore/tools/gen-uuids.sh'
    local arg = count
    local cmd = string.format('%s %s %s', shell, script, arg)
    return function()
        local out = hs.execute(cmd, true)
        hs.eventtap.keyStrokes(out)
    end
end
-- Useful to setup a hotkey to dump text for screencasting. e.g.
--   hotkey('1', csa, demo_dump('/tmp/screencast1.txt'))
--   hotkey('2', csa, demo_dump('/tmp/screencast2.txt'))
---@diagnostic disable-next-line: unused-function
local function demo_dump(filepath)
    return function()
        local file = io.open(filepath, 'r')
        if not file then
            print('ERROR: File not found: ' .. filepath)
            hs.alert.show('File not found: ' .. filepath)
            return
        end
        local text = file:read('*a')
        file:close()

        type_text(text, {min_delay = 0.005, max_delay = 0.15})()
    end
end

local function short(name)
    local file = io.open('/Users/sz/.cloud/shorts/' .. name, 'r')
    local text = ''
    if file then
        text = file:read('*a')
        file:close()
    end
    return function()
        hs.eventtap.keyStrokes(text)
    end
end

local function isZenBrowser(win)
    if not win then return false end
    local app = win:application()
    if not app then return false end
    local name = app:name() or ""
    return name:lower():find("zen") ~= nil
end

local function window_cycle_screen()
    local win = hs.window.focusedWindow()
    if not win then
        print("No focused window")
        return
    end
    local screen = win:screen()
    if not screen then
        print("Window has no screen")
        return
    end
    local nextScreen = screen:next()
    if not nextScreen then
        print("No next screen available")
        return
    end
    local wasFullScreen = win:isFullScreen()
    local isZen = isZenBrowser(win)

    local function doMove()
        if isZen then
            local nextScreenFrame = nextScreen:frame()
            local zenMinWidth = 1536
            local currentFrame = win:frame()

            if nextScreenFrame.w < zenMinWidth then
                -- For narrow screens: shrink window first, then move
                local smallerFrame = hs.geometry.rect(
                    currentFrame.x,
                    currentFrame.y,
                    zenMinWidth,
                    nextScreenFrame.h
                )
                win:setFrame(smallerFrame, 0)
                hs.timer.doAfter(0.3, function()
                    win:setTopLeft(hs.geometry.point(nextScreenFrame.x, nextScreenFrame.y))
                    hs.timer.doAfter(0.3, function()
                        win:setTopLeft(hs.geometry.point(nextScreenFrame.x, nextScreenFrame.y))
                    end)
                end)
            else
                -- For wide screens: move then maximize
                win:setTopLeft(hs.geometry.point(nextScreenFrame.x, nextScreenFrame.y))
                hs.timer.doAfter(0.3, function()
                    win:setTopLeft(hs.geometry.point(nextScreenFrame.x, nextScreenFrame.y))
                    hs.timer.doAfter(0.3, function()
                        win:setFrameWithWorkarounds(nextScreenFrame, 0)
                    end)
                end)
            end
        else
            win:moveToScreen(nextScreen)
        end
    end

    if wasFullScreen then
        win:setFullScreen(false)
        hs.timer.doAfter(0.6, function()
            doMove()
            hs.timer.doAfter(0.6, function()
                win:setFullScreen(true)
            end)
        end)
    else
        doMove()
    end
end

local function window_resize(layout)
    return function()
        local win = hs.window.focusedWindow()
        if not win then return end
        if isZenBrowser(win) then
            -- Use setFrameWithWorkarounds for Zen Browser
            local screen = win:screen()
            local screenFrame = screen:frame()
            local newFrame = hs.geometry.new(layout):fromUnitRect(screenFrame):floor()
            win:setFrameWithWorkarounds(newFrame, 0)
        else
            win:moveToUnit(layout, 0)
        end
    end
end

-- local function tprint(tbl, indent)
--   if not indent then indent = 0 end
--   local toprint = string.rep(" ", indent) .. "{\r\n"
--   indent = indent + 2
--   for k, v in pairs(tbl) do
--     toprint = toprint .. string.rep(" ", indent)
--     if (type(k) == "number") then
--       toprint = toprint .. "[" .. k .. "] = "
--     elseif (type(k) == "string") then
--       toprint = toprint  .. k ..  "= "
--     end
--     if (type(v) == "number") then
--       toprint = toprint .. v .. ",\r\n"
--     elseif (type(v) == "string") then
--       toprint = toprint .. "\"" .. v .. "\",\r\n"
--     elseif (type(v) == "table") then
--       toprint = toprint .. tprint(v, indent + 2) .. ",\r\n"
--     else
--       toprint = toprint .. "\"" .. tostring(v) .. "\",\r\n"
--     end
--   end
--   toprint = toprint .. string.rep(" ", indent-2) .. "}"
--   return toprint
-- end

hotkey('0', cag, execute('/Users/sz/.bin/theme --set light'))
hotkey('0', hyp, execute('/Users/sz/.bin/theme --set dark'))
hotkey('1', cag, focus('Activity Monitor'))
-- hotkey('8', cag, type_uuids(1))
-- hotkey('8', hyp, type_uuids(10))
hotkey('8', cag, type_random_ids(1))
hotkey('8', hyp, type_random_ids(10))
hotkey('9', csa, type_text('07871793085'))
hotkey('9', cag, type_text('i@soarez.me'))
hotkey('a', cag, focus('Alacritty'))
hotkey('a', csa, toggle_audio_watcher)
-- hotkey('a', hyp, show_audio_devices)
hotkey('a', hyp, show_current_audio_devices)
-- hotkey('b', cag, focus('Safari'))
-- hotkey('b', hyp, set_default_browser('safari'))
hotkey('b', cag, focus('Brave Browser'))
hotkey('b', hyp, set_default_browser('brave browser'))
hotkey('c', cag, focus('Calendar'))
hotkey('c', hyp, focus('Claude'))
hotkey('d', cag, show_current_time)
hotkey('d', hyp, type_current_date)
hotkey('f', cag, focusDefaultBrowser)
hotkey('g', cag, focus('Preview'))
hotkey('h', cag, show_battery)
hotkey('h', csa, hammerspoon_reload)
hotkey('h', hyp, hammerspoon_console)
hotkey('i', cag, focus('Messages'))
hotkey('j', cag, focus('IntelliJ IDEA', 'IntelliJ IDEA Ultimate', 'IntelliJ IDEA CE'))
hotkey('k', cag, focus('Slack'))
hotkey('k', hyp, toggle('Neovide'))
hotkey('l', cag, focus('Simulator'))
hotkey('m', cag, focus('Fastmail'))
hotkey('n', cag, focus('Obsidian'))
hotkey('n', hyp, focus('Notes'))
hotkey('p', hyp, short('song'))
-- hotkey('q', cag, whisper_cpp)
-- hotkey('r', cag, focus('Radar'))
hotkey('s', cag, focus('Spotify'))
hotkey('s', hyp, focus('Signal'))
hotkey('t', cag, terminal_increase_opacity)
hotkey('t', hyp, terminal_decrease_opacity)
-- hotkey('v', cag, execute('/Users/sz/.bin/vpn ikev2'))
-- hotkey('v', hyp, execute('/Users/sz/.bin/vpn ssl-dc'))
-- hotkey('w', csa, execute('/Users/sz/.bin/wifi on'))
hotkey('w', cag, focus('WhatsApp'))
-- hotkey('w', hyp, execute('/Users/sz/.bin/wifi off'))
hotkey('y', cag, focus('YouTube Music'))
hotkey('y', hyp, function()
    local content = hs.pasteboard.getContents()
    if content then
        type_text(content)()
    end
end)
hotkey('x', cag, type_text('𝕏'))
hotkey('z', cag, toggle('Zen'))
-- hotkey('z', hyp, focus('Zed'))
hotkey('z', hyp, set_default_browser('zen'))
hotkey(spc, cag, focus('Ghostty'))

local geometry = require("hs.geometry")
hotkey(spc, cs, window_cycle_screen)
hotkey('1', ca, window_resize(hs.layout.maximized))
hotkey('2', ca, window_resize(hs.layout.left50))
hotkey('3', ca, window_resize(hs.layout.right50))
hotkey('4', ca, window_resize(hs.layout.left30))
hotkey('5', ca, window_resize(hs.layout.right70))
hotkey('6', ca, window_resize(hs.layout.left25))
hotkey('7', ca, window_resize(hs.layout.right75))
hotkey('8', ca, window_resize(geometry.rect(0, 0, 0.20, 1)))
hotkey('9', ca, window_resize(geometry.rect(0.20, 0, 0.80, 1)))

-- hotkey('0', csa, demo_dump('/tmp/screencast0.txt'))
-- hotkey('1', csa, demo_dump('/tmp/screencast1.txt'))
-- hotkey('2', csa, demo_dump('/tmp/screencast2.txt'))
-- hotkey('3', csa, demo_dump('/tmp/screencast3.txt'))
-- hotkey('4', csa, demo_dump('/tmp/screencast4.txt'))
-- hotkey('5', csa, demo_dump('/tmp/screencast5.txt'))
-- hotkey('6', csa, demo_dump('/tmp/screencast6.txt'))
-- hotkey('7', csa, demo_dump('/tmp/screencast7.txt'))
-- hotkey('8', csa, demo_dump('/tmp/screencast8.txt'))

-- Machine-local Hammerspoon config, where a machine has any:
-- ~/.config/hammerspoon/local.lua, a real file beside the init.lua link and in
-- no repo, like ~/.localprofile for the shell. Only init.lua is linked, so that
-- directory is the machine's own and anything else in it stays there.
--
-- Last, so it can override the hotkeys and settings above, and in a pcall: a
-- mistake in it must not take the rest of this config down with it. Reload with
-- ctrl-shift-alt-h, the same as any other change here.
local local_config = os.getenv("HOME") .. "/.config/hammerspoon/local.lua"
if hs.fs.attributes(local_config) then
    local ok, err = pcall(dofile, local_config)
    if not ok then
        print("local.lua: " .. tostring(err))
        hs.notify.new({
            title = "Hammerspoon",
            informativeText = "local.lua failed: " .. tostring(err),
        }):send()
    end
end