pcall(require, "luarocks.loader")
local gears = require("gears")
local awful = require("awful")
require("awful.autofocus")
local wibox = require("wibox")
local beautiful = require("beautiful")
local naughty = require("naughty")
-- local menubar = require("menubar")

-- {{{ Error handling
-- Check if awesome encountered an error during startup and fell back to
-- another config (This code will only ever execute for the fallback config)
if awesome.startup_errors then
    naughty.notify({ preset = naughty.config.presets.critical,
                     title = "Oops, there were errors during startup!",
                     text = awesome.startup_errors })
end

-- Handle runtime errors after startup
do
    local in_error = false
    awesome.connect_signal("debug::error", function (err)
        -- Make sure we don't go into an endless error loop
        if in_error then return end
        in_error = true

        naughty.notify({ preset = naughty.config.presets.critical,
                         title = "Oops, an error happened!",
                         text = tostring(err) })
        in_error = false
    end)
end
-- }}}

-- actual config starts here
-- Themes define colours, icons, font and wallpapers.
beautiful.init(gears.filesystem.get_configuration_dir() .. "theme.lua")

-- This is used later as the default terminal and editor to run.
terminal = "st"
editor = "nvim"
editor_cmd = terminal .. " -e " .. editor
modkey = "Mod4"

-- Table of layouts to cover with awful.layout.inc, order matters.
awful.layout.layouts = {
    awful.layout.suit.fair,
    awful.layout.suit.spiral.dwindle,
    awful.layout.suit.max,
    awful.layout.suit.magnifier,
    awful.layout.suit.floating,
    awful.layout.suit.tile.left,
    awful.layout.suit.fair.horizontal,
--     awful.layout.suit.max.fullscreen,
--     awful.layout.suit.corner.nw,
--     awful.layout.suit.tile,
--     awful.layout.suit.tile.bottom,
--     awful.layout.suit.tile.top,
--     awful.layout.suit.spiral,
--     awful.layout.suit.corner.ne,
--     awful.layout.suit.corner.sw,
--     awful.layout.suit.corner.se,
}

-- Keyboard map indicator and switcher
mykeyboardlayout = awful.widget.keyboardlayout()

-- {{{ Wibar
-- Create a textclock widget
mytextclock = wibox.widget.textclock()

-- Create a wibox for each screen and add it
local taglist_buttons = gears.table.join(
                    awful.button({ }, 1, function(t) t:view_only() end),
                    awful.button({ modkey }, 1, function(t)
                                              if client.focus then
                                                  client.focus:move_to_tag(t)
                                              end
                                          end),
                    awful.button({ }, 3, awful.tag.viewtoggle),
                    awful.button({ modkey }, 3, function(t)
                                              if client.focus then
                                                  client.focus:toggle_tag(t)
                                              end
                                          end),
                    awful.button({ }, 4, function(t) awful.tag.viewnext(t.screen) end),
                    awful.button({ }, 5, function(t) awful.tag.viewprev(t.screen) end)
                )

local tasklist_buttons = gears.table.join(
                     awful.button({ }, 1, function (c)
                                              if c == client.focus then
                                                  c.minimized = true
                                              else
                                                  c:emit_signal(
                                                      "request::activate",
                                                      "tasklist",
                                                      {raise = true}
                                                  )
                                              end
                                          end),
                     awful.button({ }, 3, function()
                                              awful.menu.client_list({ theme = { width = 250 } })
                                          end),
                     awful.button({ }, 4, function ()
                                              awful.client.focus.byidx(1)
                                          end),
                     awful.button({ }, 5, function ()
                                              awful.client.focus.byidx(-1)
                                          end))

local function set_wallpaper(s)
    -- Wallpaper
    if beautiful.wallpaper then
        local wallpaper = beautiful.wallpaper
        -- If wallpaper is a function, call it with the screen
        if type(wallpaper) == "function" then
            wallpaper = wallpaper(s)
        end
        gears.wallpaper.maximized(wallpaper, s, true)
    end
end

-- Re-set wallpaper when a screen's geometry changes (e.g. different resolution)
screen.connect_signal("property::geometry", set_wallpaper)

awful.screen.connect_for_each_screen(function(s)
    -- Wallpaper
--     set_wallpaper(s)

    -- Each screen has its own tag table.
    awful.tag({ "一", "二", "三", "四", "五", "六", "七", "八", "九", "十" }, s, awful.layout.layouts[1])

    -- Create a promptbox for each screen
    -- s.mypromptbox = awful.widget.prompt()
    -- Create an imagebox widget which will contain an icon indicating which layout we're using.
    -- We need one layoutbox per screen.
    s.mylayoutbox = awful.widget.layoutbox(s)
    s.mylayoutbox:buttons(gears.table.join(
                           awful.button({ }, 1, function () awful.layout.inc( 1) end),
                           awful.button({ }, 3, function () awful.layout.inc(-1) end),
                           awful.button({ }, 4, function () awful.layout.inc( 1) end),
                           awful.button({ }, 5, function () awful.layout.inc(-1) end)))
    -- Create a taglist widget
    s.mytaglist = awful.widget.taglist {
        screen  = s,
        filter  = awful.widget.taglist.filter.all,
        buttons = taglist_buttons
    }

    -- Create a tasklist widget
    s.mytasklist = awful.widget.tasklist {
        screen  = s,
        filter  = awful.widget.tasklist.filter.minimizedcurrenttags,
        buttons = tasklist_buttons
    }

    s.showcurrenttag = awful.widget.tasklist {
	    screen = s,
	    filter = awful.widget.tasklist.filter.focused,
	    buttons = tasklist_buttons
    }

    -- Create the wibox
    s.mywibox = awful.wibar({ position = "bottom", screen = s })

    -- Add widgets to the wibox
    s.mywibox:setup {
        layout = wibox.layout.align.horizontal,
        { -- Left widgets
            layout = wibox.layout.fixed.horizontal,
            mylauncher,
            wibox.widget.systray(),
            s.mytaglist,
            s.mypromptbox,
        },
	{ -- Middle widgets
	    layout = wibox.layout.flex.horizontal,
            s.showcurrenttag,
    	},
--	{ -- minimized tasks
--	    layout = wibox.layout.fixed.horizontal,
--	    s.mytasklist, 
--   	},
        { -- Right widgets
            layout = wibox.layout.fixed.horizontal,
	    s.mytasklist,
            mykeyboardlayout,
            mytextclock,
            s.mylayoutbox,
        },
    }
end)
-- }}}

-- {{{ Mouse bindings
root.buttons(gears.table.join(
    awful.button({ }, 3, function () naughty.notify({ title = "Achtung!", text = "You're idling", timeout = 0 }) end),
    awful.button({ }, 5, awful.tag.viewnext),
    awful.button({ }, 4, awful.tag.viewprev)
))
-- }}}

-- for window navigation with hjkl
-- i.e vim movement keys
vimNavKeys = gears.table.join(
    awful.key({ modkey, }, "j", function () awful.client.focus.bydirection("down")
        if client.focus then client.focus:raise() end
    end),
    awful.key({ modkey, }, "k", function () awful.client.focus.bydirection("up")
        if client.focus then client.focus:raise() end
    end),
    awful.key({ modkey, }, "h", function () awful.client.focus.bydirection("left")
        if client.focus then client.focus:raise() end
    end),
    awful.key({ modkey, }, "l", function () awful.client.focus.bydirection("right")
        if client.focus then client.focus:raise() end
    end)
)

-- for manipulating layout with hjkl
-- i.e move windows with vim movement keys
vimLayoutKeys = gears.table.join(
    awful.key({ "Mod4", "Shift"   }, "h", function () awful.client.swap.bydirection("left")  end),
    awful.key({ "Mod4", "Shift"   }, "j", function () awful.client.swap.bydirection("down")  end),
    awful.key({ "Mod4", "Shift"   }, "k", function () awful.client.swap.bydirection("up")    end),
    awful.key({ "Mod4", "Shift"   }, "l", function () awful.client.swap.bydirection("right") end)
)

layoutKeys = gears.table.join(
    -- cycle through layouts
    awful.key({ modkey, }, "space", function () awful.layout.inc( 1) end),

    -- I need these to resize window in magnifier layout
    -- increase master width factor
    awful.key({ modkey, }, "=", function () awful.tag.incmwfact( 0.05) end),
    -- decrease master width factor
    awful.key({ modkey, }, "-", function () awful.tag.incmwfact(-0.05) end)
)

-- keybindings to navigate b/w monitors
-- I don't use them
multiMonitorNavKeys = gears.table.join(
    -- focus next screen
    awful.key({ modkey, "Control" }, "j", function () awful.screen.focus_relative( 1) end),
    -- focus preious screen
   awful.key({ modkey, "Control" }, "k", function () awful.screen.focus_relative(-1) end)
)

tagKeys = gears.table.join(
    -- cycle tabs using h and l
    awful.key({ "Mod1", }, "h",   awful.tag.viewprev),
    awful.key({ "Mod1", }, "l",  awful.tag.viewnext),
    -- go back to last tag
    awful.key({ "Mod1", }, "Tab", awful.tag.history.restore)
)




-- keybindings to handle clients
-- i.e minimizing, maximizing, hiding, closing windows
clientkeys = gears.table.join(
    -- kill client
    awful.key({ modkey, "Shift", }, "c",      function (c) c:kill() end),

    -- toggle fulscreen
    awful.key({ modkey, }, "f", function (c)
            c.fullscreen = not c.fullscreen
            c:raise() end),

    -- minimize focused client
    awful.key({ modkey, }, "m",
        function (c) c.minimized = true end),
    -- unminimize clients
    -- somehow this doesn't work if every
    -- client on current tag is minimized
    awful.key({ modkey, }, "g", 
    	function ()
                  local c = awful.client.restore()
                  -- Focus restored client
                  if c then
                    c:emit_signal(
                        "request::activate", "key.unminimize", {raise = true}
                    )
                  end 
	end),

    -- float/unfloat window
    awful.key({ modkey, }, "d",  awful.client.floating.toggle),
    -- keep window on top
    awful.key({ modkey, }, "t", function (c) c.ontop = not c.ontop end),
    
    -- (un)maximize client
    awful.key({ modkey, }, "n", function (c)
            c.maximized = not c.maximized
            c:raise() end),
    -- (un)maximize client vertically
    awful.key({ modkey, }, "v", function (c)
            c.maximized_vertical = not c.maximized_vertical
            c:raise() end),
    -- (un)maximize client horizontally
    awful.key({ modkey, }, "b", function (c)
            c.maximized_horizontal = not c.maximized_horizontal
            c:raise() end),

    -- jump to urgent client
    awful.key({ modkey, }, "u", awful.client.urgent.jumpto),

    -- focus previous client
    awful.key({ modkey, }, "Tab", 
    function ()
            awful.client.focus.history.previous()
            if client.focus then
                client.focus:raise()
            end 
    end),
     
    -- move client to master
    awful.key({  modkey, "Shift" }, "Return", function (c) c:swap(awful.client.getmaster()) end)
)

awesomeKeys = gears.table.join(
    awful.key({ modkey, "Control" }, "r", awesome.restart),
    awful.key({ modkey, "Shift" }, "q", awesome.quit)
)

globalkeys = gears.table.join(
    awesomeKeys,
    vimNavKeys,
    multiMonitorNavKeys,
    vimLayoutKeys,
    layoutKeys,
    tagKeys
)





-- Bind all key numbers to tags.
-- Be careful: we use keycodes to make it work on any keyboard layout.
-- This should map on the top row of your keyboard, usually 1 to 9.
for i = 1, 10 do
    globalkeys = gears.table.join(globalkeys,
        -- View tag only.
        awful.key({ modkey }, "#" .. i + 9,
                  function ()
                        local screen = awful.screen.focused()
                        local tag = screen.tags[i]
                        if tag then
                           tag:view_only()
                        end
                  end,
                  {description = "view tag #"..i, group = "tag"}),
        -- Toggle tag display.
        awful.key({ "Mod1" }, "#" .. i + 9,
                  function ()
                      local screen = awful.screen.focused()
                      local tag = screen.tags[i]
                      if tag then
                         awful.tag.viewtoggle(tag)
                      end
                  end,
                  {description = "toggle tag #" .. i, group = "tag"}),
        -- Move client to tag.
        awful.key({ modkey, "Shift" }, "#" .. i + 9,
                  function ()
                      if client.focus then
                          local tag = client.focus.screen.tags[i]
                          if tag then
                              client.focus:move_to_tag(tag)
                          end
                     end
                  end,
                  {description = "move focused client to tag #"..i, group = "tag"}),
        -- Toggle tag on focused client.
        awful.key({ "Mod1", "Shift" }, "#" .. i + 9,
                  function ()
                      if client.focus then
                          local tag = client.focus.screen.tags[i]
                          if tag then
                              client.focus:toggle_tag(tag)
                          end
                      end
                  end,
                  {description = "toggle focused client on tag #" .. i, group = "tag"})
    )
end

clientbuttons = gears.table.join(
--     awful.button({ }, 1, function (c)
--         c:emit_signal("request::activate", "mouse_click", {raise = true})
--     end),
    awful.button({ modkey }, 1, function (c)
        c:emit_signal("request::activate", "mouse_click", {raise = true})
        awful.mouse.client.move(c)
    end),
    awful.button({ modkey }, 3, function (c)
        c:emit_signal("request::activate", "mouse_click", {raise = true})
        awful.mouse.client.resize(c)
    end)
)

-- Set keys
root.keys(globalkeys)
-- }}}

-- {{{ Rules
-- Rules to apply to new clients (through the "manage" signal).
awful.rules.rules = {
    -- All clients will match this rule.
    { rule = { },
      properties = { border_width = beautiful.border_width,
                     border_color = beautiful.border_normal,
                     focus = awful.client.focus.filter,
                     raise = true,
                     titlebars_enabled = false,
		     keys = clientkeys,
                     buttons = clientbuttons,
                     screen = awful.screen.preferred,
                     placement = awful.placement.no_overlap+awful.placement.no_offscreen
     }
    },

    -- Floating clients.
    { rule_any = {
        instance = {
		"scrcpy",
        },
        class = {
          "gimp",
          "Sxiv",
          "Tor Browser", -- Needs a fixed window size to avoid fingerprinting by screen size.
          "xtightvncviewer"},

        -- Note that the name property shown in xprop might be set slightly after creation of the client
        -- and the name shown there might not match defined rules here.
        name = {
          "Event Tester",  -- xev.
        },
        role = {
          "AlarmWindow",  -- Thunderbird's calendar.
          "ConfigManager",  -- Thunderbird's about:config.
          "pop-up",       -- e.g. Google Chrome's (detached) Developer Tools.
        }
      }, properties = { floating = false,
                        above = true,
	}},

    -- Set Firefox to always map on the tag named "2" on screen 1.
    { rule = { class = "Firefox" },
    properties = { screen = 1, tag = "2" } },
}
-- }}}

-- {{{ Signals
-- Signal function to execute when a new client appears.
client.connect_signal("manage", function (c)
    -- Set the windows at the slave,
    -- i.e. put it at the end of others instead of setting it master.
    if not awesome.startup then awful.client.setslave(c) end

    if awesome.startup
      and not c.size_hints.user_position
      and not c.size_hints.program_position then
        -- Prevent clients from being unreachable after screen count changes.
        awful.placement.no_offscreen(c)
    end
end)

-- Enable sloppy focus, so that focus follows mouse.
client.connect_signal("mouse::enter", function(c)
    c:emit_signal("request::activate", "mouse_enter", {raise = false})
end)

client.connect_signal("focus", function(c) c.border_color = beautiful.border_focus end)
client.connect_signal("unfocus", function(c) c.border_color = beautiful.border_normal end)
-- }}}

-- autostarts
-- awful.spawn.with_shell("nitrogen --restore")
-- awful.spawn.with_shell("picom")
-- awful.spawn.with_shell("firefox")
-- awful.spawn.with_shell("sxhkd")
-- awful.spawn.with_shell("deadd-notification-center")