ta-- Modules
local gears = require("gears")
local awful = require("awful")
awful.rules = require("awful.rules")
awful.autofocus = require("awful.autofocus")
local naughty = require("naughty")
local wibox = require("wibox")
local beautiful = require("beautiful")
local lain = require("lain")
vicious = require("vicious")
require('freedesktop.utils')
require('freedesktop.menu')
local menubar = require("menubar")
require("volume")

-- Variables
home_path = os.getenv('HOME') .. '/'
terminal = "x-terminal-emulator"
editor = "geany"
editor_cmd = editor
modkey = "Mod4"
modkey_alt = "Mod1"
-- Run or raise function
function run_or_raise(cmd, properties)
   local clients = client.get()
   local focused = awful.client.next(0)
   local findex = 0
   local matched_clients = {}
   local n = 0
   for i, c in pairs(clients) do
      --make an array of matched clients
      if match(properties, c) then
         n = n + 1
         matched_clients[n] = c
         if c == focused then
            findex = n
         end
      end
   end
   if n > 0 then
      local c = matched_clients[1]
      -- if the focused window matched switch focus to next in list
      if 0 < findex and findex < n then
         c = matched_clients[findex+1]
      end
      local ctags = c:tags()
      if #ctags == 0 then
         -- ctags is empty, show client on current tag
         local curtag = awful.tag.selected()
         awful.client.movetotag(curtag, c)
      else
         -- Otherwise, pop to first tag client is visible on
         awful.tag.viewonly(ctags[1])
      end
      -- And then focus the client
      client.focus = c
      c:raise()
      return
   end
   awful.util.spawn(cmd)
end

-- Returns true if all pairs in table1 are present in table2 (for use by "Run of raise")
function match (table1, table2)
   for k, v in pairs(table1) do
      if table2[k] ~= v and not table2[k]:find(v) then
         return false
      end
   end
   return true
end

-- Run once function
function run_once(cmd)
  findme = cmd
  firstspace = cmd:find(" ")
  if firstspace then
    findme = cmd:sub(0, firstspace-1)
  end
  awful.util.spawn_with_shell("pgrep -u $USER -x " .. findme .. " > /dev/null || (" .. cmd .. ")")
end

-- Appearance
beautiful.init( awful.util.getdir("config") .. "/themes/default/theme.lua" )
if beautiful.wallpaper then
    for s = 1, screen.count() do
        gears.wallpaper.maximized(beautiful.wallpaper, s, true)
    end
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 = err })
        in_error = false
   end)
end

-- Autostart
awful.util.spawn_with_shell(run_once('setxkbmap -layout "us,ru" setxkbmap -option "grp:caps_toggle,grp_led:scroll,compose:ralt"'))
awful.util.spawn_with_shell(run_once('kbdd &'))
awful.util.spawn_with_shell(run_once("xsettingsd &"))
awful.util.spawn_with_shell(run_once("mpd &"))
awful.util.spawn_with_shell(run_once("nm-applet &"))
awful.util.spawn_with_shell(run_once("clipit &"))
awful.util.spawn_with_shell(run_once("/usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1 &"))

-- Key bindings
globalkeys = awful.util.table.join(
    awful.key({ modkey,           }, "Left",   awful.tag.viewprev       ),
    awful.key({ modkey,           }, "Right",  awful.tag.viewnext       ),
    awful.key({ modkey,           }, "Escape", awful.tag.history.restore),
    awful.key({ modkey,           }, "j",
        function ()
            awful.client.focus.byidx( 1)
            if client.focus then client.focus:raise() end
        end),
    awful.key({ modkey,           }, "k",
        function ()
            awful.client.focus.byidx(-1)
            if client.focus then client.focus:raise() end
        end),

    -- Layout manipulation
    awful.key({ modkey, "Shift"   }, "j", function () awful.client.swap.byidx(  1)    end),
    awful.key({ modkey, "Shift"   }, "k", function () awful.client.swap.byidx( -1)    end),
    awful.key({ modkey, "Control" }, "j", function () awful.screen.focus_relative( 1) end),
    awful.key({ modkey, "Control" }, "k", function () awful.screen.focus_relative(-1) end),
    awful.key({ modkey,           }, "u", awful.client.urgent.jumpto),
    awful.key({ modkey,           }, "Tab",
        function ()
            awful.client.focus.history.previous()
            if client.focus then
                client.focus:raise()
            end
        end),

    -- Standard program
    awful.key({ modkey, "Control" }, "r", awesome.restart),
    awful.key({ modkey, "Shift"   }, "q", awesome.quit),
    awful.key({ modkey,           }, "l",     function () awful.tag.incmwfact( 0.05)    end),
    awful.key({ modkey,           }, "h",     function () awful.tag.incmwfact(-0.05)    end),
    awful.key({ modkey, "Shift"   }, "h",     function () awful.tag.incnmaster( 1)      end),
    awful.key({ modkey, "Shift"   }, "l",     function () awful.tag.incnmaster(-1)      end),
    awful.key({ modkey, "Control" }, "h",     function () awful.tag.incncol( 1)         end),
    awful.key({ modkey, "Control" }, "l",     function () awful.tag.incncol(-1)         end),
    awful.key({ modkey,           }, "space", function () awful.layout.inc( 1) end),
    awful.key({ modkey, "Shift"   }, "space", function () awful.layout.inc(-1) end),

    awful.key({ modkey, "Control" }, "n",
              function ()
                  c = awful.client.restore()
                  -- Focus restored client
                  if c then
                      client.focus = c
                      c:raise()
                  end
              end),

    -- Prompt
    awful.key({ modkey },            "r",     function () mypromptbox[mouse.screen]:run() end),
	-- Lua exec
    awful.key({ modkey }, "x",
              function ()
                  awful.prompt.run({ prompt = "Run Lua code: " },
                  mypromptbox[mouse.screen].widget,
                  awful.util.eval, nil,
                  awful.util.getdir("cache") .. "/history_eval")
              end),
    -- Menubar
    awful.key({ modkey }, "p", function() menubar.show() end),

    -- Launch
    awful.key({ modkey, }, "w", function () run_or_raise("x-www-browser", { class = "Iceweasel" }) end),
    awful.key({ modkey, }, "m", function () run_or_raise("icedove", { class = "Icedove" }) end),
    awful.key({ modkey, }, "l", function () awful.util.spawn("dm-tool lock") end),
    awful.key({ modkey, }, "t", function () awful.util.spawn("x-terminal-emulator") end),
    awful.key({ modkey, }, "f", function () awful.util.spawn("thunar") end),
    awful.key({ modkey, }, "q", function () awful.util.spawn("tkscreen") end),
    awful.key({ modkey, }, "a", function () awful.util.spawn("x-terminal-emulator -e ncmpcpp") end),
    awful.key({ modkey, }, "F1", function () awful.util.spawn("x-terminal-emulator -e sudo htop") end),
    awful.key({}, "XF86Calculator", function () awful.util.spawn ("qalculate") end),

    -- Multimedia
    awful.key({}, "XF86AudioPlay", function () awful.util.spawn("mpc toggle") end),
    awful.key({}, "XF86AudioNext", function () awful.util.spawn("mpc next") end),
    awful.key({}, "XF86AudioPrev", function () awful.util.spawn("mpc prev") end),
    awful.key({}, "XF86AudioStop", function () awful.util.spawn("mpc stop") end),
    awful.key({ }, "XF86AudioRaiseVolume", function () awful.util.spawn("amixer set Master 4%+ on") end),
    awful.key({ }, "XF86AudioLowerVolume", function () awful.util.spawn("amixer set Master 4%- on") end),
    awful.key({ }, "XF86AudioMute", function () awful.util.spawn("amixer set Master toggle") end)
)

-- Mouse bindings
root.buttons(awful.util.table.join(
    awful.button({ }, 3, function () mymainmenu:toggle() end),
    awful.button({ }, 4, awful.tag.viewnext),
    awful.button({ }, 5, awful.tag.viewprev)
))


clientkeys = awful.util.table.join(
    awful.key({ modkey,           }, "F11",      function (c) c.fullscreen = not c.fullscreen  end),
    awful.key({ modkey, "Shift"   }, "c",      function (c) c:kill()                         end),
    awful.key({ modkey, "Control" }, "space",  awful.client.floating.toggle                     ),
    awful.key({ modkey, "Control" }, "Return", function (c) c:swap(awful.client.getmaster()) end),
    awful.key({ modkey,           }, "o",      awful.client.movetoscreen                        ),
    awful.key({ modkey,           }, "t",      function (c) c.ontop = not c.ontop            end),
    awful.key({ modkey,           }, "n",
        function (c)
            -- The client currently has the input focus, so it cannot be
            -- minimized, since minimized clients can't have the focus.
            c.minimized = true
        end),
    awful.key({ modkey,           }, "m",
        function (c)
            c.maximized_horizontal = not c.maximized_horizontal
            c.maximized_vertical   = not c.maximized_vertical
        end)
)

clientbuttons = awful.util.table.join(
    awful.button({ }, 1, function (c) client.focus = c; c:raise() end),
    awful.button({ modkey }, 1, awful.mouse.client.move),
    awful.button({ modkey }, 3, awful.mouse.client.resize))

-- Rules
awful.rules.rules = {
{ rule = { },
properties = { border_width = beautiful.border_width,
              border_color = beautiful.border_normal,
              focus = awful.client.focus.filter,
              keys = clientkeys,
              size_hints_honor = false,
              buttons = clientbuttons } },
{ rule = { instance = "pidgin" },
properties = { floating = true }
},
{ rule = { instance = "Pidgin" },
properties = { floating = true }
},
{ rule = { class = "qemu-system-x86_64" },
properties = { floating = true }
},
{ rule = { name = "File Operation Progress" },
properties = { floating = true }
},
{ rule = { class = "xfce4-appfinder" },
properties = { floating = true }
},
{ rule = { class = "Xfce4-appfinder" },
properties = { floating = true }
},
{ rule = { instance = "qalculate" },
properties = { floating = true }
}
}

-- Table of layouts to cover with awful.layout.inc, order matters.
awful.layout.layouts = {
    awful.layout.suit.floating,
    lain.layout.centerfair, -- будет использоваться для тегов, где обычно то, чему не нужен фуллскрин
    awful.layout.suit.fair, -- будет использоваться для всех остальных тегов
    awful.layout.suit.tile, -- будет использоваться для тегов, где нужен фуллскрин и есть одно главное окно
--    awful.layout.suit.tile.left
--    awful.layout.suit.tile.bottom,
--    awful.layout.suit.tile.top,
--    awful.layout.suit.fair,
--    awful.layout.suit.fair.horizontal,
--    awful.layout.suit.spiral
--    awful.layout.suit.spiral.dwindle,
--    awful.layout.suit.max,
--    awful.layout.suit.max.fullscreen,
--    awful.layout.suit.magnifier
}

-- Tags
-- Define a tag table which hold all screen tags.
tags = {}
for s = 1, screen.count() do
    -- Each screen has its own tag table.
    tags[s] = awful.tag({ 1, 2, 3, 4, 5, 6, 7, 8, 9 }, s, lain.layout.centerfair)
end

-- Menu
-- Create a laucher widget and a main menu
myawesomemenu = {
--   { "manual", terminal .. " -e man awesome" },
   { "edit config", editor_cmd .. " " .. awesome.conffile },
   { "restart", awesome.restart },
--   { "quit", awesome.quit }
}
sessionmenu = {
--   { "manual", terminal .. " -e man awesome" },
   { "lock session", "dm-tool lock" },
   { "quit awesome", awesome.quit },
   { "switch user", "dm-tool switch-to-greeter" },
   { "suspend", "systemctl suspend -i" },

   { "reboot", "systemctl reboot -i" },
   { "shutdown", "systemctl shutdown -i" }

}

mymainmenu = awful.menu({ items = { { "awesome", myawesomemenu, beautiful.awesome_icon }, { "session", sessionmenu } }
                        })

mylauncher = awful.widget.launcher({ image = beautiful.awesome_icon,
                                     menu = mymainmenu })

-- Menubar configuration
menubar.utils.terminal = terminal -- Set the terminal for applications that require it

-- Wibox

-- Create a textclock widget
mytextclock = awful.widget.textclock()

-- Create a wibox for each screen and add it
mywibox = {}
mypromptbox = {}
mylayoutbox = {}
mytaglist = {}
mytaglist.buttons = awful.util.table.join(
                    awful.button({ }, 1, awful.tag.viewonly),
                    awful.button({ modkey }, 1, awful.client.movetotag),
                    awful.button({ }, 3, awful.tag.viewtoggle),
                    awful.button({ modkey }, 3, awful.client.toggletag),
                    awful.button({ }, 4, function(t) awful.tag.viewnext(awful.tag.getscreen(t)) end),
                    awful.button({ }, 5, function(t) awful.tag.viewprev(awful.tag.getscreen(t)) end)
                    )
mytasklist = {}
mytasklist.buttons = awful.util.table.join(
                     awful.button({ }, 1, function (c)
                                              if c == client.focus then
                                                  c.minimized = true
                                              else
                                                  -- Without this, the following
                                                  -- :isvisible() makes no sense
                                                  c.minimized = false
                                                  if not c:isvisible() then
                                                      awful.tag.viewonly(c:tags()[1])
                                                  end
                                                  -- This will also un-minimize
                                                  -- the client, if needed
                                                  client.focus = c
                                                  c:raise()
                                              end
                                          end),
                     awful.button({ }, 3, function ()
                                              if instance then
                                                  instance:hide()
                                                  instance = nil
                                              else
                                                  instance = awful.menu.clients({
                                                      theme = { width = 250 }
                                                  })
                                              end
                                          end),
                     awful.button({ }, 4, function ()
                                              awful.client.focus.byidx(1)
                                              if client.focus then client.focus:raise() end
                                          end),
                     awful.button({ }, 5, function ()
                                              awful.client.focus.byidx(-1)
                                              if client.focus then client.focus:raise() end
                                          end))

for s = 1, screen.count() do
    -- Create a promptbox for each screen
    mypromptbox[s] = awful.widget.prompt()
    -- Create an imagebox widget which will contains an icon indicating which layout we're using.
    -- We need one layoutbox per screen.
    mylayoutbox[s] = awful.widget.layoutbox(s)
    mylayoutbox[s]:buttons(awful.util.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
    mytaglist[s] = awful.widget.taglist(s, awful.widget.taglist.filter.all, mytaglist.buttons)

    -- Create a tasklist widget
    mytasklist[s] = awful.widget.tasklist(s, awful.widget.tasklist.filter.currenttags, mytasklist.buttons)

    -- Create the wibox
    mywibox[s] = awful.wibox({ position = "top", screen = s })

    -- Widgets that are aligned to the left
    local left_layout = wibox.layout.fixed.horizontal()
    left_layout:add(mylauncher)
    left_layout:add(mytaglist[s])
    left_layout:add(mypromptbox[s])

    -- Widgets that are aligned to the right
    local right_layout = wibox.layout.fixed.horizontal()
    if s == 1 then right_layout:add(wibox.widget.systray()) end
    right_layout:add(volume_widget)
    right_layout:add(mytextclock)
    right_layout:add(mylayoutbox[s])
    -- Now bring it all together (with the tasklist in the middle)
    local layout = wibox.layout.align.horizontal()
    layout:set_left(left_layout)
    layout:set_middle(mytasklist[s])
    layout:set_right(right_layout)

    mywibox[s]:set_widget(layout)
end

-- Bind all key numbers to tags.
-- Be careful: we use keycodes to make it works on any keyboard layout.
-- This should map on the top row of your keyboard, usually 1 to 9.
for i = 1, 9 do
    globalkeys = awful.util.table.join(globalkeys,
        -- View tag only.
        awful.key({ modkey }, "#" .. i + 9,
                  function ()
                        local screen = mouse.screen
                        local tag = awful.tag.gettags(screen)[i]
                        if tag then
                           awful.tag.viewonly(tag)
                        end
                  end),
        -- Toggle tag.
        awful.key({ modkey, "Control" }, "#" .. i + 9,
                  function ()
                      local screen = mouse.screen
                      local tag = awful.tag.gettags(screen)[i]
                      if tag then
                         awful.tag.viewtoggle(tag)
                      end
                  end),
        -- Move client to tag.
        awful.key({ modkey, "Shift" }, "#" .. i + 9,
                  function ()
                      if client.focus then
                          local tag = awful.tag.gettags(client.focus.screen)[i]
                          if tag then
                              awful.client.movetotag(tag)
                          end
                     end
                  end),
        -- Toggle tag.
        awful.key({ modkey, "Control", "Shift" }, "#" .. i + 9,
                  function ()
                      if client.focus then
                          local tag = awful.tag.gettags(client.focus.screen)[i]
                          if tag then
                              awful.client.toggletag(tag)
                          end
                      end
                  end))
end

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

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

        -- Put windows in a smart way, only if they does not set an initial position.
        if not c.size_hints.user_position and not c.size_hints.program_position then
            awful.placement.no_overlap(c)
            awful.placement.no_offscreen(c)
        end
    elseif not c.size_hints.user_position and not c.size_hints.program_position then
        -- Prevent clients from being unreachable after screen count change
        awful.placement.no_offscreen(c)
    end

    local titlebars_enabled = false
    if titlebars_enabled and (c.type == "normal" or c.type == "dialog") then
        -- buttons for the titlebar
        local buttons = awful.util.table.join(
                awful.button({ }, 1, function()
                    client.focus = c
                    c:raise()
                    awful.mouse.client.move(c)
                end),
                awful.button({ }, 3, function()
                    client.focus = c
                    c:raise()
                    awful.mouse.client.resize(c)
                end)
                )

        -- Widgets that are aligned to the left
        local left_layout = wibox.layout.fixed.horizontal()
        left_layout:add(awful.titlebar.widget.iconwidget(c))
        left_layout:buttons(buttons)

        -- Widgets that are aligned to the right
        local right_layout = wibox.layout.fixed.horizontal()
        right_layout:add(awful.titlebar.widget.floatingbutton(c))
        right_layout:add(awful.titlebar.widget.maximizedbutton(c))
        right_layout:add(awful.titlebar.widget.stickybutton(c))
        right_layout:add(awful.titlebar.widget.ontopbutton(c))
        right_layout:add(awful.titlebar.widget.closebutton(c))

        -- The title goes in the middle
        local middle_layout = wibox.layout.flex.horizontal()
        local title = awful.titlebar.widget.titlewidget(c)
        title:set_align("center")
        middle_layout:add(title)
        middle_layout:buttons(buttons)

        -- Now bring it all together
        local layout = wibox.layout.align.horizontal()
        layout:set_left(left_layout)
        layout:set_right(right_layout)
        layout:set_middle(middle_layout)

        awful.titlebar(c):set_widget(layout)
    end
end)

-- Enable sloppy focus
client.connect_signal("mouse::enter", function(c)
    if awful.layout.get(c.screen) ~= awful.layout.suit.magnifier
        and awful.client.focus.filter(c) then
        client.focus = c
    end
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)
-- }}}