-- Standard awesome library
require("awful")
require("awful.autofocus")
require("awful.rules")
-- Theme handling library
require("beautiful")
-- Notification library
require("naughty")

-- Load Debian menu entries
require("debian.menu")

-- Awesompd
require("awesompd/awesompd")

-- Sound Control
function pulseDevice()
	local f = io.popen("pactl info | grep '^Default Sink'")
	local d = f:read()
	local pulse_device_name = string.gsub(d, ".*: (.*)", "%1")
	f:close()
	return pulse_device_name
end
function volumeUp()
	pulse_device_name = pulseDevice()
	local step = 655
	local f = io.popen("pacmd dump |grep 'set-sink-volume "..pulse_device_name.."'")
	local v = f:read()
	local volume = tonumber(string.sub(v, string.find(v, 'x') - 1))
	local newVolume = volume + step
	if newVolume > 65536 then
		newVolume = 65536
	end
	io.popen("pacmd set-sink-volume "..pulse_device_name.." "..newVolume)
	volumeInfo()
	f:close()
end
function volumeDown()
	pulse_device_name = pulseDevice()
	local step = 655
	local f = io.popen("pacmd dump |grep 'set-sink-volume "..pulse_device_name.."'")
	local v = f:read()
	local volume = tonumber(string.sub(v, string.find(v, 'x') - 1))
	local newVolume = volume - step
	if newVolume < 0 then
		newVolume = 0
	end
	io.popen("pacmd set-sink-volume "..pulse_device_name.." "..newVolume)
	volumeInfo()
	f:close()
end
function volumeMute()
	pulse_device_name = pulseDevice()
	local g = io.popen("pacmd dump |grep 'set-sink-mute "..pulse_device_name.."'")
	local mute = g:read()
	if string.find(mute, "no") then
		io.popen("pacmd set-sink-mute "..pulse_device_name.." yes")
	else
		io.popen("pacmd set-sink-mute "..pulse_device_name.." no")
	end
	volumeInfo()
	g:close()
end
function volumeInfo()
	pulse_device_name = pulseDevice()
	volmin = 0
	volmax = 65536
	local f = io.popen("pacmd dump |grep 'set-sink-volume "..pulse_device_name.."'")
	local g = io.popen("pacmd dump |grep 'set-sink-mute "..pulse_device_name.."'")
	local v = f:read()
	local mute = g:read()
	if string.find(mute, "no") then
		volume = math.floor(tonumber(string.sub(v, string.find(v, 'x')-1)) * 100 / volmax).." %"
	else
		volume = "✕"
	end
	volumewidget.text = "𝅘𝅥𝅮  "..volume.."|"
	f:close()
	g:close()
end

-- {{{ Variable definitions
-- Themes define colours, icons, and wallpapers
beautiful.init(".config/awesome/theme.lua")

-- This is used later as the default terminal and editor to run.
terminal = "x-terminal-emulator"
editor = os.getenv("EDITOR") or "editor"
editor_cmd = terminal .. " -e " .. editor

-- Default modkey.
-- Usually, Mod4 is the key with a logo between Control and Alt.
-- If you do not like this or do not have such a key,
-- I suggest you to remap Mod4 to another key using xmodmap or other tools.
-- However, you can use another modifier like Mod1, but it may interact with others.
modkey = "Mod4"

-- Table of layouts to cover with awful.layout.inc, order matters.
layouts =
{
    awful.layout.suit.floating,
    awful.layout.suit.tile,
    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 = {
	names  = { "terms", "www", "video", "mail", 5, 6, 7, 8, 9 },
	layout = { layouts[3], layouts[3], layouts[3], layouts[3], layouts[3],
	layouts[3], layouts[3], layouts[3], layouts[3]
}}
for s = 1, screen.count() do
	-- Each screen has its own tag table.
	tags[s] = awful.tag(tags.names, s, tags.layout)
end
-- }}}

-- {{{ Menu
-- Create a laucher widget and a main menu
myawesomemenu = {
   { "manual", terminal .. " -e man awesome" },
   { "edit config", editor_cmd .. " " .. awful.util.getdir("config") .. "/rc.lua" },
   { "restart", awesome.restart },
   { "quit", awesome.quit }
}

mymainmenu = awful.menu({ items = { { "awesome", myawesomemenu, beautiful.awesome_icon },
                                    { "Debian", debian.menu.Debian_menu.Debian },
                                    { "open terminal", terminal },
									{ "change background", "/home/meutel/bin/rotate_wallpapers.sh" }
                                  }
                        })

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

-- {{{ Awesompd
musicwidget = awesompd:create() -- Create awesompd widget
musicwidget.font = "Terminus" -- Set widget font 
musicwidget.scrolling = true -- If true, the text in the widget will be scrolled
musicwidget.output_size = 60 -- Set the size of widget in symbols
musicwidget.update_interval = 10 -- Set the update interval in seconds
-- Set the folder where icons are located (change username to your login name)
musicwidget.path_to_icons = "/home/meutel/.config/awesome/awesompd/icons" 
-- Set the default music format for Jamendo streams. You can change
-- this option on the fly in awesompd itself.
-- possible formats: awesompd.FORMAT_MP3, awesompd.FORMAT_OGG
-- musicwidget.jamendo_format = awesompd.FORMAT_MP3
-- If true, song notifications for Jamendo tracks and local tracks will also contain
-- album cover image.
musicwidget.show_album_cover = true
-- Specify how big in pixels should an album cover be. Maximum value
-- is 100.
musicwidget.album_cover_size = 50
-- This option is necessary if you want the album covers to be shown
-- for your local tracks.
-- musicwidget.mpd_config = "/home/username/.mpdconf"
-- Specify the browser you use so awesompd can open links from
-- Jamendo in it.
-- musicwidget.browser = "firefox"
-- Specify decorators on the left and the right side of the
-- widget. Or just leave empty strings if you decorate the widget
-- from outside.
musicwidget.ldecorator = " "
musicwidget.rdecorator = " |"
-- Set all the servers to work with (here can be any servers you use)
musicwidget.servers = {
     { server = "localhost",
          port = 6600 },
     }
-- Set the buttons of the widget
musicwidget:register_buttons({ { "", awesompd.MOUSE_LEFT, musicwidget:command_toggle() },
				   { "Control", awesompd.MOUSE_SCROLL_UP, musicwidget:command_prev_track() },
 			       { "Control", awesompd.MOUSE_SCROLL_DOWN, musicwidget:command_next_track() },
 			       { "", awesompd.MOUSE_SCROLL_UP, musicwidget:command_volume_up() },
 			       { "", awesompd.MOUSE_SCROLL_DOWN, musicwidget:command_volume_down() },
 			       { "", awesompd.MOUSE_RIGHT, musicwidget:command_show_menu() } })
musicwidget:run() -- After all configuration is done, run the widget
-- }}}

-- {{{ Volume widget
volumewidget = widget({type = "textbox", name = "volumewidget", align = "right"})
volumeInfo()
-- }}}

-- {{{ Wibox
-- Create a textclock widget
mytextclock = awful.widget.textclock({ align = "right" })

-- Create a systray
mysystray = widget({ type = "systray" })

-- 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, awful.tag.viewnext),
                    awful.button({ }, 5, awful.tag.viewprev)
                    )
mytasklist = {}
mytasklist.buttons = awful.util.table.join(
                     awful.button({ }, 1, function (c)
                                              if not c:isvisible() then
                                                  awful.tag.viewonly(c:tags()[1])
                                              end
                                              client.focus = c
                                              c:raise()
                                          end),
                     awful.button({ }, 3, function ()
                                              if instance then
                                                  instance:hide()
                                                  instance = nil
                                              else
                                                  instance = awful.menu.clients({ 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({ layout = awful.widget.layout.horizontal.leftright })
    -- 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(layouts, 1) end),
                           awful.button({ }, 3, function () awful.layout.inc(layouts, -1) end),
                           awful.button({ }, 4, function () awful.layout.inc(layouts, 1) end),
                           awful.button({ }, 5, function () awful.layout.inc(layouts, -1) end)))
    -- Create a taglist widget
    mytaglist[s] = awful.widget.taglist(s, awful.widget.taglist.label.all, mytaglist.buttons)

    -- Create a tasklist widget
    mytasklist[s] = awful.widget.tasklist(function(c)
                                              return awful.widget.tasklist.label.currenttags(c, s)
                                          end, mytasklist.buttons)

    -- Create the wibox
    mywibox[s] = awful.wibox({ position = "top", screen = s })
    -- Add widgets to the wibox - order matters
    mywibox[s].widgets = {
        {
            mylauncher,
            mytaglist[s],
            mypromptbox[s],
            layout = awful.widget.layout.horizontal.leftright
        },
        mylayoutbox[s],
        mytextclock,
		volumewidget,
		musicwidget.widget, -- Awesompd widget is added like this
        s == 1 and mysystray or nil,
        mytasklist[s],
        layout = awful.widget.layout.horizontal.rightleft
    }
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)
))
-- }}}

-- {{{ 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),
    awful.key({ modkey,           }, "w", function () mymainmenu:show({keygrabber=true}) 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,           }, "Return", function () awful.util.spawn(terminal) end),
    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(layouts,  1) end),
    awful.key({ modkey, "Shift"   }, "space", function () awful.layout.inc(layouts, -1) end),

    -- Prompt
    awful.key({ modkey },            "r",     function () mypromptbox[mouse.screen]:run() end),

    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),
	
	-- Multimedia keys
	-- XF86AudioMute XF86AudioLowerVolume XF86AudioRaiseVolume XF86AudioPlay XF86AudioPrev XF86AudioNext XF86Calculator XF86Mail XF86HomePage XF86Tools
	awful.key({ }, "XF86AudioRaiseVolume", function() volumeUp() end ),
	awful.key({ }, "XF86AudioLowerVolume", function() volumeDown() end ),
	awful.key({ }, "XF86AudioMute", function() volumeMute() end ),
	awful.key({ }, "XF86AudioPlay", function() awful.util.spawn("mpc toggle") end),
	awful.key({ }, "XF86AudioPrev", function() awful.util.spawn("mpc prev") end),
	awful.key({ }, "XF86AudioNext", function() awful.util.spawn("mpc next") end),
	awful.key({ }, "XF86Calculator", function() awful.util.spawn("mpc stop") end)
)

clientkeys = awful.util.table.join(
    awful.key({ modkey,           }, "f",      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, "Shift"   }, "r",      function (c) c:redraw()                       end),
    awful.key({ modkey,           }, "t",      function (c) c.ontop = not c.ontop            end),
    awful.key({ modkey,           }, "n",      function (c) c.minimized = not c.minimized    end),
    awful.key({ modkey,           }, "m",
        function (c)
            c.maximized_horizontal = not c.maximized_horizontal
            c.maximized_vertical   = not c.maximized_vertical
        end)
)

-- Compute the maximum number of digit we need, limited to 9
keynumber = 0
for s = 1, screen.count() do
   keynumber = math.min(9, math.max(#tags[s], keynumber));
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, keynumber do
    globalkeys = awful.util.table.join(globalkeys,
        awful.key({ modkey }, "#" .. i + 9,
                  function ()
                        local screen = mouse.screen
                        if tags[screen][i] then
                            awful.tag.viewonly(tags[screen][i])
                        end
                  end),
        awful.key({ modkey, "Control" }, "#" .. i + 9,
                  function ()
                      local screen = mouse.screen
                      if tags[screen][i] then
                          awful.tag.viewtoggle(tags[screen][i])
                      end
                  end),
        awful.key({ modkey, "Shift" }, "#" .. i + 9,
                  function ()
                      if client.focus and tags[client.focus.screen][i] then
                          awful.client.movetotag(tags[client.focus.screen][i])
                      end
                  end),
        awful.key({ modkey, "Control", "Shift" }, "#" .. i + 9,
                  function ()
                      if client.focus and tags[client.focus.screen][i] then
                          awful.client.toggletag(tags[client.focus.screen][i])
                      end
                  end))
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))

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

-- {{{ Rules
awful.rules.rules = {
    -- All clients will match this rule.
    { rule = { },
      properties = { border_width = beautiful.border_width,
                     border_color = beautiful.border_normal,
                     focus = true,
                     keys = clientkeys,
                     buttons = clientbuttons } },
    { rule = { class = "pinentry" },
      properties = { floating = true } },
    { rule = { class = "Display", name = "ImageMagick.*" },
      properties = { floating = true } },
    { rule = { class = "feh" },
      properties = { floating = true } },
    { rule = { class = "gimp" },
      properties = { floating = true } },
    -- Set Sylpheed to always map on tags number 4 of screen 1.
    { rule = { class = "Icedove" },
      properties = { tag = tags[1][4] } },
    -- Set Sylpheed to always map on tags number 4 of screen 1.
    { rule = { class = "Sylpheed" },
      properties = { tag = tags[1][4] } },
    -- Set Firefox to always map on tags number 2 of screen 1.
    { rule = { class = "Iceweasel" },
      properties = { tag = tags[1][2], floating = false } },
	{ rule_any = { class = { "X-terminal-emulator", "MPlayer", "Totem" } },
	   callback = awful.client.setslave },
	{ rule = { type = "dialog" },
	   callback = awful.client.setslave },
	{ rule = { role = "browser"},
      properties = { tag = tags[1][2] } },
}
-- }}}

-- {{{ Signals
-- Signal function to execute when a new client appears.
client.add_signal("manage", function (c, startup)
    -- Add a titlebar
    -- awful.titlebar.add(c, { modkey = modkey })

    -- Enable sloppy focus
    c:add_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)

    if not 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
    end
end)

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

-- {{{ Autostart
-- set master window width ratio on second tag
awful.tag.setmwfact(0.65,tags[1][2])
-- }}}