-- Standard awesome library
require("awful")
require("beautiful")
require("naughty")

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

-- {{{ Variable definitions
-- Themes define colours, icons, and wallpapers
-- The default is a dark theme
theme_path = "/usr/share/awesome/themes/default/theme.lua"
-- Uncommment this for a lighter theme
-- theme_path = "/usr/share/awesome/themes/sky/theme.lua"

-- Actually load theme
beautiful.init(theme_path)

-- 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.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.max,
    awful.layout.suit.max.fullscreen,
    awful.layout.suit.magnifier,
    awful.layout.suit.floating
}

-- Table of clients that should be set floating. The index may be either
-- the application class or instance. The instance is useful when running
-- a console app in a terminal like (Music on Console)
--    xterm -name mocp -e mocp
-- OVERRULED BY TILEDAPPS BELOW
floatapps =
{
    -- by class
    ["MPlayer"] = true,
    ["pinentry"] = true,
    ["GIMP"] = true,
    ["twinkle"] = true,
    ["Add-ons"] = true,
    ["Play stream"] = true,
}

-- Applications that should never float, assuming everything else floats
-- (by instance)
tiledapps =
{
    ["urxvt"] = true,
}

-- Applications that should be maximised
-- (by instance)
maxapps =
{
    ["Navigator"] = true,
    -- jpilot is -v
    ["-v"] = true,
    ["Xpdf"] = true,
    ["gscan2pdf"] = true
}

-- Applications to be moved to a pre-defined tag by class or instance.
-- Use the screen and tags indices.
apptags =
{
    ["Navigator"] = { screen = 1, tag = 9 },
    -- jpilot is -v
    ["-v"] = { screen = 1, tag = 8 },
}

-- Define if we want to use titlebar on all applications.
use_titlebar = false
-- }}}

-- {{{ Tags
-- Define tags table.
tags = {}
for s = 1, screen.count() do
    -- Each screen has its own tag table.
    tags[s] = {}
    -- Create 9 tags per screen.
    for tagnumber = 1, 9 do
        tags[s][tagnumber] = tag(tagnumber)
        -- split at 0.5/50% exactly
        tags[s][tagnumber].mwfact = 0.5
        -- Add tags to screen one by one
        tags[s][tagnumber].screen = s
        awful.layout.set(layouts[5], tags[s][tagnumber])
    end
    -- I'm sure you want to see at least one tag.
    tags[s][1].selected = true
end
-- }}}

-- {{{ Wibox
-- Create a textbox widget
mytextbox = widget({ type = "textbox", align = "right" })
-- Set the default text in textbox
mytextbox.text = "<b><small>FUCK AWESOME</small></b>"

-- 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.new({ items = { { "awesome", myawesomemenu, beautiful.awesome_icon },
                                        { "open terminal", terminal },
                                        { "Debian", debian.menu.Debian_menu.Debian }
                                      }
                            })

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

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

-- Create textbox widgets
mytimebox = widget({ type = "textbox", name = "mytimebox", align = "right" })
mybatterybox = widget({ type = "textbox", name = "mybatterybox", align = "right" })

-- Create a wibox for each screen and add it
mywibox = {}
mypromptbox = {}
mylayoutbox = {}
mytaglist = {}
mytaglist.buttons = { button({ }, 1, awful.tag.viewonly),
                      button({ modkey }, 1, awful.client.movetotag),
                      button({ }, 3, function (tag) tag.selected = not tag.selected end),
                      button({ modkey }, 3, awful.client.toggletag),
                      button({ }, 4, awful.tag.viewnext),
                      button({ }, 5, awful.tag.viewprev) }
mytasklist = {}
mytasklist.buttons = { button({ }, 1, function (c)
                                          if not c:isvisible() then
                                              awful.tag.viewonly(c:tags()[1])
                                          end
                                          client.focus = c
                                          c:raise()
                                      end),
                       button({ }, 3, function () if instance then instance:hide() end instance = awful.menu.clients({ width=250 }) end),
                       button({ }, 4, function () awful.client.focus.byidx(1) end),
                       button({ }, 5, function () awful.client.focus.byidx(-1) end) }

for s = 1, screen.count() do
    -- Create a promptbox for each screen
    mypromptbox[s] = widget({ type = "textbox", align = "left" })
    -- Create an imagebox widget which will contains an icon indicating which layout we're using.
    -- We need one layoutbox per screen.
    mylayoutbox[s] = widget({ type = "imagebox", align = "right" })
    mylayoutbox[s]:buttons({ button({ }, 1, function () awful.layout.inc(layouts, 1) end),
                             button({ }, 3, function () awful.layout.inc(layouts, -1) end),
                             button({ }, 4, function () awful.layout.inc(layouts, 1) end),
                             button({ }, 5, function () awful.layout.inc(layouts, -1) end) })
    -- Create a taglist widget
    mytaglist[s] = awful.widget.taglist.new(s, awful.widget.taglist.label.all, mytaglist.buttons)

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

    -- Create the wibox
    mywibox[s] = wibox({ position = "top", fg = beautiful.fg_normal, bg = beautiful.bg_normal })
    -- Add widgets to the wibox - order matters
    mywibox[s].widgets = { mytaglist[s],
                           mytasklist[s],
                           mypromptbox[s],
                           mybatterybox,
                           mytimebox,
                           mylayoutbox[s],
                           s == screen.count() and mysystray or nil }
    mywibox[s].screen = s
end
-- }}}

--Battery widget
batterywidget = widget({ type = 'progressbar', name = 'batterywidget' })
batterywidget.width = 100
batterywidget.height = 0.8
batterywidget.gap = 1
batterywidget.border_padding = 1
batterywidget.border_width = 1
batterywidget.ticks_count = 10
batterywidget.ticks_gap = 1
batterywidget.vertical = false
batterywidget:bar_properties_set('bat', {
  bg = 'black',
  fg = 'blue4',
  fg_off = 'red',
  reverse = false,
  min_value = 0,
  max_value = 100
})
-- }}}


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

-- {{{ Key bindings
globalkeys =
{
    key({ modkey,           }, "Left",   awful.tag.viewprev       ),
    key({ modkey,           }, "Right",  awful.tag.viewnext       ),
    key({ modkey,           }, "Escape", awful.tag.history.restore),

    key({ modkey,           }, "j",
        function ()
            awful.client.focus.byidx( 1)
            if client.focus then client.focus:raise() end
        end),
    key({ modkey,           }, "k",
        function ()
            awful.client.focus.byidx(-1)
            if client.focus then client.focus:raise() end
        end),

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

    -- Standard program
    key({ modkey,           }, "Return", function () awful.util.spawn(terminal) end),
    key({ modkey, "Control" }, "r", awesome.restart),
    key({ modkey, "Shift"   }, "q", awesome.quit),

    key({ modkey,           }, "l",     function () awful.tag.incmwfact( 0.05)    end),
    key({ modkey,           }, "h",     function () awful.tag.incmwfact(-0.05)    end),
    key({ modkey, "Shift"   }, "h",     function () awful.tag.incnmaster( 1)      end),
    key({ modkey, "Shift"   }, "l",     function () awful.tag.incnmaster(-1)      end),
    key({ modkey, "Control" }, "h",     function () awful.tag.incncol( 1)         end),
    key({ modkey, "Control" }, "l",     function () awful.tag.incncol(-1)         end),
    key({ modkey,           }, "space", function () awful.layout.inc(layouts,  1) end),
    key({ modkey, "Shift"   }, "space", function () awful.layout.inc(layouts, -1) end),

    -- Prompt
    key({ modkey }, "F1",
        function ()
            awful.prompt.run({ prompt = "Run: " },
            mypromptbox[mouse.screen],
            awful.util.spawn, awful.completion.bash,
            awful.util.getdir("cache") .. "/history")
        end),

    key({ modkey }, "F4",
        function ()
            awful.prompt.run({ prompt = "Run Lua code: " },
            mypromptbox[mouse.screen],
            awful.util.eval, awful.prompt.bash,
            awful.util.getdir("cache") .. "/history_eval")
        end),
}

-- Client awful tagging: this is useful to tag some clients and then do stuff like move to tag on them
clientkeys =
{
    key({ modkey,           }, "f",      function (c) c.fullscreen = not c.fullscreen  end),
    key({ modkey, "Shift"   }, "c",      function (c) c:kill()                         end),
    key({ modkey, "Control" }, "space",  awful.client.floating.toggle                     ),
    key({ modkey, "Control" }, "Return", function (c) c:swap(awful.client.getmaster()) end),
    key({ modkey,           }, "o",      awful.client.movetoscreen                        ),
    key({ modkey, "Shift"   }, "r",      function (c) c:redraw()                       end),
    key({ modkey }, "t", awful.client.togglemarked),
    key({ modkey,}, "m",
        function (c)
            if not awful.client.floating then
                awful.client.floating.toggle()
            end
            c.maximized_horizontal = not c.maximized_horizontal
            c.maximized_vertical   = not c.maximized_vertical
        end),
}

-- Bind keyboard digits
-- 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

for i = 1, keynumber do
    table.insert(globalkeys,
        key({ modkey }, i,
            function ()
                local screen = mouse.screen
                if tags[screen][i] then
                    awful.tag.viewonly(tags[screen][i])
                end
            end))
    table.insert(globalkeys,
        key({ modkey, "Control" }, i,
            function ()
                local screen = mouse.screen
                if tags[screen][i] then
                    tags[screen][i].selected = not tags[screen][i].selected
                end
            end))
    table.insert(globalkeys,
        key({ modkey, "Shift" }, i,
            function ()
                if client.focus and tags[client.focus.screen][i] then
                    awful.client.movetotag(tags[client.focus.screen][i])
                end
            end))
    table.insert(globalkeys,
        key({ modkey, "Control", "Shift" }, i,
            function ()
                if client.focus and tags[client.focus.screen][i] then
                    awful.client.toggletag(tags[client.focus.screen][i])
                end
            end))
end


for i = 1, keynumber do
    table.insert(globalkeys, key({ modkey, "Shift" }, "F" .. i,
                 function ()
                     local screen = mouse.screen
                     if tags[screen][i] then
                         for k, c in pairs(awful.client.getmarked()) do
                             awful.client.movetotag(tags[screen][i], c)
                         end
                     end
                 end))
end

cmdmodkey = "Mod3"

-- xmms2 & sound
table.insert(globalkeys, key({ cmdmodkey }, "Prior", function () awful.util.spawn("amixer set Master 2+") end))
table.insert(globalkeys, key({ cmdmodkey }, "Next", function () awful.util.spawn("amixer set Master 2-") end))
table.insert(globalkeys, key({ cmdmodkey }, "Up", function () awful.util.spawn("amixer set PCM 2+") end))
table.insert(globalkeys, key({ cmdmodkey }, "Down", function () awful.util.spawn("amixer set PCM 2-") end))
table.insert(globalkeys, key({ cmdmodkey }, "Home", function () awful.util.spawn("amixer set Mic toggle") end))
table.insert(globalkeys, key({ cmdmodkey }, "End", function () awful.util.spawn("amixer set Master toggle") end))
table.insert(globalkeys, key({ cmdmodkey }, "Left", function () awful.util.spawn("xmms2 prev") end))
table.insert(globalkeys, key({ cmdmodkey }, "Right", function () awful.util.spawn("xmms2 next") end))
table.insert(globalkeys, key({ cmdmodkey }, "space", function () awful.util.spawn("xmms2 toggleplay") end))
table.insert(globalkeys, key({ cmdmodkey }, "backslash", function () awful.util.spawn("xmms2 current | head -1 | xmessage -nearmouse -timeout 5 -file -") end))
table.insert(globalkeys, key({ cmdmodkey, "Shift" }, "backslash", function () awful.util.spawn("xmms2 list | xmessage -nearmouse -timeout 5 -file -") end))

-- misc apps
table.insert(globalkeys, key({ cmdmodkey }, "n", function () awful.util.spawn("sensible-browser") end))
table.insert(globalkeys, key({ cmdmodkey }, "m", function () awful.util.spawn(terminal .. " -e mutt -f =store") end))
table.insert(globalkeys, key({ cmdmodkey }, "t", function () awful.util.spawn(terminal) end))
table.insert(globalkeys, key({ cmdmodkey }, "c", function () awful.util.spawn(terminal .. " -e python") end))
table.insert(globalkeys, key({ cmdmodkey }, "r", function () awful.util.spawn("gmrun") end))
table.insert(globalkeys, key({ cmdmodkey }, "j", function () awful.util.spawn("jpilot") end))
table.insert(globalkeys, key({ cmdmodkey }, "x", function () awful.util.spawn("/sbin/start-stop-daemon --start --background --exec /usr/bin/xscreensaver; xscreensaver-command -lock") end))
table.insert(globalkeys, key({ cmdmodkey, "Shift" }, "x", function () awful.util.spawn("xscreensaver-command -exit") end))

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

-- {{{ Hooks
-- Hook function to execute when focusing a client.
awful.hooks.focus.register(function (c)
    if not awful.client.ismarked(c) then
        c.border_color = beautiful.border_focus
    end
end)

-- Hook function to execute when unfocusing a client.
awful.hooks.unfocus.register(function (c)
    if not awful.client.ismarked(c) then
        c.border_color = beautiful.border_normal
    end
end)

-- Hook function to execute when marking a client
awful.hooks.marked.register(function (c)
    c.border_color = beautiful.border_marked
end)

-- Hook function to execute when unmarking a client.
awful.hooks.unmarked.register(function (c)
    c.border_color = beautiful.border_focus
end)

-- Hook function to execute when the mouse enters a client.
awful.hooks.mouse_enter.register(function (c)
    -- Sloppy focus, but disabled for magnifier layout
    if awful.layout.get(c.screen) ~= awful.layout.suit.magnifier
        and awful.client.focus.filter(c) then
        client.focus = c
    end
end)

-- Hook function to execute when a new client appears.
awful.hooks.manage.register(function (c, startup)
    -- If we are not managing this application at startup,
    -- move it to the screen where the mouse is.
    -- We only do it for filtered windows (i.e. no dock, etc).
    if not startup and awful.client.focus.filter(c) then
        c.screen = mouse.screen
    end

    if use_titlebar then
        -- Add a titlebar
        awful.titlebar.add(c, { modkey = modkey })
    end
    -- Add mouse bindings
    c:buttons({
        button({ }, 1, function (c) client.focus = c; c:raise() end),
        button({ modkey }, 1, awful.mouse.client.move),
        button({ modkey }, 3, awful.mouse.client.resize)
    })
    -- New client may not receive focus
    -- if they're not focusable, so set border anyway.
    c.border_width = beautiful.border_width
    c.border_color = beautiful.border_normal

    -- Check if the application should be floating.
    -- OVERRIDDEN, SEE tiledapps BELOW
    local cls = c.class
    local inst = c.instance
    if floatapps[cls] then
        awful.client.floating.set(c, floatapps[cls])
    elseif floatapps[inst] then
        awful.client.floating.set(c, floatapps[inst])
    end

    -- Override with tiledapps
    awful.client.floating.set(c, not (tiledapps[inst] or tiledapps[cls]))

    -- Check application->screen/tag mappings.
    local target
    if apptags[cls] then
        target = apptags[cls]
    elseif apptags[inst] then
        target = apptags[inst]
    end
    if target then
        c.screen = target.screen
        awful.client.movetotag(tags[target.screen][target.tag], c)
    end

    -- Do this after tag mapping, so you don't see it on the wrong tag for a split second.
    client.focus = c

    -- Set key bindings
    c:keys(clientkeys)

    -- Set the windows at the slave,
    -- i.e. put it at the end of others instead of setting it master.
    -- awful.client.setslave(c)

    -- Honor size hints: if you want to drop the gaps between windows, set this to false.
    c.size_hints_honor = true

    -- Maximise some
    if maxapps[inst] or maxapps[cls] then
        c.maximized_horizontal = not c.maximized_horizontal
        c.maximized_vertical   = not c.maximized_vertical
    end
end)

-- Hook function to execute when arranging the screen.
-- (tag switch, new client, etc)
awful.hooks.arrange.register(function (screen)
    local layout = awful.layout.getname(awful.layout.get(screen))
    if layout and beautiful["layout_" ..layout] then
        mylayoutbox[screen].image = image(beautiful["layout_" .. layout])
    else
        mylayoutbox[screen].image = nil
    end

    -- Give focus to the latest client in history if no window has focus
    -- or if the current window is a desktop or a dock one.
    if not client.focus then
        local c = awful.client.focus.history.get(screen, 0)
        if c then client.focus = c end
    end

    -- Uncomment if you want mouse warping
    --[[
    if client.focus then
        local c_c = client.focus:fullgeometry()
        local m_c = mouse.coords()

        if m_c.x < c_c.x or m_c.x >= c_c.x + c_c.width or
            m_c.y < c_c.y or m_c.y >= c_c.y + c_c.height then
            if table.maxn(m_c.buttons) == 0 then
                mouse.coords({ x = c_c.x + 5, y = c_c.y + 5})
            end
        end
    end
    ]]
end)

-- Hook called every second
awful.hooks.timer.register(1, function ()
    -- For unix time_t lovers
    -- mytextbox.text = " " .. os.time() .. " time_t "
    -- Otherwise use:
    mytimebox.text = " " .. os.date() .. " "
end)

-- Hook called every sixty seconds
function hook_battery()
    mybatterybox.text = " " .. get_acpibatt() .. " "
end

-- {{{ Statusbar battery
--
function get_acpibatt()

    local f = io.popen('acpi -b', 'r')
    if not f then
      return "acpi -b failed"
    end

    local s = f:read('*l')
    f:close()
    if not s then
      return '-';
    end

    -- Battery 0: Discharging, 89%, 00:02:14 remaining
    -- Battery 0: Charging, 58%, 00:02:14 until charged
    -- Battery 0: Full, 100%
    -- so find the first bit first and then go look for the time
    local st, en, status, percent = string.find(s, '%a+%s%d:%s(%a+),%s(%d+%%)');
    local st, en, time = string.find(s, ',%s(%d+:%d+):%d+%s%a+', en);

    if not status or not percent then -- time can be empty if we're full
      return "couldn't parse line " .. s
    end

    if not time then
      return percent
    end

    if status == 'Charging' then
      return '↑ ' .. percent;
    elseif status == 'Discharging' then
      return '↓ '.. time;
    else
      return '';
    end
end
-- }}}

--{{{ batt hook
local function get_bat()
  local a = io.open("/sys/class/power_supply/BAT1/charge_full")
  for line in a:lines() do
    full = line
  end
  a:close()
  local b = io.open("/sys/class/power_supply/BAT1/charge_now")
  for line in b:lines() do
    now = line
  end
  b:close()
  batt=math.floor(now*100/full)
  batterywidget:bar_data_add("bat",batt )
end
--}}}

-- Set up some hooks
awful.hooks.timer.register(20, hook_battery)
-- awful.hooks.timer.register(5, get_bat)
-- }}}

-- Highlight statusbars on the screen that has focus,
-- set this to false if you only have one screen or
-- you don't like it :P
if screen.count() > 1 then
  statusbar_highlight_focus = true
else
  statusbar_highlight_focus = false
end

hook_battery()

function displayMonth(month,year,weekStart)
    local t,wkSt=os.time{year=year, month=month+1, day=0},weekStart or 1
    local d=os.date("*t",t)
    local mthDays,stDay=d.day,(d.wday-d.day-wkSt+1)%7

    local lines = {}

    for x=0,6 do
        lines[x+1] = os.date("%a ",os.time{year=2006,month=1,day=x+wkSt})
    end
    lines[8] = "    "

    local writeLine = 1
    while writeLine < (stDay + 1) do
        lines[writeLine] = lines[writeLine] .. "   "
        writeLine = writeLine + 1
    end

    for x=1,mthDays do
        if writeLine == 8 then
            writeLine = 1
        end
        if writeLine == 1 or x == 1 then
            lines[8] = lines[8] .. os.date(" %V",os.time{year=year,month=month,day=x})
        end
        if (#(tostring(x)) == 1) then
            x = " " .. x
        end
        lines[writeLine] = lines[writeLine] .. " " .. x
        writeLine = writeLine + 1
    end
    local header = os.date("%B %Y\n",os.time{year=year,month=month,day=1})
    header = string.rep(" ", math.floor((#(lines[1]) - #header) / 2 )) .. header

    return header .. table.concat(lines, '\n')
end

local calendar = {}
function switchNaughtyMonth(switchMonths)
    if (#calendar < 3) then return end
    local swMonths = switchMonths or 1
    calendar[1] = calendar[1] + swMonths
    calendar[3].box.widgets[2].text = displayMonth(calendar[1], calendar[2], 2)
end

mytimebox.mouse_enter = function ()
    local month, year = os.date('%m'), os.date('%Y')
    calendar = { month, year,
                naughty.notify({
                    text = displayMonth(month, year, 2),
                    timeout = 0, hover_timeout = 0.5,
                    width = 200, screen = mouse.screen
                })
               }
end
mytimebox.mouse_leave = function () naughty.destroy(calendar[3]) end

mytimebox:buttons({
    button({ }, 1, function()
        switchNaughtyMonth(-1)
    end),
    button({ }, 3, function()
        switchNaughtyMonth(1)
    end),
    button({ }, 4, function()
        switchNaughtyMonth(-1)
    end),
    button({ }, 5, function()
        switchNaughtyMonth(1)
    end),
    button({ 'Shift' }, 1, function()
        switchNaughtyMonth(-12)
    end),
    button({ 'Shift' }, 3, function()
        switchNaughtyMonth(12)
    end),
    button({ 'Shift' }, 4, function()
        switchNaughtyMonth(-12)
    end),
    button({ 'Shift' }, 5, function()
        switchNaughtyMonth(12)
    end)
})