-- Standard awesome library
local gears = require("gears")
local awful = require("awful")
awful.rules = require("awful.rules")
require("awful.autofocus")
-- Widget and layout library
local wibox = require("wibox")
-- Theme handling library
local beautiful = require("beautiful")
-- Notification library
local naughty = require("naughty")
local menubar = require("menubar")
local lfs = require("lfs")
local posix = require("posix")

local hostname = posix.uname("%n")

naughty.config.defaults.bg = "#3d3d3d"
naughty.config.defaults.icon_size = 32

local maildir_base = os.getenv("HOME") .. "/documents/mail/"

table.insert(menubar.menu_gen.all_menu_dirs,
             os.getenv("HOME") .. "/.local/share/applications/")

function new_mail(maildir)
   local count = 0
   local newmaildir = maildir_base .. maildir .. "/new"
   local curmaildir = maildir_base .. maildir .. "/cur"

   if posix.access(newmaildir) then
      for file in lfs.dir(newmaildir) do
         if file ~= "." and file ~= ".." then
            count = count + 1
         end
      end
   end

   if posix.access(curmaildir) then
      for file in lfs.dir(curmaildir) do
         if string.sub(file, -1) ~= "S" and file ~= "."
         and file ~= ".." then
            count = count + 1
         end
      end
   end

   return count
end

function shrink_to_picturefix_width()
   local g = client.focus:geometry()

   awful.client.floating.set(client.focus, true)
   client.focus:geometry({x = g.x, y = g.y, width = 1066, height = 1060})
end

function oni_focus_relative(i)
   return awful.screen.focus(awful.util.cycle(screen.count(), client.focus.screen + i))
end

-- {{{ 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 = err })
        in_error = false
    end)
end
-- }}}

-- {{{ Variable definitions
-- Themes define colours, icons, font and wallpapers.
beautiful.init(os.getenv("HOME") .. "/.config/awesome/themes/default/theme.lua")

-- This is used later as the default terminal and editor to run.
terminal = "urxvtc"
editor = "emacsclient"
editor_cmd = 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.
local layouts = {}

if hostname == "phoenix" then layouts = { awful.layout.suit.max }
else layouts = { awful.layout.suit.tile, awful.layout.suit.max }
end
-- }}}

-- {{{ Wallpaper
-- gears.wallpaper.tiled("/home/slash/pictures/wallpaper-962650.jpg")
local wallpapers = { "/home/slash/pictures/wallpaper-2311191.jpg",
                     "/home/slash/pictures/wallpaper-1518737-phoenix.png" }

for idx, wall in ipairs(wallpapers) do
   if posix.access(wall) then
      gears.wallpaper.tiled(wall)
      break
   end
end

-- }}}

-- {{{ Tags
-- Define a tag table which hold all screen tags.
tags = {}
tags[1] = awful.tag({" Emacs"}, 1, awful.layout.suit.tile)

if screen.count() > 1 then
   tags[2] = awful.tag({" Web"}, 2, awful.layout.suit.max)

   if screen.count() > 2 then
      for s = 3, screen.count() do
         -- Each screen has its own tag table.
         tags[s] = awful.tag({ 1, 2, 3, 4, 5, 6, 7, 8, 9 }, s, layouts[1])
      end
   end
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 }
}

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

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
                                                  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))

function mailwidget(name, lighter)
   widget = wibox.widget.textbox()
   widget.set_mailcount = function (self)
      self:set_text(string.format(" %s: %d", lighter,
                                  new_mail(name .. '/inbox')))
   end
   widget:set_mailcount()

   return widget
end

mailwidgets = {ryuslash = mailwidget('ryuslash.org', 'ryu'),
               picturefix = mailwidget('picturefix', 'pfx'),
               gmail = mailwidget('gmail', 'gmail'),
               ninthfloor = mailwidget('ninthfloor', '9f')}

myrsslist = wibox.widget.textbox()
myrsslist.set_count = function (self, count)
   if count then
      self:set_markup(" " .. count
                         .. " <span face=\"FontAwesome\"></span>")
   else
      self:set_text("")
   end
end

function mailcount()
  mailboxes = { 'ryuslash.org', 'picturefix', 'gmail', 'ninthfloor' }
  count = 0

  for i, box in ipairs(mailboxes) do
     count = count + new_mail(box .. '/inbox')
  end

  return count
end

mymailwidget = wibox.widget.textbox()
mymailwidget.set_count = function (self)
   count = mailcount()

   if count then
      self:set_markup(" " .. count
                         .. " <span face=\"FontAwesome\"></span> ")
   else
      self:set_text("")
   end
end
mymailwidget:set_count()

function unlocked()
   if awful.util.pread("keycheck login") == "Unlocked" then
      return " "
   else
      return " "
   end
end

mykeyringlist = wibox.widget.textbox()
mykeyringlist:set_text(unlocked())
mykeyringlist:set_font("FontAwesome")
mykeyringlist:buttons(
   awful.util.table.join(
      awful.button({ }, 2, function ()
            mykeyringlist:set_text(unlocked())
      end)
   )
)
mykeyringlisttimer = timer({ timeout = 60 })
mykeyringlisttimer:connect_signal(
   "timeout",
   function ()
      mykeyringlist:set_text(unlocked())
   end
)
mykeyringlisttimer:start()

for s = 1, screen.count() do
    -- Create a promptbox for each screen
    mypromptbox[s] = awful.widget.prompt()

    if #layouts > 1 then
        -- 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)))
    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 = "bottom", 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(mykeyringlist)
       if hostname == "drd" then right_layout:add(myrsslist) end
       right_layout:add(mymailwidget)

       -- for k, w in pairs(mailwidgets) do
       --    right_layout:add(w)
       -- end

       right_layout:add(wibox.widget.systray())
    end
    right_layout:add(mytextclock)
    if #layouts > 1 then right_layout:add(mylayoutbox[s]) end

    -- 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
-- }}}

-- {{{ 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)
))
-- }}}

function fraise (idx)
   awful.client.focus.byidx(idx)
   if client.focus then client.focus:raise() end
end

function hpraise ()
   awful.client.focus.history.previous()
   if client.focus then client.focus:raise() end
end

function ror (prog, class)
   function inner ()
      local matcher = function (c)
         return awful.rules.match(c, { class = class })
      end
      awful.client.run_or_raise(prog, matcher)
   end

   return inner
end

-- {{{ Key bindings
globalkeys = awful.util.table.join(
    awful.key({ modkey, }, "l", awful.tag.viewprev),
    awful.key({ modkey, }, "y", awful.tag.viewnext),
    awful.key({ modkey, }, "Escape", awful.tag.history.restore),
    awful.key({ modkey, }, "n", function () fraise(1) end),
    awful.key({ modkey, }, "p", function () fraise(-1) end),
    -- awful.key({ modkey, }, "w", function () mymainmenu:show() end),
    awful.key({            }, "Print", function () awful.util.spawn("scrot") end),
    -- awful.key({ "Control", }, "Print", function () awful.util.spawn("scrot -s") end),

    awful.key({ modkey, }, "c", ror("urxvtc", "URxvt")),
    awful.key({ modkey, }, "e", ror("emacsclient -c", "Emacs")),
    awful.key({ modkey, }, "w", ror("conkeror", "Conkeror")),

    -- Layout manipulation
    awful.key({ modkey, "Shift"   }, "n", function () awful.client.swap.byidx(  1)    end),
    awful.key({ modkey, "Shift"   }, "p", function () awful.client.swap.byidx( -1)    end),
    awful.key({ modkey,           }, ".", function () oni_focus_relative( 1) end),
    awful.key({ modkey,           }, ",", function () oni_focus_relative(-1) end),
    awful.key({ modkey, "Shift"   }, ".", function () awful.client.movetoscreen(client.focus) end),
    awful.key({ modkey, "Shift"   }, ",", function () awful.client.movetoscreen(client.focus, -1) end),
    awful.key({ modkey,           }, "u", awful.client.urgent.jumpto),
    awful.key({ modkey,           }, "Tab", hpraise),
    awful.key({ modkey,           }, "g", shrink_to_picturefix_width),

    -- 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,           }, "j",     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"   }, "j",     function () awful.tag.incnmaster(-1)      end),
    awful.key({ modkey, "Control" }, "h",     function () awful.tag.incncol( 1)         end),
    awful.key({ modkey, "Control" }, "j",     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),
    -- Menubar
    awful.key({ modkey }, "k", function() menubar.show() end),

    awful.key({ "Control", "Mod1" }, "l", function () awful.util.spawn('i3lock -c000000') 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,           }, "t",      function (c) c.ontop = not c.ontop            end),
    awful.key({ modkey,           }, "m",
        function (c)
            c.maximized_horizontal = not c.maximized_horizontal
            c.maximized_vertical   = not c.maximized_vertical
        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

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
-- 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,
                     keys = clientkeys,
                     buttons = clientbuttons } },
    { rule = { class = "MPlayer" },
      properties = { floating = true } },
    { rule = { class = "pinentry" },
      properties = { floating = true } },
    { rule = { class = "gimp" },
      properties = { floating = true } },
    { rule = { instance = "SteamWorldDig.exe" },
      properties = { fullscreen = true } },
    { rule = { instance = "RogueLegacy.exe" },
      properties = { fullscreen = true } },
    { rule = { class = "Emacs" },
      properties = { tag = tags[1][1] } },
    { rule = { class = "URxvt" },
      properties = { size_hints_honor = false } },
    -- Set Firefox to always map on tags number 2 of screen 1.
    -- { rule = { class = "Firefox" },
    --   properties = { tag = tags[1][2] } },
}

-- If there is more than one list of tags, add a rule that puts all
-- "Conkeror" windows on tag 1 of screen 2 (the second list of tags).
if #tags > 1 then
   awful.rules.rules =
      awful.util.table.join(awful.rules.rules,
                            { { rule = { class = "Conkeror" },
                                properties = { tag = tags[2][1] } } })
end
-- }}}

-- {{{ Signals
imp_classes = { "Dia", "Firefox", "Pencil", "Filezilla", "Gimp" }
-- Signal function to execute when a new client appears.
client.connect_signal("manage", function (c, startup)
    if not startup then
        -- Set the windows at the slave,
        -- i.e. put it at the end of others instead of setting it master.
       if not awful.rules.match_any(c, { class = { "Emacs", "Dia" } }) then
          awful.client.setslave(c)
       end

       if awful.rules.match_any(c, { class = imp_classes }) then
          tags[c.class] = tags[c.class] or
             awful.tag.add(" " .. c.class, {layout = awful.layout.suit.tile})
          awful.tag.viewonly(tags[c.class])
          awful.client.movetotag(tags[c.class], c)
       end

       if awful.rules.match(c, { class = "Dia" }) then
          awful.tag.setmwfact(0.90, tags["Dia"])
       end

        -- 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.connect_signal("unmanage", function(c)
    if awful.rules.match_any(c, { class = imp_classes }) then
       if tags[c.class] and #tags[c.class]:clients() == 0 then
          awful.tag.delete(tags[c.class])
          tags[c.class] = nil
       end
    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)
-- }}}

-- Set the master window factor so that terminal windows show up with
-- 80 columns on the main screen. This is meant for a 1920x1080
-- resolution.
awful.tag.setmwfact(0.623, tags[1][1])