--[[

     Rainbow Awesome WM config 2.0
     github.com/copycat-killer

--]]

-- {{{ Required libraries
local gears     = require("gears")
local awful     = require("awful")
awful.rules     = require("awful.rules")
require("awful.autofocus")
local wibox     = require("wibox")
local beautiful = require("beautiful")
local naughty   = require("naughty")
local lain      = require("lain")
-- }}}

-- Error handling
require("myrc.errors")

-- STARTUP apps
require("settings.startup")

-- {{{ Variable definitions
-- localization
os.setlocale(os.getenv("LANG"))

-- beautiful init
beautiful.init(os.getenv("HOME") .. "/.config/awesome/themes/rainbow/theme.lua")

-- common
modkey     = "Mod4"
altkey     = "Mod1"
terminal   = "urxvtc" or "xterm"
editor     = os.getenv("EDITOR") or "nano" or "vi"
editor_cmd = terminal .. " -e " .. editor

-- user defined
browser    = "dwb"
browser2   = "iron"
gui_editor = "gvim"
graphics   = "gimp"

-- lain
lain.layout.termfair.nmaster = 3
lain.layout.termfair.ncol    = 1

layouts = {
    awful.layout.suit.floating,
    awful.layout.suit.fair,
    awful.layout.suit.tile,
    lain.layout.uselessfair.horizontal,
    lain.layout.uselesstile,
    lain.layout.uselessfair,
    lain.layout.termfair,
    lain.layout.uselesspiral.dwindle
}
-- }}}

-- {{{ Tags
tags = {
    names = { "www", "dev", "docs", "media" },
    layout = { layouts[1], layouts[2], layouts[3], layouts[4] }
}
for s = 1, screen.count() do
   tags[s] = awful.tag(tags.names, s, tags.layout)
end
-- }}}

-- {{{ Wallpaper
if beautiful.wallpaper then
    for s = 1, screen.count() do
        gears.wallpaper.maximized(beautiful.wallpaper, s, true)
    end
end
-- }}}

-- {{{ Menu
require("freedesktop/freedesktop")
-- }}}

-- {{{ Wibox
markup = lain.util.markup
white  = beautiful.fg_focus
gray   = beautiful.fg_normal

-- Textclock
mytextclock = awful.widget.textclock(markup.font("Tamsyn 3", " ") ..
                                     markup(white, " %H:%M "))

-- Calendar
lain.widgets.calendar:attach(mytextclock, { fg = beautiful.fg_focus })

--[[ Mail IMAP check
-- commented because it needs to be set before use
mailwidget = lain.widgets.imap({
    timeout  = 180,
    server   = "server",
    mail     = "mail",
    password = "keyring get mail",
    settings = function()
        mail_notification_preset.fg = white

        mail  = ""
        count = ""

        if mailcount > 0 then
            mail = "Mail "
            count = mailcount .. " "
        end

        widget:set_markup(markup(gray, mail) .. markup(white, count))
    end
})
]]

-- MPD
mpdwidget = lain.widgets.mpd({
    settings = function()
        mpd_notification_preset.fg = white

        artist = mpd_now.artist .. " "
        title  = mpd_now.title  .. " "

        if mpd_now.state == "pause" then
            artist = "mpd "
            title  = "paused "
        elseif mpd_now.state == "stop" then
            artist = ""
            title  = ""
        end

        widget:set_markup(markup(gray, artist) .. markup(white, title))
    end
})

-- /home fs
fshome = lain.widgets.fs({
    partition = "/home",
    settings  = function()
        fs_notification_preset.fg = white

        hdd = ""
        p   = ""

        if fs_now.used >= 90 then
            hdd = " Hdd "
            p   = fs_now.used .. " "
        end

        widget:set_markup(markup(gray, hdd) .. markup(white, p))
    end
})

-- ALSA volume bar
volume = lain.widgets.alsabar({ ticks = true })
volmargin = wibox.layout.margin(volume.bar, 5, 8, 80)
volmargin:set_top(7)
volmargin:set_bottom(7)
volumewidget = wibox.widget.background(volmargin)
volumewidget:set_bgimage(beautiful.vol_bg)

-- Weather
yawn = lain.widgets.yawn(123456,
{
    settings = function()
        yawn_notification_preset.fg = white
    end
})

-- Separators
spr = wibox.widget.textbox(' ')
small_spr = wibox.widget.textbox('<span font="Tamsyn 4"> </span>')
med_spr = wibox.widget.textbox('<span font="Tamsyn 7"> </span>')

-- Create a wibox for each screen and add it
mywibox = {}
mypromptbox = {}
txtlayoutbox = {}
mytaglist = {}
mytasklist = {}
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.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({ 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))

-- Writes a string representation of the current layout in a textbox widget
function updatelayoutbox(layout, s)
    local screen = s or 1
    local txt_l = beautiful["layout_txt_" .. awful.layout.getname(awful.layout.get(screen))] or ""
    layout:set_text(txt_l)
end

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

    -- Create a textbox widget which will contains a short string representing the
    -- layout we're using.  We need one layoutbox per screen.
    txtlayoutbox[s] = wibox.widget.textbox(beautiful["layout_txt_" .. awful.layout.getname(awful.layout.get(s))])
    awful.tag.attached_connect_signal(s, "property::selected", function ()
        updatelayoutbox(txtlayoutbox[s], s)
    end)
    awful.tag.attached_connect_signal(s, "property::layout", function ()
        updatelayoutbox(txtlayoutbox[s], s)
    end)
    txtlayoutbox[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.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, height = 18 })

    -- Widgets that are aligned to the left
    local left_layout = wibox.layout.fixed.horizontal()
    left_layout:add(small_spr)
    left_layout:add(mytaglist[s])
    left_layout:add(spr)
    left_layout:add(txtlayoutbox[s])
    left_layout:add(spr)
    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(small_spr)
    right_layout:add(mpdwidget)
    --right_layout:add(mailwidget)
    right_layout:add(fshome)
    right_layout:add(med_spr)
    right_layout:add(volumewidget)
    right_layout:add(mytextclock)

    -- 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
-- }}}

-- Bindings
require("settings.binds")

-- {{{ Key bindings
globalkeys = awful.util.table.join(globalkeys,
    -- Show/Hide Wibox
    awful.key({ modkey }, "b", function ()
        mywibox[mouse.screen].visible = not mywibox[mouse.screen].visible
    end),

    -- On the fly useless gaps change
    awful.key({ altkey, "Control" }, "+", function () lain.util.useless_gaps_resize(1) end),
    awful.key({ altkey, "Control" }, "-", function () lain.util.useless_gaps_resize(-1) end),

    -- Widgets popups
    awful.key({ altkey,           }, "c",      function () lain.widgets.calendar:show(7) end),
    awful.key({ altkey,           }, "h",      function () fshome.show(7) end),
    awful.key({ altkey,           }, "w",      function () yawn.show(7) end),

    -- ALSA volume control
    awful.key({ altkey }, "Up",
        function ()
            awful.util.spawn("amixer -q set " .. volume.channel .. " " .. volume.step .. "+")
            volume.notify()
        end),
    awful.key({ altkey }, "Down",
        function ()
            awful.util.spawn("amixer -q set " .. volume.channel .. " " .. volume.step .. "-")
            volume.notify()
        end),
    awful.key({ altkey }, "m",
        function ()
            awful.util.spawn("amixer -q set " .. volume.channel .. " playback toggle")
            volume.notify()
        end),
    awful.key({ altkey, "Control" }, "m",
        function ()
            awful.util.spawn("amixer -q set " .. volume.channel .. " playback 100%")
            volume.notify()
        end)
)

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

-- Rules
require("settings.rules")

-- Signals
require("stock.signals")