local hotkeys_popup = require("awful.hotkeys_popup").widget
local utils = require("utils")

-- Default modkey.
modkey = "Mod4"
altkey = "Mod1"

-- Mouse bindings {{{1
root.buttons(gears.table.join(
    awful.button({ }, 3, function () mymainmenu:toggle() end)
))

-- Global Keys {{{1
globalkeys = gears.table.join(globalkeys,
    awful.key({ modkey,           }, "s",      hotkeys_popup.show_help,
              {description="show help", group="awesome"}),
    awful.key({ modkey,           }, "Left",   awful.tag.viewprev,
              {description = "view previous", group = "tag"}),
    awful.key({ modkey,           }, "Down",   awful.tag.viewprev,
              {description = "view previous", group = "tag"}),
    awful.key({ modkey,           }, "Right",  awful.tag.viewnext,
              {description = "view next", group = "tag"}),
    awful.key({ modkey,           }, "Up",  awful.tag.viewnext,
              {description = "view next", group = "tag"}),
    awful.key({ modkey,           }, "Escape", awful.tag.history.restore,
              {description = "go back", group = "tag"}),

    awful.key({ modkey,           }, "k",
        function ()
            awful.client.focus.byidx( 1)
        end,
        {description = "focus next by index", group = "client"}
    ),
    awful.key({ modkey,           }, "j",
        function ()
            awful.client.focus.byidx(-1)
        end,
        {description = "focus previous by index", group = "client"}
    ),
    awful.key({ modkey,           }, "w", function () mymainmenu:show({ coords = { x = 0, y = 0}}) end,
              {description = "show main menu", group = "awesome"}),

    -- Layout manipulation
    awful.key({ modkey, "Shift"   }, "k", function () awful.client.swap.byidx(  1)    end,
              {description = "swap with next client by index", group = "client"}),
    awful.key({ modkey, "Shift"   }, "j", function () awful.client.swap.byidx( -1)    end,
              {description = "swap with previous client by index", group = "client"}),
    awful.key({ modkey,         }, "#49",     function () awful.screen.focus_relative( 1) end, -- that's the key left of 1 (chronos)
              {description = "focus the next screen", group = "screen"}),
    awful.key({ modkey,           }, "=",     function () awful.screen.focus_relative( 1) end, -- that's the key left of 1 (kinesis)
              {description = "focus the next screen", group = "screen"}),
    awful.key({ modkey, "Control" }, "=",
              function ()
                -- swap tags in screens
                local c = client.focus
                local this_screen = awful.screen.focused();
                -- TODO: only works with two screens
                local next_screen = this_screen:get_next_in_direction("right") or this_screen:get_next_in_direction("left")
                local this_screen_tag = this_screen.selected_tag;
                local next_screen_tag = next_screen.selected_tag;

                this_screen_tag:swap(next_screen_tag)

                this_screen_tag:view_only()
                next_screen_tag:view_only()

                awful.screen.focus(this_screen)
                c:jump_to(true)
              end,
              {description = "swap screens", group = "screen"}),
    awful.key({ modkey, "Control" }, "Right", function () awful.screen.focus_relative(-1) end,
              {description = "focus the next screen", group = "screen"}),
    awful.key({ modkey, "Control" }, "Left",  function () awful.screen.focus_relative(-1) end,
              {description = "focus the previous screen", group = "screen"}),
    awful.key({ modkey,           }, "u", awful.client.urgent.jumpto,
              {description = "jump to urgent client", group = "client"}),
    awful.key({ modkey,           }, "Tab",
        function ()
            awful.client.focus.history.previous()
            if client.focus then
                client.focus:raise()
            end
        end,
        {description = "go back", group = "client"}),

    -- Standard program
    awful.key({ modkey,           }, "Return", function () awful.spawn(terminal) end,
              {description = "open a terminal", group = "launcher"}),
    awful.key({ modkey, "Control" }, "r", awesome.restart,
              {description = "reload awesome", group = "awesome"}),

    awful.key({ modkey,           }, "h",     function () awful.tag.incmwfact(-0.05)          end,
              {description = "increase master width factor", group = "layout"}),
    awful.key({ modkey,           }, "l",     function () awful.tag.incmwfact( 0.05)          end,
              {description = "decrease master width factor", group = "layout"}),
    awful.key({ modkey, "Shift"   }, "h",     function () awful.tag.incnmaster( 1, nil, true) end,
              {description = "increase the number of master clients", group = "layout"}),
    awful.key({ modkey, "Shift"   }, "l",     function () awful.tag.incnmaster(-1, nil, true) end,
              {description = "decrease the number of master clients", group = "layout"}),
    awful.key({ modkey, "Control" }, "h",     function () awful.tag.incncol( 1, nil, true)    end,
              {description = "increase the number of columns", group = "layout"}),
    awful.key({ modkey, "Control" }, "l",     function () awful.tag.incncol(-1, nil, true)    end,
              {description = "decrease the number of columns", group = "layout"}),
    -- resize slave
    awful.key({ modkey, "Control" }, "j",     function () awful.client.incwfact( 0.05)  end,
              {description = "increase focused client window factor", group = "layout"}),
    awful.key({ modkey, "Control" }, "k",     function () awful.client.incwfact(-0.05)  end,
              {description = "decrease focused client window factor", group = "layout"}),

    -- switch between layouts
    awful.key({ modkey,           }, "]", function () awful.layout.inc( 1)                end,
              {description = "select next", group = "layout"}),
    awful.key({ modkey,           }, "[", function () awful.layout.inc(-1)                end,
              {description = "select previous", group = "layout"}),

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

    -- Prompt
    awful.key({ modkey },            "space",     function () awful.screen.focused().mypromptbox:run() end,
              {description = "run prompt", group = "launcher"}),

    awful.key({ modkey }, "x",
              function ()
                  awful.prompt.run {
                    prompt       = "Run Lua code: ",
                    textbox      = awful.screen.focused().mypromptbox.widget,
                    exe_callback = awful.util.eval,
                    history_path = gears.filesystem.get_cache_dir() .. "/history_eval"
                  }
              end,
              {description = "lua execute prompt", group = "awesome"}),

    -- Applications {{{2
    -- Ksnapshot
    awful.key({        }, "F13",   function () awful.spawn("ksnapshot") end),
    awful.key({        }, "Print", function () awful.spawn("ksnapshot") end),
    -- ranger
    awful.key({ modkey }, "r", function () utils.spawn_terminal("ranger") end),
    -- Volume
    awful.key({        }, "XF86AudioMute",        function () awful.spawn("pulsemixer --toggle-mute")     end,
              {description = "toggle mute", group = "volume"}),
    awful.key({        }, "XF86AudioLowerVolume", function () awful.spawn("pulsemixer --change-volume -5") end,
              {description = "decrease volume", group = "volume"}),
    awful.key({        }, "XF86AudioRaiseVolume", function () awful.spawn("pulsemixer --change-volume +5") end,
              {description = "increase volume", group = "volume"}),
    awful.key({ modkey }, "F10",                  function () awful.spawn("pulsemixer --toggle-mute")     end,
              {description = "toggle mute", group = "volume"}),
    awful.key({ modkey }, "F11",                  function () awful.spawn("pulsemixer --change-volume -5") end,
              {description = "decrease volume", group = "volume"}),
    awful.key({ modkey }, "F12",                  function () awful.spawn("pulsemixer --change-volume +5") end,
              {description = "increase volume", group = "volume"}),
    -- Lock
    awful.key({ modkey, "Control" }, "Escape", function () awful.spawn("i3lock -c 000000") end),
    -- VimWiki
    awful.key({ modkey }, "i", function ()
        utils.spawn_terminal("vim -c 'call vimwiki#base#goto_index(v:count1)'", { instance = "vimwiki"})
    end),
    -- clipboard
    -- requires a little sleep before simulating shift+Insert, otherwise I
    -- believe the focus is still on awful and not the current window
    awful.key({ modkey }, "\\", function () awful.spawn('xdotool sleep 0.2 key --clearmodifiers shift+Insert') end,
              {description = "paste primary selection", group = "awesome"}),
    -- utf8 picker
    -- TODO: the mapping is similar to kitty's <C-S-u>, but worth changing maybe?
    awful.key({ modkey, "Shift"}, "u", function () awful.spawn('rofimoji') end,
              { description = "select utf8 character", group = "awesome"})
)

-- Client keys {{{1
clientkeys = gears.table.join(
    awful.key({ modkey,           }, "f",
        function (c)
            c.fullscreen = not c.fullscreen
            c:raise()
        end,
        {description = "toggle fullscreen", group = "client"}),
    awful.key({ modkey, "Shift"   }, "c",      function (c) c:kill()                         end,
              {description = "close", group = "client"}),
    awful.key({ modkey, "Control" }, "space",  awful.client.floating.toggle                     ,
              {description = "toggle floating", group = "client"}),
    awful.key({ modkey, "Control" }, "Return", function (c) c:swap(awful.client.getmaster()) end,
              {description = "move to master", group = "client"}),
    awful.key({ modkey,           }, "t",      function (c) c.ontop = not c.ontop            end,
              {description = "toggle keep on top", group = "client"}),
    awful.key({ modkey,           }, "b",      function (c) c.below = not c.below            end,
              {description = "toggle keep below", group = "client"}),
    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 ,
        {description = "minimize", group = "client"}),
    awful.key({ modkey,           }, "m",
        function (c)
            c.maximized = not c.maximized
            c:raise()
        end ,
        {description = "maximize", group = "client"}),

    -- Move client to screen
    awful.key({ modkey, "Shift" }, "#94",      function (c) c:move_to_screen()               end,
              {description = "move to screen", group = "client"}),
    awful.key({ modkey, "Shift" }, "#49",      function (c) c:move_to_screen()               end,
              {description = "move to screen", group = "client"}),
    awful.key({ modkey, "Shift" }, "=",        function (c) c:move_to_screen()               end,
              {description = "move to screen", group = "client"})
)

-- Tags {{{1
-- 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 = gears.table.join(globalkeys,
        -- View tag only.
        awful.key({ modkey }, "#" .. i + 9,
                  function ()
                        local screen = awful.screen.focused()
                        local tag = screen.tags[i]
                        if tag then
                            if tag.selected then
                                awful.tag.history.restore(screen)
                            else
                                tag:view_only()
                            end
                        end
                  end,
                  {description = "view tag #"..i, group = "tag"}),
        -- Toggle tag display.
        awful.key({ modkey, "Control" }, "#" .. i + 9,
                  function ()
                      local screen = awful.screen.focused()
                      local tag = screen.tags[i]
                      if tag then
                         awful.tag.viewtoggle(tag)
                      end
                  end,
                  {description = "toggle tag #" .. i, group = "tag"}),
        -- Move client to tag.
        awful.key({ modkey, "Shift" }, "#" .. i + 9,
                  function ()
                      if client.focus then
                          local tag = client.focus.screen.tags[i]
                          if tag then
                              client.focus:move_to_tag(tag)
                          end
                     end
                  end,
                  {description = "move focused client to tag #"..i, group = "tag"}),
        -- Toggle tag on focused client.
        awful.key({ modkey, "Control", "Shift" }, "#" .. i + 9,
                  function ()
                      if client.focus then
                          local tag = client.focus.screen.tags[i]
                          if tag then
                              client.focus:toggle_tag(tag)
                          end
                      end
                  end,
                  {description = "toggle focused client on tag #" .. i, group = "tag"})
    )
end

-- Client Buttons {{{1
clientbuttons = gears.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))