local gears = require("gears")
local awful = require("awful")
local menubar = require("menubar")
local hotkeys_popup = require("awful.hotkeys_popup")

local _M = {}

function _M.get()
	globalkeys = gears.table.join(
		awful.key({ RC.vars.modkey }, "s", hotkeys_popup.show_help, { description = "show help", group = "awesome" }),
		awful.key({ RC.vars.modkey }, "Left", awful.tag.viewprev, { description = "view previous", group = "tag" }),
		awful.key({ RC.vars.modkey }, "Right", awful.tag.viewnext, { description = "view next", group = "tag" }),
		awful.key({ RC.vars.modkey }, "Escape", awful.tag.history.restore, { description = "go back", group = "tag" }),

		awful.key({ RC.vars.modkey }, "j", function()
			awful.client.focus.byidx(1)
		end, { description = "focus next by index", group = "client" }),
		awful.key({ RC.vars.modkey }, "k", function()
			awful.client.focus.byidx(-1)
		end, { description = "focus previous by index", group = "client" }),

		-- Layout manipulation
		awful.key({ RC.vars.modkey, "Shift" }, "j", function()
			awful.client.swap.byidx(1)
		end, { description = "swap with next client by index", group = "client" }),
		awful.key({ RC.vars.modkey, "Shift" }, "k", function()
			awful.client.swap.byidx(-1)
		end, { description = "swap with previous client by index", group = "client" }),
		awful.key({ RC.vars.modkey, "Control" }, "j", function()
			awful.screen.focus_relative(1)
		end, { description = "focus the next screen", group = "screen" }),
		awful.key({ RC.vars.modkey, "Control" }, "k", function()
			awful.screen.focus_relative(-1)
		end, { description = "focus the previous screen", group = "screen" }),
		awful.key(
			{ RC.vars.modkey },
			"u",
			awful.client.urgent.jumpto,
			{ description = "jump to urgent client", group = "client" }
		),
		awful.key({ RC.vars.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({ RC.vars.modkey }, "Return", function()
			awful.spawn(RC.vars.terminal)
		end, { description = "open a terminal", group = "launcher" }),
		awful.key(
			{ RC.vars.modkey, "Control" },
			"r",
			awesome.restart,
			{ description = "reload awesome", group = "awesome" }
		),
		awful.key({ RC.vars.modkey, "Shift" }, "q", awesome.quit, { description = "quit awesome", group = "awesome" }),

		awful.key({ RC.vars.modkey }, "l", function()
			awful.tag.incmwfact(0.05)
		end, { description = "increase master width factor", group = "layout" }),
		awful.key({ RC.vars.modkey }, "h", function()
			awful.tag.incmwfact(-0.05)
		end, { description = "decrease master width factor", group = "layout" }),
		awful.key({ RC.vars.modkey, "Shift" }, "h", function()
			awful.tag.incnmaster(1, nil, true)
		end, { description = "increase the number of master clients", group = "layout" }),
		awful.key({ RC.vars.modkey, "Shift" }, "l", function()
			awful.tag.incnmaster(-1, nil, true)
		end, { description = "decrease the number of master clients", group = "layout" }),
		awful.key({ RC.vars.modkey, "Control" }, "h", function()
			awful.tag.incncol(1, nil, true)
		end, { description = "increase the number of columns", group = "layout" }),
		awful.key({ RC.vars.modkey, "Control" }, "l", function()
			awful.tag.incncol(-1, nil, true)
		end, { description = "decrease the number of columns", group = "layout" }),
		awful.key({ RC.vars.modkey }, "space", function()
			awful.layout.inc(1)
		end, { description = "select next", group = "layout" }),
		awful.key({ RC.vars.modkey, "Shift" }, "space", function()
			awful.layout.inc(-1)
		end, { description = "select previous", group = "layout" }),

		awful.key({ RC.vars.modkey, "Control" }, "n", function()
			local c = awful.client.restore()
			-- Focus restored client
			if c then
				c:emit_signal("request::activate", "key.unminimize", { raise = true })
			end
		end, { description = "restore minimized", group = "client" }),

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

		awful.key({ RC.vars.modkey }, "x", function()
			awful.prompt.run({
				prompt = "Run Lua code: ",
				textbox = awful.screen.focused().mypromptbox.widget,
				exe_callback = awful.util.eval,
				history_path = awful.util.get_cache_dir() .. "/history_eval",
			})
		end, { description = "lua execute prompt", group = "awesome" }),
		-- Menubar
		awful.key({ RC.vars.modkey }, "p", function()
			menubar.show()
		end, { description = "show the menubar", group = "launcher" })
	)

	for i = 1, 6 do
		globalkeys = gears.table.join(
			globalkeys,
			-- View tag only.
			awful.key({ RC.vars.modkey }, "#" .. i + 9, function()
				local screen = awful.screen.focused()
				local tag = screen.tags[i]
				if tag then
					tag:view_only()
				end
			end, { description = "view tag #" .. i, group = "tag" }),
			-- Toggle tag display.
			awful.key({ RC.vars.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({ RC.vars.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({ RC.vars.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

    return globalkeys
end

return setmetatable({}, {
	__call = function(_, ...)
		return _M.get(...)
	end,
})
