-- Pull in the wezterm API
local wezterm = require("wezterm")
local act = wezterm.action

-- This will hold the configuration.
local config = wezterm.config_builder()

-- This is where you actually apply your config choices
config.color_scheme = "nord"
config.font = wezterm.font("BrutalistMono Nerd Font")
config.font_size = {{ .fontsize }}.0

-- Spawn a fish shell in login mode
config.default_prog = { '{{ .shell }}', '-l' }

config.window_frame = {
	font = wezterm.font("BrutalistMono Nerd Font"),
	font_size = {{ .fontsize }}.0,
	active_titlebar_bg = "#434C5E",
	inactive_titlebar_bg = "#434C5E",
}

function tab_title(tab_info)
	local title = tab_info.tab_title
	-- if the tab title is explicitly set, take that
	if title and #title > 0 then
		return title
	end
	-- Otherwise, use the title from the active pane
	-- in that tab
	return tab_info.active_pane.title
end

wezterm.on("format-tab-title", function(tab, tabs, panes, config, hover, max_width)
	local background = "#4C566A"
	local foreground = "#808080"

	if tab.is_active then
		background = "#5E81AC"
		foreground = "#c0c0c0"
	end

	local title = tab_title(tab)

	-- ensure that the titles fit in the available space,
	-- and that we have room for the edges.
	title = wezterm.truncate_right(title, max_width - 2)

	return {
		{ Background = { Color = background } },
		{ Foreground = { Color = foreground } },
		{ Text = title },
	}
end)

config.keys = {
	{
		key = "R",
		mods = "CTRL",
		action = act.PromptInputLine({
			description = "Enter new name for tab",
			action = wezterm.action_callback(function(window, pane, line)
				if line then
					window:active_tab():set_title(line)
				end
			end),
		}),
	},
}


-- and finally, return the configuration to wezterm
return config