local Public = {}
local Team = require "maps.biter_hatchery.team"
local Server = require 'utils.server'

function Public.spectate_button(player)
	if player.gui.top.spectate_button then return end
	local button = player.gui.top.add({type = "button", name = "spectate_button", caption = "Spectate"})
	button.style.font = "default-bold"
	button.style.font_color = {r = 0.0, g = 0.0, b = 0.0}
	button.style.minimal_height = 38
	button.style.minimal_width = 38
	button.style.top_padding = 2
	button.style.left_padding = 4
	button.style.right_padding = 4
	button.style.bottom_padding = 2
end

function Public.unit_health_buttons(player)
	if player.gui.top.health_boost_west then return end
	local button = player.gui.top.add({type = "sprite-button", name = "health_boost_west", caption = 1, tooltip = "Health modfier of west side biters.\nIncreases by feeding."})
	button.style.font = "heading-1"
	button.style.font_color = {r = 0, g = 180, b = 0}
	button.style.minimal_height = 38
	button.style.minimal_width = 78	
	button.style.padding = 2
	local button = player.gui.top.add({type = "sprite-button", name = "health_boost_east", caption = 1, tooltip = "Health modfier of east side biters.\nIncreases by feeding."})
	button.style.font = "heading-1"
	button.style.font_color = {r = 180, g = 180, b = 0}
	button.style.minimal_height = 38
	button.style.minimal_width = 78	
	button.style.padding = 2
end

function Public.update_health_boost_buttons(player)
	local gui = player.gui.top
	gui.health_boost_west.caption = math.round(global.map_forces.west.unit_health_boost * 100, 1) .. "%"
	gui.health_boost_east.caption = math.round(global.map_forces.east.unit_health_boost * 100, 1) .. "%"
end

local function create_spectate_confirmation(player)
	if player.gui.center.spectate_confirmation_frame then return end
	local frame = player.gui.center.add({type = "frame", name = "spectate_confirmation_frame", caption = "Are you sure you want to spectate this round?"})
	frame.style.font = "default"
	frame.style.font_color = {r = 0.3, g = 0.65, b = 0.3}
	frame.add({type = "button", name = "confirm_spectate", caption = "Spectate"})
	frame.add({type = "button", name = "cancel_spectate", caption = "Cancel"})
end

function Public.rejoin_question(hatchery)
	if game.tick % 90 ~= 0 then return end
	for _, player in pairs(game.forces.spectator.players) do
		if not player.gui.center.rejoin_question_frame then 
			local frame = player.gui.center.add({type = "frame", name = "rejoin_question_frame", caption = "Rejoin the game?"})
			frame.style.font = "default"
			frame.style.font_color = {r = 0.3, g = 0.65, b = 0.3}
			frame.add({type = "button", name = "confirm_rejoin", caption = "Rejoin"})
			frame.add({type = "button", name = "cancel_rejoin", caption = "Cancel"})
		end
	end
	hatchery.reset_counter = hatchery.reset_counter + 1		
	local message = "Biter Hatchery round #" .. hatchery.reset_counter .. " has begun!"
	game.print(message, {180, 0, 250})
	Server.to_discord_bold(table.concat{'*** ', message, ' ***'})
	for _, player in pairs(game.connected_players) do
		player.play_sound{path="utility/new_objective", volume_modifier=0.85}
	end	
	hatchery.gamestate = "game_in_progress"
end

local function on_gui_click(event)
	if not event then return end
	if not event.element then return end
	if not event.element.valid then return end
	local player = game.players[event.element.player_index]
	
	if event.element.name == "confirm_rejoin" then
		player.gui.center["rejoin_question_frame"].destroy()
		Team.assign_force_to_player(player)
		Team.teleport_player_to_spawn(player)
		Team.add_player_to_team(player)
		game.print(player.name .. " has rejoined the game!")
		return 
	end
	if event.element.name == "cancel_rejoin" then player.gui.center["rejoin_question_frame"].destroy() return end
	
	if player.force.name == "spectator" then return end
	if event.element.name == "cancel_spectate" then player.gui.center["spectate_confirmation_frame"].destroy() return end
	if event.element.name == "confirm_spectate" then
		player.gui.center["spectate_confirmation_frame"].destroy()
		Team.set_player_to_spectator(player)
		game.print(player.name .. " has turned into a spectator ghost.")
		return 
	end
	if event.element.name == "spectate_button" then
		if player.gui.center["spectate_confirmation_frame"] then
			player.gui.center["spectate_confirmation_frame"].destroy()
		else
			create_spectate_confirmation(player)
		end
		return
	end
end

local event = require 'utils.event'
event.add(defines.events.on_gui_click, on_gui_click)

return Public