--!native
--!optimize 2

local Players = game:GetService("Players")
local ReplicatedStorage = game:GetService("ReplicatedStorage")

local LoadingScreen = require(ReplicatedStorage.Client.LoadingScreen)
local ModLoader = require(ReplicatedStorage.Shared.ModLoader)
local ChunkManager = require(ReplicatedStorage.Shared.ChunkManager)
local PlacementManager = require(ReplicatedStorage.Shared.PlacementManager)

local Bootstrap = {}

local started = false

local function ensureFlag(name: string)
	local objects = ReplicatedStorage:WaitForChild("Objects")
	local existing = objects:FindFirstChild(name)
	if existing and existing:IsA("BoolValue") then
		return existing
	end
	local ready = Instance.new("BoolValue")
	ready.Name = name
	ready.Value = true
	ready.Parent = objects
	return ready
end

local contentProvider = game:GetService("ContentProvider")

local function waitForGameLoaded()
	if game:IsLoaded() then
		return
	end
	game.Loaded:Wait()
end

function Bootstrap.start()
	if started then
		return
	end
	started = true

	contentProvider:PreloadAsync(game:GetDescendants())
	
	ensureFlag("ClientReady")
	local screen = LoadingScreen.mount()

	screen.setStatus("Connecting...")
	screen.setDetail("Waiting for server")
	screen.setProgress(0.2)

	task.wait(1)

	waitForGameLoaded()

	local modsFolder = ReplicatedStorage:WaitForChild("Mods")
	local totalMods = #modsFolder:GetChildren()
	local modProgressWeight = 0.6

	ModLoader.loadModsC(function(index, total, modInstance, success)
		total = total > 0 and total or math.max(totalMods, 1)
		local ratio = index / total
		screen.setStatus(`Modloading progress: {index}/{total}`)
		screen.setDetail(`Loading {modInstance.Name}`)
		screen.setProgress(0.05 + ratio * modProgressWeight)
		if not success then
			screen.setDetail(`Failed loading {modInstance.Name}; continuing`)
		end
	end)

	ensureFlag("CSMLLoaded") -- needed

	screen.setStatus("Joining world...")
	screen.setDetail("Syncing with server")
	screen.setProgress(0.7)

	task.wait(0.5)

	screen.close()
end

return Bootstrap