extends Node

var mod_paths := []
var mod_manifests := {}
const MODS_DIR := "res://mods"

func _ready():
	load_mods(MODS_DIR)
	load_mod_content()

func load_mods(base_path: String):
	var dir := DirAccess.open(base_path)
	if not dir:
		push_error("No mods folder found.")
		return

	for folder in dir.get_directories():
		var mod_path = base_path + "/" + folder
		var manifest_path = mod_path + "/manifest.json"
		if FileAccess.file_exists(manifest_path):
			var manifest_file := FileAccess.open(manifest_path, FileAccess.READ)
			var manifest : Dictionary = JSON.parse_string(manifest_file.get_as_text())
			if typeof(manifest) == TYPE_DICTIONARY: # always true ?
				mod_paths.append(mod_path)
				mod_manifests[manifest["id"]] = manifest
				print("Mod loaded: %s" % manifest["name"])

func load_units(units_path: String):
	var dir := DirAccess.open(units_path)
	if dir:
		for file in dir.get_files():
			if file.get_extension() == "json":
				var file_path = units_path + "/" + file
				var f := FileAccess.open(file_path, FileAccess.READ)
				if f:
					var data = JSON.parse_string(f.get_as_text())
					if typeof(data) == TYPE_DICTIONARY:
						ContentRegistry.register_unit(data)
						print("Unit loaded: %s" % data["id"])

func load_buildings(buildings_path: String):
	var dir := DirAccess.open(buildings_path)
	if dir:
		for file in dir.get_files():
			if file.get_extension() == "json":
				var file_path = buildings_path + "/" + file
				var f := FileAccess.open(file_path, FileAccess.READ)
				if f:
					var data = JSON.parse_string(f.get_as_text())
					if typeof(data) == TYPE_DICTIONARY:
						ContentRegistry.register_building(data)
						print("Building loaded: %s" % data["id"])

func load_mod_content():
	for mod_path in mod_paths:
		load_units(mod_path + "/units")
		load_buildings(mod_path + "/buildings")