# guild_mark_uploader_system.gd —— 40250 行会 16x12 图标与战旗上传分发系统 1:1
# 严格对照：
#   Client/Eternexus/root/uiuploadmark.py (MarkItem, SymbolItem)
#   ClientVS22/source/UserInterface/GuildMarkUploader.cpp, GuildMarkDownloader.cpp
#   ClientVS22/source/UserInterface/MarkManager.cpp, MarkImage.cpp
extends RefCounted

const MARK_WIDTH := 16        # 官方行会图标宽度
const MARK_HEIGHT := 12       # 官方行会图标高度

const SYMBOL_WIDTH := 64      # 官方战旗宽度 (GuildMarkUploader.cpp:119)
const SYMBOL_HEIGHT := 128    # 官方战旗高度 (GuildMarkUploader.cpp:124)

# 错误码 (GuildMarkUploader.cpp)
enum UploadError {
	ERROR_NONE,
	ERROR_NOT_GUILD_MASTER,
	ERROR_LOAD,
	ERROR_WIDTH,
	ERROR_HEIGHT,
	ERROR_UNSUPPORTED_FORMAT
}

class GuildMarkData:
	var guild_id: int
	var mark_type: String     # "MARK" 或 "SYMBOL"
	var width: int
	var height: int
	var raw_pixels: PackedByteArray
	var mark_hash: String

	func _init(p_gid: int, p_type: String, w: int, h: int, pixels: PackedByteArray) -> void:
		guild_id = p_gid
		mark_type = p_type
		width = w
		height = h
		raw_pixels = pixels
		mark_hash = str(p_gid) + "_" + p_type + "_" + str(Time.get_ticks_msec())

# 客户端本地缓存: guild_id -> { "mark": GuildMarkData, "symbol": GuildMarkData }
var cached_marks: Dictionary = {}

func _init() -> void:
	cached_marks.clear()

# 1. 上传 16x12 行会图标 (1:1 CPythonGuild::UploadMark)
func upload_guild_mark(
	guild_id: int,
	is_guild_master: bool,
	image_width: int,
	image_height: int,
	image_format: String = "bmp",
	pixel_bytes: PackedByteArray = PackedByteArray()
) -> Dictionary:
	var res := {
		"success": false,
		"error_code": UploadError.ERROR_NONE,
		"mark_data": null,
		"message": ""
	}

	# 权限检查：只有会长或持有上传权者可操作
	if not is_guild_master:
		res["error_code"] = UploadError.ERROR_NOT_GUILD_MASTER
		res["message"] = "只有行会长有权上传或更改行会图标。"
		return res

	# 格式校验 (官方仅支持 BMP 格式)
	if image_format.to_lower() != "bmp":
		res["error_code"] = UploadError.ERROR_UNSUPPORTED_FORMAT
		res["message"] = "行会图标必须为 BMP 格式图像。"
		return res

	# 尺寸精确校验 (16 x 12)
	if image_width != MARK_WIDTH:
		res["error_code"] = UploadError.ERROR_WIDTH
		res["message"] = "图标宽度不符合规格 (必须为 16 像素)。"
		return res

	if image_height != MARK_HEIGHT:
		res["error_code"] = UploadError.ERROR_HEIGHT
		res["message"] = "图标高度不符合规格 (必须为 12 像素)。"
		return res

	# 生成并存入缓存
	var mark_obj = GuildMarkData.new(guild_id, "MARK", MARK_WIDTH, MARK_HEIGHT, pixel_bytes)
	if not cached_marks.has(guild_id):
		cached_marks[guild_id] = {}
	cached_marks[guild_id]["mark"] = mark_obj

	res["success"] = true
	res["mark_data"] = mark_obj
	res["message"] = "行会 16x12 图标上传成功，已同步至头顶战标渲染！"
	return res

# 2. 上传 64x128 行会战旗 (1:1 CPythonGuild::UploadSymbol)
func upload_guild_symbol(
	guild_id: int,
	is_guild_master: bool,
	image_width: int,
	image_height: int,
	image_format: String = "bmp",
	pixel_bytes: PackedByteArray = PackedByteArray()
) -> Dictionary:
	var res := {
		"success": false,
		"error_code": UploadError.ERROR_NONE,
		"symbol_data": null,
		"message": ""
	}

	if not is_guild_master:
		res["error_code"] = UploadError.ERROR_NOT_GUILD_MASTER
		res["message"] = "只有行会长有权上传行会战旗。"
		return res

	if image_format.to_lower() != "bmp":
		res["error_code"] = UploadError.ERROR_UNSUPPORTED_FORMAT
		res["message"] = "战旗必须为 BMP 格式图像。"
		return res

	if image_width != SYMBOL_WIDTH:
		res["error_code"] = UploadError.ERROR_WIDTH
		res["message"] = "战旗宽度不符合规格 (必须为 64 像素)。"
		return res

	if image_height != SYMBOL_HEIGHT:
		res["error_code"] = UploadError.ERROR_HEIGHT
		res["message"] = "战旗高度不符合规格 (必须为 128 像素)。"
		return res

	var symbol_obj = GuildMarkData.new(guild_id, "SYMBOL", SYMBOL_WIDTH, SYMBOL_HEIGHT, pixel_bytes)
	if not cached_marks.has(guild_id):
		cached_marks[guild_id] = {}
	cached_marks[guild_id]["symbol"] = symbol_obj

	res["success"] = true
	res["symbol_data"] = symbol_obj
	res["message"] = "行会 64x128 战旗上传成功，已部署至领地旗杆！"
	return res

# 3. 获取行会图标与战旗 (1:1 MarkManager::GetMarkImage)
func get_guild_mark(guild_id: int) -> GuildMarkData:
	if cached_marks.has(guild_id) and cached_marks[guild_id].has("mark"):
		return cached_marks[guild_id]["mark"]
	return null

func get_guild_symbol(guild_id: int) -> GuildMarkData:
	if cached_marks.has(guild_id) and cached_marks[guild_id].has("symbol"):
		return cached_marks[guild_id]["symbol"]
	return null

# 4. 清除行会图标
func clear_guild_mark(guild_id: int) -> void:
	if cached_marks.has(guild_id):
		cached_marks[guild_id].erase("mark")