refactor: split mpv plugin into modular script directory

plugin/subminer/log.lua

@@ -0,0 +1,60 @@
+local M = {}
+
+local LOG_LEVEL_PRIORITY = {
+	debug = 10,
+	info = 20,
+	warn = 30,
+	error = 40,
+}
+
+function M.create(ctx)
+	local mp = ctx.mp
+	local msg = ctx.msg
+	local opts = ctx.opts
+
+	local function normalize_log_level(level)
+		local normalized = (level or "info"):lower()
+		if LOG_LEVEL_PRIORITY[normalized] then
+			return normalized
+		end
+		return "info"
+	end
+
+	local function should_log(level)
+		local current = normalize_log_level(opts.log_level)
+		local target = normalize_log_level(level)
+		return LOG_LEVEL_PRIORITY[target] >= LOG_LEVEL_PRIORITY[current]
+	end
+
+	local function subminer_log(level, scope, message)
+		if not should_log(level) then
+			return
+		end
+		local timestamp = os.date("%Y-%m-%d %H:%M:%S")
+		local line = string.format("[subminer] - %s - %s - [%s] %s", timestamp, string.upper(level), scope, message)
+		if level == "error" then
+			msg.error(line)
+		elseif level == "warn" then
+			msg.warn(line)
+		elseif level == "debug" then
+			msg.debug(line)
+		else
+			msg.info(line)
+		end
+	end
+
+	local function show_osd(message)
+		if opts.osd_messages then
+			mp.osd_message("SubMiner: " .. message, 3)
+		end
+	end
+
+	return {
+		normalize_log_level = normalize_log_level,
+		should_log = should_log,
+		subminer_log = subminer_log,
+		show_osd = show_osd,
+	}
+end
+
+return M