local drive = {}

function drive.register()
	local list = native.fs_list("/sys/block")
	for _, ent in ipairs(list) do
		-- Match hard drives. floppy drives, an rewindable tape drives
		if (ent:match("sd%a%d*") or ent:match("hd%a%d*") or ent:match("fd%d+") or ent:match("n?st%d+[lma]?") or ent:match("n?ht%d+[lma]?")) then
		--if true then
			lprint("Attempting to open: "..ent)
			local ok, disk = pcall(blk.open, ent)
			if ok then
				local nh = io.open("/sys/block/"..ent.."/device/model", "r")
				local name = nh:read("*a"):gsub("%s+$", "")
				nh:close()
				nh = io.open("/sys/block/"..ent.."/device/vendor", "r")
				local vendor = nh:read("*a"):gsub("%s+$", "")
				nh:close()
				nh = io.open("/sys/block/"..ent.."/device/wwid", "r")
				local wwid
				if nh then
					wwid = nh:read("*a"):gsub("%s+$", "")
					nh:close()
				end
				
				local component = {}

				function component.readByte(offset)
					return blk.readbyte(disk, offset)
				end

				function component.writeByte(offset, value)
					return blk.writebyte(disk, offset, value)
				end

				function component.getLabel()
					return name
				end

				function component.setLabel(str)
					-- stub
					return name
				end

				function component.readSector(sec)
					return blk.readsector(disk, sec)
				end

				function component.writeSector(sec, val)
					return blk.writesector(disk, sec, val)
				end

				function component.getPlatterCount()
					return blk.platcount(disk)
				end

				function component.getSectorSize()
					return blk.secsize(disk)
				end

				function component.getCapacity()
					return blk.size(disk)
				end

				local gid = wwid or (vendor.." "..name.." "..ent)

				modules.component.api.register(modules.uuidmgr.lookup("drive", gid), "drive", component)
			else
				lprint("Can't open blkdev: "..ent..": "..disk)
			end
		end
	end
end

return drive