#coding=utf-8

import  sys,os,re,chardet,getopt,csv

repattern = re.compile(r'.*[\.]{1}([^\.]+)')
savepath = './'

def data2UTF8(data):
	if data == None or len(data) <=0:
		return data
	charset = chardet.detect(data)
	try:
		if charset != None and charset['encoding'] and charset['encoding'] in ('utf-8'):
			data = data.decode('utf-8', 'replace').encode('GB2312')
	except BaseException:
		print(charst)
	finally:
		return data

def saveFile(filename, data):
	file = open(filename, 'w', encoding='utf-8')
	if file:
		#data = data2UTF8(data)
		file.write(data)
		file.close()

def convertName(name):
	up = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz01234567890'
	tempname = ''
	if len(name) > 0:
		tempname = name[0].upper()
	for i in range(1,len(name)):
		if name[i] not in up:
			continue
		tempname += name[i]
	return tempname

def analysisCsv(filename, csvConfig, defConfig, loadConfig, csvNameListConfig):
	namestr = os.path.split(filename)
	if len(namestr) < 2:
		print('err')
		return
	stname = os.path.splitext(namestr[1])[0]
	convertname = convertName(stname)
	#print('name:', name)
	outText = '\n\nvar ' + convertname + 'Loader  map[int32]*' + convertname
	defText = ''
	csvNameText = ''
	firstAttrName = '' #第一个字段名称
	with open(filename, 'r', encoding='utf-8') as myfile:
		outText += '\ntype ' + convertname + ' struct{'
		lines = csv.reader(myfile)
		descList = []
		typeList = []
		nameList = []
		index = 0
		for line in lines:
			if index == 0:
				for i in range(0, len(line)):
					descList.append(line[i].strip())
			elif index == 1:
				for i in range(0, len(line)):
					nameList.append(line[i].strip())
			elif index == 2:
				for i in range(0, len(line)):
					if line[i] == 'float':
						typeList.append('float32')
					elif line[i] == 'int':
						typeList.append('int32')
					elif line[i] == 'list':
						typeList.append('[]string')
					else:
						typeList.append(line[i].strip())
			else:
				break
			index += 1

		#描述
		if len(descList) != len(typeList) or len(descList) != len(nameList):
			print('err:',stname)
			return
		for i in range(0,len(descList)):
			_desc = descList[i]
			_type = typeList[i]
			_name = nameList[i]
			outText += '\n\t' + convertName(_name) + '\t' + _type + '\t`csv:"' + _name + '"`\t\t//' + _desc
			if firstAttrName == '':
				firstAttrName = convertName(_name)
		outText += '\n}'
		outText += '\nfunc ' + convertname + 'Load(path string) {\n\tcfg := []*' + convertname + '{}\n'
		outText += '\t' + convertname + 'Loader = map[int32]*' + convertname + '{}\n'
		outText += '\tloadCsvCfg(path + "' + stname + '.csv", &cfg)\n\tfor _,row := range cfg{\n\t\t'
		outText += convertname + 'Loader[row.' + firstAttrName + '] = row\n\t}\n}'
		defText = '\n\tCFG_' + convertname + ' = "' + stname + '.csv"'
		csvNameText = '\n\tCFGNameList["' + stname + '"] = ' + stname + 'Load'
		loadConfig.append('\n\t'+convertname+"Load(path)")
	print('file done:',filename)
	csvConfig.append(outText)
	defConfig.append(defText)
	csvNameListConfig.append(csvNameText)
	
	#saveFile(savepath + stname+'.go', outText)

def analysisXml(filename, defConfig):
	print('xml:',filename)
	namestr = os.path.split(filename)
	if len(namestr) < 2:
		print('err')
		return
	stname = os.path.splitext(namestr[1])[0]
	convertname = convertName(stname)
	defText = '\n\t"' + stname + '",'
	defConfig.append(defText)

#获取路径下的指定类型文件列表
def getFileList(path, fileList):
	for parent, dirnames, filenames in os.walk(path):
		for filename in filenames:
			match = repattern.match(filename)
			if match:
				filetype = match.groups()[0]
				if filetype in ['csv']:
					fileList.append(os.path.join(parent, filename))
				if filetype in ['xml']:
					fileList.append(os.path.join(parent, filename))

if __name__ == '__main__':
	configFile = ''#'D:/rowok/cehua/'
	try:
		opts,args = getopt.getopt(sys.argv[1:], "hp:d:", ["help","dir="])
		for opt, arg in opts:
			if opt in  ("-d", "--dir"):
				configFile = arg
	except getopt.GetoptError:
		useage()
		sys.exit(1)

	csvConfigFile = configFile + '/csv'
	xmlConfigFile = configFile + '/xml'
	#解析csv文件获得服务器使用的结构体
	fileList = []
	csvConfig = []
	defConfig = []
	csvNameListConfig = []
	loadConfig = []
	xmlConfigFileList = []
	defXmlConfig = []
	getFileList(csvConfigFile, fileList)
	getFileList(xmlConfigFile, xmlConfigFileList)
	for file in fileList:
		analysisCsv(file, csvConfig, defConfig, loadConfig, csvNameListConfig)
	for file in xmlConfigFileList:
		analysisXml(file, defXmlConfig)

	file = open(savepath+'config_csv.go', 'w', encoding='utf-8')
	if file:
		file.write('package serverproto\n\n')
		file.write('const (')
		for out in defConfig:
			file.write(out)
		file.write('\n)\n')
		file.write('var CFGNameList = map[string]func(path string){}')
		file.write('\n\nfunc configNameListInit(){')
		for out in csvNameListConfig:
			file.write(out)
		file.write('\n}')
		file.write('\n\n\nvar XmlFileList = []string{')
		for out in defXmlConfig:
			file.write(out)
		file.write('\n}\n\n')

		file.write('//load config data\nfunc ConfigInit(path string) {')
		file.write('\n\tconfigNameListInit()')
		for out in loadConfig:
			file.write(out)
		file.write('\n}')

		for out in csvConfig:
			file.write(out)
		file.close()