# -*- coding: UTF-8 -*- 
import os
import sys
import re
from . import file_utils

class MkUtils:
    #成员变量
    srcContent = ''
    includeContent = ''
    exportIncludeContent = ''
    rootPath = ''
    mkPath = ''
    relativePath = ''
    def __init__(self):
        pass
    def init(self, rootPath, mkPath):
        self.rootPath = rootPath
        self.mkPath = mkPath

    def replaceContent(self, mkPath):
        with open(mkPath) as f:
            content = f.read()
            content = re.sub(r'#___AUTO_SRC_START___[\s\S]*#___AUTO_SRC_END___', '#___AUTO_SRC_START___\n' + 'LOCAL_SRC_FILES := ' + self.srcContent + '#___AUTO_SRC_END___\n', content)
            content = re.sub(r'#___AUTO_EXPORT_C_INCLUDES_START___[\s\S]*#___AUTO_EXPORT_C_INCLUDES_END___', '#___AUTO_EXPORT_C_INCLUDES_START___\n' + 'LOCAL_EXPORT_C_INCLUDES :=' + self.includeContent + '#___AUTO_EXPORT_C_INCLUDES_END___\n', content)
            content = re.sub(r'#___AUTO_C_INCLUDES_START___[\s\S]*#___AUTO_C_INCLUDES_END___', '#___AUTO_C_INCLUDES_START___\n' + 'LOCAL_C_INCLUDES :=' + self.includeContent + '#___AUTO_C_INCLUDES_END___\n', content)
        file_utils.writeToFile(content, mkPath)
        pass    
    '''
    遍历目录中的c++文件加入Android.mk
    @param dirctory:文件路径
    @param suffixList:拓展名数组
    @param recursive:是否递归
    '''
    def addToMk(self, directory, suffixList, recursive):
        #遍历文件夹下的所有cpp文件
        self.travelsalDir(directory, suffixList, recursive)
        pass
    def addToInclude(self, path):
        relativePath = self.getRelativePath(path)
        self.includeContent += '    $(LOCAL_PATH)/' + relativePath + ' \\' + '\n'
        pass
    def addToSrc(self, path):
        relativePath = self.getRelativePath(path)
        self.srcContent += '    ' + relativePath  + ' \\' + '\n'
        pass
    def getRelativePath(self, path):
        mkLen = len(self.mkPath)
        rootLen = len(self.rootPath)
        splitPath = self.mkPath[rootLen + 1 : mkLen]
        mkPathArr = []
        pathArr = []
        if len(splitPath) > 0 :
            mkPathArr = splitPath.split('/')
        if len(path) > 0 :
            pathArr = path.split('/')
        relativePath = ''
        for dir in mkPathArr:
            if(dir in pathArr):
                pathArr.remove(dir)
            else:
                relativePath += '../'
        num = len(pathArr)
        for i in range(num):
            if(i == num - 1):
                relativePath += pathArr[i]
            else:
                relativePath += pathArr[i] + '/'
        return relativePath
    #遍历目录中的所有文件和目录
    def travelsalDir(self, directory, suffixList, recursive):
        dirPath = self.rootPath + '/' + directory
        if(file_utils.isFile(dirPath)):
            print("不是文件夹:" + dirPath);
            return;
        self.addToInclude(directory)
        dirs = os.listdir(dirPath)
        dirs.sort()#排序
        for file in dirs:
            if(file_utils.isFile(dirPath+ '/'+ file)):
                ext = os.path.splitext(dirPath+ '/'+ file)[1]
                if(ext in suffixList):
                    if(directory == ''):
                        self.addToSrc(file)
                        print(file);
                    else:
                        self.addToSrc(directory+ '/'+ file)
                        print(directory+ '/'+ file);
            else:
                if recursive == True:
                    self.travelsalDir(directory +'/'+ file, suffixList, True)
        pass