import os.path
import sys
import xml.etree.ElementTree as ET

namespaces = {'android': 'http://schemas.android.com/apk/res/android'}
encoding = 'UTF-8'


def get_package_name(manifest):
    """
    获取包名
    """
    tree = ET.parse(manifest)
    root = tree.getroot()
    return root.attrib['package']


def change_package_name(manifest, package_name):
    """
    更改包名
    """
    for key in namespaces:
        ET.register_namespace(key, namespaces[key])

    tree = ET.parse(manifest)
    root = tree.getroot()
    root.attrib['package'] = package_name
    tree.write(manifest, encoding)


def remove_launcher_activity(manifest):
    """
    删除启动的activity
    """
    for key in namespaces:
        ET.register_namespace(key, namespaces[key])

    tree = ET.parse(manifest)
    root = tree.getroot()

    attrName = get_namespaces_format('android:name', namespaces)
    for node in root.findall('application/activity'):
        if len(node.getchildren()) <= 0:
            continue

        for sub in node.getchildren():
            if sub.tag != 'intent-filter':
                continue

            for sub2 in sub.getchildren():
                if not (sub2.tag == 'category' and sub2.attrib[attrName] == 'android.intent.category.LAUNCHER'):
                    continue

                node.remove(sub)
                tree.write(manifest, encoding)
                return node.attrib[attrName]
    return 0


def remove_launcher_activity_by_name(manifest, name):
    """
    删除启动的activity
    """
    for key in namespaces:
        ET.register_namespace(key, namespaces[key])

    tree = ET.parse(manifest)
    root = tree.getroot()

    attrName = get_namespaces_format('android:name', namespaces)
    for node in root.findall('application/activity'):
        print('node ----> ' + node.attrib[attrName])
        if node.attrib[attrName] != name:
            continue
        for sub in node.getchildren():
            if sub.tag != 'intent-filter':
                continue

            for sub2 in sub.getchildren():
                if not (sub2.tag == 'category' and sub2.attrib[attrName] == 'android.intent.category.LAUNCHER'):
                    continue
                node.remove(sub)
                tree.write(manifest, encoding)
            return node.attrib[attrName]

    return 0


def get_screen_orientation(manifest):
    """
    获取启动activity的方向
    """
    for key in namespaces:
        ET.register_namespace(key, namespaces[key])

    tree = ET.parse(manifest)
    root = tree.getroot()

    attrName = get_namespaces_format('android:name', namespaces)
    attrOrientation = get_namespaces_format('android:screenOrientation', namespaces)
    for node in root.findall('application/activity'):
        if len(node.getchildren()) <= 0:
            continue

        for sub in node.getchildren():
            if sub.tag != 'intent-filter':
                continue

            for sub2 in sub.getchildren():
                if not (sub2.tag == 'category' and sub2.attrib[attrName] == 'android.intent.category.LAUNCHER'):
                    continue

                return node.attrib[attrOrientation]
    return 0


def add_launcher_activity(manifest, screen_orientation, activity):
    """
    添加启动的activity
    """
    for key in namespaces:
        ET.register_namespace(key, namespaces[key])

    tree = ET.parse(manifest)
    root = tree.getroot()

    # activity
    '''<activity android:name=".LauncherActivity"
            android:theme="@style/LauncherStyle">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>'''

    activity = ET.Element('activity', {'android:name': activity,
                                       'android:theme': '@android:style/Theme.Holo.Light.NoActionBar.Fullscreen',
                                       'android:launchMode': 'singleTop',
                                       'android:configChanges': 'orientation|screenSize|keyboardHidden',
                                       'android:screenOrientation': screen_orientation})
    intent = ET.Element('intent-filter')
    action = ET.Element('action', {'android:name': 'android.intent.action.MAIN'})
    category = ET.Element('category', {'android:name': 'android.intent.category.LAUNCHER'})
    intent.append(action)
    intent.append(category)
    activity.append(intent)

    application = root.find('application')
    application.insert(0, activity)

    tree.write(manifest, encoding)


def change_app_name(manifest, string_res):
    """
    更改app名
    """
    # 移除主activity的label
    remove_launcher_attr(manifest, 'label')
    return change_application_attr(manifest, 'label', string_res)


def get_launcher_activity(root):
    """
    获取启动的activity
    """
    attrName = get_namespaces_format('android:name', namespaces)

    for node in root.findall('application/activity'):
        if sys.version_info < (3, 9):
            node_dict = node.getchildren()
        else:
            node_dict = list(node)
        if len(node_dict) <= 0:
            continue

        for sub in node_dict:
            if sys.version_info < (3, 9):
                sub_dict = sub.getchildren()
            else:
                sub_dict = list(sub)
            if sub.tag != 'intent-filter':
                continue

            for sub2 in sub_dict:
                if sub2.tag == 'category' and sub2.attrib[attrName] == 'android.intent.category.LAUNCHER':
                    return node

    return None


def get_launcher_activities(manifest):
    """
    获取启动的activity
    """
    attrName = get_namespaces_format('android:name', namespaces)
    nodeList = []

    tree = ET.parse(manifest)
    root = tree.getroot()

    for node in root.findall('application/activity'):
        if len(node.getchildren()) <= 0:
            continue

        for sub in node.getchildren():
            if sub.tag != 'intent-filter':
                continue

            for sub2 in sub.getchildren():
                if sub2.tag == 'category' and sub2.attrib[attrName] == 'android.intent.category.LAUNCHER':
                    nodeList.append(node)

    return nodeList


def get_launcher_activity_name(manifest):
    """
    获取启动的activity
    """
    for key in namespaces:
        ET.register_namespace(key, namespaces[key])

    tree = ET.parse(manifest)
    root = tree.getroot()

    launcherActivity = get_launcher_activity(root)
    attrName = get_namespaces_format('android:name', namespaces)
    activityName = launcherActivity.attrib[attrName]
    return activityName


def add_more_icon(manifest, icon, switch_icon):
    """
    添加多图标
    """
    for key in namespaces:
        ET.register_namespace(key, namespaces[key])

    tree = ET.parse(manifest)
    root = tree.getroot()

    launcherActivity = get_launcher_activity(root)
    if launcherActivity is None:
        return 1

    attrName = get_namespaces_format('android:name', namespaces)
    activityName = launcherActivity.attrib[attrName]

    activityAlias = ET.Element('activity-alias', {'android:name': 'com.jmhy.sdk.icon.normal',
                                                  'android:enabled': 'false',
                                                  'android:icon': icon,
                                                  'android:targetActivity': activityName})

    activityAlias2 = ET.Element('activity-alias', {'android:name': 'com.jmhy.sdk.icon.switch',
                                                   'android:enabled': 'false',
                                                   'android:icon': switch_icon,
                                                   'android:targetActivity': activityName})

    for item in launcherActivity.getchildren():
        activityAlias.append(item)
        activityAlias2.append(item)

    application = root.find('application')
    application.append(activityAlias)
    application.append(activityAlias2)
    tree.write(manifest, encoding)
    return 0


def remove_launcher_attr(manifest, attr_type):
    """
    移除启动的activity的label
    """
    for key in namespaces:
        ET.register_namespace(key, namespaces[key])

    tree = ET.parse(manifest)
    root = tree.getroot()

    launcherActivity = get_launcher_activity(root)
    if launcherActivity is None:
        return 1

    attrName = get_namespaces_format('android:%s' % attr_type, namespaces)
    if attrName in launcherActivity.attrib:
        del launcherActivity.attrib[attrName]
        tree.write(manifest, encoding)

    return 0


def change_launcher_attr(manifest, attr_type, attr_value):
    """
    更改启动的activity的属性
    """
    for key in namespaces:
        ET.register_namespace(key, namespaces[key])

    tree = ET.parse(manifest)
    root = tree.getroot()

    launcherActivity = get_launcher_activity(root)
    if launcherActivity is None:
        return 1

    attrName = get_namespaces_format('android:%s' % attr_type, namespaces)
    if attrName in launcherActivity.attrib:
        launcherActivity.attrib[attrName] = attr_value
        tree.write(manifest, encoding)

    return 0


def change_app_icon(manifest, icon_res):
    """
    更改app icon
    """
    # 移除主activity的图标
    remove_launcher_attr(manifest, 'icon')
    return change_application_attr(manifest, 'icon', icon_res)


def change_application_attr(manifest, attr_type, attr_value):
    """
    更改Application的某个属性
    """
    for key in namespaces:
        ET.register_namespace(key, namespaces[key])

    tree = ET.parse(manifest)
    root = tree.getroot()
    application = root.find('application')
    # Namespaces
    attrName = get_namespaces_format('android:%s' % attr_type, namespaces)
    application.attrib[attrName] = attr_value
    tree.write(manifest, encoding)
    return 0


def add_application_attr(manifest, attr_type, attr_value):
    """
    更改Application的某个属性
    """
    for key in namespaces:
        ET.register_namespace(key, namespaces[key])

    tree = ET.parse(manifest)
    root = tree.getroot()
    application = root.find('application')
    # Namespaces
    attrName = get_namespaces_format('android:%s' % attr_type, namespaces)
    application.set(attrName, attr_value)
    tree.write(manifest, encoding)
    return 0


def get_application_attr(manifest, attr_type):
    """
    获取Application的某个属性
    """
    for key in namespaces:
        ET.register_namespace(key, namespaces[key])

    tree = ET.parse(manifest)
    root = tree.getroot()
    application = root.find('application')
    attrName = get_namespaces_format('android:%s' % attr_type, namespaces)
    if attrName in application.attrib:
        return application.attrib[attrName]

    return None


def get_namespaces_format(text, space):
    """
    格式化带namespaces的属性
    """
    for key in space:
        text = text.replace('%s:' % key, '{%s}' % space[key])
    return text


def merge_manifest_res(app_manifest, lib_manifest):
    """
    合并主文件
    """
    if not os.path.exists(lib_manifest):
        print('file "%s" not exists' % lib_manifest)
        return 1

    if not os.path.exists(app_manifest):
        print('file "%s" not exists' % app_manifest)
        return 1

    libInfo = get_lib_manifest_info(lib_manifest)
    appPermission = get_manifest_permission(app_manifest)
    diffPermission = merge_manifest_permission(appPermission, libInfo['permissionList'])

    merge_manifest(app_manifest, diffPermission, libInfo['activityList'])
    return 0


def get_lib_manifest_info(lib_manifest):
    """
    获取框架的主文件参数
    """
    for key in namespaces:
        ET.register_namespace(key, namespaces[key])

    tree = ET.parse(lib_manifest)
    root = tree.getroot()

    permissionList = root.findall('permissions/*')
    activityList = root.findall('application/*')

    info = {'permissionList': permissionList, 'activityList': activityList}
    return info


def get_manifest_permission(app_manifest):
    """
    获取主文件参数
    """
    for key in namespaces:
        ET.register_namespace(key, namespaces[key])

    tree = ET.parse(app_manifest)
    root = tree.getroot()

    return root.findall('uses-permission')


def merge_manifest_permission(app_permission, lib_permission):
    """
    合并主文件参数
    """
    newPermissionList = []

    for permission in lib_permission:
        if contain(app_permission, permission):
            continue
        newPermissionList.append(permission)

    return newPermissionList


def contain(node_list, item):
    """
    是否存在
    """
    attrName = get_namespaces_format('android:name', namespaces)
    for node in node_list:
        if node.attrib[attrName] == item.attrib[attrName]:
            return True
    return False


def merge_manifest(app_manifest, permission_list, activity_list):
    """
    将权限和activity加入到主文件
    """
    for key in namespaces:
        ET.register_namespace(key, namespaces[key])

    tree = ET.parse(app_manifest)
    root = tree.getroot()

    # 权限
    for item in permission_list:
        root.insert(0, item)

    # activity
    application = root.find('application')
    # 删除不支持属性
    attrName = get_namespaces_format('android:roundIcon', namespaces)
    if attrName in application.attrib:
        del application.attrib[attrName]
    # 删除不支持属性
    attrName = get_namespaces_format('android:testOnly', namespaces)
    if attrName in application.attrib:
        del application.attrib[attrName]
    # 删除不支持属性
    attrName = get_namespaces_format('android:debuggable', namespaces)
    if attrName in application.attrib:
        del application.attrib[attrName]

    # 覆盖
    # 移除相同的标签
    attrName = get_namespaces_format('android:name', namespaces)
    if sys.version_info < (3, 9):
        children_dict = application.getchildren()
    else:
        children_dict = list(application)
    for item in children_dict:
        if contain(activity_list, item):
            application.remove(item)

    for item in activity_list:
        application.insert(1, item)

    tree.write(app_manifest, encoding)


def addMetaData(manifest, meta):
    """
    添加meta-data
    """
    for key in namespaces:
        ET.register_namespace(key, namespaces[key])

    tree = ET.parse(manifest)
    root = tree.getroot()

    application = root.find('application')
    for key in meta:
        val = meta[key]
        '''if type(val) == str and val.isdigit():
            element = ET.Element('meta-data', {'android:name' : key, 'android:value' : '\\ ' + val})
        else:
            element = ET.Element('meta-data', {'android:name' : key, 'android:value' : val})'''
        element = ET.Element('meta-data', {'android:name': key, 'android:value': val})
        application.append(element)

    tree.write(manifest, encoding)


def read_all_res(res_file, res_list):
    """
    读取资源文件
    """
    tree = ET.parse(res_file)
    root = tree.getroot()
    if sys.version_info < (3, 9):
        res_list += root.getchildren()
    else:
        res_list += list(root)
    return res_list


def remove_id_from_public(pub_file, remove_list):
    """
    删除重复的资源
    """
    tree = ET.parse(pub_file)
    root = tree.getroot()

    same = False
    for node in root.getchildren():
        if containPublic(node, remove_list):
            print('delete public node : type is %s, name is %s' % (node.attrib['type'], node.attrib['name']))
            root.remove(node)
            same = True
    if same:
        tree.write(pub_file, encoding)


def remove_same_res2(res_file, res_list, remove_list):
    """
    删除重复的资源
    """
    tree = ET.parse(res_file)
    root = tree.getroot()

    same = False
    for node in root.getchildren():
        if containRes(node, res_list):
            # print('delete node : tag is %s, name is %s' % (node.tag, node.attrib['name']))
            root.remove(node)
            remove_list.append(node)
            same = True

    if same:
        tree.write(res_file, encoding)
    return remove_list


def remove_same_values_res(res_file, res_list):
    """
    删除重复的资源
    """
    tree = ET.parse(res_file)
    root = tree.getroot()
    same = False
    if sys.version_info < (3, 9):
        children_dict = root.getchildren()
    else:
        children_dict = list(root)
    for node in children_dict:
        if containRes(node, res_list):
            # print('delete node : tag is %s, name is %s' % (node.tag, node.attrib['name']))
            root.remove(node)
            same = True

    if same:
        tree.write(res_file, encoding)


def containRes(node, res_list):
    """
    是否重复
    """
    for item in res_list:
        if item.tag == node.tag and item.attrib['name'] == node.attrib['name']:
            return True

    return False


def containPublic(node, remove_list):
    """
    是否重复
    """
    for item in remove_list:
        if item.tag == node.attrib['type'] and item.attrib['name'] == node.attrib['name']:
            return True

    return False


def remove_root_attr(manifest, attr_type):
    for key in namespaces:
        ET.register_namespace(key, namespaces[key])

    tree = ET.parse(manifest)
    root = tree.getroot()

    attrName = get_namespaces_format('android:%s' % attr_type, namespaces)
    if attrName in root.attrib:
        del root.attrib[attrName]
        tree.write(manifest, encoding)

    return 0


def delete_activity_by_name(manifest, activity_name):
    """
    删除activity
    """
    attrName = get_namespaces_format('android:name', namespaces)
    for key in namespaces:
        ET.register_namespace(key, namespaces[key])

    targetTree = ET.parse(manifest)
    targetRoot = targetTree.getroot()
    appNode = targetRoot.find('application')
    activitys = appNode.findall('activity')
    for activity in activitys:
        if activity.attrib[attrName] == activity_name:
            print('delete ------------------> ' + activity_name)
            appNode.remove(activity)
            targetTree.write(manifest, encoding)
            break


def get_activity_by_name(root, activity_name):
    """
    获取activity
    """
    attrName = get_namespaces_format('android:name', namespaces)

    for node in root.findall('application/activity'):
        print('activity name = ' + node.attrib[attrName])
        if node.attrib[attrName] == activity_name:
            return node
    return None


def formatXml(manifest):  # elemnt为传进来的Elment类，参数indent用于缩进，newline用于换行
    indent = '\t'
    newline = '\n'

    tree = ET.parse(manifest)
    root = tree.getroot()  # 得到根元素，Element类
    prettyXml(root, indent, newline, level=0)  # 对子元素进行递归操作

    ET.dump(root)
    return 0


def prettyXml(element, indent, newline, level=0):  # elemnt为传进来的Elment类，参数indent用于缩进，newline用于换行
    if element:  # 判断element是否有子元素
        if element.text == None or element.text.isspace():  # 如果element的text没有内容
            element.text = newline + indent * (level + 1)
        else:
            element.text = newline + indent * (level + 1) + element.text.strip() + newline + indent * (level + 1)
    # else:  # 此处两行如果把注释去掉，Element的text也会另起一行
    # element.text = newline + indent * (level + 1) + element.text.strip() + newline + indent * level
    temp = list(element)  # 将elemnt转成list
    for subelement in temp:
        if temp.index(subelement) < (len(temp) - 1):  # 如果不是list的最后一个元素，说明下一个行是同级别元素的起始，缩进应一致
            subelement.tail = newline + indent * (level + 1)
        else:  # 如果是list的最后一个元素， 说明下一行是母元素的结束，缩进应该少一个
            subelement.tail = newline + indent * level
        prettyXml(subelement, indent, newline, level=level + 1)  # 对子元素进行递归操作