# coding:utf-8

import ast

from django.db.models import Q
from django.template import RequestContext
from django.shortcuts import get_object_or_404

from jasset.asset_api import *
from jumpserver.api import *
from jasset.forms import AssetForm
from jasset.models import Asset, IDC, AssetGroup, ASSET_TYPE, ASSET_STATUS


@require_role('admin')
def group_add(request):
    """
    Add asset group
    添加资产组
    """
    header_title, path1, path2 = u'添加资产组', u'资产管理', u'添加资产组'
    asset_all = Asset.objects.all()

    if request.method == 'POST':
        name = request.POST.get('name', '')
        asset_select = request.POST.getlist('asset_select', [])
        comment = request.POST.get('comment', '')

        try:
            if not name:
                error = u'组名不能为空'
                raise ServerError(error)

            asset_group_test = get_object(AssetGroup, name=name)
            if asset_group_test:
                error = u"该组名 %s 已存在" % name
                raise ServerError(error)

        except ServerError:
            pass

        else:
            db_add_group(name=name, comment=comment, asset_select=asset_select)
            smg = u"主机组 %s 添加成功" % name

    return my_render('jasset/group_add.html', locals(), request)


@require_role('admin')
def group_edit(request):
    """
    Edit asset group
    编辑资产组
    """
    header_title, path1, path2 = u'编辑主机组', u'资产管理', u'编辑主机组'
    group_id = request.GET.get('id', '')
    group = get_object(AssetGroup, id=group_id)

    asset_all = Asset.objects.all()
    asset_select = Asset.objects.filter(group=group)
    asset_no_select = [a for a in asset_all if a not in asset_select]

    if request.method == 'POST':
        name = request.POST.get('name', '')
        asset_select = request.POST.getlist('asset_select', [])
        comment = request.POST.get('comment', '')

        try:
            if not name:
                emg = u'组名不能为空'
                raise ServerError(emg)

            if group.name != name:
                asset_group_test = get_object(AssetGroup, name=name)
                if asset_group_test:
                    emg = u"该组名 %s 已存在" % name
                    raise ServerError(emg)

        except ServerError:
            pass

        else:
            group.asset_set.clear()
            db_update_group(id=group_id, name=name, comment=comment, asset_select=asset_select)
            smg = u"主机组 %s 添加成功" % name

        return HttpResponseRedirect('/jasset/group_list')

    return my_render('jasset/group_edit.html', locals(), request)


@require_role('admin')
def group_detail(request):
    """ 主机组详情 """
    header_title, path1, path2 = u'主机组详情', u'资产管理', u'主机组详情'
    group_id = request.GET.get('id', '')
    group = get_object(AssetGroup, id=group_id)
    asset_all = Asset.objects.filter(group=group).order_by('ip')

    contact_list, p, contacts, page_range, current_page, show_first, show_end = pages(asset_all, request)
    return my_render('jasset/group_detail.html', locals(), request)


@require_role('admin')
def group_list(request):
    """
    list asset group
    列出资产组
    """
    header_title, path1, path2 = u'查看资产组', u'资产管理', u'查看资产组'
    keyword = request.GET.get('keyword', '')
    gid = request.GET.get('gid')
    sid = request.GET.get('sid')
    asset_group_list = AssetGroup.objects.all()

    if keyword:
        asset_group_list = asset_group_list.filter(Q(name__contains=keyword) | Q(comment__contains=keyword))

    asset_group_list, p, asset_groups, page_range, current_page, show_first, show_end = pages(asset_group_list, request)
    return my_render('jasset/group_list.html', locals(), request)


@require_role('admin')
def group_del(request):
    """
    del asset group
    删除主机组
    """
    group_ids = request.GET.get('id', '')
    group_id_list = group_ids.split(',')

    for group_id in group_id_list:
        AssetGroup.objects.filter(id=group_id).delete()

    return HttpResponse(u'删除成功')


@require_role('admin')
def asset_add(request):
    """
    Asset add view
    添加资产
    """
    header_title, path1, path2 = u'添加资产', u'资产管理', u'添加资产'
    asset_group_all = AssetGroup.objects.all()
    af = AssetForm()
    if request.method == 'POST':
        af_post = AssetForm(request.POST)
        print af_post
        ip = request.POST.get('ip', '')
        is_active = True if request.POST.get('is_active') == '1' else False
        use_default_auth = request.POST.get('use_default_auth', '')
        try:
            if Asset.objects.filter(ip=str(ip)):
                error = u'该IP %s 已存在!' % ip
                raise ServerError(error)

        except ServerError:
            pass

        else:
            if af_post.is_valid():
                asset_save = af_post.save(commit=False)
                if not use_default_auth:
                    password = request.POST.get('password', '')
                    password_encode = CRYPTOR.encrypt(password)
                    asset_save.password = password_encode
                asset_save.is_active = True if is_active else False
                asset_save.save()
                af_post.save_m2m()

                msg = u'主机 %s 添加成功' % ip
            else:
                esg = u'主机 %s 添加失败' % ip

    return my_render('jasset/asset_add.html', locals(), request)


@require_role('admin')
def asset_del(request):
    """
    del a asset
    删除主机
    """
    asset_id = request.GET.get('id', '')
    if asset_id:
        Asset.objects.filter(id=asset_id).delete()

    if request.method == 'POST':
        asset_batch = request.GET.get('arg', '')
        asset_id_all = str(request.POST.get('asset_id_all', ''))

        if asset_batch:
            for asset_id in asset_id_all.split(','):
                asset = get_object(Asset, id=asset_id)
                asset.delete()

    return HttpResponse(u'删除成功')


@require_role(role='super')
def asset_edit(request):
    """
    edit a asset
    修改主机
    """
    header_title, path1, path2 = u'修改资产', u'资产管理', u'修改资产'

    asset_id = request.GET.get('id', '')
    username = request.session.get('username', 'admin')
    # if not asset_id:
    #     return HttpResponse('没有该主机')
    asset = get_object(Asset, id=asset_id)
    af = AssetForm(instance=asset)
    if request.method == 'POST':
        af_post = AssetForm(request.POST, instance=asset)
        ip = request.POST.get('ip', '')

        # ip = request.POST.get('ip')
        # port = request.POST.get('port')
        # groups = request.POST.getlist('groups')
        # use_default_auth = True if request.POST.getlist('use_default_auth', []) else False
        # is_active = True if request.POST.get('is_active') else False
        # comment = request.POST.get('comment')

        # if not use_default_auth:
        # username = request.POST.get('username')
        # password = request.POST.get('password')
        #     if password == asset.password:
        #         password_encode = password
        #     else:
        #         password_encode = CRYPTOR.encrypt(password)
        # else:
        #     username = None
        #     password_encode = None

        try:
            asset_test = get_object(Asset, ip=ip)
            if asset_test and asset_id != unicode(asset_test.id):
                error = u'该IP %s 已存在!' % ip
                raise ServerError(error)
        except ServerError:
            pass
        else:
            if af_post.is_valid():
                af_save = af_post.save(commit=False)
                af_save.save()
                af_post.save_m2m()
                info = asset_diff(af_post.__dict__.get('initial'), request.POST)
                print info
                db_asset_alert(asset, username, info)

                msg = u'主机 %s 修改成功' % ip
            else:
                emg = u'主机 %s 修改失败' % ip
            return HttpResponseRedirect('/jasset/asset_detail/?id=%s' % asset_id)

    return my_render('jasset/asset_edit.html', locals(), request)


@require_role('user')
def asset_list(request):
    """
    asset list view
    """
    idc_all = IDC.objects.filter()
    asset_group_all = AssetGroup.objects.all()
    asset_types = ASSET_TYPE
    asset_status = ASSET_STATUS

    idc_name = request.GET.get('idc', '')
    group_name = request.GET.get('group', '')
    asset_type = request.GET.get('asset_type', '')
    status = request.GET.get('status', '')
    keyword = request.GET.get('keyword', '')
    export = request.GET.get("export", False)

    asset_find = Asset.objects.all()
    if idc_name:
        asset_find = asset_find.filter(idc__name__contains=idc_name)

    if group_name:
        asset_find = asset_find.filter(group__name__contains=group_name)

    if asset_type:
        asset_find = asset_find.filter(asset_type__contains=asset_type)

    if status:
        asset_find = asset_find.filter(status__contains=status)

    if keyword:
        asset_find = asset_find.filter(
            Q(hostname__contains=keyword) |
            Q(other_ip__contains=keyword) |
            Q(ip__contains=keyword) |
            Q(remote_ip__contains=keyword) |
            Q(comment__contains=keyword) |
            Q(group__name__contains=keyword) |
            Q(cpu__contains=keyword) |
            Q(memory__contains=keyword) |
            Q(disk__contains=keyword))

    if export:
        s = write_excel(asset_find)
        if s[0]:
            file_name = s[1]
        smg = 'excel文件已生成，请点击下载!'
        return my_render('jasset/asset_excel_download.html', locals(), request)
    assets_list, p, assets, page_range, current_page, show_first, show_end = pages(asset_find, request)
    return my_render('jasset/asset_list.html', locals(), request)


@require_role('admin')
def asset_edit_batch(request):
    af = AssetForm()
    asset_group_all = AssetGroup.objects.all()
    return my_render('jasset/asset_edit_batch.html', locals(), request)


@require_role('admin')
def asset_detail(request):
    """
    主机详情
    """
    header_title, path1, path2 = u'主机详细信息', u'资产管理', u'主机详情'
    asset_id = request.GET.get('id', '')
    asset = get_object(Asset, id=asset_id)
    asset_record = AssetRecord.objects.filter(asset=asset).order_by('-alert_time')

    return my_render('jasset/asset_detail.html', locals(), request)