from datetime import datetime, timezone

from fastapi.logger import logger
from sqlalchemy import and_

from shared.enums import GENDER_LIST, MEMBER_SOURCE_LIST
from shared.constants import PAGE_SIZE
from modules.member.schemas import MemberForm, MemberStatusForm
from modules.member.models import Member
from modules.member.models import MemberLevel
from core.database import get_db_session
from core import R
from core import password
from utils.rich_text import get_file_url, save_file
from utils.request import like_contains
from core.security import get_user_id


# 查询会员分页数据

def get_member_page(request):
    db = get_db_session()
    # 页码
    page = int(request.query_params.get("pageNo", 1))
    # 每页数
    limit = int(request.query_params.get("pageSize", PAGE_SIZE))
    # 实例化查询对象
    query = db.query(Member).filter(Member.is_delete == 0)
    # 会员账号
    username = request.query_params.get('username')
    if username:
        query = query.filter(Member.username == username)
    # 注册来源：1-网站注册 2-客户端注册 3-小程序注册 4-手机站注册 5-后台添加
    source = request.query_params.get('source')
    if source:
        query = query.filter(Member.source == source)
    # 性别
    gender = request.query_params.get('gender')
    if gender:
        query = query.filter(Member.gender == gender)
    # 会员状态
    status = request.query_params.get('status')
    if status:
        query = query.filter(Member.status == status)
    # 排序
    query = query.order_by(Member.id.desc())
    # 记录总数
    count = query.count()
    # 分页查询
    member_list = query.limit(limit).offset((page - 1) * limit).all()
    # 若当前页超出末页（数据被并发删除），自动回退到第一页
    if page > 1 and not member_list:
        page = 1
        count = query.count()
        member_list = query.limit(limit).offset(0).all()
    # 实例化结果
    result = []
    # 遍历数据源
    if len(member_list) > 0:
        # 仅查询当前页用到的会员等级ID
        level_ids = {item.member_level for item in member_list if item.member_level}
        member_level_list = {}
        if level_ids:
            for ml in db.query(MemberLevel).filter(MemberLevel.id.in_(level_ids), MemberLevel.is_delete == 0).all():
                member_level_list[ml.id] = ml.name

        # 遍历会员数据源
        for item in member_list:
            # 对象转字典
            data = item.to_dict()
            # 性别
            data['gender_name'] = GENDER_LIST.get(item.gender)
            # 头像
            data['avatar'] = get_file_url(item.avatar) if item.avatar else ""
            # 会员等级描述
            data['member_level_name'] = member_level_list.get(item.member_level) if member_level_list else ""
            # 会员来源描述
            data['source_name'] = MEMBER_SOURCE_LIST.get(item.source)
            # 加入列表
            result.append(data)
    # 返回结果
    return R.ok(data=result, count=count)
# 根据ID查看会员详情

def get_member_detail(member_id):
    db = get_db_session()
    # 根据ID查询会员
    member = db.query(Member).filter(and_(Member.id == member_id, Member.is_delete == 0)).first()
    # 查询结果判空
    if not member:
        return None

    # 城市编码
    cityList = []
    # 省份编号
    cityList.append(member.province_code)
    # 城市编码
    cityList.append(member.city_code)
    # 县区编码
    cityList.append(member.district_code)

    # 对象转字典
    data = member.to_dict()
    # 头像
    data['avatar'] = get_file_url(member.avatar) if member.avatar else ""
    # 行政区划
    data['city'] = cityList
    # 返回结果
    return data
# 添加会员

def add_member(request, data: MemberForm):
    db = get_db_session()
    # 唯一性校验
    if db.query(Member).filter(and_(Member.username == data.username, Member.is_delete == 0)).first():
        return R.failed("登录账号不能重复")
    # 获取表单数据
    form_data = data.model_dump(exclude={'id'})

    # 图片处理
    avatar = form_data.get('avatar')
    if avatar:
        form_data['avatar'] = save_file(avatar, "member")

    # 密码加密
    pwd = form_data.get('password')
    if pwd:
        salt = password.generate_salt()
        form_data['password'] = password.encrypt_password(pwd, salt)
        form_data['salt'] = salt

    # 行政区划处理
    citys = form_data.get('city')
    # 从表单中移除行政区划
    del form_data['city']
    if citys and len(citys) == 3:
        # 省份编码
        form_data['province_code'] = citys[0]
        # 城市编码
        form_data['city_code'] = citys[1]
        # 县区编码
        form_data['district_code'] = citys[2]

    # 表单数据赋值给对象
    member = Member(**form_data)
    member.create_user = get_user_id(request)
    # 插入数据
    member.save()

    # 返回结果
    return R.ok(msg="添加成功")


# 更新会员

def update_member(request, data: MemberForm):
    db = get_db_session()
    # 记录ID判空
    if not data.id or data.id <= 0:
        return R.failed("记录ID不能为空")
    # 唯一性校验（排除自身）
    if db.query(Member).filter(and_(Member.username == data.username, Member.id != data.id, Member.is_delete == 0)).first():
        return R.failed("登录账号不能重复")

    # 根据ID查询记录
    user = db.query(Member).filter(and_(Member.id == data.id, Member.is_delete == 0)).first()
    # 查询结果判空
    if not user:
        return R.failed("记录不存在")

    # 获取表单数据（排除密码字段，避免None覆盖原值）
    form_data = data.model_dump(exclude={'id', 'password'})

    # 图片处理
    avatar = form_data.get('avatar')
    if avatar:
        form_data['avatar'] = save_file(avatar, "member")

    # 密码加密：仅传入新密码时才更新
    pwd = data.password
    if pwd:
        salt = password.generate_salt()
        form_data['password'] = password.encrypt_password(pwd, salt)
        form_data['salt'] = salt

    # 行政区划处理
    citys = form_data.get('city')
    # 从表单中移除行政区划
    del form_data['city']
    if citys and len(citys) == 3:
        # 省份编码
        form_data['province_code'] = citys[0]
        # 城市编码
        form_data['city_code'] = citys[1]
        # 县区编码
        form_data['district_code'] = citys[2]

    form_data['update_user'] = get_user_id(request)
    form_data['update_time'] = datetime.now(tz=timezone.utc)
    # 更新数据
    result = db.query(Member).filter_by(id=data.id).update(form_data)
    # 提交数据
    if not result:
        return R.failed("更新失败")
    # 返回结果
    return R.ok(msg="更新成功")
# 删除会员

def delete_member(member_id):
    return Member.batch_delete_r(member_id)
# 设置状态

def update_member_status(request, data: MemberStatusForm):
    db = get_db_session()
    # 根据ID查询记录
    user = db.query(Member).filter(and_(Member.id == data.id, Member.is_delete == 0)).first()
    # 查询结果判空
    if not user:
        return R.failed("记录不存在")

    # 更新记录
    result = db.query(Member).filter_by(id=data.id).update({
        "status": data.status,
        "update_user": get_user_id(request),
        "update_time": datetime.now(tz=timezone.utc)
    })
    # 提交数据
    if not result:
        return R.failed("设置失败")
    # 返回结果
    return R.ok(msg="设置成功")


from datetime import datetime, timezone

from fastapi.logger import logger
from sqlalchemy import and_

from shared.constants import PAGE_SIZE
from modules.member.schemas import MemberLevelForm
from modules.member.models import MemberLevel
from core.database import get_db_session
from core import R
from core.security import get_user_id
from utils.request import like_contains


# 查询会员登记分页数据

def get_member_level_page(request):
    db = get_db_session()
    # 页码
    page = int(request.query_params.get("pageNo", 1))
    # 每页数
    limit = int(request.query_params.get("pageSize", PAGE_SIZE))
    # 实例化查询对象
    query = db.query(MemberLevel).filter(MemberLevel.is_delete == 0)
    # 会员等级名称
    name = request.query_params.get('name')
    if name:
        query = query.filter(MemberLevel.name.like(like_contains(name), escape='\\'))
    # 排序
    query = query.order_by(MemberLevel.sort.asc())
    # 记录总数
    count = query.count()
    # 分页查询
    member_level_list = query.limit(limit).offset((page - 1) * limit).all()
    # 若当前页超出末页（数据被并发删除），自动回退到第一页
    if page > 1 and not member_level_list:
        page = 1
        count = query.count()
        member_level_list = query.limit(limit).offset(0).all()
    # 实例化结果
    result = []
    # 遍历数据源
    if len(member_level_list) > 0:
        for item in member_level_list:
            # 对象转字典
            data = item.to_dict()
            # 加入列表
            result.append(data)
    # 返回结果
    return R.ok(data=result, count=count)
# 根据会员等级ID查询详情

def get_member_level_detail(member_level_id):
    db = get_db_session()
    # 根据ID查询会员等级
    member_level = db.query(MemberLevel).filter(
        and_(MemberLevel.id == member_level_id, MemberLevel.is_delete == 0)).first()
    # 查询结果判空
    if not member_level:
        return None
    # 对象转字典
    data = member_level.to_dict()
    # 返回结果
    return data
# 添加会员等级

def add_member_level(request, data: MemberLevelForm):
    db = get_db_session()
    # 唯一性校验
    if db.query(MemberLevel).filter(and_(MemberLevel.name == data.name, MemberLevel.is_delete == 0)).first():
        return R.failed("会员等级名称不能重复")
    # 表单数据赋值给对象
    member_level = MemberLevel(**data.model_dump(exclude={'id'}))
    member_level.create_user = get_user_id(request)
    # 插入数据
    member_level.save()
    # 返回结果
    return R.ok(msg="添加成功")


# 更新会员等级

def update_member_level(request, data: MemberLevelForm):
    db = get_db_session()
    # 记录ID判空
    if not data.id or data.id <= 0:
        return R.failed("记录ID不能为空")
    # 唯一性校验（排除自身）
    if db.query(MemberLevel).filter(and_(MemberLevel.name == data.name, MemberLevel.id != data.id, MemberLevel.is_delete == 0)).first():
        return R.failed("会员等级名称不能重复")

    # 根据ID查询记录
    member_level = db.query(MemberLevel).filter(and_(MemberLevel.id == data.id, MemberLevel.is_delete == 0)).first()
    # 查询结果判空
    if not member_level:
        return R.failed("记录不存在")
    # 构造更新数据（排除 id）
    updData = data.model_dump(exclude={'id'})
    updData['update_user'] = get_user_id(request)
    updData['update_time'] = datetime.now(tz=timezone.utc)
    result = db.query(MemberLevel).filter_by(id=data.id).update(updData)
    # 提交数据
    if not result:
        return R.failed("更新失败")
    # 返回结果
    return R.ok(msg="更新成功")
# 删除会员等级

def delete_member_level(member_level_id):
    return MemberLevel.batch_delete_r(member_level_id)
# 获取会员等级列表

def get_member_level_list():
    db = get_db_session()
    member_level_list = db.query(MemberLevel).filter(MemberLevel.is_delete == 0).order_by(MemberLevel.sort.asc()).all()
    # 实例化对象
    result = []
    # 遍历数据源
    for v in member_level_list:
        # 对象转字典
        item = v.to_dict()
        # 加入列表
        result.append(item)
    # 返回结果
    return result