import json
import urllib
import base64

from odoo import api, fields, models, tools
import logging


_logger = logging.getLogger(__name__)


class AttendanceIotUser(models.Model):
    _name = 'attendance.iot.user'

    attendance_iot_id = fields.Many2one('attendance.iot', string="设备号")
    attendance_address = fields.Char(related='attendance_iot_id.attendance_address', string="设备地址")
    employee_id = fields.Many2one('hr.employee', string="员工")
    company_id = fields.Many2one(related='employee_id.company_id', string="公司")
    id_valid = fields.Date(string="有效日期")
    # 从 employee_id 获取.
    image_1920 = fields.Image(related='employee_id.avatar_image', string="一寸照")
    department_id = fields.Many2one('hr.department', related='employee_id.department_id', string="部门", store=True)
    mobile_phone = fields.Char(related='employee_id.mobile_phone', string="电话")
    iot_user_id = fields.Char(string='设备上用户的编码')

    _sql_constraints = [('unique','UNIQUE(attendance_iot_id,employee_id)','一台设备不允许上传相同的员工信息')]

    @staticmethod
    def _build_face_template(employee):
        """从员工照片字段生成设备用的 face_template
        优先 avatar_image，其次 image_1920，压缩后返回 data:image/jpeg;base64, + URL编码
        """
        raw = employee.avatar_image or employee.image_1920
        if not raw:
            return None
        try:
            # 可能是 JPEG bytes，也可能是 base64 文本
            # 尝试 base64 解码来判断
            b64decode = base64.b64decode(raw)
            # 解码成功 → raw 是 base64 文本
            source_b64 = raw.decode('ascii')
        except Exception:
            # 解码失败 → raw 是 JPEG 二进制，需要编码
            source_b64 = base64.b64encode(raw).decode('ascii')
        return urllib.parse.quote(
            f"data:image/jpeg;base64,{source_b64}", encoding='utf-8')

    # def unlink(self):
    #     if not self._context.get('iot_sync'):
    #         # 下发删除信息
    #         iot_id = self[0].attendance_iot_id.name
    #         # 如果是主动下发的客户,则使用 employee_id.id 作为用户的编码
    #         self.env['iot.message'].create([{
    #             'name': '删除用户',
    #             'topic': f'iot/device/{iot_id}',
    #             'device_sn': iot_id,
    #             'message_data': json.dumps({
    #                 'cmd': 'delMultiUser',
    #                 'user_ids': [x.iot_user_id if x.iot_user_id else f'bd{x.employee_id.mobile_phone}' for x in self]
    #             }, ensure_ascii=False)
    #         }])
    #     return super(AttendanceIotUser, self).unlink()


    @api.model_create_multi
    def create(self, value_list):
        res = super(AttendanceIotUser, self).create(value_list)

        # 来自设备的同步,不要再写回设备
        if self._context.get('iot_sync'):
            return res
        for r in res:
            emp = r.employee_id
            add_value = {
                'cmd': 'addUser',
                'user_id': f'{emp.mobile_phone}',
                'name': emp.name,
                'phone': emp.mobile_phone or '',
                'id_card': emp.identification_id or '',
                'effect_time': emp.entry_date.strftime('%Y-%m-%d') if emp.entry_date else '',
                'id_valid': r.id_valid.strftime('%Y-%m-%d') if r.id_valid else '',
            }
            # face_template 单独放最后
            face_tpl = self._build_face_template(emp)
            if face_tpl:
                add_value['face_template'] = face_tpl
                _logger.info(f"addUser 携带 face_template")
            else:
                _logger.warning(f"addUser 未携带 face_template，员工无照片")
            self.env['iot.message'].create([{
                'name': '增加用户',
                'topic': f'iot/device/{r.attendance_iot_id.name}',
                'device_sn': r.attendance_iot_id.name,
                'message_data': json.dumps(add_value, ensure_ascii=False)
            }])

        return res

    def action_update_iot_info(self):
        if self._context.get('iot_sync'):
            return
        for record in self:
            emp = record.employee_id
            # 下发信息 - 完整传参
            update_value = {
                'cmd': 'editUser',
                'edit_mode': 1,
                'user_id': f'{emp.mobile_phone}',
                'name': emp.name,
                'phone': emp.mobile_phone or '',
                'id_card': emp.identification_id or '',
                'effect_time': emp.entry_date.strftime('%Y-%m-%d') if emp.entry_date else '',
                'id_valid': record.id_valid.strftime('%Y-%m-%d') if record.id_valid else '',
            }
            # face_template 单独放最后
            face_tpl = self._build_face_template(emp)
            if face_tpl:
                update_value['face_template'] = face_tpl
                _logger.info(f"editUser 携带 face_template")
            else:
                _logger.warning(f"editUser 未携带 face_template，员工无照片")
            _logger.info(f"action_update_iot_info--{update_value}")
            self.env['iot.message'].create([{
                'name': '修改用户信息',
                'topic': f'iot/device/{record.attendance_iot_id.name}',
                'device_sn': record.attendance_iot_id.name,
                'message_data': json.dumps(update_value, ensure_ascii=False)
            }])

    def action_batch_sync_to_all_devices(self):
        """
        批量同步：将勾选员工的人脸数据，推送到该员工关联的全部设备
        """
        if self._context.get('iot_sync'):
            return
        for record in self:
            employee = record.employee_id
            # 找到该员工在所有设备上的绑定记录
            all_bindings = self.search([('employee_id', '=', employee.id)])
            if all_bindings:
                # action_update_iot_info 内部会跳过 iot_sync 上下文
                all_bindings.with_context(iot_sync=False).action_update_iot_info()
        return {
            'type': 'ir.actions.client',
            'tag': 'display_notification',
            'params': {
                'title': '同步完成',
                'message': f'已向 {len(self)} 名员工关联的全部设备推送同步指令',
                'sticky': False,
                'type': 'success',
            }
        }