import datetime
import json
import modulefinder

from rest_framework import serializers


class QxzTypeConfigAddSerializer(serializers.Serializer):
    eNum = serializers.CharField(help_text="要素编号", required=True, max_length=10)
    cName = serializers.CharField(help_text="中文名称", required=True, max_length=64)
    units = serializers.CharField(help_text="要素单位", required=True, max_length=64)

    def validate_eNum(self, value):
        try:
            eNum = int(value)
            if eNum < 0:
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("编号必须是大于0的有效整数")
        return str(value)

    def validate_cName(self, value):
        try:
            value = value.strip()
            if len(value) > 10:
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("要素类型名称必须在10个字符以内")
        return value


class QxzTypeConfigDeleteSerializer(serializers.Serializer):
    qsc_id = serializers.IntegerField(help_text="要素类型配置id", required=True)

    def validate_qsc_id(self, value):
        try:
            value = int(value)
            if value < 0:
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("要素类型配置id必须是大于0的有效整数")
        return value


class QxzTypeConfigModifySerializer(serializers.Serializer):
    cName = serializers.CharField(help_text="中文名称", required=True, max_length=64)
    units = serializers.CharField(help_text="要素单位", required=True, max_length=64)
    qsc_id = serializers.IntegerField(help_text="要素类型配置id", required=True)

    def validate_qsc_id(self, value):
        try:
            value = int(value)
            if value < 0:
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("要素类型配置id必须是大于0的有效整数")
        return value

    def validate_cName(self, value):
        try:
            value = value.strip()
            if len(value) > 10:
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("要素类型名称必须在10个字符以内")
        return value


class QxzTypeConfigListSerializer(serializers.Serializer):
    cName = serializers.CharField(help_text="中文名称", required=False, max_length=64, allow_null=True, allow_blank=True)
    is_default = serializers.BooleanField(help_text="是否默认要素类型", required=False, allow_null=True, default=None)

    def to_representation(self, instance):
        return {
            'qsc_id': instance.id,
            'cName': instance.cName,
            'units': instance.units,
            'eNum': instance.eNum,
            'is_default': instance.is_default
        }


class QxzElementAddSerializer(serializers.Serializer):
    cName = serializers.CharField(help_text="中文名称", required=False, max_length=64)
    eName = serializers.CharField(help_text="英文名称", required=False, max_length=64)
    eNum = serializers.CharField(help_text="要素编号", required=True, max_length=10)
    units = serializers.CharField(help_text="要素单位", required=True, max_length=64)
    is_standard = serializers.BooleanField(help_text="是否标配", required=True)
    sensor_addr = serializers.IntegerField(help_text="从机地址", required=True)
    start_reg = serializers.IntegerField(help_text="起始寄存器", required=True)
    count = serializers.IntegerField(help_text="读取数量", required=True)
    d_pos = serializers.IntegerField(help_text="有效数据位置", required=True)
    d_length = serializers.IntegerField(help_text="位宽", required=True)
    factor = serializers.IntegerField(help_text="系数", required=True)
    dotled_s = serializers.CharField(help_text="LED屏幕内容", required=True, max_length=256)

    def validate_cName(self, value):
        try:
            value = value.strip()
            if len(value) > 4:
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("中文名称必须在4个字符以内")
        return value

    def validate_eName(self, value):
        try:
            value = value.strip()
            if len(value) > 30:
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("英文名称必须在30个字符以内")
        return value

    def validate_eNum(self, value):
        try:
            eNum = int(value)
            if eNum < 0:
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("编号必须是大于0的有效整数")
        return str(value)

    def validate_sensor_addr(self, value):
        try:
            value = int(value)
            if not (1 <= value <= 254):
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("从机地址必须是1-254之间的有效整数")
        return value

    def validate_start_reg(self, value):
        try:
            value = int(value)
            if not (0 <= value <= 254):
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("起始寄存器必须是0-254之间的有效整数")
        return value

    def validate_count(self, value):
        try:
            value = int(value)
            if not (1 <= value <= 10):
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("读取数量必须是1-10之间的有效整数")
        return value

    def validate_d_pos(self, value):
        try:
            value = int(value)
            if not (0 <= value <= 10):
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("有效数据位置必须是0-10之间的有效整数")
        return value

    def validate_d_length(self, value):
        try:
            value = int(value)
            if not (1 <= value <= 2):
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("d_length必须是1-2之间的有效整数")
        return value

    def validate_factor(self, value):
        try:
            value = int(value)
            if value not in [1, 10, -10, -100]:
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("系数不符合要求")
        return value

    def validate_dotled_s(self, value):
        if len(value) > 256:
            raise serializers.ValidationError("LED屏幕内容过长")
        return value


class QxzElementModifySerializer(serializers.Serializer):
    qec_id = serializers.IntegerField(help_text="要素信息id", required=True)
    cName = serializers.CharField(help_text="中文名称", required=False, max_length=64)
    eName = serializers.CharField(help_text="英文名称", required=False, max_length=64)
    is_standard = serializers.BooleanField(help_text="是否标配", required=True)
    sensor_addr = serializers.IntegerField(help_text="从机地址", required=True)
    start_reg = serializers.IntegerField(help_text="起始寄存器", required=True)
    count = serializers.IntegerField(help_text="读取数量", required=True)
    d_pos = serializers.IntegerField(help_text="有效数据位置", required=True)
    d_length = serializers.IntegerField(help_text="位宽", required=True)
    factor = serializers.IntegerField(help_text="系数", required=True)
    dotled_s = serializers.CharField(help_text="LED屏幕内容", required=True, max_length=256)

    def validate_qec_id(self, value):
        try:
            value = int(value)
            if value < 0:
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("要素信息id必须大于0的整数")
        return value


    def validate_cName(self, value):
        try:
            value = value.strip()
            if len(value) > 4:
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("中文名称必须在4个字符以内")
        return value

    def validate_eName(self, value):
        try:
            value = value.strip()
            if len(value) > 30:
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("英文名称必须在30个字符以内")
        return value

    def validate_sensor_addr(self, value):
        try:
            value = int(value)
            if not (1 <= value <= 254):
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("从机地址必须是1-254之间的有效整数")
        return value

    def validate_start_reg(self, value):
        try:
            value = int(value)
            if not (0 <= value <= 254):
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("起始寄存器必须是0-254之间的有效整数")
        return value

    def validate_count(self, value):
        try:
            value = int(value)
            if not (1 <= value <= 10):
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("读取数量必须是1-10之间的有效整数")
        return value

    def validate_d_pos(self, value):
        try:
            value = int(value)
            if not (0 <= value <= 10):
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("有效数据位置必须是0-10之间的有效整数")
        return value

    def validate_d_length(self, value):
        try:
            value = int(value)
            if not (1 <= value <= 2):
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("d_length必须是1-2之间的有效整数")
        return value

    def validate_factor(self, value):
        try:
            value = int(value)
            if value not in [1, 10, -10, -100]:
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("系数不符合要求")
        return value

    def validate_dotled_s(self, value):
        if len(value) > 256:
            raise serializers.ValidationError("LED屏幕内容过长")
        return value


class QxzElementDeleteSerializer(serializers.Serializer):
    qec_id = serializers.IntegerField(help_text="要素信息id", required=True)

    def validate_qec_id(self, value):
        try:
            value = int(value)
            if value < 0:
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError("要素信息id必须大于0的整数")
        return value


class QxzElementListSerializer(serializers.Serializer):
    ele_name = serializers.CharField(help_text="要素名称", required=False, max_length=64, allow_blank=True, allow_null=True)
    is_standard = serializers.BooleanField(help_text="是否标配", required=False, allow_null=True, default=None)

    def to_representation(self, instance):
        return {
            'qec_id': instance.id,
            'cName': instance.cName,
            'eName': instance.eName,
            'units': instance.units,
            'eNum': instance.eNum,
            'is_standard': instance.is_standard,
            'sensor_addr': instance.sensor_addr,
            'start_reg': instance.start_reg,
            'count': instance.count,
            'd_pos': instance.d_pos,
            'd_length': instance.d_length,
            'factor': instance.factor,
            'dotled_s': instance.dotled_s
        }


class QxzDeviceAddSerializer(serializers.Serializer):
    device_id = serializers.CharField(help_text="设备编号", max_length=20, required=True)
    order_num = serializers.CharField(help_text="任务单号", max_length=20, required=True)
    device_type = serializers.CharField(help_text="设备类型", max_length=4, required=True)
    is_standard = serializers.BooleanField(help_text="是否标配", required=True)
    ele_cnf = serializers.JSONField(help_text="要素配置", required=True)
    led_cnf = serializers.JSONField(help_text="led配置", required=False, default=None, allow_null=True)

    def validate_device_type(self, value):
        try:
            value = value.strip()
            if value not in ['0', '1', '2']:
                raise Exception()
        except Exception as e:
            raise serializers.ValidationError('设备类型参数异常')
        return value

    def validate_ele_cnf(self, value):
        v = list(value.values())
        if len(v) != len(set(v)):
            raise serializers.ValidationError('英文名称不能重复')
        try:
            key_list = sorted(value.keys(), key=lambda x: int(x.replace('c', '')))
            for i, k in enumerate(key_list):
                t = int(k.replace('c', ''))
                if not (0 <= t <= 29):
                    raise serializers.ValidationError('要素序号必须在0-29之间')
                if i != t:
                    raise serializers.ValidationError('要素序号顺序必须连续')
        except Exception as e:
            raise serializers.ValidationError('要素序号参数异常')
        return value

    def validate_led_conf(self, value):
        if value:
            try:
                if value['Control_card'] not in [1, 2, 3]:
                    raise Exception()
                if value['front'] not in [12, 16]:
                    raise Exception()
                if not (1 <= value['keep_time'] <= 72):
                    raise Exception()
                if 0 <= value['Start_x'] <= 1024:
                    raise Exception()
                if 0 <= value['Start_y'] <= 1024:
                    raise Exception()
                if 1 <= value['Width'] <= 1024:
                    raise Exception()
                if 1 <= value['Height'] <= 1024:
                    raise Exception()
            except Exception as e:
                raise serializers.ValidationError('led参数异常')
        return value


class QxzDeviceListSerializer(serializers.Serializer):
    device_id = serializers.CharField(help_text="设备编号", max_length=20, required=False, allow_null=True, allow_blank=True)

    def to_representation(self, instance):

        return {
            'device_id': instance.device_id,
            'order_num': instance.order_num,
            'device_type': instance.device_type,
            'is_standard': instance.is_standard,
            'create_time': instance.create_time.strftime("%Y-%m-%d %H:%S:%M"),
            'ele_cnf': json.loads(instance.ele_cnf),
            'led_cnf': json.loads(instance.led_cnf),
            'ele_name': json.loads(instance.ele_name)
        }