from rest_framework import serializers
from .models import ListModel, TypeListModel, Role, Permission
from utils import datasolve

class StaffGetSerializer(serializers.ModelSerializer):
    staff_name = serializers.CharField(read_only=True, required=False)
    staff_type = serializers.CharField(read_only=True, required=False)
    check_code = serializers.IntegerField(read_only=True, required=False)
    create_time = serializers.DateTimeField(read_only=True, format='%Y-%m-%d %H:%M:%S')
    update_time = serializers.DateTimeField(read_only=True, format='%Y-%m-%d %H:%M:%S')

    class Meta:
        model = ListModel
        exclude = ['openid', 'is_delete', ]
        read_only_fields = ['id', ]

class StaffPostSerializer(serializers.ModelSerializer):
    openid = serializers.CharField(read_only=False, required=False, validators=[datasolve.openid_validate])
    staff_name = serializers.CharField(read_only=False, required=True, validators=[datasolve.data_validate])
    staff_type = serializers.CharField(read_only=False, required=True, validators=[datasolve.data_validate])
    check_code = serializers.IntegerField(read_only=False, required=True, validators=[datasolve.data_validate])
    class Meta:
        model = ListModel
        exclude = ['is_delete', ]
        read_only_fields = ['id', 'create_time', 'update_time', ]

class StaffUpdateSerializer(serializers.ModelSerializer):
    staff_name = serializers.CharField(read_only=False, required=True, validators=[datasolve.data_validate])
    staff_type = serializers.CharField(read_only=False, required=True, validators=[datasolve.data_validate])
   
    class Meta:
        model = ListModel
        exclude = ['openid', 'is_delete', ]
        read_only_fields = ['id', 'create_time', 'update_time', 'appid']

class StaffPartialUpdateSerializer(serializers.ModelSerializer):
    staff_name = serializers.CharField(read_only=False, required=False, validators=[datasolve.data_validate])
    staff_type = serializers.CharField(read_only=False, required=False, validators=[datasolve.data_validate])
    class Meta:
        model = ListModel
        exclude = ['openid', 'is_delete', ]
        read_only_fields = ['id', 'create_time', 'update_time', ]

class FileRenderSerializer(serializers.ModelSerializer):
    staff_name = serializers.CharField(read_only=False, required=False)
    staff_type = serializers.CharField(read_only=False, required=False)
    create_time = serializers.DateTimeField(read_only=True, format='%Y-%m-%d %H:%M:%S')
    update_time = serializers.DateTimeField(read_only=True, format='%Y-%m-%d %H:%M:%S')

    class Meta:
        model = ListModel
        ref_name = 'StaffFileRenderSerializer'
        exclude = ['openid', 'is_delete', ]

class StaffTypeGetSerializer(serializers.ModelSerializer):
    staff_type = serializers.CharField(read_only=True, required=False)
    creater = serializers.CharField(read_only=True, required=False)
    create_time = serializers.DateTimeField(read_only=True, format='%Y-%m-%d %H:%M:%S')
    update_time = serializers.DateTimeField(read_only=True, format='%Y-%m-%d %H:%M:%S')
    class Meta:
        model = TypeListModel
        exclude = ['openid']
        read_only_fields = ['id', ]


class userStaffGetSerializer(serializers.ModelSerializer):
    staff_name = serializers.CharField(read_only=True, required=False)
    staff_type = serializers.CharField(read_only=True, required=False)
    create_time = serializers.DateTimeField(read_only=True, format='%Y-%m-%d %H:%M:%S')
    update_time = serializers.DateTimeField(read_only=True, format='%Y-%m-%d %H:%M:%S')

    class Meta:
        model = ListModel
        exclude = ['openid', 'is_delete',  'check_code', ]
        read_only_fields = ['id', ]

class userStaffPostSerializer(serializers.ModelSerializer):
    openid = serializers.CharField(read_only=False, required=False, validators=[datasolve.openid_validate])
    staff_name = serializers.CharField(read_only=False, required=True, validators=[datasolve.data_validate])
    staff_type = serializers.CharField(read_only=False, required=True, validators=[datasolve.data_validate])
    check_code = serializers.IntegerField(read_only=False, required=True, validators=[datasolve.data_validate])
    class Meta:
        model = ListModel
        exclude = ['is_delete', ]
        read_only_fields = ['id', 'create_time', 'update_time', ]

class userStaffUpdateSerializer(serializers.ModelSerializer):
    staff_name = serializers.CharField(read_only=False, required=True, validators=[datasolve.data_validate])
    staff_type = serializers.CharField(read_only=False, required=True, validators=[datasolve.data_validate])
    class Meta:
        model = ListModel
        exclude = ['openid', 'is_delete', ]
        read_only_fields = ['id', 'create_time', 'update_time','appid' ]

class userStaffPartialUpdateSerializer(serializers.ModelSerializer):
    staff_name = serializers.CharField(read_only=False, required=False, validators=[datasolve.data_validate])
    staff_type = serializers.CharField(read_only=False, required=False, validators=[datasolve.data_validate])
    class Meta:
        model = ListModel
        exclude = ['openid', 'is_delete', ]
        read_only_fields = ['id', 'create_time', 'update_time', ]

class userFileRenderSerializer(serializers.ModelSerializer):
    staff_name = serializers.CharField(read_only=False, required=False)
    staff_type = serializers.CharField(read_only=False, required=False)
    create_time = serializers.DateTimeField(read_only=True, format='%Y-%m-%d %H:%M:%S')
    update_time = serializers.DateTimeField(read_only=True, format='%Y-%m-%d %H:%M:%S')

    class Meta:
        model = ListModel
        ref_name = 'StaffFileRenderSerializer'
        exclude = ['openid', 'is_delete', ]

class userStaffTypeGetSerializer(serializers.ModelSerializer):
    staff_type = serializers.CharField(read_only=True, required=False)
    creater = serializers.CharField(read_only=True, required=False)
    create_time = serializers.DateTimeField(read_only=True, format='%Y-%m-%d %H:%M:%S')
    update_time = serializers.DateTimeField(read_only=True, format='%Y-%m-%d %H:%M:%S')
    class Meta:
        model = TypeListModel
        exclude = ['openid']
        read_only_fields = ['id', ]

class RolePOSTSerializer(serializers.ModelSerializer):
    name = serializers.CharField(read_only=False, required=True, validators=[datasolve.data_validate])
    description = serializers.CharField(read_only=False, required=False, allow_blank=True)
    permissions = serializers.PrimaryKeyRelatedField(
        many=True,
        queryset=Permission.objects.all(),
        required=False
    )
    
    class Meta:
        model = Role
        fields = ['id', 'name', 'description', 'permissions']
        read_only_fields = ['id', ]


class RoleGETSerializer(serializers.ModelSerializer):
    permissions_group = serializers.SerializerMethodField()
    
    class Meta:
        model = Role
        fields = ['id', 'name', 'description', 'permissions_group']
    
    def get_permissions_group(self, obj):
        # 获取角色关联的所有权限并预取数据
        permissions = obj.permissions.all().order_by('page', 'component')
        
        # 按page字段分组
        grouped = {}
        for perm in permissions:
            page = perm.page
            if page not in grouped:
                grouped[page] = []
            # 使用PermissionSerializer序列化每个权限对象
            serializer = PermissionSerializer(perm)
            grouped[page].append(serializer.data)
        
        # 转换为前端需要的格式
        return [{"page": page, "permissions": perms} for page, perms in grouped.items()]

# 只返回page，不需要返回componet等详细信息
class RolePageGETSerializer(serializers.ModelSerializer):
    permissions_group = serializers.SerializerMethodField()
    
    class Meta:
        model = Role
        fields = ['id', 'name', 'description', 'permissions_group']
    
    def get_permissions_group(self, obj):
        # 获取角色关联的所有权限并预取数据
        permissions = obj.permissions.all().order_by('primary_page','page', 'component')
        
        # 按page字段分组，只处理component为null的权限
        page_access = {}
        for perm in permissions:
            # 只处理页面访问权限（component为null）
            if perm.component is None:
                page_access[perm.primary_page] = perm.enabled
        
        # 转换为前端需要的格式
        return [{"page": page, "enabled": enabled} for page, enabled in page_access.items()]


class RoleSerializer(serializers.ModelSerializer):
    class Meta:
        model = Role
        fields = '__all__'

class PermissionSerializer(serializers.ModelSerializer):
    class Meta:
        model = Permission
        fields = '__all__'