# serializers.py in Osina app
from rest_framework import serializers
from osinacore.models import *


class BusinessTypeSerializer(serializers.ModelSerializer):
    class Meta:
        model = BusinessType
        fields = "__all__"  

class StaffProfileSerializer(serializers.ModelSerializer):
    class Meta:
        model = StaffProfile
        fields = "__all__"  

class DepartmentSerializer(serializers.ModelSerializer):

    class Meta:
        model = Department
        fields = "__all__"  



class JobPositionSerializer(serializers.ModelSerializer):
    department = DepartmentSerializer()

    class Meta:
        model = JobPosition
        fields = "__all__"  


class UserSerializer(serializers.ModelSerializer):
    class Meta:
        model = User
        fields = "__all__"  

class CustomerProfileSerializer(serializers.ModelSerializer):
    user = UserSerializer()
    reference_name = serializers.CharField(source='reference.name', read_only=True)

    class Meta:
        model = CustomerProfile
        fields = "__all__"  

class StaffProfileSerializer(serializers.ModelSerializer):
    user = UserSerializer()

    class Meta:
        model = StaffProfile
        fields = "__all__"  



class ProjectTypeSerializer(serializers.ModelSerializer):


    class Meta:
        model = ProjectType
        fields = "__all__"  


class ProjectStatusSerializer(serializers.ModelSerializer):


    class Meta:
        model = ProjectStatus
        fields = "__all__"  

class ProjectSerializer(serializers.ModelSerializer):
    #types = ProjectTypeSerializer(read_only=True, many=True, source="project_type")
    #members = StaffProfileSerializer(read_only=True, many=True)
    #manager = StaffProfileSerializer(read_only=True, many=False)
    #statuses = ProjectStatusSerializer(read_only=True, many=True, source="projectstatus_set")

    class Meta:
        model = Project
        fields = "__all__"

    #def to_representation(self, instance):
        #representation = super().to_representation(instance)
        
        # Exclude manager from members list
        #manager_id = representation.get("manager", {}).get("id")
        #if manager_id:
            #representation["members"] = [
                #member for member in representation["members"]
                #if member.get("id") != manager_id
            #]
        #return representation
    

class EpicSerializer(serializers.ModelSerializer):
  project = ProjectSerializer(read_only=True)

  class Meta:
        model = Epic
        fields = "__all__"

class UserStorySerializer(serializers.ModelSerializer):

  class Meta:
        model = UserStory
        fields = "__all__"

class MileStoneSerializer(serializers.ModelSerializer):
  project = ProjectSerializer(read_only=True)

  class Meta:
        model = Milestone
        fields = "__all__"


class UserSerializer(serializers.ModelSerializer):

  class Meta:
        model = User
        fields = "__all__"




class UserStorySerializer(serializers.ModelSerializer):
    project = ProjectSerializer(read_only=True)
    user = UserSerializer(read_only=True)
    milestone = MileStoneSerializer(read_only=True)
    confirmed_date = serializers.SerializerMethodField()
    completed_date = serializers.SerializerMethodField()

    class Meta:
        model = UserStory
        fields = "__all__"

    def get_confirmed_date(self, obj):
        last_task = Task.objects.filter(userstory=obj).order_by("-id").first()
        if last_task:
            last_point = PointActivity.objects.filter(point__task=last_task).order_by("-start_time").first()
            if last_point:  # or "Confirmed" if that's your label
                return last_point.start_time
        return None

    def get_completed_date(self, obj):
        last_task = Task.objects.filter(userstory=obj).order_by("-id").first()
        if last_task:
            last_point = PointActivity.objects.filter(point__task=last_task).order_by("-start_time").first()
            if last_point:  # completed means Closed
                return last_point.end_time or last_point.start_time
        return None