from rest_framework import serializers
from .models import (
    Conversation, Message, Feedback, FeedbackTag, DetailedFeedback,
    ConversationSubmission, ConversationEvaluation, SystemConfig
)
from apps.user.serializers import UserSerializer


class ConversationSerializer(serializers.ModelSerializer):
    class Meta:
        model = Conversation
        fields = ['id', 'user', 'is_submitted', 'created_at']
        read_only_fields = ['id', 'created_at', 'user']


class MessageSerializer(serializers.ModelSerializer):
    class Meta:
        model = Message
        fields = ['id', 'conversation', 'role', 'content', 'timestamp']
        read_only_fields = ['id', 'timestamp']


class FeedbackSerializer(serializers.ModelSerializer):
    class Meta:
        model = Feedback
        fields = ['id', 'message', 'conversation', 'user', 'feedback_value', 'timestamp']
        read_only_fields = ['id', 'timestamp']


class FeedbackTagSerializer(serializers.ModelSerializer):
    class Meta:
        model = FeedbackTag
        fields = ['id', 'tag_name', 'tag_type', 'description', 'created_at']
        read_only_fields = ['id', 'created_at']


class DetailedFeedbackSerializer(serializers.ModelSerializer):
    class Meta:
        model = DetailedFeedback
        fields = ['id', 'message', 'conversation', 'user', 'feedback_type', 'feedback_tags', 'custom_tags', 'custom_content', 'is_inline', 'created_at', 'updated_at']
        read_only_fields = ['id', 'created_at', 'updated_at']


class ConversationSubmissionSerializer(serializers.ModelSerializer):
    user_details = UserSerializer(source='user', read_only=True)
    reviewer_details = UserSerializer(source='reviewer', read_only=True)
    
    class Meta:
        model = ConversationSubmission
        fields = ['id', 'conversation', 'user', 'user_details', 'title', 'description', 'status', 'quality_score', 'reviewer', 'reviewer_details', 'reviewer_notes', 'submitted_at', 'reviewed_at', 'created_at', 'updated_at']
        read_only_fields = ['id', 'submitted_at', 'reviewed_at', 'created_at', 'updated_at']


class ConversationEvaluationSerializer(serializers.ModelSerializer):
    class Meta:
        model = ConversationEvaluation
        fields = ['id', 'conversation', 'user', 'overall_feeling', 'has_logical_issues', 'needs_satisfied', 'created_at', 'updated_at']
        read_only_fields = ['id', 'created_at', 'updated_at']


class SystemConfigSerializer(serializers.ModelSerializer):
    class Meta:
        model = SystemConfig
        fields = ['id', 'config_key', 'config_value', 'config_type', 'description', 'created_at', 'updated_at']
        read_only_fields = ['id', 'created_at', 'updated_at']


class ConversationWithMessagesSerializer(serializers.ModelSerializer):
    messages = MessageSerializer(many=True, read_only=True)
    
    class Meta:
        model = Conversation
        fields = ['id', 'user', 'is_submitted', 'created_at', 'messages']
        read_only_fields = ['id', 'created_at']


class MessageWithFeedbackSerializer(serializers.ModelSerializer):
    feedback = FeedbackSerializer(many=True, read_only=True)
    detailed_feedback = DetailedFeedbackSerializer(many=True, read_only=True)
    
    class Meta:
        model = Message
        fields = ['id', 'conversation', 'role', 'content', 'timestamp', 'feedback', 'detailed_feedback']
        read_only_fields = ['id', 'timestamp']