from rest_framework import serializers
from apps.diplomacy.models import RepresentativeReport, ReportStatus


class RepresentativeReportListSerializer(serializers.ModelSerializer):
    representative_name = serializers.CharField(source='representative.get_full_name', read_only=True)
    representative_email = serializers.EmailField(source='representative.email', read_only=True)

    class Meta:
        model = RepresentativeReport
        fields = [
            'id', 'title', 'representative_name',
            'representative_email', 'region_hub', 'period',
            'centers_visited_count', 'status', 'created_at',
        ]


class RepresentativeReportDetailSerializer(serializers.ModelSerializer):
    representative_name = serializers.CharField(source='representative.get_full_name', read_only=True)
    reviewer_name = serializers.CharField(source='reviewed_by.get_full_name', read_only=True)

    class Meta:
        model = RepresentativeReport
        fields = [
            'id', 'title', 'representative', 'representative_name',
            'region_hub', 'period', 'activities_summary',
            'centers_visited_count', 'key_achievements',
            'challenges_and_needs', 'attachment', 'status',
            'feedback_notes', 'reviewed_by', 'reviewer_name',
            'created_at', 'updated_at',
        ]
        read_only_fields = ['id', 'representative', 'status', 'feedback_notes', 'reviewed_by', 'created_at', 'updated_at']


class RepresentativeReportCreateSerializer(serializers.ModelSerializer):
    class Meta:
        model = RepresentativeReport
        fields = [
            'id', 'title', 'region_hub', 'period',
            'activities_summary', 'centers_visited_count',
            'key_achievements', 'challenges_and_needs', 'attachment',
        ]


class RepresentativeReportReviewSerializer(serializers.Serializer):
    status = serializers.ChoiceField(choices=ReportStatus.choices)
    feedback_notes = serializers.CharField(required=False, allow_blank=True)