"""
Django admin configuration for nursing app.
"""

from django.contrib import admin
from django.utils.translation import gettext_lazy as _

from .models import (
    NursingEncounter,
    GrowthChart,
    VitalSignsAlert,
)


@admin.register(NursingEncounter)
class NursingEncounterAdmin(admin.ModelAdmin):
    """Admin interface for NursingEncounter model."""
    
    list_display = ['patient', 'encounter_date', 'filled_by', 'temperature', 'hr_bpm', 
                    'bp_systolic', 'bp_diastolic', 'bmi', 'signed_by', 'tenant']
    list_filter = ['encounter_date', 'tenant', 'signed_at']
    search_fields = ['patient__mrn', 'patient__first_name_en', 'patient__last_name_en']
    readonly_fields = ['id', 'bmi', 'bmi_category', 'blood_pressure', 'has_abnormal_vitals', 
                       'created_at', 'updated_at']
    date_hierarchy = 'encounter_date'
    
    fieldsets = (
        (_('Patient & Provider'), {
            'fields': ('patient', 'tenant', 'encounter_date', 'appointment', 'filled_by')
        }),
        (_('Vital Signs'), {
            'fields': ('temperature', 'hr_bpm', 'respiratory_rate', 'bp_systolic', 
                      'bp_diastolic', 'blood_pressure', 'spo2', 'crt')
        }),
        (_('Measurements'), {
            'fields': ('height_cm', 'weight_kg', 'bmi', 'bmi_category', 'head_circumference_cm')
        }),
        (_('Pain & Allergies'), {
            'fields': ('pain_score', 'allergy_present', 'allergy_details')
        }),
        (_('Observations'), {
            'fields': ('observations',)
        }),
        (_('Abnormal Findings'), {
            'fields': ('has_abnormal_vitals',),
            'classes': ('collapse',)
        }),
        # (_('Additional Notes'), {
        #     'fields': ('notes',),
        #     'classes': ('collapse',)
        # }),
        (_('Signature'), {
            'fields': ('signed_by', 'signed_at'),
            'classes': ('collapse',)
        }),
        (_('Metadata'), {
            'fields': ('id', 'created_at', 'updated_at'),
            'classes': ('collapse',)
        }),
    )


@admin.register(GrowthChart)
class GrowthChartAdmin(admin.ModelAdmin):
    """Admin interface for GrowthChart model."""
    
    list_display = ['patient', 'measurement_date', 'age_months', 'weight_kg', 'height_cm', 
                    'head_circumference_cm', 'bmi']
    list_filter = ['patient', 'measurement_date']
    search_fields = ['patient__mrn', 'patient__first_name_en', 'patient__last_name_en']
    readonly_fields = ['id', 'age_months', 'bmi', 'created_at', 'updated_at']
    
    fieldsets = (
        (None, {
            'fields': ('patient', 'nursing_encounter', 'measurement_date', 'age_months')
        }),
        (_('Measurements'), {
            'fields': ('weight_kg', 'height_cm', 'head_circumference_cm', 'bmi')
        }),
        (_('Percentiles'), {
            'fields': ('percentile_weight', 'percentile_height', 'percentile_head_circumference', 
                      'percentile_bmi'),
            'classes': ('collapse',)
        }),
        (_('Metadata'), {
            'fields': ('id', 'created_at', 'updated_at'),
            'classes': ('collapse',)
        }),
    )


@admin.register(VitalSignsAlert)
class VitalSignsAlertAdmin(admin.ModelAdmin):
    """Admin interface for VitalSignsAlert model."""
    
    list_display = ['nursing_encounter', 'vital_sign', 'severity', 'status', 'acknowledged_by', 'tenant']
    list_filter = ['vital_sign', 'severity', 'status', 'tenant', 'created_at']
    search_fields = ['nursing_encounter__patient__mrn', 'vital_sign', 'value']
    readonly_fields = ['id', 'created_at', 'updated_at']
    date_hierarchy = 'created_at'
    
    fieldsets = (
        (None, {
            'fields': ('nursing_encounter', 'tenant', 'vital_sign', 'severity', 'status')
        }),
        (_('Alert Details'), {
            'fields': ('value',)
        }),
        (_('Acknowledgment'), {
            'fields': ('acknowledged_by', 'acknowledged_at', 'notes'),
            'classes': ('collapse',)
        }),
        (_('Metadata'), {
            'fields': ('id', 'created_at', 'updated_at'),
            'classes': ('collapse',)
        }),
    )