"""
Django admin configuration for integrations app.
"""

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

from .models import (
    ExternalOrder,
    NphiesMessage,
    NphiesEncounterLink,
    PayerContract,
    EInvoice,
    ZatcaCredential,
)


@admin.register(ExternalOrder)
class ExternalOrderAdmin(admin.ModelAdmin):
    """Admin interface for ExternalOrder model."""
    
    list_display = ['patient', 'order_type', 'status', 'ordered_by', 'ordered_at', 'tenant']
    list_filter = ['order_type', 'status', 'tenant', 'ordered_at']
    search_fields = ['patient__mrn', 'patient__first_name_en', 'patient__last_name_en']
    readonly_fields = ['id', 'ordered_at', 'created_at', 'updated_at']
    date_hierarchy = 'ordered_at'
    
    fieldsets = (
        (None, {
            'fields': ('patient', 'order_type', 'tenant', 'status')
        }),
        (_('Order Details'), {
            'fields': ('order_details', 'ordered_by', 'ordered_at')
        }),
        (_('Results'), {
            'fields': ('result_url', 'result_data', 'completed_at'),
            'classes': ('collapse',)
        }),
        (_('Metadata'), {
            'fields': ('id', 'created_at', 'updated_at'),
            'classes': ('collapse',)
        }),
    )


@admin.register(NphiesMessage)
class NphiesMessageAdmin(admin.ModelAdmin):
    """Admin interface for NphiesMessage model."""
    
    list_display = ['direction', 'resource_type', 'status', 'correlation_id', 'sent_at', 'tenant']
    list_filter = ['direction', 'resource_type', 'status', 'tenant', 'sent_at']
    search_fields = ['correlation_id', 'error_code']
    readonly_fields = ['id', 'created_at', 'updated_at']
    date_hierarchy = 'created_at'
    
    fieldsets = (
        (None, {
            'fields': ('direction', 'resource_type', 'tenant', 'status')
        }),
        (_('FHIR Data'), {
            'fields': ('fhir_json',)
        }),
        (_('Correlation'), {
            'fields': ('correlation_id', 'sent_at')
        }),
        (_('Response'), {
            'fields': ('response_http_status',),
            'classes': ('collapse',)
        }),
        (_('Error Information'), {
            'fields': ('error_code', 'error_message'),
            'classes': ('collapse',)
        }),
        (_('Metadata'), {
            'fields': ('id', 'created_at', 'updated_at'),
            'classes': ('collapse',)
        }),
    )


@admin.register(NphiesEncounterLink)
class NphiesEncounterLinkAdmin(admin.ModelAdmin):
    """Admin interface for NphiesEncounterLink model."""
    
    list_display = ['patient', 'appointment', 'encounter_id', 'claim_id', 'tenant']
    list_filter = ['tenant']
    search_fields = ['patient__mrn', 'encounter_id', 'claim_id', 'claim_response_id']
    readonly_fields = ['id']
    
    fieldsets = (
        (None, {
            'fields': ('patient', 'appointment', 'tenant')
        }),
        (_('NPHIES Identifiers'), {
            'fields': ('encounter_id', 'claim_id', 'claim_response_id')
        }),
        (_('Metadata'), {
            'fields': ('id',),
            'classes': ('collapse',)
        }),
    )


@admin.register(PayerContract)
class PayerContractAdmin(admin.ModelAdmin):
    """Admin interface for PayerContract model."""
    
    list_display = ['payer_name', 'payer_code', 'supports_eligibility', 'supports_prior_auth', 
                    'supports_claims', 'is_active', 'tenant']
    list_filter = ['is_active', 'supports_eligibility', 'supports_prior_auth', 'supports_claims', 'tenant']
    search_fields = ['payer_name', 'payer_code']
    readonly_fields = ['id', 'created_at', 'updated_at']
    
    fieldsets = (
        (None, {
            'fields': ('payer_name', 'payer_code', 'tenant', 'is_active')
        }),
        (_('Capabilities'), {
            'fields': ('supports_eligibility', 'supports_prior_auth', 'supports_claims')
        }),
        (_('Configuration'), {
            'fields': ('credentials', 'endpoints'),
            'classes': ('collapse',)
        }),
        (_('Metadata'), {
            'fields': ('id', 'created_at', 'updated_at'),
            'classes': ('collapse',)
        }),
    )


@admin.register(EInvoice)
class EInvoiceAdmin(admin.ModelAdmin):
    """Admin interface for EInvoice model."""
    
    list_display = ['invoice', 'uuid', 'clearance_status', 'submission_mode', 'submitted_at', 'tenant']
    list_filter = ['clearance_status', 'submission_mode', 'tenant', 'submitted_at']
    search_fields = ['invoice__invoice_number', 'uuid', 'zatca_document_type']
    readonly_fields = ['id', 'created_at', 'updated_at']
    date_hierarchy = 'created_at'
    
    fieldsets = (
        (None, {
            'fields': ('invoice', 'uuid', 'tenant', 'clearance_status', 'submission_mode')
        }),
        (_('ZATCA Details'), {
            'fields': ('zatca_document_type', 'submitted_at')
        }),
        (_('XML & QR'), {
            'fields': ('xml_payload', 'qr_base64'),
            'classes': ('collapse',)
        }),
        (_('Response'), {
            'fields': ('response_payload',),
            'classes': ('collapse',)
        }),
        (_('Error Information'), {
            'fields': ('error_code', 'error_message'),
            'classes': ('collapse',)
        }),
        (_('Metadata'), {
            'fields': ('id', 'created_at', 'updated_at'),
            'classes': ('collapse',)
        }),
    )


@admin.register(ZatcaCredential)
class ZatcaCredentialAdmin(admin.ModelAdmin):
    """Admin interface for ZatcaCredential model."""
    
    list_display = ['tenant', 'environment', 'is_active', 'expires_at', 'is_expired']
    list_filter = ['environment', 'is_active', 'tenant', 'expires_at']
    search_fields = ['tenant__name']
    readonly_fields = ['id', 'is_expired', 'created_at', 'updated_at']
    
    fieldsets = (
        (None, {
            'fields': ('tenant', 'environment', 'is_active')
        }),
        (_('Credentials'), {
            'fields': ('csid', 'certificate', 'private_key', 'expires_at', 'is_expired'),
            'classes': ('collapse',)
        }),
        (_('Metadata'), {
            'fields': ('id', 'created_at', 'updated_at'),
            'classes': ('collapse',)
        }),
    )