from django.contrib import admin
from .models import BitcoinPrice, MarketAnalysis, SystemStatus, NotificationPreference, EmailNotification


@admin.register(BitcoinPrice)
class BitcoinPriceAdmin(admin.ModelAdmin):
    list_display = ('timestamp', 'price_usd', 'volume', 'market_cap')
    list_filter = ('timestamp',)
    search_fields = ('price_usd',)
    date_hierarchy = 'timestamp'


@admin.register(MarketAnalysis)
class MarketAnalysisAdmin(admin.ModelAdmin):
    list_display = ('timestamp', 'period', 'status', 'current_price', 'average_price')
    list_filter = ('period', 'status', 'is_event')
    search_fields = ('status', 'event_type')
    date_hierarchy = 'timestamp'
    
    fieldsets = (
        ('Basic Info', {
            'fields': ('timestamp', 'period', 'status')
        }),
        ('Prices', {
            'fields': ('current_price', 'average_price', 'min_price', 'max_price')
        }),
        ('Analysis', {
            'fields': ('threshold_percent', 'lower_threshold', 'upper_threshold')
        }),
        ('Events', {
            'fields': ('is_event', 'event_type')
        }),
    )


@admin.register(SystemStatus)
class SystemStatusAdmin(admin.ModelAdmin):
    list_display = ('timestamp', 'is_healthy', 'is_stale', 'current_price')
    list_filter = ('is_healthy', 'is_stale')
    readonly_fields = ('timestamp',)
    date_hierarchy = 'timestamp'
    
    fieldsets = (
        ('Status', {
            'fields': ('timestamp', 'is_healthy', 'is_stale')
        }),
        ('Updates', {
            'fields': ('last_hourly_update', 'last_successful_fetch')
        }),
        ('Current State', {
            'fields': ('current_price',)
        }),
        ('Errors', {
            'fields': ('last_error',),
            'classes': ('collapse',)
        }),
    )


@admin.register(NotificationPreference)
class NotificationPreferenceAdmin(admin.ModelAdmin):
    list_display = ('email_address', 'is_active', 'receive_event_alerts', 
                    'receive_system_alerts', 'receive_daily_digest', 'created_at')
    list_filter = ('is_active', 'receive_event_alerts', 'receive_system_alerts', 
                   'receive_daily_digest')
    search_fields = ('email_address',)
    list_editable = ('is_active', 'receive_event_alerts', 'receive_system_alerts', 
                     'receive_daily_digest')
    
    fieldsets = (
        ('Email Settings', {
            'fields': ('email_address', 'is_active')
        }),
        ('Notification Types', {
            'fields': ('receive_event_alerts', 'receive_system_alerts', 'receive_daily_digest'),
            'classes': ('collapse',)
        }),
        ('Timestamps', {
            'fields': ('created_at', 'updated_at'),
            'classes': ('collapse',)
        }),
    )
    
    readonly_fields = ('created_at', 'updated_at')


@admin.register(EmailNotification)
class EmailNotificationAdmin(admin.ModelAdmin):
    list_display = ('recipient', 'subject', 'notification_type', 'status', 
                    'sent_at', 'created_at')
    list_filter = ('notification_type', 'status', 'recipient')
    search_fields = ('recipient', 'subject', 'error_message')
    readonly_fields = ('created_at', 'sent_at', 'retry_count')
    
    fieldsets = (
        ('Basic Info', {
            'fields': ('recipient', 'subject', 'notification_type', 'status')
        }),
        ('Content', {
            'fields': ('content_text', 'content_html'),
            'classes': ('collapse',)
        }),
        ('Delivery Info', {
            'fields': ('sent_at', 'retry_count', 'error_message')
        }),
        ('Timestamps', {
            'fields': ('created_at',),
            'classes': ('collapse',)
        }),
    )
    
    actions = ['resend_failed_emails']
    
    def resend_failed_emails(self, request, queryset):
        """Resend failed emails."""
        from monitor.services.email_service import EmailService
        email_service = EmailService()
        
        resend_count = 0
        for email in queryset.filter(status='failed'):
            try:
                # Create a copy of the email and send
                email_service._send_single_email(email, '', {})
                resend_count += 1
            except Exception as e:
                self.message_user(request, f"Failed to resend to {email.recipient}: {e}", level='error')
        
        self.message_user(request, f"Resent {resend_count} email(s)")
    
    resend_failed_emails.short_description = "Resend selected failed emails"