from django.contrib import admin
from .models import (
    Device, DeviceSerial, DeviceIP, MaintenanceRecord, DeviceAttachment
)


class DeviceSerialInline(admin.TabularInline):
    model = DeviceSerial
    extra = 1


class DeviceIPInline(admin.TabularInline):
    model = DeviceIP
    extra = 1


class MaintenanceRecordInline(admin.TabularInline):
    model = MaintenanceRecord
    extra = 1


class DeviceAttachmentInline(admin.TabularInline):
    model = DeviceAttachment
    extra = 1


@admin.register(Device)
class DeviceAdmin(admin.ModelAdmin):
    list_display = [
        'id', 'device_name', 'location', 'building', 'status',
        'responsible_person', 'enable_date', 'service_duration_days'
    ]
    list_filter = ['status', 'location', 'building']
    search_fields = ['device_name', 'location', 'brand', 'model']
    inlines = [DeviceSerialInline, DeviceIPInline, MaintenanceRecordInline, DeviceAttachmentInline]
    date_hierarchy = 'enable_date'


@admin.register(DeviceSerial)
class DeviceSerialAdmin(admin.ModelAdmin):
    list_display = ['id', 'device', 'serial_number', 'serial_type', 'is_primary']
    list_filter = ['serial_type', 'is_primary']
    search_fields = ['serial_number']


@admin.register(DeviceIP)
class DeviceIPAdmin(admin.ModelAdmin):
    list_display = ['id', 'device', 'ip_address', 'ip_type', 'is_primary']
    list_filter = ['ip_type', 'is_primary']
    search_fields = ['ip_address']


@admin.register(MaintenanceRecord)
class MaintenanceRecordAdmin(admin.ModelAdmin):
    list_display = ['id', 'device', 'maintenance_date', 'maintenance_by', 'cost']
    list_filter = ['maintenance_date', 'maintenance_by']
    search_fields = ['fault_description', 'repair_content']
    date_hierarchy = 'maintenance_date'


@admin.register(DeviceAttachment)
class DeviceAttachmentAdmin(admin.ModelAdmin):
    list_display = ['id', 'device', 'file_name', 'file_type', 'uploaded_at']
    list_filter = ['file_type', 'uploaded_at']
    search_fields = ['file_name']