from django.contrib import admin

from vbv_lernwelt.shop.invoice.abacus import abacus_ssh_upload
from vbv_lernwelt.shop.models import CheckoutInformation, CheckoutState, Product
from vbv_lernwelt.shop.services import get_transaction_state
from vbv_lernwelt.shop.views import send_vv_welcome_email


@admin.action(description="DATATRANS: Sync transaction states")
def sync_transaction_state(modeladmin, request, queryset):
    for checkout in queryset:
        state = get_transaction_state(transaction_id=checkout.transaction_id)
        checkout.state = state.value
        checkout.save(
            update_fields=[
                "state",
            ]
        )


@admin.register(CheckoutInformation)
class CheckoutInformationAdmin(admin.ModelAdmin):
    @admin.action(description="ABACUS: Upload invoice to SFTP server")
    def abacus_upload_order(self, request, queryset):
        success = True
        for ci in queryset:
            if not abacus_ssh_upload(ci):
                success = False
        if not success:
            self.message_user(
                request, f"Beim SFTP upload ist ein Fehler aufgetreten", level="error"
            )

    @admin.action(description="Buchungsbestätigung: Bestätigung erneut senden")
    def resend_payment_confirmation(self, request, queryset):
        for ci in queryset:
            if ci.state != CheckoutState.PAID.value:
                self.message_user(
                    request,
                    f"Die Buchung mit der ID {ci.transaction_id} ist nicht bezahlt",
                    level="error",
                )
                continue
            else:
                send_vv_welcome_email(ci)
                self.message_user(
                    request,
                    f"Die Buchungsbestätigung für {ci.transaction_id} wurde erneut versendet",
                    level="success",
                )

    @staticmethod
    def customer(obj):
        return f"{obj.user.first_name} {obj.user.last_name} ({obj.user.email})"

    @staticmethod
    def debitor_number(obj):
        return obj.user.abacus_debitor_number

    def has_delete_permission(self, request, obj=None):
        # Disable delete
        return False

    list_display = (
        "product_sku",
        customer,
        "product_name",
        "product_price",
        "created_at",
        "state",
        "invoice_transmitted_at",
        "abacus_order_id",
        debitor_number,
        "abacus_ssh_upload_done",
    )
    search_fields = [
        "user__email",
        "user__first_name",
        "user__last_name",
        "user__username",
        "transaction_id",
        "abacus_order_id",
        "user__abacus_debitor_number",
    ]
    list_filter = ("state", "product_name", "product_sku", "abacus_ssh_upload_done")
    date_hierarchy = "created_at"
    actions = [abacus_upload_order, sync_transaction_state, resend_payment_confirmation]
    readonly_fields = [
        "user",
        "transaction_id",
        "state",
        "product_price",
        "webhook_history",
    ]


@admin.register(Product)
class ProductAdmin(admin.ModelAdmin):
    list_display = (
        "sku",
        "name",
        "price",
        "description",
    )