from django.contrib import admin
from django.utils.html import format_html
from adminsortable2.admin import SortableAdminMixin
from import_export.admin import ImportExportModelAdmin
from import_export import resources
from import_export.fields import Field
from import_export.widgets import ForeignKeyWidget

from .models import (
    Category,
    CloudProvider,
    ComputePlan,
    ConsultingPartner,
    ExternalLink,
    ExternalLinkOffering,
    Lead,
    Plan,
    ReusableText,
    Service,
    ServiceOffering,
    WebsiteFaq,
)


class PlanInline(admin.StackedInline):
    model = Plan
    extra = 1
    fieldsets = (
        (None, {"fields": ("name", "description", "pricing", "plan_description")}),
    )


class ExternalLinkOfferingInline(admin.TabularInline):
    model = ExternalLinkOffering
    extra = 1
    fields = ("description", "url", "order")
    ordering = ("order", "description")


class OfferingInline(admin.StackedInline):
    model = ServiceOffering
    extra = 1
    fieldsets = (
        (
            None,
            {
                "fields": (
                    "description",
                    "service",
                    "cloud_provider",
                    "offer_description",
                )
            },
        ),
    )
    show_change_link = True


@admin.register(ReusableText)
class ReusableTextAdmin(admin.ModelAdmin):
    list_display = ("name",)
    search_fields = ("name", "text")
    ordering = ("name",)


@admin.register(Category)
class CategoryAdmin(admin.ModelAdmin):
    list_display = ("name", "slug", "parent", "order")
    list_filter = ("parent",)
    search_fields = ("name", "description")
    prepopulated_fields = {"slug": ("name",)}
    ordering = ("order", "name")


class ComputePlansInline(SortableAdminMixin, admin.ModelAdmin):
    model = ComputePlan
    extra = 1
    fieldsets = ((None, {"fields": ("name", "vcpus", "ram", "price_chf")}),)


@admin.register(CloudProvider)
class CloudProviderAdmin(SortableAdminMixin, admin.ModelAdmin):
    list_display = (
        "name",
        "slug",
        "logo_preview",
        "disable_listing",
        "is_featured",
        "order",
    )
    search_fields = ("name", "description")
    prepopulated_fields = {"slug": ("name",)}
    inlines = [OfferingInline]
    ordering = ("order",)

    def logo_preview(self, obj):
        if obj.logo:
            return format_html(
                '<img src="{}" style="max-height: 50px;"/>', obj.logo.url
            )
        return "No logo"

    logo_preview.short_description = "Logo"


class ExternalLinkInline(admin.TabularInline):
    model = ExternalLink
    extra = 1
    fields = ("description", "url", "order")
    ordering = ("order", "description")


@admin.register(Service)
class ServiceAdmin(admin.ModelAdmin):
    list_display = (
        "name",
        "logo_preview",
        "category_list",
        "is_featured",
        "is_coming_soon",
        "disable_listing",
    )
    list_filter = ("categories",)
    search_fields = ("name", "description", "slug")
    prepopulated_fields = {"slug": ("name",)}
    filter_horizontal = ("categories",)
    inlines = [ExternalLinkInline, OfferingInline]

    def logo_preview(self, obj):
        if obj.logo:
            return format_html(
                '<img src="{}" style="max-height: 50px;"/>', obj.logo.url
            )
        return "No logo"

    logo_preview.short_description = "Logo"

    def category_list(self, obj):
        return ", ".join([cat.name for cat in obj.categories.all()])

    category_list.short_description = "Categories"

    def partner_list(self, obj):
        return ", ".join([partner.name for partner in obj.consulting_partners.all()])

    partner_list.short_description = "Consulting Partners"


@admin.register(ServiceOffering)
class ServiceOfferingAdmin(admin.ModelAdmin):
    list_display = ("service", "cloud_provider")
    list_filter = ("service", "cloud_provider")
    search_fields = ("service__name", "cloud_provider__name", "description")
    inlines = [ExternalLinkOfferingInline, PlanInline]


@admin.register(ConsultingPartner)
class ConsultingPartnerAdmin(SortableAdminMixin, admin.ModelAdmin):
    list_display = (
        "name",
        "website",
        "logo_preview",
        "disable_listing",
        "is_featured",
        "order",
    )
    search_fields = ("name", "description")
    prepopulated_fields = {"slug": ("name",)}
    filter_horizontal = ("services", "cloud_providers")
    ordering = ("order",)

    def logo_preview(self, obj):
        if obj.logo:
            return format_html(
                '<img src="{}" style="max-height: 50px;"/>', obj.logo.url
            )
        return "No logo"

    logo_preview.short_description = "Logo"


@admin.register(Lead)
class LeadAdmin(admin.ModelAdmin):
    list_display = ("name", "company", "created_at", "odoo_lead_id")
    search_fields = ("name", "company")


@admin.register(WebsiteFaq)
class WebsiteFaqAdmin(SortableAdminMixin, admin.ModelAdmin):
    list_display = ("question", "order")
    search_fields = ("question", "answer")
    ordering = ("order",)


class ComputePlanResource(resources.ModelResource):
    cloud_provider = Field(
        column_name="cloud_provider",
        attribute="cloud_provider",
        widget=ForeignKeyWidget(CloudProvider, "name"),
    )

    class Meta:
        model = ComputePlan
        skip_unchanged = True
        report_skipped = False
        import_id_fields = ["name"]
        fields = (
            "name",
            "vcpus",
            "ram",
            "cpu_mem_ratio",
            "price_chf",
            "cloud_provider",
        )


@admin.register(ComputePlan)
class ComputePlansAdmin(ImportExportModelAdmin):
    resource_class = ComputePlanResource
    list_display = ("name", "cloud_provider", "vcpus", "ram", "price_chf", "active")
    search_fields = ("name", "cloud_provider__name")  # Search by cloud_provider name
    ordering = ("name",)