<?php

namespace App\Livewire\Admin;

use App\Models\Customer;
use Illuminate\Support\Number;
use Livewire\Attributes\Layout;
use Livewire\Component;

#[Layout('layouts.admin')]
class Customers extends Component
{
    /** Suspend / reactivate a customer account (a guarded lifecycle action, not delete). */
    public function toggleSuspend(string $uuid): void
    {
        $customer = Customer::query()->where('uuid', $uuid)->first();
        if ($customer === null) {
            return;
        }

        // A closed account is terminal — the suspend/reactivate toggle must not
        // resurrect it to active while closed_at is still set.
        if ($customer->closed_at !== null || $customer->status === 'closed') {
            return;
        }

        $customer->update([
            'status' => $customer->status === 'suspended' ? 'active' : 'suspended',
        ]);

        $this->dispatch('notify', message: __('admin.customer_'.($customer->status === 'suspended' ? 'suspended' : 'reactivated')));
    }

    public function render()
    {
        $locale = app()->getLocale();
        $plans = config('provisioning.plans');

        $customers = Customer::query()
            ->with('instances')
            ->orderBy('name')
            ->get();

        $rows = $customers->map(function (Customer $c) use ($plans, $locale) {
            $instance = $c->instances->sortByDesc('id')->first();
            $planKey = $instance->plan ?? null;
            $priceCents = $planKey !== null ? ($plans[$planKey]['price_cents'] ?? 0) : 0;

            return [
                'uuid' => $c->uuid,
                'name' => $c->name,
                'plan' => $planKey !== null ? __('billing.plan.'.$planKey) : '—',
                'mrr' => Number::currency($priceCents / 100, in: 'EUR', locale: $locale),
                'instance' => $instance->subdomain ?? '—',
                'closed' => $c->closed_at !== null || $c->status === 'closed',
                'suspended' => $c->status === 'suspended',
                'status' => match (true) {
                    $c->closed_at !== null || $c->status === 'closed' => 'closed',
                    $c->status === 'suspended' => 'suspended',
                    default => $instance->status ?? $c->status ?? 'provisioning',
                },
            ];
        })->all();

        // Plan distribution for the doughnut — derived from live instances.
        $labels = [];
        $counts = [];
        foreach (array_keys($plans) as $planKey) {
            $n = $customers->filter(fn (Customer $c) => $c->instances->contains('plan', $planKey))->count();
            if ($n > 0) {
                $labels[] = __('billing.plan.'.$planKey);
                $counts[] = $n;
            }
        }

        return view('livewire.admin.customers', [
            'rows' => $rows,
            'plansChart' => [
                'type' => 'doughnut',
                'data' => [
                    'labels' => $labels,
                    'datasets' => [[
                        'data' => $counts,
                        'backgroundColor' => ['token:info', 'token:accent', 'token:success-bright', 'token:warning'],
                        'borderWidth' => 0,
                    ]],
                ],
                'options' => [
                    'cutout' => '62%',
                    'plugins' => ['legend' => ['position' => 'bottom', 'labels' => ['boxWidth' => 10, 'padding' => 12]]],
                ],
            ],
        ]);
    }
}