<?php


namespace App\Livewire\Ui\Mail\Modal;

use App\Models\MailUser;
use App\Models\Domain;
use Illuminate\Support\Facades\Hash;
use Livewire\Attributes\On;
use LivewireUI\Modal\ModalComponent;

class MailboxEditModal extends ModalComponent
{
    public int $mailboxId;
    public ?MailUser $mailbox = null;

    // Felder
    public ?string $display_name = null;
    public ?string $password = null;
    public int $quota_mb = 0;
    public ?int $rate_limit_per_hour = null;
    public bool $is_active = true;
    public bool $must_change_pw = true;

    // UI
    public string $email_readonly = '';
    public string $quota_hint = '';
    public bool $rate_limit_readonly = false;

    public static function modalMaxWidth(): string
    {
        return 'lg';
    }

    public function mount(int $mailboxId): void
    {
        $this->mailboxId = $mailboxId;
        $this->mailbox = MailUser::with('domain')->findOrFail($mailboxId);

        // Felder vorbelegen
        $this->display_name = $this->mailbox->display_name;
        $this->quota_mb = (int)$this->mailbox->quota_mb;
        $this->rate_limit_per_hour = $this->mailbox->rate_limit_per_hour;
        $this->is_active = (bool)$this->mailbox->is_active;
        $this->must_change_pw = (bool)$this->mailbox->must_change_pw;

        $dom = $this->mailbox->domain;
        $this->email_readonly = $this->mailbox->localpart . '@' . $dom->domain;

        // Quota-Hinweis + Rate-Limit-Readonly
        $this->buildHints($dom);
    }

    private function buildHints(Domain $d): void
    {
        // verbleibend inkl. der bisherigen Quota dieser Mailbox (damit Edit nicht sofort blockiert)
        $usedWithoutThis = (int)$d->mailUsers()
            ->where('id', '!=', $this->mailbox->id)
            ->sum('quota_mb');

        $remainingByTotal = is_null($d->total_quota_mb)
            ? null
            : max(0, (int)$d->total_quota_mb - $usedWithoutThis);

        $parts = [];
        if (!is_null($d->max_quota_per_mailbox_mb)) $parts[] = "Max {$d->max_quota_per_mailbox_mb} MiB pro Postfach";
        if (!is_null($remainingByTotal)) $parts[] = "Verbleibend jetzt: {$remainingByTotal} MiB";
        if (!is_null($d->default_quota_mb)) $parts[] = "Standard: {$d->default_quota_mb} MiB";
        $this->quota_hint = implode(' · ', $parts);

        // Domain-Rate-Limit: Override?
        if (!$d->rate_limit_override) {
            $this->rate_limit_per_hour = $d->rate_limit_per_hour;
            $this->rate_limit_readonly = true;
        } else {
            if (is_null($this->rate_limit_per_hour)) $this->rate_limit_per_hour = $d->rate_limit_per_hour;
            $this->rate_limit_readonly = false;
        }
    }

    protected function rules(): array
    {
        // defensiv: wenn mailbox oder domain noch nicht da → keine Caps
        $d = $this->mailbox?->domain;

        $maxPerMailbox = $d?->max_quota_per_mailbox_mb ?? PHP_INT_MAX;

        if ($d) {
            $usedWithoutThis = (int)$d->mailUsers()
                ->where('id', '!=', $this->mailbox->id)
                ->sum('quota_mb');

            $remainingByTotal = is_null($d->total_quota_mb)
                ? PHP_INT_MAX
                : max(0, (int)$d->total_quota_mb - $usedWithoutThis);

            $cap = min($maxPerMailbox, $remainingByTotal);
        } else {
            $cap = PHP_INT_MAX;
        }

        return [
            'display_name' => ['nullable', 'string', 'max:191'],
            'password' => ['nullable', 'string', 'min:8'],
            'quota_mb' => ['required', 'integer', 'min:0', 'max:' . $cap],
            'rate_limit_per_hour' => ['nullable', 'integer', 'min:1'],
            'is_active' => ['boolean'],
            'must_change_pw' => ['boolean'],
        ];
    }

    #[On('mailbox:edit:save')]
    public function save(): void
    {
        $this->validate();

        $u = $this->mailbox; // schon geladen
        $d = $u->domain;

        // Speichern
        $u->display_name = $this->display_name ?: null;
        if (!empty($this->password)) {
            $u->password_hash = Hash::make($this->password);
            $u->must_change_pw = true;
        }
        $u->quota_mb = (int)$this->quota_mb;
        $u->rate_limit_per_hour = $this->rate_limit_readonly ? $d->rate_limit_per_hour : $this->rate_limit_per_hour;
        $u->is_active = (bool)$this->is_active;
        $u->must_change_pw = (bool)$this->must_change_pw;
        $u->save();

        $mailbox = $u->localpart . '@' . $d->domain;
        $this->dispatch('mailbox:updated');
        $this->dispatch('closeModal');
        $this->dispatch('toast',
            type: 'done',
            badge: 'Postfach',
            title: 'Postfach aktualisiert',
            text: 'Das Postfach <b>' . $mailbox . '</b> wurde erfolgreich aktualisiert.',
            duration: 6000
        );
    }

    public function render()
    {
        return view('livewire.ui.mail.modal.mailbox-edit-modal');
    }
}

//namespace App\Livewire\Ui\Mail\Modal;
//
//use App\Models\MailUser;
//use LivewireUI\Modal\ModalComponent;
//use Illuminate\Support\Facades\Hash;
//use Illuminate\Validation\Rule;
//
//class MailboxEditModal extends ModalComponent
//{
//    // Eingangs-Argument (du rufst openMailboxEdit($id))
//    public int $domainId; // = mailbox_id
//
//    // Anzeige
//    public string $email_display = '';   // readonly im UI
//
//    // Editierbare Felder
//    public ?string $display_name = null;
//    public ?string $password = null;              // leer => unverändert
//    public int $quota_mb = 0;
//    public ?int $rate_limit_per_hour = null;
//    public bool $is_active = true;
//
//    // Intern
//    protected MailUser $mailbox;
//
//    // Hinweise
//    public string $quota_hint = '';
//
//    public function mount(int $domainId): void
//    {
//        $this->domainId = $domainId;
//
//        $this->mailbox = MailUser::query()
//            ->with('domain:id,domain,total_quota_mb,max_quota_per_mailbox_mb,default_quota_mb')
//            ->findOrFail($this->domainId);
//
//        $this->email_display = $this->mailbox->localpart . '@' . $this->mailbox->domain->domain;
//        $this->display_name = $this->mailbox->display_name;
//        $this->quota_mb = (int)$this->mailbox->quota_mb;
//        $this->rate_limit_per_hour = $this->mailbox->rate_limit_per_hour;
//        $this->is_active = (bool)$this->mailbox->is_active;
//
//        // Quota-Hinweis bauen
//        $d = $this->mailbox->domain;
//        $parts = [];
//        if (!is_null($d->total_quota_mb)) {
//            // verbleibend „nach Speichern“ kannst du bei Bedarf einsetzen, hier nur aktuell
//            $parts[] = 'Verbleibend jetzt: ' . number_format((int)$d->total_quota_mb, 0, ',', '.') . ' MiB';
//        }
//        if (!is_null($d->max_quota_per_mailbox_mb)) $parts[] = 'Max ' . $d->max_quota_per_mailbox_mb . ' MiB pro Postfach';
//        if (!is_null($d->default_quota_mb)) $parts[] = 'Standard: ' . $d->default_quota_mb . ' MiB';
//        $this->quota_hint = implode(' · ', $parts);
//    }
//
//    protected function rules(): array
//    {
//        $d = $this->mailbox->domain;
//
//        $maxPerMailbox = $d->max_quota_per_mailbox_mb ?: PHP_INT_MAX;
//
//        return [
//            'display_name' => ['nullable', 'string', 'max:191'],
//            'password' => ['nullable', 'string', 'min:8'],
//            'quota_mb' => ['required', 'integer', 'min:0', 'max:' . $maxPerMailbox],
//            'rate_limit_per_hour' => ['nullable', 'integer', 'min:1'],
//            'is_active' => ['boolean'],
//        ];
//    }
//
//    public function save(): void
//    {
//        $data = $this->validate();
//
//        // speichern
//        $this->mailbox->display_name = $data['display_name'] ?: null;
//        if (!empty($data['password'])) {
//            $this->mailbox->password_hash = Hash::make($data['password']);
//        }
//        $this->mailbox->quota_mb = (int)$data['quota_mb'];
//        $this->mailbox->rate_limit_per_hour = $data['rate_limit_per_hour'];
//        $this->mailbox->is_active = (bool)$data['is_active'];
//        $this->mailbox->save();
//
//        $this->dispatch('mailbox:updated');
//        $this->dispatch('closeModal');
//        $this->dispatch('toast', [
//            'state' => 'success',
//            'text'  => 'Postfach wurde erfolgreich aktualisiert.',
//        ]);
//    }
//
//    public static function modalMaxWidth(): string
//    {
//        return '4xl';
//    }
//
//    public function render()
//    {
//        return view('livewire.ui.mail.modal.mailbox-edit-modal');
//    }
//}
//
//namespace App\Livewire\Ui\Mail\Modal;
//
//use App\Models\Domain;
//use App\Models\MailUser;
//use Illuminate\Support\Facades\Hash;
//use Illuminate\Validation\Rule;
//use LivewireUI\Modal\ModalComponent;
//
//class MailboxEditModal extends ModalComponent
//{
//    public int $mailboxId;
//
//    // read-only Anzeige
//    public string $email = '';
//
//    // editierbare Felder
//    public ?string $display_name = null;
//    public string $password = '';
//    public int $quota_mb = 0;
//    public ?int $rate_limit_per_hour = null;
//    public bool $is_active = true;
//
//    // Domain/Limits
//    public int $domain_id;
//    public ?int $limit_default_quota_mb = null;
//    public ?int $limit_max_quota_per_mb = null;   // pro Mailbox
//    public ?int $limit_total_quota_mb = null;     // gesamt (0/NULL = unbegrenzt)
//    public ?int $limit_domain_rate_per_hour = null;
//    public bool $allow_rate_limit_override = false;
//
//    // Status/Ausgabe
//    public int $domain_storage_used_mb = 0;       // Summe Quotas aller Mailboxen
//    public int $this_orig_quota_mb = 0;           // Original der aktuellen Mailbox
//    public string $quota_hint = '';
//    public bool $rate_limit_readonly = false;
//
//    public function mount(int $mailboxId): void
//    {
//        $u = MailUser::with('domain')->findOrFail($mailboxId);
//        $d = $u->domain;
//
//        $this->mailboxId = $u->id;
//        $this->domain_id = $d->id;
//
//        $this->email               = $u->email;
//        $this->display_name        = $u->display_name;
//        $this->quota_mb            = (int)$u->quota_mb;
//        $this->this_orig_quota_mb  = (int)$u->quota_mb;
//        $this->rate_limit_per_hour = $u->rate_limit_per_hour;
//        $this->is_active           = (bool)$u->is_active;
//
//        // Limits aus Domain
//        $agg = Domain::query()
//            ->withSum('mailUsers as used_storage_mb', 'quota_mb')
//            ->findOrFail($d->id);
//
//        $this->limit_default_quota_mb     = $d->default_quota_mb;
//        $this->limit_max_quota_per_mb     = $d->max_quota_per_mailbox_mb;
//        $this->limit_total_quota_mb       = $d->total_quota_mb;           // 0 = unbegrenzt
//        $this->limit_domain_rate_per_hour = $d->rate_limit_per_hour;
//        $this->allow_rate_limit_override  = (bool)$d->rate_limit_override;
//
//        $this->domain_storage_used_mb = (int)($agg->used_storage_mb ?? 0);
//
//        // Rate-Limit-Feld ggf. readonly machen
//        if (!$this->allow_rate_limit_override) {
//            $this->rate_limit_per_hour = $this->limit_domain_rate_per_hour;
//            $this->rate_limit_readonly = true;
//        }
//
//        $this->buildQuotaHint();
//    }
//
//    protected function rules(): array
//    {
//        // „Rest gesamt“ = total - (used - this_orig)  (wir dürfen die alte Quota dieser Mailbox neu verteilen)
//        $remainingByTotal = ($this->limit_total_quota_mb === null || $this->limit_total_quota_mb === 0)
//            ? PHP_INT_MAX
//            : max(0, (int)$this->limit_total_quota_mb - max(0, (int)$this->domain_storage_used_mb - $this->this_orig_quota_mb));
//
//        $maxPerMailbox = $this->limit_max_quota_per_mb ?? PHP_INT_MAX;
//        $cap = min($maxPerMailbox, $remainingByTotal);
//
//        return [
//            'display_name'        => ['nullable','string','max:191'],
//            'password'            => ['nullable','string','min:8'],
//            'quota_mb'            => ['required','integer','min:0','max:'.$cap],
//            'rate_limit_per_hour' => ['nullable','integer','min:1'],
//            'is_active'           => ['boolean'],
//        ];
//    }
//
//    public function updatedQuotaMb(): void
//    {
//        $this->buildQuotaHint();
//    }
//
//    private function buildQuotaHint(): void
//    {
//        $parts = [];
//        if (!is_null($this->limit_total_quota_mb) && $this->limit_total_quota_mb > 0) {
//            $usedMinusThis = max(0, (int)$this->domain_storage_used_mb - $this->this_orig_quota_mb);
//            $nowRemaining  = max(0, (int)$this->limit_total_quota_mb - $usedMinusThis);
//            $after         = max(0, (int)$this->limit_total_quota_mb - $usedMinusThis - max(0,(int)$this->quota_mb));
//
//            $parts[] = "Verbleibend jetzt: {$nowRemaining} MiB";
//            $parts[] = "nach Speichern: {$after} MiB";
//        }
//        if (!is_null($this->limit_max_quota_per_mb)) {
//            $parts[] = "Max {$this->limit_max_quota_per_mb} MiB pro Postfach";
//        }
//        if (!is_null($this->limit_default_quota_mb)) {
//            $parts[] = "Standard: {$this->limit_default_quota_mb} MiB";
//        }
//        $this->quota_hint = implode(' · ', $parts);
//    }
//
//    public function save(): void
//    {
//        $data = $this->validate();
//
//        // Falls Override verboten ist → Domain-Wert erzwingen
//        if (!$this->allow_rate_limit_override) {
//            $data['rate_limit_per_hour'] = $this->limit_domain_rate_per_hour;
//        }
//
//        $u = MailUser::findOrFail($this->mailboxId);
//
//        // Passwort optional ändern
//        if (!empty($data['password'] ?? '')) {
//            $u->password_hash = Hash::make($data['password']);
//        }
//
//        $u->display_name        = $data['display_name'] ?? null;
//        $u->quota_mb            = (int)$data['quota_mb'];
//        $u->rate_limit_per_hour = $data['rate_limit_per_hour'] ?? null;
//        $u->is_active           = (bool)$data['is_active'];
//        $u->save();
//
//        $this->dispatch('mailbox:updated');
//        $this->dispatch('closeModal');
//        $this->dispatch('toast',
//            type: 'done',
//            badge: 'Mailbox',
//            title: 'Postfach aktualisiert',
//            text: 'Die Änderungen wurden gespeichert.',
//            duration: 4000,
//        );
//    }
//
//    public static function modalMaxWidth(): string
//    {
//        return '3xl';
//    }
//
//    public function render()
//    {
//        return view('livewire.ui.mail.modal.mailbox-edit-modal');
//    }
//}