<?php
// RMLWorkorderAdminController.php

class RMLWorkorderAdminController extends TTCrud
{
    protected string $headerTitle = 'RML Arbeitsaufträge (Admin)';
    protected bool $createText = false;
    protected array $permissionCheck = ['RMLAdmin'];

    protected array $columns = [
//        ['key' => 'id', 'text' => 'Auftrag-Nr.', 'table' => ['sortable' => true]],
        ['key' => 'preordercampaign_id', 'text' => 'Cluster', 'modal' => false, 'table' => ['filter' => 'select']],
        ['key' => 'preorderInfo', 'text' => 'Kunde / Projekt', 'modal' => false, 'table' => ['sortable' => false]],
        ['key' => 'rimo_fcp_name', 'text' => 'FCP', 'modal' => false, 'table' => ['sortable' => false]],
        ['key' => 'companyName', 'text' => 'Zuständige Firma', 'modal' => false],
        ['key' => 'status', 'text' => 'Status', 'modal' => false, 'table' => ['filter' => 'iconSelect', 'filterOptions' => [
            ['value' => 'new', 'text' => 'Neu', 'icon' => 'fas fa-star text-primary'],
            ['value' => 'assigned', 'text' => 'Zugewiesen', 'icon' => 'fas fa-user-check text-info'],
            ['value' => 'scheduled', 'text' => 'Terminiert', 'icon' => 'fas fa-calendar-check text-warning'],
            ['value' => 'correction_requested', 'text' => 'Korrektur angefordert', 'icon' => 'fas fa-exclamation-triangle text-danger'],
            ['value' => 'intervention_required', 'text' => 'Eingriff benötigt', 'icon' => 'fas fa-times-circle text-danger'],
            ['value' => 'documented', 'text' => 'Dokumentiert', 'icon' => 'fas fa-file-alt text-success'],
            ['value' => 'completed', 'text' => 'Abgeschlossen', 'icon' => 'fas fa-check-double text-secondary'],
        ]]],
        ['key' => 'deadlineDate', 'text' => 'Deadline', 'modal' => false, 'table' => ['filter' => 'date']],
    ];

    protected function indexAction()
    {
        $campaigns = Helper::getPreorderCampaignFromUser($this->user, true);
        $this->columns[array_search('preordercampaign_id', array_column($this->columns, 'key'))]['table']['filterOptions'] = array_map(
            fn($c) => ['value' => $c->id, 'text' => $c->name],
            $campaigns
        );

        $this->createWorkordersFromPreorders();
        Helper::renderVue($this, 'RMLWorkorderAdmin', $this->headerTitle, [
            "CRUD_CONFIG" => $this->getCrudConfig(),
            "TABLE_URL" => $this::getUrl("RMLWorkorderAdmin/get"),
        ]);
    }

    protected function getAction() {
        $json = json_decode(file_get_contents('php://input'), true);
        $pagination = $json['pagination'] ?? ['page' => 1, 'per_page' => 10];
        $filters = $json['filters'] ?? [];
        $order = $json['order'] ?? [];

        $allowedCampaignIds = Helper::getPreorderCampaignFromUser($this->user);

        if (empty($allowedCampaignIds)) {
            self::returnJson([
                'rows' => [],
                'pagination' => array_merge($pagination, ['total_rows' => 0, 'total_pages' => 0, 'filtered_available' => 0])
            ]);
            return;
        }

        $limit = $pagination['per_page'];
        $offset = ($pagination['page'] - 1) * $limit;

        $workorders = RMLWorkorderModel::getAdminWorkorders($filters, $limit, $offset, $order, $allowedCampaignIds);
        $totalCount = RMLWorkorderModel::countAdminWorkorders($filters, $allowedCampaignIds);

        $rows = array_map(function($workorder) {
            $row = (array)$workorder;

            $row['companyName'] ??= 'Nicht zugewiesen';
            $row['deadlineDateFormatted'] = $row['deadlineDate'] ? date('d.m.Y', $row['deadlineDate']) : 'Keine Deadline';
            $row['daysUntilDeadline'] = $row['deadlineDate'] ? ceil(($row['deadlineDate'] - time()) / (60 * 60 * 24)) : null;

            return $row;
        }, $workorders);

        self::returnJson([
            'rows' => $rows,
            'pagination' => [
                'page' => $pagination['page'],
                'per_page' => $pagination['per_page'],
                'total_rows' => $totalCount,
                'total_pages' => ceil($totalCount / $limit),
                'filtered_available' => $totalCount
            ]
        ]);
    }

    private function createWorkordersFromPreorders() {
        $newPreorders = PreorderModel::searchActive(['status_code' => 220]);
        if (empty($newPreorders)) return;

        foreach ($newPreorders as $preorder) {
            if (!RMLWorkorderModel::getFirst(['preorderId' => $preorder->id])) {
                RMLWorkorderModel::create([
                    'preorderId' => $preorder->id,
                    'clusterId'  => $preorder->preordercampaign_id,
                    'status'     => 'new',
                    'create'     => time(),
                    'createBy'   => $this->user->id
                ]);
            }
        }
    }

    protected function assignWorkorderAction() {
        $post = json_decode(file_get_contents('php://input'), true);
        if (empty($post['workorderId']) || empty($post['companyId'])) self::sendError("Required fields are missing.");

        $workorder = RMLWorkorderModel::get($post['workorderId']);
        if (!$workorder) self::sendError("Workorder not found.");

        $workorder->companyId = $post['companyId'];
        $workorder->status = 'assigned';
        $workorder->assignmentDate = time();
        $workorder->deadlineDate = $post['deadlineDate'] ?? strtotime('+6 weeks');

        RMLWorkorderModel::update((array)$workorder);

        self::returnJson(['success' => true, 'message' => 'Auftrag erfolgreich zugewiesen.']);
    }

    protected function getDocumentationAction() {
        if(empty($this->request->workorderId)) self::sendError("Workorder ID missing.");

        $docs = RMLWorkorderDocumentationModel::getAll(['workorderId' => $this->request->workorderId], null, 0, ['key' => 'create', 'order' => 'DESC']);
        $journals = RMLWorkorderJournalModel::getAll(['workorderId' => $this->request->workorderId], null, 0, ['key' => 'create', 'order' => 'DESC']);
        $users = UserModel::search();

        foreach($docs as $doc) {
            $file = new File($doc->fileId);
            $doc->fileName = $file->orig_filename ?? $file->filename;
            $doc->userName = UserModel::getOne($doc->createBy)->name ?? 'Unbekannt';
            $doc->mimetype = $file->mimetype ?? 'application/octet-stream';
        }
        foreach($journals as $journal) {
            $journal->createByName = UserModel::getOne($journal->createBy)->name ?? 'Unbekannt';
        }
        self::returnJson(['docs' => $docs, 'journals' => $journals]);
    }

    protected function massAssignWorkordersAction() {
        $post = json_decode(file_get_contents('php://input'), true);
        if (empty($post['workorderIds']) || empty($post['companyId'])) self::sendError("Required fields are missing.");

        $deadline = strtotime($post['deadlineDate'] ?? '+6 weeks');
        $count = 0;
        foreach ($post['workorderIds'] as $workorderId) {
            $workorder = RMLWorkorderModel::get($workorderId);
            if ($workorder && $workorder->status === 'new') {
                $workorder->companyId = $post['companyId'];
                $workorder->status = 'assigned';
                $workorder->assignmentDate = time();
                $workorder->deadlineDate = $deadline;
                RMLWorkorderModel::update((array)$workorder);
                $count++;
            }
        }
        self::returnJson(['success' => true, 'message' => "$count Aufträge erfolgreich zugewiesen."]);
    }

    protected function requestCorrectionAction() {
        $post = json_decode(file_get_contents('php://input'), true);
        if (empty($post['workorderId']) || empty($post['text'])) self::sendError("Required fields are missing.");

        $workorder = RMLWorkorderModel::get($post['workorderId']);
        if (!$workorder) self::sendError("Workorder not found.");

        $oldStatus = $workorder->status;
        $workorder->status = 'correction_requested';
        RMLWorkorderModel::update((array)$workorder);

        RMLWorkorderJournalModel::create([
            'workorderId' => $workorder->id,
            'text' => $post['text'],
            'fileIds' => !empty($post['fileIds']) ? json_encode($post['fileIds']) : null,
            'statusChange' => "$oldStatus -> correction_requested",
            'create' => time(),
            'createBy' => $this->user->id,
        ]);

        self::returnJson(['success' => true, 'message' => 'Korrektur wurde angefordert.']);
    }

    protected function getCompaniesAction() {
        $companies = RMLWorkorderCompanyModel::getAll([], null, 0, ['key' => 'name', 'order' => 'ASC']);
        $items = array_map(fn($c) => ['value' => $c->id, 'text' => $c->name], $companies);
        self::returnJson($items);
    }

    protected function addJournalAction() {
        $post = json_decode(file_get_contents('php://input'), true);

        if (empty($post['workorderId']) || empty(trim($post['text']))) {
            self::sendError("Workorder ID and text are required.");
        }

        RMLWorkorderJournalModel::create([
            'workorderId' => $post['workorderId'],
            'text' => $post['text'],
            'createBy' => $this->user->id,
            'create' => time(),
        ]);

        $journals = array_map(
            function ($j) {
                $j->createByName = UserModel::getOne($j->createBy)->name ?? 'Unbekannt';
                return (array)$j;
            },
            RMLWorkorderJournalModel::getAll(['workorderId' => $post['workorderId']], null, 0, ['key' => 'create', 'order' => 'DESC'])
        );

        self::returnJson([
            'success' => true,
            'message' => 'Journal-Eintrag hinzugefügt.',
            'journals' => $journals
        ]);
    }

    protected function updateDeadlineAction() {
        $post = json_decode(file_get_contents('php://input'), true);
        if (empty($post['workorderId']) || empty($post['deadlineDate'])) self::sendError("Required fields are missing.");

        $workorder = RMLWorkorderModel::get($post['workorderId']);
        if (!$workorder) self::sendError("Workorder not found.");

        $workorder->deadlineDate = $post['deadlineDate'];
        RMLWorkorderModel::update((array)$workorder);

        RMLWorkorderJournalModel::create([
            'workorderId' => $workorder->id,
            'text' => 'Deadline wurde auf ' . date('d.m.Y', $post['deadlineDate']) . ' geändert.',
            'create' => time(),
            'createBy' => $this->user->id,
        ]);

        self::returnJson(['success' => true, 'message' => 'Deadline erfolgreich aktualisiert.']);
    }

    protected function acceptDocumentationAction() {
        $post = json_decode(file_get_contents('php://input'), true);
        if (empty($post['workorderId'])) self::sendError("Workorder ID is missing.");

        $workorder = RMLWorkorderModel::get($post['workorderId']);
        if (!$workorder) self::sendError("Workorder not found.");

        if ($workorder->status !== 'documented') {
            self::sendError("Die Dokumentation muss zuerst von der Firma als fertig markiert werden.");
        }

        $oldStatus = $workorder->status;
        $workorder->status = 'completed';
        RMLWorkorderModel::update((array)$workorder);

        RMLWorkorderJournalModel::create([
            'workorderId' => $workorder->id,
            'text' => 'Dokumentation wurde akzeptiert und der Auftrag abgeschlossen.',
            'statusChange' => "$oldStatus -> completed",
            'create' => time(),
            'createBy' => $this->user->id,
        ]);

        self::returnJson(['success' => true, 'message' => 'Dokumentation akzeptiert und Auftrag abgeschlossen.']);
    }
}