<?php

class AssetManagementModel extends TTCrudBaseModel {
    public int $id;
    public string $name;
    public ?string $description;
    public ?int $mainImageId; // Renamed from imageId
    public ?string $imageIds; // Changed to JSON (will be a string in PHP)
    public string $assetNumber;
    public string $location;
    public ?int $serviceDueDate;
    public ?int $mustReturnDate;
    public int $create;
    public int $createBy;

    /**
     * Retrieves all assets based on a filter, with special handling for 'assetDetails'.
     *
     * @param array $filter The filter criteria. If 'assetDetails' is present, it will perform a multi-field search.
     * @param int|null $limit The maximum number of records to return.
     * @param int $offset The starting offset for the records.
     * @param array $order The ordering criteria.
     * @return array An array of AssetManagementModel objects.
     */
    public static function getAll($filter = [], $limit = null, $offset = 0, $order = ["key" => null]): array {
        $db = self::getDB();
        $table = self::getFullyQualifiedTable();
        $customFilterSql = '';

        // Check if the intelligent 'assetDetails' filter is being used.
        if (!empty($filter['assetDetails'])) {
            $searchTerms = explode(' ', $filter['assetDetails']);
            $searchConditions = [];

            foreach ($searchTerms as $term) {
                if (empty(trim($term))) continue;
                $escapedTerm = $db->real_escape_string($term);
                // For each term, search in name, assetNumber, and description.
                $searchConditions[] = "(`name` LIKE '%$escapedTerm%' OR `assetNumber` LIKE '%$escapedTerm%' OR `description` LIKE '%$escapedTerm%')";
            }

            if (!empty($searchConditions)) {
                // All search terms must be found (AND logic).
                $customFilterSql = ' AND (' . implode(' AND ', $searchConditions) . ')';
            }
            // Remove the 'assetDetails' key to prevent errors in the standard filter generation.
        }
        unset($filter['assetDetails']);

        $sqlFilter = self::getSQLFilter($filter);

        if ($sqlFilter === '') {
            if ($customFilterSql !== '') {
                // If the base filter is empty but a custom filter exists, start with WHERE.
                $sqlFilter = 'WHERE' . ltrim($customFilterSql, ' AND');
            }
        } else {
            // If a base filter already exists, just append the custom one.
            $sqlFilter .= $customFilterSql;
        }

        $sql = "SELECT * FROM $table $sqlFilter";

        $sql .= $order['key'] === null ? " ORDER BY `id` ASC" : " ORDER BY `" . $order['key'] . "` " . $order['order'];
        $sql .= $limit === null ? "" : " LIMIT " . $limit . " OFFSET " . $offset;

        try {
            $result = $db->query($sql);
        } catch (Exception $e) {
            echo $sql;
            die($e->getMessage());
        }

        $rows = [];
        $class = get_called_class();
        while ($row = $result->fetch_assoc()) {
            $rows[] = new $class($row);
        }

        return $rows;
    }

    /**
     * Counts assets based on a filter, with special handling for 'assetDetails'.
     *
     * @param array $filter The filter criteria. If 'assetDetails' is present, it will perform a multi-field count.
     * @return int The total count of matching records.
     */
    public static function count($filter = []): int {
        $db = self::getDB();
        $table = self::getFullyQualifiedTable();
        $customFilterSql = '';

        // Check if the intelligent 'assetDetails' filter is being used.
        if (!empty($filter['assetDetails'])) {
            $searchTerms = explode(' ', $filter['assetDetails']);
            $searchConditions = [];

            foreach ($searchTerms as $term) {
                if (empty(trim($term))) continue;
                $escapedTerm = $db->real_escape_string($term);
                // For each term, search in name, assetNumber, and description.
                $searchConditions[] = "(`name` LIKE '%$escapedTerm%' OR `assetNumber` LIKE '%$escapedTerm%' OR `description` LIKE '%$escapedTerm%')";
            }

            if (!empty($searchConditions)) {
                // All search terms must be found (AND logic).
                $customFilterSql = ' AND (' . implode(' AND ', $searchConditions) . ')';
            }
            // Remove the 'assetDetails' key to prevent errors in the standard filter generation.
        }
        unset($filter['assetDetails']);

        $sqlFilter = self::getSQLFilter($filter);

        if ($sqlFilter === '') {
            if ($customFilterSql !== '') {
                // If the base filter is empty but a custom filter exists, start with WHERE.
                $sqlFilter = 'WHERE' . ltrim($customFilterSql, ' AND');
            }
        } else {
            // If a base filter already exists, just append the custom one.
            $sqlFilter .= $customFilterSql;
        }

        $sql = "SELECT COUNT(*) as count FROM $table $sqlFilter";
        $result = $db->query($sql);

        return $result->fetch_assoc()['count'];
    }
}