<?php
require_once($_SERVER['DOCUMENT_ROOT'] . "/session.php");
require_once($_SERVER['DOCUMENT_ROOT'] . "/lib/mydb.php");

$pdo = db_connect();

// POST 요청인지 GET 요청인지 확인
$isPostRequest = $_SERVER['REQUEST_METHOD'] === 'POST';

if ($isPostRequest) {
    // POST 요청: JSON 응답 (존재 여부 확인용)
    $search_keyword = $_POST['search_keyword'] ?? '';
    $item_sep = $_POST['item_sep'] ?? '';
    $model_UA = $_POST['model_UA'] ?? '';
    $item_spec = $_POST['item_spec'] ?? '';
    $itemName = $_POST['itemName'] ?? '';
    $material = $_POST['material'] ?? '';
    $item_bending = $_POST['item_bending'] ?? '';
    
    // SQL 쿼리 구성
    $sql = "SELECT * FROM {$DB}.bending WHERE is_deleted IS NULL";
    $params = [];
    
    // 각 필터 조건 추가
    if (!empty($item_sep)) {
        $sql .= " AND item_sep = :item_sep";
        $params[':item_sep'] = $item_sep;
    }
    
    if (!empty($model_UA)) {
        $sql .= " AND model_UA = :model_UA";
        $params[':model_UA'] = $model_UA;
    }
    
    if (!empty($item_spec)) {
        $sql .= " AND item_spec = :item_spec";
        $params[':item_spec'] = $item_spec;
    }
    
    if (!empty($itemName)) {
        $sql .= " AND itemName = :itemName";
        $params[':itemName'] = $itemName;
    }
    
    if (!empty($material)) {
        $sql .= " AND material = :material";
        $params[':material'] = $material;
    }
    
    if (!empty($item_bending)) {
        $sql .= " AND item_bending = :item_bending";
        $params[':item_bending'] = $item_bending;
    }
    
    if (!empty($search_keyword)) {
        $searchTerm = '%' . $search_keyword . '%';
        $sql .= " AND (itemName LIKE :search_name OR material LIKE :search_material OR item_sep LIKE :search_sep OR item_bending LIKE :search_bending OR model_UA LIKE :search_ua)";
        $params[':search_name'] = $searchTerm;
        $params[':search_material'] = $searchTerm;
        $params[':search_sep'] = $searchTerm;
        $params[':search_bending'] = $searchTerm;
        $params[':search_ua'] = $searchTerm;
    }
    
    $sql .= " ORDER BY num DESC LIMIT 1";
    
    $stmt = $pdo->prepare($sql);
    $stmt->execute($params);
    $result = $stmt->fetch(PDO::FETCH_ASSOC);
    
    // JSON 응답 반환
    header('Content-Type: application/json');
    if ($result) {
        echo json_encode([
            'success' => true,
            'data' => $result
        ]);
    } else {
        echo json_encode([
            'success' => false,
            'data' => null
        ]);
    }
    exit;
} else {
    // GET 요청: HTML 응답 (검색 결과 표시용)
    // GET 파라미터 받기 - JavaScript에서 보내는 파라미터 이름과 일치
    $selectedItem = $_GET['selectedItem'] ?? '';
    $selectedUA = $_GET['selectedUA'] ?? '';
    $selectedBendingCategory = $_GET['selectedBendingCategory'] ?? '';
    $selectedName = $_GET['selectedName'] ?? '';
    $selectedMaterial = $_GET['selectedMaterial'] ?? '';
    $search = $_GET['search'] ?? '';

    // SQL 쿼리 구성
    $sql = "SELECT * FROM {$DB}.bending WHERE is_deleted IS NULL";
    $params = [];

    // 대분류 필터 (item_sep)
    if (!empty($selectedItem)) {
        $sql .= " AND item_sep = :selectedItem";
        $params[':selectedItem'] = $selectedItem;
    }

    // 인정/비인정 필터 (model_UA)
    if (!empty($selectedUA)) {
        $sql .= " AND model_UA = :selectedUA";
        $params[':selectedUA'] = $selectedUA;
    }

    // 중분류 필터 (item_bending)
    if (!empty($selectedBendingCategory)) {
        $sql .= " AND item_bending = :selectedBendingCategory";
        $params[':selectedBendingCategory'] = $selectedBendingCategory;
    }

    // 품명 필터 (itemName)
    if (!empty($selectedName)) {
        $sql .= " AND itemName = :selectedName";
        $params[':selectedName'] = $selectedName;
    }

    // 재질 필터 (material)
    if (!empty($selectedMaterial)) {
        $sql .= " AND material = :selectedMaterial";
        $params[':selectedMaterial'] = $selectedMaterial;
    }
    // 검색어 필터 (모든 텍스트 필드에서 검색)
    if (!empty($search)) {
        $searchTerm = '%' . $search . '%';
        $sql .= " AND (itemName LIKE :search_name OR material LIKE :search_material OR item_sep LIKE :search_sep OR item_bending LIKE :search_bending OR model_UA LIKE :search_ua)";
        $params[':search_name'] = $searchTerm;
        $params[':search_material'] = $searchTerm;
        $params[':search_sep'] = $searchTerm;
        $params[':search_bending'] = $searchTerm;
        $params[':search_ua'] = $searchTerm;
    }

    $sql .= " ORDER BY num DESC";

    // 디버깅용 로그
    error_log("Search SQL: " . $sql);
    error_log("Search Params: " . print_r($params, true));

    $stmt = $pdo->prepare($sql);
    $stmt->execute($params);
    $results = $stmt->fetchAll(PDO::FETCH_ASSOC);

    // guiderail.json 읽기
    $jsonFile = $_SERVER['DOCUMENT_ROOT'].'/guiderail/guiderail.json';
    $guiderailData = [];
    if (file_exists($jsonFile)) {
        $jsonContent = file_get_contents($jsonFile);
        $guiderailData = json_decode($jsonContent, true);
        if (!is_array($guiderailData)) $guiderailData = [];
    }

    // 결과 출력
    if (empty($results)) {
        echo '<tr><td colspan="9" class="text-center">검색 결과가 없습니다.</td></tr>';
    } else {
        foreach ($results as $row) {
            $num = $row['num'];
            $itemName = $row['itemName'] ?? '';
            $material = $row['material'] ?? '';
            $item_sep = $row['item_sep'] ?? '';
            $item_spec = $row['item_spec'] ?? '';
            $item_bending = $row['item_bending'] ?? '';
            $model_UA = $row['model_UA'] ?? '';
            $imgdata = $row['imgdata'] ?? '';
            $widthsum = $row['widthsum'] ?? '';        
            $summary = '';        
            // bending/write_form.php와 동일한 구조로 데이터 구성
            $inputList = $row['inputList'] ?? [];
            $bendingrateList = $row['bendingrateList'] ?? [];
            $sumList = $row['sumList'] ?? [];
            $colorList = $row['colorList'] ?? [];
            $AList = $row['AList'] ?? [];
            $registration_date = $row['registration_date'] ?? '';

            // 연신율계산 후 값 계산 (bending/write_form.php의 calculateSum 함수와 동일)
            $calcAfterList = [];
            $accumulated = 0;
            for ($i = 0; $i < count($inputList); $i++) {
                $inp = floatval($inputList[$i] ?? 0);
                $bend = floatval($bendingrateList[$i] ?? 0);
                $diff = $inp + $bend; // 입력값 + 연신율
                $calcAfterList[] = $diff;
                $accumulated += $diff;
                $sumList[$i] = $accumulated;
            }
            
            $summary = htmlspecialchars(json_encode([
                'inputList' => $inputList,
                'bendingrateList' => $bendingrateList,
                'calcAfterList' => $calcAfterList,
                'sumList' => $sumList,
                'colorList' => $colorList,
                'AList' => $AList
            ], JSON_UNESCAPED_UNICODE), ENT_QUOTES, 'UTF-8');
            
            echo '<tr data-num="' . $num . '" class="search-result-row">';
            echo '<td class="text-center">';
            echo '<input class="form-check-input bending-item-checkbox" type="checkbox" data-num="' . $num . '">';
            echo '</td>';
            echo '<td class="text-center order-number" style="width: 60px; font-weight: bold; color: #007bff;">-</td>';
            echo '<td class="text-center">' . htmlspecialchars($registration_date, ENT_QUOTES, 'UTF-8') . '</td>';
            echo '<td class="text-center">' . htmlspecialchars($item_sep, ENT_QUOTES, 'UTF-8') . '</td>';
            echo '<td class="text-center">' . htmlspecialchars($model_UA, ENT_QUOTES, 'UTF-8') . '</td>';
            echo '<td class="text-center">' . htmlspecialchars($item_bending, ENT_QUOTES, 'UTF-8') . '</td>';
            echo '<td class="text-center">' . htmlspecialchars($itemName, ENT_QUOTES, 'UTF-8') . '</td>';
            echo '<td class="text-center">' . htmlspecialchars($item_spec, ENT_QUOTES, 'UTF-8') . '</td>';
            echo '<td class="text-center">' . htmlspecialchars($material, ENT_QUOTES, 'UTF-8') . '</td>';
            echo '<td class="text-center">';
            if ($imgdata) {
                echo '<img src="/bending/img/' . htmlspecialchars($imgdata, ENT_QUOTES, 'UTF-8') . '" 
                          class="search-zoomable-image" 
                          style="width: 40px; height: 24px; object-fit: cover; cursor: pointer;" 
                          data-src="/bending/img/' . htmlspecialchars($imgdata, ENT_QUOTES, 'UTF-8') . '">';
            }
            echo '</td>';
            // 합계 셀: data-summary 속성 추가        
            echo '<td class="text-center mini-summary-trigger" ' . ($summary ? 'data-summary=\'' . $summary . '\'' : '') . '>' . htmlspecialchars($widthsum, ENT_QUOTES, 'UTF-8') . '</td>';
            echo '</tr>';
        }
    }
}
?>