<?php
require_once 'conn.php';
checkLogin();

// 辅助函数


function textDecode($str) {
    return htmlspecialchars_decode($str, ENT_QUOTES);
}


function htmlDecode($str) {
    return htmlspecialchars_decode($str, ENT_QUOTES);
}

$act = $_GET['act'] ?? '';
$urlStr = '';

// 处理保存操作
if ($act == "save") {
    $isedit = false;
    $id = $_POST['id'] ?? '';
    if (!empty($id) && is_numeric($id)) {
        $isedit = true;
    }
    
    // 获取表单数据
    $cs_code = textEncode($_POST['cs_code']);
    $cs_company = textEncode($_POST['cs_company']);
    $cs_name = textEncode($_POST['cs_name']);
    $cs_belong = $_POST['cs_belong'];
    $cs_country = $_POST['cs_country'];
    $cs_from = $_POST['cs_from'];
    $cs_tel = textEncode($_POST['cs_tel']);
    $cs_email = textEncode($_POST['cs_email']);
    $cs_whatsapp = textEncode($_POST['cs_whatsapp']);
    $cs_wechat = textEncode($_POST['cs_wechat']);
    $cs_linkedin = textEncode($_POST['cs_linkedin']);
    $cs_facebook = textEncode($_POST['cs_facebook']);
    $cs_alibaba = textEncode($_POST['cs_alibaba']);
    $cs_state = $_POST['cs_state'];
    $cs_deal = $_POST['cs_deal'];
    $no_content = htmlEncode($_POST['no_content']);
    $allowedit = isset($_POST['allowedit']) ? 1 : 0;

    if ($isedit) {
        // 更新现有记录
        $sql = "SELECT cs_chain FROM customer WHERE id = $id";
        $result = mysqli_query($conn, $sql);
        if ($row = mysqli_fetch_assoc($result)) {
            $cs_chain = $row['cs_chain'];
            $chain_array = explode(',', $cs_chain);
            $last_item = end($chain_array);
            
            if ($last_item != $cs_belong) {
                $cs_chain .= ",$cs_belong";
            }
            
            $sql = "UPDATE customer SET 
                    cs_code = '$cs_code',
                    cs_company = '$cs_company',
                    cs_name = '$cs_name',
                    cs_belong = '$cs_belong',
                    cs_country = '$cs_country',
                    cs_from = '$cs_from',
                    cs_tel = '$cs_tel',
                    cs_email = '$cs_email',
                    cs_whatsapp = '$cs_whatsapp',
                    cs_wechat = '$cs_wechat',
                    cs_linkedin = '$cs_linkedin',
                    cs_facebook = '$cs_facebook',
                    cs_alibaba = '$cs_alibaba',
                    cs_state = '$cs_state',
                    cs_deal = '$cs_deal',
                    cs_note = '$no_content',
                    allowedit = $allowedit,
                    cs_chain = '$cs_chain',
                    cs_updatetime = NOW()
                    WHERE id = $id";
                    
            mysqli_query($conn, $sql);
            
            $page = $_GET['Page'] ?? '';
            $keys = urlencode($_GET['Keys'] ?? '');
            header("Location: ?keys=$keys&Page=$page$urlStr");
            exit;
        }
    }
}

// 处理编辑操作
if ($act == "edit") {
    $id = $_GET['id'] ?? '';
    $isedit = false;
    if (!empty($id) && is_numeric($id)) {
        $isedit = true;
    }
    
    if ($isedit) {
        $sql = "SELECT c.*, n.c_code FROM customer c 
                LEFT JOIN myNote n ON c.cs_code = n.c_code 
                WHERE c.id = $id";
        $result = mysqli_query($conn, $sql);
        if ($row = mysqli_fetch_assoc($result)) {
            $cs_code = textDecode($row['cs_code']);
            $cs_company = textDecode($row['cs_company']);
            $cs_name = textDecode($row['cs_name']);
            $cs_country = $row['cs_country'];
            $cs_from = $row['cs_from'];
            $cs_tel = textDecode($row['cs_tel']);
            $cs_telBu = textDecode($row['cs_telBu']);
            $cs_email = textDecode($row['cs_email']);
            $cs_emailBu = textDecode($row['cs_emailBu']);
            $cs_whatsapp = textDecode($row['cs_whatsapp']);
            $cs_whatsappBu = textDecode($row['cs_whatsappBu']);
            $cs_wechat = textDecode($row['cs_wechat']);
            $cs_wechatBu = textDecode($row['cs_wechatBu']);
            $cs_linkedin = textDecode($row['cs_linkedin']);
            $cs_linkedinBu = textDecode($row['cs_linkedinBu']);
            $cs_facebook = textDecode($row['cs_facebook']);
            $cs_facebookBu = textDecode($row['cs_facebookBu']);
            $cs_alibaba = textDecode($row['cs_alibaba']);
            $cs_alibabaBu = textDecode($row['cs_alibabaBu']);
            $cs_address = textDecode($row['cs_address']);
            $cs_addtime = $row['cs_addtime'];
            $cs_updatetime = $row['cs_updatetime'];
            $cs_belong = $row['cs_belong'];
            $cs_state = $row['cs_state'];
            $cs_deal = $row['cs_deal'];
            $cs_note = htmlDecode($row['cs_note']);
            $allowedit = $row['allowedit'];
        }
    }
}

// 处理批量操作
if ($act == "postchk") {
    if (isset($_POST['chkbox']) && isset($_POST['chkact'])) {
        $chkact = $_POST['chkact'];
        $ids = implode(',', array_map('intval', $_POST['chkbox']));
        
        switch($chkact) {
            case "0":
            case "1":
                $sql = "UPDATE customer SET cs_state = $chkact WHERE id IN ($ids)";
                break;
            case "-1":
                $sql = "DELETE FROM customer WHERE id IN ($ids)";
                break;
        }
        
        if (isset($sql)) {
            mysqli_query($conn, $sql);
        }
        
        $keys = urlencode($_GET['Keys'] ?? '');
        $page = $_GET['Page'] ?? '';
        header("Location: ?keys=$keys&Page=$page$urlStr");
        exit;
    }
}

// 处理筛选条件
$fliterQudao = $_GET['fliterQudao'] ?? '';
$fliterDeal = $_GET['fliterDeal'] ?? '';
$fliterTeam = $_GET['fliterTeam'] ?? '';
$fliterContact = $_GET['fliterContact'] ?? '';
$fliterEmployee = $_GET['fliterEmployee'] ?? '';

$fliterStr = "";

if (!empty($fliterQudao)) {
    $fliterStr .= " AND cs_from = " . intval($fliterQudao);
    $urlStr .= "&fliterQudao=" . $fliterQudao;
}

if (!empty($fliterDeal)) {
    $fliterStr .= " AND cs_deal = " . intval($fliterDeal);
    $urlStr .= "&fliterDeal=" . $fliterDeal;
}

if (!empty($fliterTeam)) {
    $fliterStr .= " AND (cs_belong = " . intval($fliterTeam) . 
                  " OR cs_belong IN (SELECT id FROM employee WHERE em_role = " . intval($fliterTeam) . "))";
    $urlStr .= "&fliterTeam=" . $fliterTeam;
}

if (!empty($fliterEmployee)) {
    $fliterStr .= " AND cs_belong = " . intval($fliterEmployee);
    $urlStr .= "&fliterEmployee=" . $fliterEmployee;
}

if (!empty($fliterContact)) {
    switch($fliterContact) {
        case "1": $fliterStr .= " AND cs_tel != ''"; break;
        case "2": $fliterStr .= " AND cs_wechat != ''"; break;
        case "3": $fliterStr .= " AND cs_whatsapp != ''"; break;
        case "4": $fliterStr .= " AND cs_email != ''"; break;
        case "5": $fliterStr .= " AND cs_linkedin != ''"; break;
        case "6": $fliterStr .= " AND cs_facebook != ''"; break;
        case "7": $fliterStr .= " AND cs_alibaba != ''"; break;
    }
    $urlStr .= "&fliterContact=" . $fliterContact;
}

// 搜索和排序
$keys = $_GET['Keys'] ?? '';
$keyscode = textEncode($keys);
$page = $_GET['Page'] ?? 1;
$ord = $_GET['Ord'] ?? '';

$ordStr = !empty($ord) ? "$ord," : "";

// 构建查询SQL
$sqlStr = "SELECT id, cs_code, cs_name, cs_country, cs_address, cs_tel, cs_email, 
           cs_whatsapp, cs_wechat, cs_linkedin, cs_facebook, cs_addtime, cs_alibaba,
           cs_from, cs_deal, cs_updatetime, cs_belong, cs_note, cs_claimFrom, cs_chain, 
           cs_dealdate 
           FROM customer 
           WHERE (cs_code LIKE '%$keyscode%' 
           OR cs_name LIKE '%$keyscode%' 
           OR cs_wechat LIKE '%$keyscode%' 
           OR cs_alibaba LIKE '%$keyscode%' 
           OR cs_telformat LIKE '%$keyscode%' 
           OR cs_whatsappformat LIKE '%$keyscode%' 
           OR cs_email LIKE '%$keyscode%') 
           $fliterStr 
           ORDER BY {$ordStr}cs_updatetime DESC";

?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>客户列表</title>
    <link rel="stylesheet" href="css/common.css" type="text/css" />
    <link rel="stylesheet" href="css/alert.css" type="text/css" />
    <script src="js/jquery-1.7.2.min.js"></script>
    <script src="js/js.js"></script>


    <style>
        body {
            margin: 0;
            padding: 20px;
            background: #fff;
        }
        #man_zone {
            margin-left: 0;

        }
    </style>
</head>
<body>
<div id="man_zone">
<?php
$keys = $_GET['Keys'] ?? '';
$keys = str_replace([" ", "+"], "", $keys);
$keyscode = textEncode($keys);
$page = $_GET['Page'] ?? 1;

$filters = [
    'Country' => $_GET['fliterCountry'] ?? '',
    'Qudao' => $_GET['fliterQudao'] ?? '',
    'Deal' => $_GET['fliterDeal'] ?? '',
    'Business' => $_GET['fliterBusiness'] ?? '',
    'Contact' => $_GET['fliterContact'] ?? ''
];

$filterStr = "";
$urlStr = "";

// Build filter conditions
if (!empty($filters['Country'])) {
    $filterStr .= " AND cs_country=" . (int)$filters['Country'];
    $urlStr .= "&fliterCountry=" . $filters['Country'];
}

if (!empty($filters['Qudao'])) {
    $filterStr .= " AND cs_from=" . (int)$filters['Qudao'];
    $urlStr .= "&fliterQudao=" . $filters['Qudao'];
}

if (!empty($filters['Deal'])) {
    $filterStr .= " AND cs_deal=" . (int)$filters['Deal'];
    $urlStr .= "&fliterDeal=" . $filters['Deal'];
}

if (!empty($filters['Business'])) {
    $filterStr .= " AND cs_type=" . (int)$filters['Business'];
    $urlStr .= "&fliterBusiness=" . $filters['Business'];
}

if (!empty($filters['Contact'])) {
    switch ($filters['Contact']) {
        case "1": $filterStr .= " AND cs_tel<>''"; break;
        case "2": $filterStr .= " AND cs_wechat<>''"; break;
        case "3": $filterStr .= " AND cs_whatsapp<>''"; break;
        case "4": $filterStr .= " AND cs_email<>''"; break;
        case "5": $filterStr .= " AND cs_linkedin<>''"; break;
        case "6": $filterStr .= " AND cs_facebook<>''"; break;
        default: $filterStr .= " AND cs_alibaba<>''";
    }
    $urlStr .= "&fliterContact=" . $filters['Contact'];
}

$keys = urlencode($keys);
$hrefstr = "?keys=" . $keys;
?>

<form id="form1" method="post" action="?act=postchk&Keys=<?= $keys ?>&Page=<?= $page ?>" onSubmit="return false">
    <div class="fastSelect clear">
        <H1>搜索条件</H1>
        <div class="selectItem">
            <label>区域</label>
            <select name="fliterCountry" class="filterSearch">
                <option value="">请选择国家地区</option>
                <?php
                $result = $conn->query("SELECT id, countryName FROM country");
                while ($row = $result->fetch_assoc()) {
                    $selected = ($filters['Country'] == $row['id']) ? ' selected' : '';
                    echo "<option value=\"{$row['id']}\"$selected>{$row['countryName']}</option>";
                }
                ?>
            </select>
        </div>
        <div class="selectItem">
            <label>来源渠道</label>
            <select name="fliterQudao" class="filterSearch">
                <option value="">请选择渠道</option>
                <?php
                $result = $conn->query("SELECT id, ch_name FROM qudao");
                while ($row = $result->fetch_assoc()) {
                    $selected = ($filters['Qudao'] == $row['id']) ? ' selected' : '';
                    echo "<option value=\"{$row['id']}\"$selected>{$row['ch_name']}</option>";
                }
                ?>
            </select>
        </div>
        <div class="selectItem">
            <label>跟进阶段</label>
            <select name="fliterDeal" class="filterSearch">
                <option value="">请选择</option>
                <option value="1"<?= ($filters['Deal'] == "1") ? ' selected' : '' ?>>背景调查</option>
                <option value="2"<?= ($filters['Deal'] == "2") ? ' selected' : '' ?>>明确需求</option>
                <option value="3"<?= ($filters['Deal'] == "3") ? ' selected' : '' ?>>已成交</option>
            </select>
        </div>
        <div class="selectItem">
            <label>客户类型</label>
            <select name="fliterBusiness" class="filterSearch">
                <option value="">请选择</option>
                <?php
                $result = $conn->query("SELECT id, businessType FROM clientType");
                while ($row = $result->fetch_assoc()) {
                    $selected = ($filters['Business'] == $row['id']) ? ' selected' : '';
                    echo "<option value=\"{$row['id']}\"$selected>{$row['businessType']}</option>";
                }
                ?>
            </select>
        </div>
        <div class="selectItem">
            <label>联系方式</label>
            <select name="fliterContact" class="filterSearch">
                <option value="">请选择</option>
                <option value="1"<?= ($filters['Contact'] == "1") ? ' selected' : '' ?>>电话</option>
                <option value="2"<?= ($filters['Contact'] == "2") ? ' selected' : '' ?>>微信</option>
                <option value="3"<?= ($filters['Contact'] == "3") ? ' selected' : '' ?>>WhatsApp</option>
                <option value="4"<?= ($filters['Contact'] == "4") ? ' selected' : '' ?>>邮箱</option>
                <option value="5"<?= ($filters['Contact'] == "5") ? ' selected' : '' ?>>领英</option>
                <option value="6"<?= ($filters['Contact'] == "6") ? ' selected' : '' ?>>Facebook</option>
                <option value="7"<?= ($filters['Contact'] == "7") ? ' selected' : '' ?>>阿里巴巴</option>
            </select>
        </div>
        <div class="inputSearch">
            <input type="text" id="keys" class="inputTxt" 
                value="<?= empty($keyscode) ? '请输入搜索关键词' : $keyscode ?>" 
                onFocus="if(this.value == '<?= empty($keyscode) ? '请输入搜索关键词' : $keyscode ?>'){this.value='';}" 
                onBlur="if(this.value == ''){this.value='<?= empty($keyscode) ? '请输入搜索关键词' : $keyscode ?>';}" 
                onKeyDown="if(event.keyCode==13){location.href='?Keys='+escape(document.getElementById('keys').value)}" />
            <input type="button" id="searchgo" class="searchgo" value="go" 
                onClick="location.href='?Keys='+escape(document.getElementById('keys').value)" />
        </div>
    </div>

    <div class="table2 em<?= $_SESSION['employee_id'] ?>">
        <div class="theader">
            <div class="col1"><input type="checkbox" name="chkall" id="chkall" onClick="chkboxall(this,'chkbox')" /></div>
            <div class="col2">序号</div>
            <div class="col3">客户编号</div>
            <div class="col4">渠道来源</div>
            <div class="col5">区域</div>
            <div class="col6">客户类型</div>
            <div class="col6">跟进阶段</div>
            <div class="colmark">颜色标记</div>
            <div class="col6">录入时间</div>
            <div class="col9">操作</div>
        </div>

        <?php
        $sql = "SELECT id, cs_code, cs_from, cs_country, cs_type, cs_deal, cs_addtime, 
                cs_tel, cs_email, cs_whatsapp, cs_wechat, cs_linkedin, cs_facebook, 
                cs_alibaba, colortag, cs_note, cs_claimFrom 
                FROM customer 
                WHERE is_silent=0 AND cs_deal>0 AND cs_belong=" . (int)$_SESSION['employee_id'];
        
        $searchPattern = mysqli_real_escape_string($conn, $keyscode);
        if(!empty($searchPattern)) {
            $sql .= " AND (cs_code LIKE '%$searchPattern%' 
                    OR cs_name LIKE '%$searchPattern%' 
                    OR cs_email LIKE '%$searchPattern%'
                    OR cs_wechat LIKE '%$searchPattern%' 
                    OR cs_telformat LIKE '%$searchPattern%'
                    OR cs_whatsappformat LIKE '%$searchPattern%' 
                    OR cs_code LIKE '%$searchPattern%')";
        }
        
        $sql .= " $filterStr ORDER BY colortag DESC, id DESC";
        
        $result = mysqli_query($conn, $sql);

        // Pagination logic
        $perPage = 20;
        $totalRecords = mysqli_num_rows($result);
        $totalPages = max(1, ceil($totalRecords / $perPage));
        $page = max(1, min((int)$page, $totalPages));
        $offset = max(0, ($page - 1) * $perPage);

        // Add pagination to query
        $sql .= " LIMIT $offset, $perPage";
        $result = mysqli_query($conn, $sql);

        if (mysqli_num_rows($result) > 0) {
            $tempNum = $offset;
            while ($row = mysqli_fetch_assoc($result)) {
                $tempNum++;
                ?>
                <div class="tline color<?= $row['colortag'] ?>">
                    <div class="col1" align="center"><input type="checkbox" name="chkbox" value="<?= $row['id'] ?>" /></div>
                    <div class="col2"><?= $tempNum ?></div>
                    <div class="col3 slidepanel"><?= $row['cs_code'] ?>
                        <?php if ($row['cs_claimFrom'] > 0): ?>
                            <img src="../images/yijiao.png" class="handover" title="来自认领">
                        <?php endif; ?>
                    </div>
                    <div class="col4">
                        <?php
                        $qudao = $conn->query("SELECT ch_name FROM qudao WHERE id=" . (int)$row['cs_from']);
                        echo $qudao->num_rows > 0 ? $qudao->fetch_assoc()['ch_name'] : '未填写';
                        ?>
                    </div>
                    <div class="col5">
                        <?php
                        $country = $conn->query("SELECT countryName FROM country WHERE id=" . (int)$row['cs_country']);
                        echo $country->num_rows > 0 ? $country->fetch_assoc()['countryName'] : '未填写';
                        ?>
                    </div>
                    <div class="col6">
                        <?php
                        $clientType = $conn->query("SELECT businessType FROM clientType WHERE id=" . (int)$row['cs_type']);
                        echo $clientType->num_rows > 0 ? $clientType->fetch_assoc()['businessType'] : '未填写';
                        ?>
                    </div>
                    <div class="col6">
                        <?php
                        switch ($row['cs_deal']) {
                            case 3: echo '<span style="color:red;">成交</span>'; break;
                            case 2: echo '明确需求'; break;
                            case 1: echo '背景调查'; break;
                            default: echo '无响应';
                        }
                        ?>
                    </div>
                    <div class="colmark colormark">
                        <ul class="colorlist" data-id="<?= $row['id'] ?>">
                            <li value="1" class="color1"></li>
                            <li value="2" class="color2"></li>
                            <li value="3" class="color3"></li>
                            <li value="4" class="color4"></li>
                            <li value="0" class="color0"></li>
                        </ul>
                    </div>
                    <div class="col6"><?= $row['cs_addtime'] ?></div>
                    <div class="col9">
                        <a href="customerEdit.php?Keys=<?= $keys ?>&fliterDeal=<?= $filters['Deal'] ?>&fliterBusiness=<?= $filters['Business'] ?>&Page=<?= $page ?>&act=edit&id=<?= $row['id'] ?>" class="ico_edit ico">修改</a>
                    </div>
                </div>
                <div class="notepanel clear">
                    <div class="noteItem">联系方式</div>
                    <div class="lx">
                        <div class="tel"><?= $row['cs_tel'] ?></div>
                        <div class="mail"><a href="mailto:<?= $row['cs_email'] ?>"><?= $row['cs_email'] ?></a></div>
                        <div class="whatsapp"><?= $row['cs_whatsapp'] ?></div>
                        <div class="wechat"><?= $row['cs_wechat'] ?></div>
                        <div class="linkedin"><?= $row['cs_linkedin'] ?></div>
                        <div class="facebook"><?= $row['cs_facebook'] ?></div>
                        <div class="alibaba"><?= $row['cs_alibaba'] ?></div>
                    </div>
                    <div class="noteItem2">备注</div>
                    <div class="notecontent"><?= htmlUnCode($row['cs_note']) ?></div>
                </div>
                <?php
            }
        } else {
            if (empty($keys)) {
                echo '<tr><div align="center" colspan="9">Sorry，当前暂无信息</div></tr>';
            } else {
                echo '<tr><div align="center" colspan="9"><a href="?">Sorry，没有找到"' . 
                     htmlspecialchars($keyscode) . '"相关的信息，点击返回</a></div></tr>';
            }
        }
        ?>

        <div colspan="9">
            <div class="showpagebox">
                <?php
                if ($totalPages > 1) {
                    $pageName = "?Keys=$keys$urlStr&";
                    $pageLen = 3;

                    if ($page > 1) {
                        echo "<a href=\"{$pageName}Page=1\">首页</a>";
                        echo "<a href=\"{$pageName}Page=" . ($page - 1) . "\">上一页</a>";
                    }

                    if ($pageLen * 2 + 1 >= $totalPages) {
                        $startPage = 1;
                        $endPage = $totalPages;
                    } else {
                        if ($page <= $pageLen + 1) {
                            $startPage = 1;
                            $endPage = $pageLen * 2 + 1;
                        } else {
                            $startPage = $page - $pageLen;
                            $endPage = $page + $pageLen;
                        }
                        if ($page + $pageLen > $totalPages) {
                            $startPage = $totalPages - $pageLen * 2;
                            $endPage = $totalPages;
                        }
                    }

                    for ($i = $startPage; $i <= $endPage; $i++) {
                        if ($i == $page) {
                            echo "<a class=\"current\">$i</a>";
                        } else {
                            echo "<a href=\"{$pageName}Page=$i\">$i</a>";
                        }
                    }

                    if ($page < $totalPages) {
                        if ($totalPages - $page > $pageLen) {
                            echo "<a href=\"{$pageName}Page=$totalPages\">...$totalPages</a>";
                        }
                        echo "<a href=\"{$pageName}Page=" . ($page + 1) . "\">下一页</a>";
                        echo "<a href=\"{$pageName}Page=$totalPages\">尾页</a>";
                    }
                }
                ?>
            </div>
            <?php require_once 'postchkbox.php'; ?>
        </div>
    </div>
</form>
</div>
</body>
</html>