<?php
// +----------------------------------------------------------------------
// | Niucloud-admin 企业快速开发的多应用管理平台
// +----------------------------------------------------------------------
// | 官方网址：https://www.niucloud.com
// +----------------------------------------------------------------------
// | niucloud团队 版权所有 开源版本可自由商用
// +----------------------------------------------------------------------
// | Author: Niucloud Team
// +----------------------------------------------------------------------

namespace app\service\api\apiService;

use app\model\campus\Campus;
use app\model\campus_person_role\CampusPersonRole;
use app\model\chat_friends\ChatFriends;
use app\model\chat_messages\ChatMessages;
use app\model\dict\Dict;
use app\model\order_table\OrderTable;
use app\model\student\Student;
use core\base\BaseApiService;
use think\facade\Db;

/**
 * 订单管理-控制器服务层
 * Class MemberService
 * @package app\service\api\member
 */
class OrderTableService extends BaseApiService
{
    public function __construct()
    {
        parent::__construct();
    }

    //查询列表
    public function getList(array $where)
    {
        $page_params = $this->getPageParam();//获取请求参数中的页码+分页数
        $page = $page_params['page'];
        $limit = $page_params['limit'];

        $model = new OrderTable();

        //员工表id
        if (!empty($where['staff_id'])) {
            $model = $model->where('staff_id', $where['staff_id']);
        }

        //客户资源表id
        if (!empty($where['resource_id'])) {
            $model = $model->where('resource_id', $where['resource_id']);
        }

        //学生表id
        if (!empty($where['student_id'])) {
            $model = $model->where('student_id', $where['student_id']);
        }

        $data = $model
            ->append([
                'customerResources',
                'course',
                'classGrade',
                'personnel',
                'studentCourses'  // 添加学员课程关联
            ])
            ->order('created_at', 'desc')  // 使用created_at排序
            ->paginate([
                'list_rows' => $limit,
                'page' => $page,
            ])->toArray();

        return $data;
    }

    //查询详情
    public function getInfo(array $where)
    {
        $model = new OrderTable();
        //判断用没有员工id
        if (!empty($where['staff_id'])) {
            $model = $model->where('staff_id', $where['staff_id']);
        }
        //判断用没有客户资源id
        if (!empty($where['resource_id'])) {
            $model = $model->where('resource_id', $where['resource_id']);
        }
        $data = $model
            ->append([
                'customerResources',
                'course',
                'classGrade',
                'personnel'
            ])
            ->find();


        if ($data) {
            $data = $data->toArray();
            $res = [
                'code' => 1,
                'msg' => '操作成功',
                'data' => $data
            ];
            return $res;
        } else {
            $res = [
                'code' => 0,
                'msg' => '暂无数据',
                'data' => []
            ];
            return $res;
        }
    }

    //创建订单
    public function addData(array $data)
    {
        try {
            // 如果选择了赠品，验证赠品是否可用
            if (!empty($data['gift_id'])) {
                $giftValidation = $this->validateGift($data['gift_id'], $data['resource_id']);
                if (!$giftValidation['valid']) {
                    return [
                        'code' => 0,
                        'msg' => $giftValidation['message'],
                        'data' => []
                    ];
                }
            }

            $success = OrderTable::create($data);

            // 如果订单创建成功且使用了赠品，更新赠品状态
            if ($success && !empty($data['gift_id'])) {
                $this->updateGiftStatus($data['gift_id'], $success->id);
            }

            $res = [
                'code' => 1,
                'msg' => '操作成功',
                'data' => ['order_id' => $success->id ?? null]
            ];
            if (!$success) {
                $res = [
                    'code' => 0,
                    'msg' => '操作失败',
                    'data' => []
                ];
            }
            return $res;
        } catch (\Exception $e) {
            return [
                'code' => 0,
                'msg' => '创建订单异常: ' . $e->getMessage(),
                'data' => []
            ];
        }
    }

    //更新订单支付状态
    public function updatePaymentStatus(array $data)
    {
        try {
            $order = OrderTable::where('id', $data['order_id'])->find();
            if (!$order) {
                return [
                    'code' => 0,
                    'msg' => '订单不存在',
                    'data' => []
                ];
            }

            // 准备更新数据
            $updateData = [
                'order_status' => $data['order_status'],
                'updated_at' => date('Y-m-d H:i:s')
            ];

            // 如果提供了支付单号，则更新
            if (!empty($data['payment_id'])) {
                $updateData['payment_id'] = $data['payment_id'];
            }

            // 如果订单状态为已支付，记录支付时间
            if ($data['order_status'] === 'paid') {
                $updateData['payment_time'] = date('Y-m-d H:i:s');
            }

            $success = $order->save($updateData);

            if ($success) {
                // 如果订单状态变更为已支付，则执行完整的支付后处理流程
                if ($data['order_status'] === 'paid') {
                    $orderArray = $order->toArray();
                    $this->handlePaymentSuccess($orderArray);
                }

                return [
                    'code' => 1,
                    'msg' => '订单状态更新成功',
                    'data' => $order->toArray()
                ];
            } else {
                return [
                    'code' => 0,
                    'msg' => '订单状态更新失败',
                    'data' => []
                ];
            }
        } catch (\Exception $e) {
            return [
                'code' => 0,
                'msg' => '更新订单状态异常: ' . $e->getMessage(),
                'data' => []
            ];
        }
    }

    /**
     * 处理支付成功后的业务
     */
    public function handlePaymentSuccess(array $orderArray)
    {
        // 1. 为学员分配课程
        $this->assignCourseToStudent($orderArray);

        // 2. 创建合同签署记录
        $this->createContractSign($orderArray);

        // 3. 创建支付记录
        $this->createPaymentRecord($orderArray);

        // 4.处理赠品
        $this->handleGift($orderArray);
    }

    /**
     * 支付成功后为学员分配课程
     * @param array $orderData 订单数据
     * @return bool
     */
    private function assignCourseToStudent(array $orderData)
    {
        try {
            $student_id = $orderData['student_id'];
            $course_id = $orderData['course_id'];
            $resource_id = $orderData['resource_id'];

            if (empty($student_id) || empty($course_id)) {
                \think\facade\Log::warning('学员分配课程失败：缺少学员ID或课程ID', $orderData);
                return false;
            }

            // 获取课程信息
            $course = \app\model\course\Course::where('id', $course_id)->find();
            if (!$course) {
                \think\facade\Log::warning('学员分配课程失败：课程不存在', ['course_id' => $course_id]);
                return false;
            }
            $course = $course->toArray();
            Student::where('id', $student_id)->update(['status' => 1]);
            // 检查学员是否已有该课程记录
            $existingCourse = Db::table('school_student_courses')
                ->where('student_id', $student_id)
                ->where('course_id', $course_id)
                ->find();

            $now = date('Y-m-d H:i:s');
            $start_date = date('Y-m-d');
            $end_date = date('Y-m-d', strtotime('+' . $course['duration'] . ' days'));

            if ($existingCourse) {
                // 如果已有课程记录，计算新课程的开始时间
                // 新课程从现有课程结束后的第二天开始
                $new_start_date = date('Y-m-d', strtotime($existingCourse['end_date'] . ' +1 day'));
                $new_end_date = date('Y-m-d', strtotime($new_start_date . ' +' . $course['duration'] . ' days'));

                // 创建新的课程记录
                $insertData = [
                    'student_id' => $student_id,
                    'course_id' => $course_id,
                    'total_hours' => $course['session_count'],
                    'gift_hours' => $course['gift_session_count'],
                    'start_date' => $new_start_date,
                    'end_date' => $new_end_date,
                    'use_total_hours' => 0,
                    'use_gift_hours' => 0,
                    'single_session_count' => $course['single_session_count'],
                    'status' => 1, // 激活状态
                    'resource_id' => $resource_id,
                    'created_at' => $now,
                    'updated_at' => $now
                ];

                $result = Db::table('school_student_courses')->insert($insertData, true);
                
                // 更新订单表的课程计划ID
                if ($result) {
                    OrderTable::where('id', $orderData['id'])->update(['course_plan_id' => $result]);
                }

                \think\facade\Log::info('学员课程新增成功', [
                    'student_id' => $student_id,
                    'course_id' => $course_id,
                    'existing_end_date' => $existingCourse['end_date'],
                    'new_start_date' => $new_start_date,
                    'new_end_date' => $new_end_date,
                    'new_hours' => $course['session_count'],
                    'new_gift_hours' => $course['gift_session_count'],
                    'course_plan_id' => $result
                ]);
            } else {
                // 创建新的课程记录
                $insertData = [
                    'student_id' => $student_id,
                    'course_id' => $course_id,
                    'total_hours' => $course['session_count'],
                    'gift_hours' => $course['gift_session_count'],
                    'start_date' => $start_date,
                    'end_date' => $end_date,
                    'use_total_hours' => 0,
                    'use_gift_hours' => 0,
                    'single_session_count' => $course['single_session_count'],
                    'status' => 1, // 激活状态
                    'resource_id' => $resource_id,
                    'created_at' => $now,
                    'updated_at' => $now
                ];

                $result = Db::table('school_student_courses')->insert($insertData, true);
                
                // 更新订单表的课程计划ID
                if ($result) {
                    OrderTable::where('id', $orderData['id'])->update(['course_plan_id' => $result]);
                }
                
                \think\facade\Log::info('学员课程创建成功', [
                    'student_id' => $student_id,
                    'course_id' => $course_id,
                    'total_hours' => $course['session_count'],
                    'gift_hours' => $course['gift_session_count'],
                    'start_date' => $start_date,
                    'end_date' => $end_date,
                    'course_plan_id' => $result
                ]);
            }

            return $result ? true : false;
        } catch (\Exception $e) {
            \think\facade\Log::error('学员分配课程异常', [
                'order_data' => $orderData,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);
            return false;
        }
    }

    /**
     * 支付成功后创建合同签署记录
     * @param array $orderData 订单数据
     * @return bool
     */
    private function createContractSign(array $orderData)
    {
        try {
            $student_id = $orderData['student_id'];
            $course_id = $orderData['course_id'];

            if (empty($student_id) || empty($course_id)) {
                \think\facade\Log::warning('创建合同签署记录失败：缺少学员ID或课程ID', $orderData);
                return false;
            }

            // 获取课程的合同模板ID
            $course = \app\model\course\Course::where('id', $course_id)->find();
            if (!$course || empty($course['contract_id'])) {
                \think\facade\Log::warning('创建合同签署记录失败：课程无合同模板', ['course_id' => $course_id]);
                return false;
            }

            // 获取学员的user_id
            $student = \app\model\student\Student::where('id', $student_id)->find();
            if (!$student || empty($student['user_id'])) {
                \think\facade\Log::warning('创建合同签署记录失败：学员无user_id', ['student_id' => $student_id]);
                return false;
            }

            $now = date('Y-m-d H:i:s');
            $insertData = [
                'contract_id' => $course['contract_id'],
                'personnel_id' => $student['user_id'], // 用户合同场景下存储学员的user_id
                'student_id' => $student_id,
                'status' => 1, // 默认状态
                'source_type' => 'auto_course', // 来源类型：自动课程购买
                'source_id' => $orderData['id'], // 订单ID
                'type' => 2, // 标识为用户购买课程合同
                'created_at' => $now,
                'updated_at' => $now,
                'deleted_at' => 0
            ];

            $result = Db::table('school_contract_sign')->insert($insertData, true);

            if ($result) {
                // 更新订单表的合同模板ID（来自课程配置）
                OrderTable::where('id', $orderData['id'])->update(['contract_id' => $course['contract_id']]);
                // 创建签署记录成功后，为甲乙双方生成数据源配置记录
                $this->createDocumentDataSourceConfig($course['contract_id'], $orderData);

                \think\facade\Log::info('合同签署记录创建成功', [
                    'student_id' => $student_id,
                    'contract_id' => $course['contract_id'],
                    'order_id' => $orderData['id']
                ]);
            }

            return $result ? true : false;
        } catch (\Exception $e) {
            \think\facade\Log::error('创建合同签署记录异常', [
                'order_data' => $orderData,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);
            return false;
        }
    }

    /**
     * 为甲乙双方创建文档数据源配置记录
     * @param int $contract_id 合同ID
     * @param array $orderData 订单数据
     * @return bool
     */
    private function createDocumentDataSourceConfig($contract_id, $orderData)
    {
        try {
            // 获取合同模板的占位符配置
            $contract = Db::table('school_contract')->where('id', $contract_id)->find();
            if (!$contract || empty($contract['placeholder_config'])) {
                \think\facade\Log::warning('合同模板无占位符配置', ['contract_id' => $contract_id]);
                return false;
            }

            $placeholder_config = json_decode($contract['placeholder_config'], true);
            if (!is_array($placeholder_config)) {
                \think\facade\Log::warning('占位符配置格式错误', ['contract_id' => $contract_id]);
                return false;
            }

            $insert_data = [];
            $now = date('Y-m-d H:i:s');

            // 为每个占位符配置创建数据源记录
            foreach ($placeholder_config as $config) {
                $data_source_record = [
                    'contract_id' => $contract_id,
                    'placeholder' => $config['placeholder'] ?? '',
                    'data_type' => $config['data_type'] ?? 'user_input',
                    'system_function' => $config['system_function'] ?? '',
                    'table_name' => $config['table_name'] ?? '',
                    'field_name' => $config['field_name'] ?? '',
                    'field_type' => $config['field_type'] ?? 'text',
                    'is_required' => $config['is_required'] ?? 0,
                    'default_value' => $config['default_value'] ?? '',
                    'sign_party' => $config['sign_party'] ?? '',
                    'validation_rule' => $config['validation_rule'] ?? '',
                    'created_at' => $now,
                    'updated_at' => $now
                ];

                $insert_data[] = $data_source_record;
            }

            if (!empty($insert_data)) {
                $result = Db::table('school_document_data_source_config')->insertAll($insert_data);

                if ($result) {
                    \think\facade\Log::info('文档数据源配置创建成功', [
                        'contract_id' => $contract_id,
                        'order_id' => $orderData['id'],
                        'records_count' => count($insert_data)
                    ]);
                }

                return $result ? true : false;
            }

            return true;
        } catch (\Exception $e) {
            \think\facade\Log::error('创建文档数据源配置异常', [
                'contract_id' => $contract_id,
                'order_data' => $orderData,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);
            return false;
        }
    }

    /**
     * 支付成功后创建支付记录
     * @param array $orderData 订单数据
     * @return bool
     */
    private function createPaymentRecord(array $orderData)
    {
        try {
            $order_id = $orderData['id'];
            $payment_id = $orderData['payment_id'] ?? '';
            $payment_type = $orderData['payment_type'] ?? '';
            $order_amount = $orderData['order_amount'] ?? 0;

            if (empty($order_id) || empty($payment_id)) {
                \think\facade\Log::warning('创建支付记录失败：缺少订单ID或支付单号', $orderData);
                return false;
            }

            // 获取课程名称用于支付描述
            $course_name = '未知课程';
            if (!empty($orderData['course_id'])) {
                $course = \app\model\course\Course::where('id', $orderData['course_id'])->find();
                if ($course) {
                    $course_name = $course['course_name'];
                }
            }
            $status = Db::table('school_pay')->where('out_trade_no', $payment_id)->find();
            if ($status) {
                \think\facade\Log::warning('创建支付记录失败：支付单号已存在', ['order_id' => $order_id, 'payment_id' => $payment_id]);
                return false;
            }
            $now = time();
            $insertData = [
                'main_id' => $order_id, // 订单ID
                'from_main_id' => 0,
                'out_trade_no' => $payment_id, // 支付单号
                'trade_type' => 'order_payment', // 交易类型
                'trade_id' => $order_id,
                'trade_no' => $payment_id,
                'body' => '课程购买-' . $course_name, // 支付描述
                'money' => $order_amount, // 支付金额
                'voucher' => '',
                'status' => 1, // 支付状态：已支付
                'json' => '',
                'create_time' => $now, // 创建时间
                'pay_time' => $now, // 支付时间
                'cancel_time' => 0,
                'type' => $payment_type, // 支付方式：cash, scan_code等
                'mch_id' => '',
                'main_type' => 'order', // 主类型
                'channel' => '',
                'fail_reason' => ''
            ];

            $result = Db::table('school_pay')->insert($insertData);

            if ($result) {
                \think\facade\Log::info('支付记录创建成功', [
                    'order_id' => $order_id,
                    'payment_id' => $payment_id,
                    'amount' => $order_amount,
                    'type' => $payment_type
                ]);
            }

            return $result ? true : false;
        } catch (\Exception $e) {
            \think\facade\Log::error('创建支付记录异常', [
                'order_data' => $orderData,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);
            return false;
        }
    }

    /**
     * 处理赠品
     */
    private function handleGift(array $orderData)
    {
        try {
            // 如果订单没有使用赠品，跳过处理
            if (empty($orderData['gift_id']) || empty($orderData['gift_type'])) {
                return true;
            }

            $gift_id = $orderData['gift_id'];
            $gift_type = $orderData['gift_type'];
            $order_amount = $orderData['order_amount'];

            // 验证赠品是否存在且可用
            $gift = Db::table('shcool_resources_gift')
                ->where('id', $gift_id)
                ->where('gift_status', 1)
                ->where('order_id', $orderData['id']) // 必须是被当前订单绑定的赠品
                ->find();

            if (!$gift) {
                \think\facade\Log::warning('处理赠品失败：赠品不存在或不可用', [
                    'gift_id' => $gift_id,
                    'order_id' => $orderData['id']
                ]);
                return false;
            }

            // 根据赠品类型进行处理
            switch ($gift_type) {
                case '1': // 减现
                    $this->handleGiftCash($orderData, $gift);
                    break;
                case '2': // 赠课
                    $this->handleGiftCourse($orderData, $gift);
                    break;
                default:
                    \think\facade\Log::warning('处理赠品失败：未知的赠品类型', [
                        'gift_type' => $gift_type,
                        'order_id' => $orderData['id']
                    ]);
                    return false;
            }

            // 更新赠品状态为已使用
            Db::table('shcool_resources_gift')
                ->where('id', $gift_id)
                ->update([
                    'gift_status' => 2, // 已使用
                    'use_time' => time(),
                    'update_time' => time()
                ]);

            \think\facade\Log::info('赠品处理成功', [
                'gift_id' => $gift_id,
                'gift_type' => $gift_type,
                'order_id' => $orderData['id']
            ]);

            return true;
        } catch (\Exception $e) {
            \think\facade\Log::error('处理赠品异常', [
                'order_data' => $orderData,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);
            return false;
        }
    }

    /**
     * 验证赠品是否可用
     */
    private function validateGift($gift_id, $resource_id)
    {
        try {
            $gift = Db::table('shcool_resources_gift')
                ->where('id', $gift_id)
                ->where('resource_id', $resource_id)
                ->where('gift_status', 1)
                ->where('order_id', 0) // 必须是未使用的赠品
                ->find();

            if (!$gift) {
                return [
                    'valid' => false,
                    'message' => '赠品不存在或已被使用'
                ];
            }

            return [
                'valid' => true,
                'message' => '赠品验证通过'
            ];
        } catch (\Exception $e) {
            \think\facade\Log::error('验证赠品异常', [
                'gift_id' => $gift_id,
                'resource_id' => $resource_id,
                'error' => $e->getMessage()
            ]);

            return [
                'valid' => false,
                'message' => '赠品验证异常: ' . $e->getMessage()
            ];
        }
    }

    /**
     * 更新赠品状态，绑定到订单
     */
    private function updateGiftStatus($gift_id, $order_id)
    {
        try {
            $result = Db::table('shcool_resources_gift')
                ->where('id', $gift_id)
                ->where('gift_status', 1)
                ->where('order_id', 0)
                ->update([
                    'order_id' => $order_id,
                    'update_time' => time()
                ]);

            if ($result) {
                \think\facade\Log::info('赠品状态更新成功', [
                    'gift_id' => $gift_id,
                    'order_id' => $order_id
                ]);
            } else {
                \think\facade\Log::warning('赠品状态更新失败', [
                    'gift_id' => $gift_id,
                    'order_id' => $order_id
                ]);
            }

            return $result;
        } catch (\Exception $e) {
            \think\facade\Log::error('更新赠品状态异常', [
                'gift_id' => $gift_id,
                'order_id' => $order_id,
                'error' => $e->getMessage()
            ]);
            return false;
        }
    }

    /**
     * 处理减现赠品
     */
    private function handleGiftCash($orderData, $gift)
    {
        // 减现赠品的具体逻辑可以根据业务需求实现
        // 例如：修改订单金额、创建退款记录等
        \think\facade\Log::info('处理减现赠品', [
            'order_id' => $orderData['id'],
            'gift_id' => $gift['id'],
            'gift_name' => $gift['gift_name']
        ]);

        // TODO: 具体的减现逻辑实现
        return true;
    }

    /**
     * 处理赠课赠品
     */
    private function handleGiftCourse($orderData, $gift)
    {
        // 赠课赠品的具体逻辑可以根据业务需求实现
        // 例如：增加学员课时、创建额外课程记录等
        \think\facade\Log::info('处理赠课赠品', [
            'order_id' => $orderData['id'],
            'gift_id' => $gift['id'],
            'gift_name' => $gift['gift_name']
        ]);

        // TODO: 具体的赠课逻辑实现
        return true;
    }
}