<?php
namespace app\common\Service\Order;

use app\common\model\OrderAction as OrderActionModel;
use app\common\Enum\OrderActionEnum;
use think\Exception;

/**
 * 订单操作记录服务
 */
class OrderActionService
{
    /**
     * 添加订单操作记录（兼容老接口）
     *
     * @param string $order_sn 订单编号
     * @param string $operator 操作人
     * @param string $memo 备注
     * @return bool
     */
    public static function push($order_sn, $operator, $memo)
    {
        return OrderActionModel::push($order_sn, $operator, $memo);
    }

    /**
     * 记录用户操作
     *
     * @param string $order_sn 订单编号
     * @param string $action_type 操作类型
     * @param string $operator 操作人
     * @param string $memo 备注
     * @param int $user_id 用户ID
     * @param array $extra 额外数据
     * @return bool
     */
    public static function recordUserAction($order_sn, $action_type, $operator, $memo = '', $user_id = 0, $extra = [])
    {
        // 验证操作类型
        if (!OrderActionEnum::isValidActionType($action_type)) {
            throw new Exception('无效的操作类型: ' . $action_type);
        }

        return OrderActionModel::create([
            'order_sn' => $order_sn,
            'action_type' => $action_type,
            'operator' => $operator,
            'memo' => $memo,
            'user_type' => OrderActionEnum::USER_TYPE_CUSTOMER,
            'operator_type' => OrderActionEnum::OPERATOR_TYPE_USER,
            'user_id' => $user_id,
            'extra_data' => json_encode($extra),
            'priority' => OrderActionEnum::getDefaultPriority($action_type),
            'ip' => request()->ip(),
            'user_agent' => request()->server('HTTP_USER_AGENT', ''),
        ]) ? true : false;
    }

    /**
     * 记录管理员操作
     *
     * @param string $order_sn 订单编号
     * @param string $action_type 操作类型
     * @param string $operator 操作人
     * @param string $memo 备注
     * @param int $admin_id 管理员ID
     * @param array $extra 额外数据
     * @return bool
     */
    public static function recordAdminAction($order_sn, $action_type, $operator, $memo = '', $admin_id = 0, $extra = [])
    {
        // 验证操作类型
        if (!OrderActionEnum::isValidActionType($action_type)) {
            throw new Exception('无效的操作类型: ' . $action_type);
        }

        return OrderActionModel::create([
            'order_sn' => $order_sn,
            'action_type' => $action_type,
            'operator' => $operator,
            'memo' => $memo,
            'user_type' => OrderActionEnum::USER_TYPE_ADMIN,
            'operator_type' => OrderActionEnum::OPERATOR_TYPE_ADMIN,
            'user_id' => $admin_id,
            'extra_data' => json_encode($extra),
            'priority' => OrderActionEnum::getDefaultPriority($action_type),
            'ip' => request()->ip(),
            'user_agent' => request()->server('HTTP_USER_AGENT', ''),
        ]) ? true : false;
    }

    /**
     * 记录系统操作
     *
     * @param string $order_sn 订单编号
     * @param string $action_type 操作类型
     * @param string $memo 备注
     * @param array $extra 额外数据
     * @return bool
     */
    public static function recordSystemAction($order_sn, $action_type, $memo = '', $extra = [])
    {
        // 验证操作类型
        if (!OrderActionEnum::isValidActionType($action_type)) {
            throw new Exception('无效的操作类型: ' . $action_type);
        }

        return OrderActionModel::create([
            'order_sn' => $order_sn,
            'action_type' => $action_type,
            'operator' => 'system',
            'memo' => $memo,
            'user_type' => OrderActionEnum::USER_TYPE_SYSTEM,
            'operator_type' => OrderActionEnum::OPERATOR_TYPE_SYSTEM,
            'user_id' => 0,
            'extra_data' => json_encode($extra),
            'priority' => OrderActionEnum::getDefaultPriority($action_type),
            'ip' => request()->ip(),
            'user_agent' => request()->server('HTTP_USER_AGENT', ''),
        ]) ? true : false;
    }

    /**
     * 批量记录操作
     *
     * @param array $actions 操作记录数组
     * @return bool
     */
    public static function batchRecord($actions)
    {
        if (!is_array($actions) || empty($actions)) {
            return false;
        }

        $processedData = [];
        foreach ($actions as $action) {
            if (!isset($action['order_sn']) || !isset($action['action_type'])) {
                continue;
            }

            $userType = $action['user_type'] ?? OrderActionEnum::USER_TYPE_ADMIN;
            $operator = $action['operator'] ?? 'unknown';
            $memo = $action['memo'] ?? '';
            $userId = $action['user_id'] ?? 0;
            $extra = $action['extra'] ?? [];

            $processedData[] = [
                'order_sn' => $action['order_sn'],
                'action_type' => $action['action_type'],
                'operator' => $operator,
                'memo' => $memo,
                'user_type' => $userType,
                'operator_type' => OrderActionEnum::getDefaultOperatorType($userType),
                'user_id' => $userId,
                'extra_data' => json_encode($extra),
                'priority' => OrderActionEnum::getDefaultPriority($action['action_type']),
                'ip' => request()->ip(),
                'user_agent' => request()->server('HTTP_USER_AGENT', ''),
                'createtime' => time(),
            ];
        }

        return OrderActionModel::insertBatch($processedData);
    }

    /**
     * 获取订单操作记录
     *
     * @param string $order_sn 订单编号
     * @param string $action_type 操作类型（可选）
     * @param string $user_type 用户类型（可选）
     * @return \think\Collection
     */
    public static function getOrderActions($order_sn, $action_type = '', $user_type = '')
    {
        return OrderActionModel::getByOrderSn($order_sn, $action_type, $user_type);
    }

    /**
     * 获取最后一次操作记录
     *
     * @param string $order_sn 订单编号
     * @param string $action_type 操作类型（可选）
     * @return OrderActionModel|null
     */
    public static function getLastAction($order_sn, $action_type = '')
    {
        return OrderActionModel::getLatestByOrderSn($order_sn, $action_type);
    }

    /**
     * 检查操作是否存在
     *
     * @param string $order_sn 订单编号
     * @param string $action_type 操作类型
     * @return bool
     */
    public static function hasAction($order_sn, $action_type)
    {
        return OrderActionModel::hasActionType($order_sn, $action_type);
    }

    /**
     * 获取操作统计信息
     *
     * @param string $order_sn 订单编号
     * @return array
     */
    public static function getActionStats($order_sn)
    {
        $actions = self::getOrderActions($order_sn);
        $stats = [
            'total_count' => $actions->count(),
            'user_count' => 0,
            'admin_count' => 0,
            'system_count' => 0,
            'action_types' => [],
            'last_action' => null,
            'first_action' => null,
        ];

        if ($actions->count() > 0) {
            $actionsArray = $actions->toArray();
            $stats['last_action'] = $actionsArray[0];
            $stats['first_action'] = $actionsArray[count($actionsArray) - 1];

            foreach ($actions as $action) {
                // 统计用户类型
                switch ($action['user_type']) {
                    case OrderActionEnum::USER_TYPE_CUSTOMER:
                        $stats['user_count']++;
                        break;
                    case OrderActionEnum::USER_TYPE_ADMIN:
                        $stats['admin_count']++;
                        break;
                    case OrderActionEnum::USER_TYPE_SYSTEM:
                        $stats['system_count']++;
                        break;
                }

                // 统计操作类型
                $actionType = $action['action_type'];
                if (!isset($stats['action_types'][$actionType])) {
                    $stats['action_types'][$actionType] = 0;
                }
                $stats['action_types'][$actionType]++;
            }
        }

        return $stats;
    }

    /**
     * 获取操作时间轴
     *
     * @param string $order_sn 订单编号
     * @return array
     */
    public static function getActionTimeline($order_sn)
    {
        $actions = self::getOrderActions($order_sn);
        $timeline = [];

        foreach ($actions as $action) {
            $timeline[] = [
                'id' => $action['id'],
                'action_type' => $action['action_type'],
                'action_type_text' => $action['action_type_text'],
                'operator' => $action['operator'],
                'user_type' => $action['user_type'],
                'user_type_text' => $action['user_type_text'],
                'memo' => $action['memo'],
                'createtime' => $action['createtime'],
                'createtime_text' => $action['createtime_text'],
                'priority' => $action['priority'],
                'priority_text' => $action['priority_text'],
            ];
        }

        return $timeline;
    }

    /**
     * 根据订单状态变化自动记录操作
     *
     * @param string $order_sn 订单编号
     * @param int $old_status 旧状态
     * @param int $new_status 新状态
     * @param string $operator 操作人
     * @param string $user_type 用户类型
     * @param int $user_id 用户ID
     * @return bool
     */
    public static function recordStatusChange($order_sn, $old_status, $new_status, $operator, $user_type = OrderActionEnum::USER_TYPE_ADMIN, $user_id = 0)
    {
        // 状态映射到操作类型
        $statusActionMap = [
            101 => OrderActionEnum::ACTION_CREATE,    // 创建订单
            201 => OrderActionEnum::ACTION_PAY,       // 支付
            301 => OrderActionEnum::ACTION_SHIP,      // 发货
            401 => OrderActionEnum::ACTION_RECEIVE,   // 确认收货
            501 => OrderActionEnum::ACTION_COMMENT,   // 评价
            102 => OrderActionEnum::ACTION_CANCEL,    // 取消
            103 => OrderActionEnum::ACTION_AUTO_CANCEL, // 自动取消
            104 => OrderActionEnum::ACTION_ADMIN_CANCEL, // 管理员取消
            202 => OrderActionEnum::ACTION_REFUND,    // 退款
            402 => OrderActionEnum::ACTION_AUTO_CONFIRM, // 自动确认
        ];

        $actionType = $statusActionMap[$new_status] ?? null;
        if (!$actionType) {
            return false;
        }

        $memo = "订单状态从 {$old_status} 变更为 {$new_status}";
        $extra = [
            'old_status' => $old_status,
            'new_status' => $new_status,
            'change_time' => time(),
        ];

        switch ($user_type) {
            case OrderActionEnum::USER_TYPE_CUSTOMER:
                return self::recordUserAction($order_sn, $actionType, $operator, $memo, $user_id, $extra);
            case OrderActionEnum::USER_TYPE_ADMIN:
                return self::recordAdminAction($order_sn, $actionType, $operator, $memo, $user_id, $extra);
            case OrderActionEnum::USER_TYPE_SYSTEM:
                return self::recordSystemAction($order_sn, $actionType, $memo, $extra);
        }

        return false;
    }
}