<?php

namespace app\common\repository;

use app\common\model\OrderAction;
use app\common\Enum\OrderActionEnum;
use think\Collection;
use think\Exception;

/**
 * 订单操作记录仓库类
 * 数据访问抽象层，隐藏具体数据存储实现
 */
class OrderActionRepository
{
    protected $model;

    public function __construct()
    {
        $this->model = new OrderAction();
    }

    /**
     * 创建操作记录
     * @param array $data 操作数据
     * @return bool
     */
    public function create(array $data): bool
    {
        try {
            return $this->model->create($data) ? true : false;
        } catch (Exception $e) {
            return false;
        }
    }

    /**
     * 批量创建操作记录
     * @param array $dataList 批量数据
     * @return bool
     */
    public function createBatch(array $dataList): bool
    {
        try {
            return $this->model->insertBatch($dataList);
        } catch (Exception $e) {
            return false;
        }
    }

    /**
     * 根据订单编号查询操作记录
     * @param string $orderSn 订单编号
     * @param string $actionType 操作类型（可选）
     * @param string $userType 用户类型（可选）
     * @param int $limit 限制数量（可选）
     * @return Collection
     */
    public function findByOrderSn(string $orderSn, string $actionType = '', string $userType = '', int $limit = 0): Collection
    {
        $where = ['order_sn' => $orderSn];
        
        if ($actionType) {
            $where['action_type'] = $actionType;
        }
        
        if ($userType) {
            $where['user_type'] = $userType;
        }

        $query = $this->model->where($where)->order('createtime', 'desc');
        
        if ($limit > 0) {
            $query = $query->limit($limit);
        }

        return $query->select();
    }

    /**
     * 获取最新的操作记录
     * @param string $orderSn 订单编号
     * @param string $actionType 操作类型（可选）
     * @return OrderAction|null
     */
    public function findLatestByOrderSn(string $orderSn, string $actionType = ''): ?OrderAction
    {
        $where = ['order_sn' => $orderSn];
        
        if ($actionType) {
            $where['action_type'] = $actionType;
        }

        return $this->model->where($where)->order('createtime', 'desc')->find();
    }

    /**
     * 检查特定操作类型是否存在
     * @param string $orderSn 订单编号
     * @param string $actionType 操作类型
     * @return bool
     */
    public function existsByActionType(string $orderSn, string $actionType): bool
    {
        return $this->model->where([
            'order_sn' => $orderSn,
            'action_type' => $actionType
        ])->count() > 0;
    }

    /**
     * 统计操作记录数量
     * @param string $orderSn 订单编号
     * @param string $actionType 操作类型（可选）
     * @param string $userType 用户类型（可选）
     * @return int
     */
    public function countByOrderSn(string $orderSn, string $actionType = '', string $userType = ''): int
    {
        $where = ['order_sn' => $orderSn];
        
        if ($actionType) {
            $where['action_type'] = $actionType;
        }
        
        if ($userType) {
            $where['user_type'] = $userType;
        }

        return $this->model->where($where)->count();
    }

    /**
     * 获取用户操作历史
     * @param int $userId 用户ID
     * @param string $userType 用户类型
     * @param int $limit 限制数量
     * @return Collection
     */
    public function findByUser(int $userId, string $userType = OrderActionEnum::USER_TYPE_CUSTOMER, int $limit = 10): Collection
    {
        return $this->model->where([
            'user_id' => $userId,
            'user_type' => $userType
        ])->order('createtime', 'desc')
        ->limit($limit)
        ->select();
    }

    /**
     * 获取高优先级操作记录
     * @param string $orderSn 订单编号
     * @return Collection
     */
    public function findHighPriorityByOrderSn(string $orderSn): Collection
    {
        return $this->model->where([
            'order_sn' => $orderSn,
            'priority' => [
                'in', 
                [OrderActionEnum::PRIORITY_HIGH, OrderActionEnum::PRIORITY_URGENT]
            ]
        ])->order('createtime', 'desc')
        ->select();
    }

    /**
     * 删除过期记录
     * @param int $expiredTime 过期时间戳
     * @return bool
     */
    public function deleteExpired(int $expiredTime): bool
    {
        try {
            return $this->model->where('createtime', '<', $expiredTime)->delete() !== false;
        } catch (Exception $e) {
            return false;
        }
    }

    /**
     * 获取操作记录用于统计
     * @param string $orderSn 订单编号
     * @return array
     */
    public function getStatisticsData(string $orderSn): array
    {
        $actions = $this->findByOrderSn($orderSn);
        
        $stats = [
            'total_count' => 0,
            'user_count' => 0,
            'admin_count' => 0,
            'system_count' => 0,
            'action_types' => [],
            'priority_distribution' => [],
            'actions_data' => []
        ];

        if ($actions->isEmpty()) {
            return $stats;
        }

        $stats['total_count'] = $actions->count();
        $stats['actions_data'] = $actions->toArray();

        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]++;

            // 统计优先级分布
            $priority = $action['priority'];
            if (!isset($stats['priority_distribution'][$priority])) {
                $stats['priority_distribution'][$priority] = 0;
            }
            $stats['priority_distribution'][$priority]++;
        }

        return $stats;
    }

    /**
     * 获取订单操作时间线数据
     * @param string $orderSn 订单编号
     * @param bool $includeSystem 是否包含系统操作
     * @return array
     */
    public function getTimelineData(string $orderSn, bool $includeSystem = true): array
    {
        $query = $this->model->where(['order_sn' => $orderSn]);
        
        if (!$includeSystem) {
            $query = $query->where('user_type', '<>', OrderActionEnum::USER_TYPE_SYSTEM);
        }
        
        $actions = $query->order('createtime', 'desc')->select();
        
        $timeline = [];
        foreach ($actions as $action) {
            $timeline[] = [
                'id' => $action['id'],
                'time' => $action['createtime'],
                'time_text' => $action['createtime_text'],
                'operator' => $action['operator'],
                'action_type' => $action['action_type'],
                'action_text' => $action['action_type_text'],
                'user_type' => $action['user_type'],
                'user_text' => $action['user_type_text'],
                'memo' => $action['memo'],
                'priority' => $action['priority'],
                'priority_text' => $action['priority_text'],
                'extra_data' => $action['extra_data'],
            ];
        }

        return $timeline;
    }

    /**
     * 按时间范围查询操作记录
     * @param string $orderSn 订单编号
     * @param int $startTime 开始时间
     * @param int $endTime 结束时间
     * @return Collection
     */
    public function findByTimeRange(string $orderSn, int $startTime, int $endTime): Collection
    {
        return $this->model->where([
            'order_sn' => $orderSn,
            'createtime' => ['between', [$startTime, $endTime]]
        ])->order('createtime', 'desc')->select();
    }

    /**
     * 按优先级查询操作记录
     * @param string $orderSn 订单编号
     * @param int $priority 优先级
     * @return Collection
     */
    public function findByPriority(string $orderSn, int $priority): Collection
    {
        return $this->model->where([
            'order_sn' => $orderSn,
            'priority' => $priority
        ])->order('createtime', 'desc')->select();
    }
}