<?php
declare (strict_types = 1);

namespace app\system\controller;

use app\model\api\ChatBalanceLog;
use app\model\api\ChatOrder;
use app\model\api\ChatRecord;
use app\model\api\ChatUserRelation;
use app\model\api\User;
use app\services\chat\ChatBalanceService;
use library\basic\BaseController;
use think\Request;
use think\Response;

/**
 * 聊天管理控制器
 */
class Chat extends BaseController
{
    /**
     * 获取购买订单列表
     * @param Request $request
     * @return Response
     */
    public function orderList(Request $request): Response
    {
        $data = $request->get();
        $page = (int)($data['page'] ?? 1);
        $limit = (int)($data['limit'] ?? 15);
        $status = isset($data['status']) ? (int)$data['status'] : null;
        $orderNo = trim($data['order_no'] ?? '');
        $userId = isset($data['user_id']) ? (int)$data['user_id'] : 0;
        
        $where = [];
        if ($status !== null) {
            $where[] = ['status', '=', $status];
        }
        if (!empty($orderNo)) {
            $where[] = ['order_no', '=', $orderNo];
        }
        if ($userId > 0) {
            $where[] = ['user_id', '=', $userId];
        }
        
        $query = ChatOrder::where($where);
        $total = $query->count();
        $list = $query->order('id desc')
            ->page($page, $limit)
            ->select();
        
        // 处理数据
        $dataList = [];
        foreach ($list ?: [] as $item) {
            $itemArr = $item->toArray();
            // 获取用户信息
            $user = User::find($item->user_id);
            $itemArr['user_nickname'] = $user ? ($user->nickname ?? '') : '';
            $itemArr['user_phone'] = $user ? ($user->phone ?? '') : '';
            $itemArr['status_text'] = ChatOrder::getStatusText($item->status);
            $itemArr['create_time_text'] = date('Y-m-d H:i:s', $item->create_time);
            $itemArr['pay_time_text'] = $item->pay_time ? date('Y-m-d H:i:s', $item->pay_time) : '-';
            $dataList[] = $itemArr;
        }
        
        return $this->success('获取成功', [
            'list' => $dataList,
            'total' => $total,
            'page' => $page,
            'limit' => $limit,
        ]);
    }
    
    /**
     * 获取聊天次数变动明细列表
     * @param Request $request
     * @return Response
     */
    public function balanceLogList(Request $request): Response
    {
        $data = $request->get();
        $page = (int)($data['page'] ?? 1);
        $limit = (int)($data['limit'] ?? 15);
        $type = isset($data['type']) ? (int)$data['type'] : null;
        $userId = isset($data['user_id']) ? (int)$data['user_id'] : 0;
        
        $where = [];
        if ($type !== null) {
            $where[] = ['type', '=', $type];
        }
        if ($userId > 0) {
            $where[] = ['user_id', '=', $userId];
        }
        
        $query = ChatBalanceLog::where($where);
        $total = $query->count();
        $list = $query->order('id desc')
            ->page($page, $limit)
            ->select();
        
        // 处理数据
        $dataList = [];
        foreach ($list ?: [] as $item) {
            $itemArr = $item->toArray();
            // 获取用户信息
            $user = User::find($item->user_id);
            $itemArr['user_nickname'] = $user ? ($user->nickname ?? '') : '';
            $itemArr['user_phone'] = $user ? ($user->phone ?? '') : '';
            $itemArr['type_text'] = ChatBalanceLog::getTypeText($item->type);
            $itemArr['num_text'] = $item->num > 0 ? '+' . $item->num : $item->num;
            $itemArr['create_time_text'] = date('Y-m-d H:i:s', $item->create_time);
            $dataList[] = $itemArr;
        }
        
        return $this->success('获取成功', [
            'list' => $dataList,
            'total' => $total,
            'page' => $page,
            'limit' => $limit,
        ]);
    }
    
    /**
     * 获取聊天记录列表
     * @param Request $request
     * @return Response
     */
    public function recordList(Request $request): Response
    {
        $data = $request->get();
        $page = (int)($data['page'] ?? 1);
        $limit = (int)($data['limit'] ?? 15);
        $userId = isset($data['user_id']) ? (int)$data['user_id'] : 0;
        $toUserId = isset($data['to_user_id']) ? (int)$data['to_user_id'] : 0;
        
        $where = [];
        if ($userId > 0) {
            $where[] = ['user_id', '=', $userId];
        }
        if ($toUserId > 0) {
            $where[] = ['to_user_id', '=', $toUserId];
        }
        
        $query = ChatRecord::where($where);
        $total = $query->count();
        $list = $query->order('id desc')
            ->page($page, $limit)
            ->select();
        
        // 处理数据
        $dataList = [];
        foreach ($list ?: [] as $item) {
            $itemArr = $item->toArray();
            // 获取发送者信息
            $user = User::find($item->user_id);
            $itemArr['user_nickname'] = $user ? ($user->nickname ?? '') : '';
            // 获取接收者信息
            $toUser = User::find($item->to_user_id);
            $itemArr['to_user_nickname'] = $toUser ? ($toUser->nickname ?? '') : '';
            $itemArr['type_text'] = ChatRecord::getTypeText($item->type);
            $itemArr['is_read_text'] = $item->is_read == 1 ? '已读' : '未读';
            $itemArr['create_time_text'] = date('Y-m-d H:i:s', $item->create_time);
            $dataList[] = $itemArr;
        }
        
        return $this->success('获取成功', [
            'list' => $dataList,
            'total' => $total,
            'page' => $page,
            'limit' => $limit,
        ]);
    }
    
    /**
     * 获取用户聊天会话列表
     * @param Request $request
     * @return Response
     */
    public function sessionList(Request $request): Response
    {
        $data = $request->get();
        $page = (int)($data['page'] ?? 1);
        $limit = (int)($data['limit'] ?? 15);
        $userId = isset($data['user_id']) ? (int)$data['user_id'] : 0;
        
        if ($userId <= 0) {
            return $this->fail('用户ID不能为空');
        }
        
        $relations = ChatUserRelation::where('user_id', $userId)
            ->whereOr('to_user_id', $userId)
            ->order('update_time desc')
            ->page($page, $limit)
            ->select();
        
        $total = ChatUserRelation::where('user_id', $userId)
            ->whereOr('to_user_id', $userId)
            ->count();
        
        $dataList = [];
        foreach ($relations ?: [] as $relation) {
            $otherUserId = $relation->user_id == $userId ? $relation->to_user_id : $relation->user_id;
            $user = User::find($otherUserId);
            
            $dataList[] = [
                'id' => $relation->id,
                'user_id' => $otherUserId,
                'nickname' => $user ? ($user->nickname ?? '') : '',
                'phone' => $user ? ($user->phone ?? '') : '',
                'is_deduct' => $relation->is_deduct,
                'is_deduct_text' => $relation->is_deduct == 1 ? '已扣次数' : '未扣次数',
                'create_time' => date('Y-m-d H:i:s', $relation->create_time),
                'update_time' => date('Y-m-d H:i:s', $relation->update_time),
            ];
        }
        
        return $this->success('获取成功', [
            'list' => $dataList,
            'total' => $total,
            'page' => $page,
            'limit' => $limit,
        ]);
    }
    
    /**
     * 获取用户聊天次数余额列表
     * @param Request $request
     * @return Response
     */
    public function userBalanceList(Request $request): Response
    {
        $data = $request->get();
        $page = (int)($data['page'] ?? 1);
        $limit = (int)($data['limit'] ?? 15);
        $keyword = trim($data['keyword'] ?? '');
        
        $query = User::where('chat_num', '>', 0);
        
        if (!empty($keyword)) {
            $query->where(function ($q) use ($keyword) {
                $q->whereOr([
                    ['nickname', 'like', '%' . $keyword . '%'],
                    ['phone', 'like', '%' . $keyword . '%'],
                ]);
            });
        }
        
        $total = $query->count();
        $list = $query->order('chat_num desc')
            ->page($page, $limit)
            ->select();
        
        $dataList = [];
        foreach ($list ?: [] as $item) {
            $dataList[] = [
                'id' => $item->id,
                'user_id' => $item->id,
                'nickname' => $item->nickname ?? '',
                'phone' => $item->phone ?? '',
                'chat_num' => $item->chat_num ?? 0,
                'avatar' => $item->avatar ?? '',
            ];
        }
        
        return $this->success('获取成功', [
            'list' => $dataList,
            'total' => $total,
            'page' => $page,
            'limit' => $limit,
        ]);
    }
    
    /**
     * 管理员给用户添加聊天次数
     * @param Request $request
     * @return Response
     */
    public function addBalance(Request $request): Response
    {
        $data = $request->post();
        $userId = (int)($data['user_id'] ?? 0);
        $num = (int)($data['num'] ?? 0);
        $remark = trim($data['remark'] ?? '管理员操作');
        
        if ($userId <= 0) {
            return $this->fail('用户ID错误');
        }
        
        if ($num <= 0) {
            return $this->fail('添加数量必须大于0');
        }
        
        $user = User::find($userId);
        if (!$user) {
            return $this->fail('用户不存在');
        }
        
        $result = ChatBalanceService::add($userId, $num, ChatBalanceLog::TYPE_ADMIN_ADD, $remark);
        
        if ($result) {
            return $this->success('添加成功');
        }
        
        return $this->fail('添加失败');
    }
    
    /**
     * 管理员扣除用户聊天次数
     * @param Request $request
     * @return Response
     */
    public function subBalance(Request $request): Response
    {
        $data = $request->post();
        $userId = (int)($data['user_id'] ?? 0);
        $num = (int)($data['num'] ?? 0);
        $remark = trim($data['remark'] ?? '管理员操作');
        
        if ($userId <= 0) {
            return $this->fail('用户ID错误');
        }
        
        if ($num <= 0) {
            return $this->fail('扣除数量必须大于0');
        }
        
        $user = User::find($userId);
        if (!$user) {
            return $this->fail('用户不存在');
        }
        
        $currentBalance = (int)($user->chat_num ?? 0);
        if ($currentBalance < $num) {
            return $this->fail('用户聊天次数不足，当前余额：' . $currentBalance);
        }
        
        $result = ChatBalanceService::sub($userId, $num, ChatBalanceLog::TYPE_ADMIN_SUB, $remark);
        
        if ($result) {
            return $this->success('扣除成功');
        }
        
        return $this->fail('扣除失败');
    }
    
    /**
     * 获取聊天统计数据
     * @return Response
     */
    public function statistics(): Response
    {
        // 总订单数
        $totalOrders = ChatOrder::count();
        // 已支付订单数
        $paidOrders = ChatOrder::where('status', ChatOrder::STATUS_PAID)->count();
        // 总聊天次数消耗
        $totalConsume = ChatBalanceLog::where('type', ChatBalanceLog::TYPE_FIRST_CHAT)->sum('num');
        // 购买次数总额
        $totalBuy = ChatBalanceLog::where('type', ChatBalanceLog::TYPE_BUY)->sum('num');
        // 有聊天次数的用户数
        $usersWithBalance = User::where('chat_num', '>', 0)->count();
        // 总会话数
        $totalSessions = ChatUserRelation::count();
        
        return $this->success('获取成功', [
            'total_orders' => $totalOrders,
            'paid_orders' => $paidOrders,
            'total_consume' => abs((int)$totalConsume),
            'total_buy' => (int)$totalBuy,
            'users_with_balance' => $usersWithBalance,
            'total_sessions' => $totalSessions,
        ]);
    }
    
    /**
     * 删除聊天会话记录
     * @param Request $request
     * @return Response
     */
    public function deleteSession(Request $request): Response
    {
        $data = $request->post();
        $relationId = (int)($data['id'] ?? 0);
        
        if ($relationId <= 0) {
            return $this->fail('会话ID错误');
        }
        
        $relation = ChatUserRelation::find($relationId);
        if (!$relation) {
            return $this->fail('会话不存在');
        }
        
        // 删除会话关系
        $relation->delete();
        
        return $this->success('删除成功');
    }
    
    /**
     * 删除聊天记录
     * @param Request $request
     * @return Response
     */
    public function deleteRecord(Request $request): Response
    {
        $data = $request->post();
        $id = (int)($data['id'] ?? 0);
        
        if ($id <= 0) {
            return $this->fail('记录ID错误');
        }
        
        $record = ChatRecord::find($id);
        if (!$record) {
            return $this->fail('记录不存在');
        }
        
        $record->delete();
        
        return $this->success('删除成功');
    }
    
    /**
     * 设置聊天价格配置
     * @param Request $request
     * @return Response
     */
    public function setConfig(Request $request): Response
    {
        $data = $request->post();
        $chatPrice = (int)($data['chat_price'] ?? 0);
        
        if ($chatPrice <= 0) {
            return $this->fail('价格必须大于0');
        }
        
        $sys = \app\model\api\Sys::find(1);
        if (!$sys) {
            return $this->fail('系统配置不存在');
        }
        
        $sys->chat_price = $chatPrice;
        
        if ($sys->save()) {
            return $this->success('设置成功');
        }
        
        return $this->fail('设置失败');
    }
    
    /**
     * 获取聊天价格配置
     * @return Response
     */
    public function getConfig(): Response
    {
        $sys = \app\model\api\Sys::find(1);
        $price = $sys ? (int)($sys->chat_price ?? 0) : 0;
        
        return $this->success('获取成功', [
            'chat_price' => $price,
        ]);
    }
}