<?php
namespace app\adminapi\controller\asset;

use app\adminapi\controller\BaseAdminController;
use app\common\model\AssetResource;
use app\common\model\AssetUserResource;
use think\facade\Db;

class AssetResourceController extends BaseAdminController
{
    /**
     * @notes 资源列表
     */
    public function lists()
    {
        $pageNo = $this->request->get('page_no', 1);
        $pageSize = $this->request->get('page_size', 15);
        $type = $this->request->get('type');
        $startTime = $this->request->get('start_time');
        $endTime = $this->request->get('end_time');
        
        $where = [];
        if ($type) {
            $where[] = ['type', '=', $type];
        }
        if ($startTime) {
            $where[] = ['create_time', '>=', strtotime($startTime)];
        }
        if ($endTime) {
            $where[] = ['create_time', '<=', strtotime($endTime) + 86399];
        }
        
        $count = AssetResource::where($where)->count();
        $lists = AssetResource::with('users')
            ->where($where)
            ->order('id', 'desc')
            ->page($pageNo, $pageSize)
            ->select();
            
        return $this->data([
            'count' => $count,
            'lists' => $lists,
            'page_no' => $pageNo,
            'page_size' => $pageSize,
        ]);
    }

    /**
     * @notes 添加资源及分配账号
     */
    public function add()
    {
        $params = $this->request->post();
        if (empty($params['type']) || empty($params['title']) || empty($params['file_url'])) {
            return $this->fail('请填写完整的资源信息');
        }
        
        Db::startTrans();
        try {
            $resource = AssetResource::create([
                'type' => $params['type'],
                'title' => $params['title'],
                'file_url' => $params['file_url'],
                'cover_url' => $params['cover_url'] ?? '',
            ]);
            
            // 绑定用户
            if (!empty($params['user_ids']) && is_array($params['user_ids'])) {
                $userResources = [];
                foreach ($params['user_ids'] as $userId) {
                    $userResources[] = [
                        'user_id' => $userId,
                        'resource_id' => $resource->id,
                        'create_time' => time(),
                    ];
                }
                (new AssetUserResource())->saveAll($userResources);
            }
            
            Db::commit();
            return $this->success('添加并分配成功', ['id' => $resource->id]);
        } catch (\Exception $e) {
            Db::rollback();
            return $this->fail('操作失败: ' . $e->getMessage());
        }
    }

    /**
     * @notes 编辑资源（修改标题、关联账号）
     */
    public function edit()
    {
        $params = $this->request->post();
        $id = $params['id'] ?? 0;
        if (empty($id)) {
            return $this->fail('缺少参数');
        }

        $resource = AssetResource::find($id);
        if (!$resource) {
            return $this->fail('资源不存在');
        }

        Db::startTrans();
        try {
            // 更新标题
            if (!empty($params['title'])) {
                $resource->title = $params['title'];
                $resource->save();
            }

            // 重新绑定用户（先删后加）
            if (isset($params['user_ids'])) {
                AssetUserResource::where('resource_id', $id)->delete();
                $userIds = is_array($params['user_ids']) ? $params['user_ids'] : [];
                if (!empty($userIds)) {
                    $userResources = [];
                    foreach ($userIds as $userId) {
                        $userResources[] = [
                            'user_id' => $userId,
                            'resource_id' => $id,
                            'create_time' => time(),
                        ];
                    }
                    (new AssetUserResource())->saveAll($userResources);
                }
            }

            Db::commit();
            return $this->success('编辑成功');
        } catch (\Exception $e) {
            Db::rollback();
            return $this->fail('操作失败: ' . $e->getMessage());
        }
    }

    /**
     * @notes 删除资源
     */
    public function delete()
    {
        $id = $this->request->post('id');
        if (empty($id)) {
            return $this->fail('缺少参数');
        }
        
        Db::startTrans();
        try {
            AssetResource::destroy($id);
            AssetUserResource::where('resource_id', $id)->delete();
            Db::commit();
            return $this->success('删除成功');
        } catch (\Exception $e) {
            Db::rollback();
            return $this->fail('删除失败');
        }
    }
}