<?php
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 * 
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 * 
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 * 
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 * 1. 禁止移除版权声明
 * 2. 禁止用于生产环境
 * 3. 禁止转售或分发
 */

/**
 * 后台管理系统-资源管理
 */
namespace app\admin\controller;
use app\admin\controller\BaseController;
use app\admin\model\Resource\Resource;
use app\admin\model\Resource\ResourceCategory;
use think\facade\View;
use think\facade\Request;
use think\facade\Db;
use app\admin\controller\LogController as Log;
use think\App;

class ResourcesController extends BaseController
{
    // 资源列表
    public function lists()
    {
        if (Request::isPost()) {
            $params = [
                'category' => input('post.category'),
                'name' => input('post.name'),
                'uploader' => input('post.uploader')
            ];
            $page = (int) input('post.page', 1);
            $limit = (int) input('post.limit', 10);

            $query = Resource::where('delete_time', null)
                ->where('status', 1);

            // 分类筛选
            if (!empty($params['category'])) {
                $cateInfo = ResourceCategory::where('name', $params['category'])
                    ->where('delete_time', null)
                    ->where('status', 1)
                    ->field('id')
                    ->find();

                if ($cateInfo) {
                    $query = $query->where('cate', (int) $cateInfo['id']);
                }
            }

            // 名称搜索
            if (!empty($params['name'])) {
                $query = $query->where('name', 'like', '%' . $params['name'] . '%');
            }

            // 上传者搜索
            if (!empty($params['uploader'])) {
                $query = $query->where('uploader', 'like', '%' . $params['uploader'] . '%');
            }

            $count = $query->count();

            $lists = $query->order('id DESC')
                ->page($page, $limit)
                ->select()
                ->each(function ($item) {
                    // 获取分类信息
                    $cateInfo = ResourceCategory::where('id', (int) $item['cate'])
                        ->field('name, icon')
                        ->find();
                    if ($cateInfo) {
                        $item['cate'] = $cateInfo['name'];
                        if (empty($item['icon']) && !empty($cateInfo['icon'])) {
                            $item['icon'] = $cateInfo['icon'];
                        }
                    }
                    $item['create_time'] = date('Y-m-d H:i:s', (int) $item['create_time']);
                    return $item;
                });

            return json([
                'code' => 0,
                'msg' => '获取成功',
                'count' => $count,
                'data' => $lists
            ]);
        } else {
            $allCategories = ResourceCategory::where('delete_time', null)
                ->where('status', 1)
                ->field('id, name, cid, icon')
                ->order('sort asc, id asc')
                ->select()
                ->toArray();

            $categories = $this->buildParentChild($allCategories);

            View::assign([
                'categories' => $categories
            ]);
            return View::fetch();
        }
    }

    // 添加资源
    public function add()
    {
        if (Request::isPost()) {
            $data = [
                'title' => input('post.title'),
                'cate' => input('post.cate'),
                'desc' => input('post.desc'),
                'icon' => input('post.icon'),
                'images' => input('post.images'),
                'url' => input('post.url'),
                'fileurl' => input('post.fileurl'),
                'code' => input('post.code'),
                'zipcode' => input('post.zipcode'),
                'uploader' => input('post.uploader'),
                'content' => input('post.content'),
                'number' => input('post.number'),
                'status' => input('post.status', 1),
                'create_time' => time()
            ];

            $insert = Resource::insert($data);
            if (empty($insert)) {
                Log::record('添加资源', 0, '添加资源失败', '资源管理');
                $this->error('添加失败');
            }
            Log::record('添加资源', 1, '', '资源管理');
            return json(['code' => 0, 'msg' => '添加成功', 'data' => []]);
        } else {
            // 获取所有分类
            $allCategories = ResourceCategory::where('delete_time', null)
                ->where('status', 1)
                ->field('id, name, cid, icon, number')
                ->order('sort asc, id asc')
                ->select()
                ->toArray();

            $categories = $this->buildParentChild($allCategories);

            View::assign([
                'categories' => $categories
            ]);

            return View::fetch();
        } catch (\Exception $e) {
            Log::record('添加资源页面加载', 0, $e->getMessage(), '资源管理');
            $this->error('页面加载失败：' . $e->getMessage());
        }
    }

    // 编辑资源
    public function edit()
    {
        if (Request::isPost()) {
            $data = input('post.');
            $id = input('id/d', 0);

            if (!$id) {
                Log::record('编辑资源', 0, '参数错误', '资源管理');
                return json(['code' => 1, 'msg' => '参数错误']);
            }

            $updateData = [
                'title' => $data['title'],
                'cate' => $data['cate'],
                'desc' => $data['desc'],
                'uploader' => $data['uploader'],
                'icon' => $data['icon'],
                'images' => $data['images'],
                'fileurl' => $data['fileurl'],
                'url' => $data['url'],
                'code' => $data['code'],
                'zipcode' => $data['zipcode'],
                'sort' => $data['sort'],
                'number' => $data['number'],
                'content' => $data['content'],
                'update_time' => time()
            ];

            $result = Resource::where('id', $id)
                ->update($updateData);

            if ($result !== false) {
                Log::record('编辑资源', 1, '', '资源管理');
                return json(['code' => 0, 'msg' => '编辑成功']);
            } else {
                Log::record('编辑资源', 0, '编辑资源失败', '资源管理');
                return json(['code' => 1, 'msg' => '编辑失败']);
            }
        }

        $id = input('id/d', 0);
        if (!$id) {
            Log::record('编辑资源', 0, '参数错误', '资源管理');
            $this->error('参数错误');
        }

        $resource = Resource::where('id', $id)
            ->where('delete_time', null)
            ->find();

        if (!$resource) {
            Log::record('编辑资源', 0, '资源不存在', '资源管理');
            $this->error('资源不存在');
        }

        // 处理图片路径
        if (!empty($resource['images'])) {
            $domain = request()->domain();
            $images = explode(',', $resource['images']);
            // $images = array_map(function ($image) use ($domain) {
            //     return $domain . $image;
            // }, $images);
            $resource['images'] = implode(',', $images);
        }

        View::assign('resource', $resource);
        return View::fetch();
    }

    // 删除资源
    public function delete()
    {
        $id = input('post.id');
        $delete = Resource::where('id', $id)
            ->update(['delete_time' => time()]);
        if ($delete === false) {
            Log::record('删除资源', 0, '删除资源失败', '资源管理');
            return json(['code' => 1, 'msg' => '删除失败', 'data' => []]);
        }
        Log::record('删除资源', 1, '', '资源管理');
        return json(['code' => 0, 'msg' => '删除成功', 'data' => []]);
    }

    // 资源分类
    public function cate()
    {
        if (Request::isPost()) {
            $lists = ResourceCategory::where('delete_time', null)
                ->where('status', 1)
                ->order('sort asc, id asc')
                ->select()
                ->toArray();
            $tree = $this->buildTree($lists);
            return json(['code' => 0, 'msg' => '获取成功', 'data' => $tree]);
        }
        return View::fetch();
    }

    //获取分类结构
    public function getcate()
    {
        $lists = ResourceCategory::where('delete_time', null)
            ->where('status', 1)
            ->order('sort asc, id asc')
            ->select()
            ->toArray();

        // 获取每个分类下的资源总数
        foreach ($lists as &$item) {
            if ($item['cid'] == 0) {
                // 父级分类 - 统计所有子分类的资源总数
                $childIds = ResourceCategory::where('cid', $item['id'])
                    ->where('delete_time', null)
                    ->where('status', 1)
                    ->column('id');

                $item['total'] = Resource::where('cate', 'in', array_merge([$item['id']], $childIds))
                    ->where('delete_time', null)
                    ->where('status', '<>', 3)
                    ->count();
            } else {
                // 子分类 - 只统计当前分类的资源
                $item['total'] = Resource::where('cate', $item['id'])
                    ->where('delete_time', null)
                    ->where('status', '<>', 3)
                    ->count();
            }
        }

        $tree = $this->buildParentChild($lists);
        return json(['code' => 0, 'msg' => '获取成功', 'data' => $tree]);
    }

    // 添加资源分类
    public function cateadd()
    {
        if (Request::isPost()) {
            $data = [
                'name' => input('post.name'),
                'icon' => input('post.icon'),
                'cid' => input('post.cid'),
                'number' => input('post.number'),
                'sort' => input('post.sort', 0),
                'status' => input('post.status', 1),
                'create_time' => time()
            ];

            $insert = ResourceCategory::insert($data);
            if (empty($insert)) {
                Log::record('添加资源分类', 0, '添加资源分类失败', '资源分类');
                return json(['code' => 1, 'msg' => '添加失败', 'data' => []]);
            }
            Log::record('添加资源分类', 1, '', '资源分类');
            return json(['code' => 0, 'msg' => '添加成功', 'data' => []]);
        } else {
            $parentCategories = ResourceCategory::where('delete_time', null)
                ->where('status', 1)
                ->where('cid', 0)
                ->field('id, name')
                ->select()
                ->toArray();
            return json([
                'code' => 0,
                'msg' => '获取成功',
                'data' => [
                    'parentOptions' => $parentCategories
                ]
            ]);
        }
    }

    //编辑资源分类
    public function cateedit()
    {
        if (Request::isPost()) {
            $data = [
                'id' => input('post.id'),
                'name' => input('post.name'),
                'icon' => input('post.icon'),
                'cid' => input('post.cid'),
                'number' => input('post.number'),
                'sort' => input('post.sort', 0),
                'status' => input('post.status', 1),
                'update_time' => time()
            ];

            $update = ResourceCategory::where('id', $data['id'])
                ->update($data);
            if ($update === false) {
                Log::record('编辑资源分类', 0, '更新资源分类失败', '资源分类');
                return json(['code' => 1, 'msg' => '更新失败', 'data' => []]);
            }
            Log::record('编辑资源分类', 1, '', '资源分类');
            return json(['code' => 0, 'msg' => '更新成功', 'data' => []]);
        } else {
            $id = input('get.id');
            $info = ResourceCategory::where('id', $id)->find();
            $parentCategories = ResourceCategory::where('delete_time', null)
                ->where('status', 1)
                ->where('cid', 0)
                ->where('id', '<>', $id)
                ->field('id, name')
                ->select()
                ->toArray();

            return json([
                'code' => 0,
                'msg' => '获取成功',
                'data' => [
                    'info' => $info,
                    'parentOptions' => $parentCategories
                ]
            ]);
        }
    }

    //删除资源分类
    public function catedel()
    {
        $id = input('post.id');

        // 检查是否有子分类
        $hasChildren = ResourceCategory::where('cid', $id)
            ->where('delete_time', null)
            ->find();
        if ($hasChildren) {
            Log::record('删除资源分类', 0, '该分类下有子分类，无法删除', '资源分类');
            return json(['code' => 1, 'msg' => '该分类下有子分类，无法删除', 'data' => []]);
        }

        $delete = ResourceCategory::where('id', $id)
            ->update(['delete_time' => time()]);
        if ($delete === false) {
            Log::record('删除资源分类', 0, '删除资源分类失败', '资源分类');
            return json(['code' => 1, 'msg' => '删除失败', 'data' => []]);
        }
        Log::record('删除资源分类', 1, '', '资源分类');
        return json(['code' => 0, 'msg' => '删除成功', 'data' => []]);
    }

    /**
     * 获取资源详情
     */
    public function get()
    {
        $id = input('id/d', 0);
        if (!$id) {
            Log::record('获取资源详情', 0, '参数错误', '资源管理');
            return json(['code' => 1, 'msg' => '参数错误']);
        }

        $resource = Resource::where('id', $id)
            ->where('delete_time', null)
            ->find();

        if (!$resource) {
            Log::record('获取资源详情', 0, '资源不存在', '资源管理');
            return json(['code' => 1, 'msg' => '资源不存在']);
        }

        // 获取分类信息
        $cateInfo = ResourceCategory::where('id', $resource['cate'])
            ->field('name')
            ->find();

        if ($cateInfo) {
            $resource['cate_name'] = $cateInfo['name'];
        }

        Log::record('获取资源详情', 1, '', '资源管理');
        return json(['code' => 0, 'msg' => '获取成功', 'data' => $resource]);
    }

    //统计资源数量
    public function counts()
    {
        try {
            // 获取资源总数
            $total = Resource::where('delete_time', null)
                ->where('status', '<>', 3)
                ->count();

            // 获取今日新增资源数
            $today = strtotime(date('Y-m-d'));
            $todayNew = Resource::where('delete_time', null)
                ->where('status', '<>', 3)
                ->where('create_time', '>=', $today)
                ->count();

            // 获取最近7天的资源数据
            $dates = [];
            $counts = [];
            $totalCounts = []; // 存储每天的总资源数

            for ($i = 6; $i >= 0; $i--) {
                $date = date('Y-m-d', strtotime("-$i days"));
                $start = strtotime($date);
                $end = $start + 86400;

                // 获取当天新增资源数
                $count = Resource::where('delete_time', null)
                    ->where('status', '<>', 3)
                    ->where('create_time', '>=', $start)
                    ->where('create_time', '<', $end)
                    ->count();

                // 获取截至当天的总资源数
                $totalCount = Resource::where('delete_time', null)
                    ->where('status', '<>', 3)
                    ->where('create_time', '<', $end)
                    ->count();

                $dates[] = $date;
                $counts[] = $count;
                $totalCounts[] = $totalCount;
            }

            return json([
                'code' => 0,
                'msg' => '获取成功',
                'data' => [
                    'total' => $total,
                    'todayNew' => $todayNew,
                    'dates' => $dates,
                    'counts' => $counts,
                    'totalCounts' => $totalCounts
                ]
            ]);
        } catch (\Exception $e) {
            return json([
                'code' => 1,
                'msg' => '获取失败：' . $e->getMessage()
            ]);
        }
    }

    // 构建树形结构
    private function buildTree($lists)
    {
        $tree = [];
        foreach ($lists as $item) {
            if ($item['cid'] == 0) {
                $node = [
                    'id' => $item['id'],
                    'title' => $item['name'],
                    'children' => []
                ];

                // 查找子分类
                foreach ($lists as $subItem) {
                    if ($subItem['cid'] == $item['id']) {
                        $node['children'][] = [
                            'id' => $subItem['id'],
                            'title' => $subItem['name'],
                            'children' => []
                        ];
                    }
                }

                $tree[] = $node;
            }
        }
        return $tree;
    }

    // 构建父子结构
    private function buildParentChild($lists)
    {
        $tree = [];
        foreach ($lists as $item) {
            if ($item['cid'] == 0) {
                // 顶级分类
                $tree[] = $item;
            } else {
                // 子分类
                foreach ($tree as &$parent) {
                    if ($parent['id'] == $item['cid']) {
                        if (!isset($parent['children'])) {
                            $parent['children'] = [];
                        }
                        $parent['children'][] = $item;
                        break;
                    }
                }
            }
        }
        return $tree;
    }
}