<?php

namespace app\adminapi\logic\community;

use app\common\logic\BaseLogic;
use app\common\model\community\CommunityCategory;
use app\common\model\community\CommunityPost;
use app\common\model\user\User;
use app\common\service\ai\KbSyncService;
use think\facade\Db;

class CommunityPostLogic extends BaseLogic
{
    public static function detail($params): array
    {
        $post = CommunityPost::findOrEmpty($params['id'])->toArray();
        if (!empty($post['create_time']) && is_numeric($post['create_time'])) {
            $post['create_time'] = date('Y-m-d H:i:s', $post['create_time']);
        }
        if (!empty($post['update_time']) && is_numeric($post['update_time'])) {
            $post['update_time'] = date('Y-m-d H:i:s', $post['update_time']);
        }
        $user = User::field('nickname,avatar')->findOrEmpty($post['user_id'] ?? 0)->toArray();
        $post['nickname'] = $user['nickname'] ?? '-';
        $post['avatar'] = $user['avatar'] ?? '';
        $post['category_name'] = (int) ($post['category_id'] ?? 0) > 0
            ? (string) CommunityCategory::where('id', $post['category_id'])->value('name')
            : '';
        return $post;
    }

    public static function updateStatus(array $params): bool
    {
        try {
            CommunityPost::update([
                'id' => $params['id'],
                'status' => $params['status'],
            ]);
            KbSyncService::enqueue(
                'post',
                'post',
                (int) $params['id'],
                (int) $params['status'] === 1 ? 'upsert' : 'delete',
                30
            );
            return true;
        } catch (\Exception $e) {
            self::setError($e->getMessage());
            return false;
        }
    }

    public static function setTop(array $params): bool
    {
        try {
            CommunityPost::update([
                'id' => $params['id'],
                'is_top' => $params['is_top'],
            ]);
            return true;
        } catch (\Exception $e) {
            self::setError($e->getMessage());
            return false;
        }
    }

    public static function setHot(array $params): bool
    {
        try {
            CommunityPost::update([
                'id' => $params['id'],
                'is_hot' => $params['is_hot'],
            ]);
            return true;
        } catch (\Exception $e) {
            self::setError($e->getMessage());
            return false;
        }
    }

    public static function setRecommend(array $params): bool
    {
        try {
            CommunityPost::update([
                'id' => $params['id'],
                'is_recommend' => $params['is_recommend'],
            ]);
            return true;
        } catch (\Exception $e) {
            self::setError($e->getMessage());
            return false;
        }
    }

    public static function setTopic(array $params): bool
    {
        try {
            CommunityPost::update([
                'id' => $params['id'],
                'is_topic' => $params['is_topic'],
            ]);
            return true;
        } catch (\Exception $e) {
            self::setError($e->getMessage());
            return false;
        }
    }

    public static function setCategory(array $params): bool
    {
        $post = CommunityPost::findOrEmpty($params['id']);
        if ($post->isEmpty()) {
            self::setError('帖子不存在');
            return false;
        }

        $oldCategoryId = (int) $post->category_id;
        $newCategoryId = (int) $params['category_id'];
        if ($oldCategoryId === $newCategoryId) {
            return true;
        }

        Db::startTrans();
        try {
            $post->category_id = $newCategoryId;
            $post->save();
            self::refreshCategoryCount($oldCategoryId);
            self::refreshCategoryCount($newCategoryId);
            Db::commit();
            return true;
        } catch (\Exception $e) {
            Db::rollback();
            self::setError($e->getMessage());
            return false;
        }
    }

    public static function delete(array $params)
    {
        $categoryId = (int) CommunityPost::where('id', $params['id'])->value('category_id');
        CommunityPost::destroy($params['id']);
        self::refreshCategoryCount($categoryId);
        KbSyncService::enqueue('post', 'post', (int) $params['id'], 'delete', 20);
    }

    private static function refreshCategoryCount(int $categoryId): void
    {
        if ($categoryId <= 0) {
            return;
        }
        CommunityCategory::where('id', $categoryId)->update([
            'post_count' => CommunityPost::where('category_id', $categoryId)->count(),
            'update_time' => time(),
        ]);
    }
}