<?php
// +----------------------------------------------------------------------
// | YwxApp [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2026-2036 http://ywxapp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Author: ywxapp<admin@ywxapp.cn>
// +----------------------------------------------------------------------

declare(strict_types=1);

namespace addon\haonav\controller\backend;

use think\facade\Db;
use addon\haonav\model\Ad as AdModel;

/**
 * 广告位后台管理
 */
class Ad extends HaonavBackend
{

    protected $noNeedVerify = ['*'];

    protected function initialize()
    {
        $this->model = new AdModel();
    }

    public function index()
    {
        if ($this->request->isAjax()) {
            $slot   = $this->request->param('slot', '');
            $status = $this->request->param('status', '');
            $page   = $this->request->param('page/d', 1);
            $limit  = $this->request->param('limit/d', 20);
            $data   = $this->model
                ->when($slot, fn($q, $s) => $q->where('slot', $s))
                ->when($status !== '', fn($q, $s) => $q->where('status', $s))
                ->order('slot')->order('sort', 'desc')->order('id', 'desc')
                ->paginate(['page' => $page, 'list_rows' => $limit]);
            $this->result->setCount($data->total());
            $this->result->success($data->items());
        }
        return $this->view->fetch('ad/index');
    }

    /**
     * 表单下拉数据（广告位列表）
     */
    public function create()
    {
        if ($this->request->isAjax()) {
            $slots = [];
            foreach (AdModel::slots() as $k => $v) {
                $slots[] = ['id' => $k, 'title' => $v];
            }
            // 直接返回数组，前端 res.data 即数组（勿再包 data）
            $this->result->success($slots);
        }
    }

    public function save()
    {
        if (! $this->request->isPost()) {
            return $this->result->error('请求方式错误');
        }
        $post = $this->request->post();
        $this->normalizeDates($post);
        Db::startTrans();
        try {
            $this->model->save($post);
            AdModel::clearCache();
            Db::commit();
            $this->result->success($this->model, '保存成功');
        } catch (\Exception $e) {
            Db::rollback();
            $this->result->error('保存失败: ' . $e->getMessage());
        }
    }

    public function edit($id = 0)
    {
        $id = $this->request->param('id');
        $model = $this->model->find($id);
        if (! $model) {
            return $this->result->error('数据不存在');
        }
        if ($this->request->isAjax()) {
            $slots = [];
            foreach (AdModel::slots() as $k => $v) {
                $slots[] = ['id' => $k, 'title' => $v];
            }
            $info                  = $model->toArray();
            $info['start_at_text'] = $model->start_at ? date('Y-m-d H:i:s', (int)$model->start_at) : '';
            $info['end_at_text']   = $model->end_at ? date('Y-m-d H:i:s', (int)$model->end_at) : '';
            $this->result->success(['info' => $info, 'slots' => $slots]);
        }
    }

    public function update()
    {
        if (! ($this->request->isAjax() && $this->request->isPut())) {
            return $this->result->error('请求方式错误');
        }
        $id   = $this->request->param('id');
        $post = $this->request->param();
        $this->normalizeDates($post);
        Db::startTrans();
        try {
            $model = $this->model->find($id);
            if (! $model) {
                throw new \think\exception\ValidateException('数据不存在');
            }
            $model->save($post);
            AdModel::clearCache();
            Db::commit();
            $this->result->success($model, '更新成功');
        } catch (\Exception $e) {
            Db::rollback();
            $this->result->error('更新失败: ' . $e->getMessage());
        }
    }

    public function delete()
    {
        $ids = (string)$this->request->param('ids', '');
        $arr = array_values(array_filter(array_map('intval', explode(',', $ids))));
        if (empty($arr)) {
            return $this->result->error('请选择数据');
        }
        $this->model->whereIn('id', $arr)->delete();
        AdModel::clearCache();
        $this->result->success([], '已删除');
    }

    /**
     * 状态开关（列表内 switch）
     */
    public function status()
    {
        if (! ($this->request->isAjax() && $this->request->isPost())) {
            return $this->result->error('请求方式错误');
        }
        $id     = (int)$this->request->param('id');
        $status = (int)$this->request->param('status');
        $model  = $this->model->find($id);
        if (! $model) {
            return $this->result->error('数据不存在');
        }
        $model->status = $status;
        $model->save();
        AdModel::clearCache();
        $this->result->success([], '操作成功');
    }

    /**
     * 排序（列表内行内编辑）
     */
    public function sort()
    {
        if (! ($this->request->isAjax() && $this->request->isPost())) {
            return $this->result->error('请求方式错误');
        }
        $id   = (int)$this->request->param('id');
        $sort = (int)$this->request->param('sort', 0);
        $model = $this->model->find($id);
        if ($model) {
            $model->sort = $sort;
            $model->save();
            AdModel::clearCache();
        }
        $this->result->success([], '已保存');
    }

    /**
     * 将日期字符串转为时间戳；空值置 null
     */
    protected function normalizeDates(array &$post): void
    {
        foreach (['start_at', 'end_at'] as $k) {
            if (empty($post[$k])) {
                $post[$k] = null;
            } else {
                $t = strtotime((string)$post[$k]);
                $post[$k] = $t === false ? null : $t;
            }
        }
    }
}