<?php

namespace app\api\controller;

use think\Db;

/**
 * 后台管理端 · 系统设置（Module-ADM-SETTING）
 * 路由：
 *   GET|POST /api/v1/admin/setting/base       AS1 基础配置
 *   POST     /api/v1/admin/setting/pay        AS2 微信支付配置
 *   GET|POST /api/v1/admin/setting/fee        AS3 费用配置
 *   GET      /api/v1/admin/setting/areas      AS4 区域列表
 *   POST     /api/v1/admin/setting/area       AS5 保存区域
 *   GET|POST /api/v1/admin/setting/ui         AS6 站点 UI 配置
 *   POST     /api/v1/admin/setting/ui/reset   AS7 重置 UI 配置
 *   POST     /api/v1/admin/upload             AS8 文件上传
 */
class AdminSetting extends V1
{
    /**
     * AS1 基础配置
     * GET  → {appName,logo,servicePhone,aboutUs,shareTitle}
     * POST 入参 {appName,logo,servicePhone,aboutUs,shareTitle} → 合并后的完整配置
     */
    public function base()
    {
        if ($this->request->isPost()) {
            $appName = trim((string)$this->input('appName', ''));
            if ($appName === '') {
                $this->fail('小程序名称不能为空');
            }
            $this->setCfg('base.appName', $appName);
            $this->setCfg('base.logo', (string)$this->input('logo', $this->cfg('base.logo', '')));
            $this->setCfg('base.servicePhone', (string)$this->input('servicePhone', $this->cfg('base.servicePhone', '400-000-0000')));
            $this->setCfg('base.aboutUs', (string)$this->input('aboutUs', $this->cfg('base.aboutUs', '')));
            $this->setCfg('base.shareTitle', (string)$this->input('shareTitle', $this->cfg('base.shareTitle', '')));
            $this->adminLog('修改基础配置');
        }

        $this->ok($this->baseConfig());
    }

    /**
     * AS2 微信支付配置
     * POST /api/v1/admin/setting/pay 入参 {mchId,apiKey} → {configured:true}
     */
    public function pay()
    {
        $mchId = trim((string)$this->input('mchId', ''));
        $apiKey = trim((string)$this->input('apiKey', ''));

        if ($mchId === '') {
            $this->fail('微信支付商户号不能为空');
        }
        if ($apiKey === '') {
            $this->fail('支付密钥不能为空');
        }

        $this->setCfg('pay.mchId', $mchId);
        $this->setCfg('pay.apiKey', $apiKey);
        $this->adminLog('修改微信支付配置');

        $this->ok(['configured' => true]);
    }

    /**
     * AS3 费用配置
     * GET  → {singlePost,freePostPerDay,memberMonth,memberQuarter,memberYear}
     * POST 入参同字段 → 合并后配置；同时同步 fc_plan 价格
     */
    public function fee()
    {
        if ($this->request->isPost()) {
            $singlePost = (float)$this->input('singlePost', $this->cfg('fee.singlePost', 5));
            if ($singlePost < 0) {
                $this->fail('单条发布价格不能为负');
            }
            $freePostPerDay = (int)$this->input('freePostPerDay', $this->cfg('fee.freePostPerDay', 2));
            $memberMonth = (float)$this->input('memberMonth', $this->cfg('fee.memberMonth', 19.9));
            $memberQuarter = (float)$this->input('memberQuarter', $this->cfg('fee.memberQuarter', 49.9));
            $memberYear = (float)$this->input('memberYear', $this->cfg('fee.memberYear', 168));

            $this->setCfg('fee.singlePost', $singlePost);
            $this->setCfg('fee.freePostPerDay', $freePostPerDay);
            $this->setCfg('fee.memberMonth', $memberMonth);
            $this->setCfg('fee.memberQuarter', $memberQuarter);
            $this->setCfg('fee.memberYear', $memberYear);

            Db::name('fc_plan')->where('plan_code', 'M1')->update(['price' => $memberMonth]);
            Db::name('fc_plan')->where('plan_code', 'M3')->update(['price' => $memberQuarter]);
            Db::name('fc_plan')->where('plan_code', 'M12')->update(['price' => $memberYear]);

            $this->adminLog('修改费用配置');
        }

        $this->ok($this->feeConfig());
    }

    /**
     * AS4 区域列表
     * GET /api/v1/admin/setting/areas → 数组 [{id,name,sort,enabled}]
     */
    public function areas()
    {
        $rows = Db::name('fc_area')->order('sort asc')->select();

        $list = [];
        foreach ($rows as $row) {
            $list[] = [
                'id'      => (int)$row['id'],
                'name'    => (string)$row['name'],
                'sort'    => (int)$row['sort'],
                'enabled' => (bool)$row['enabled'],
            ];
        }

        $this->ok($list);
    }

    /**
     * AS5 保存区域
     * POST /api/v1/admin/setting/area 入参 {id?,name,sort,enabled} → {id,name}
     */
    public function saveArea()
    {
        $id = (int)$this->input('id', 0);
        $name = trim((string)$this->input('name', ''));
        $sort = (int)$this->input('sort', 0);
        $enabled = (bool)$this->input('enabled', true);

        if ($name === '') {
            $this->fail('区域名称不能为空');
        }

        $data = [
            'name'    => $name,
            'sort'    => $sort,
            'enabled' => $enabled ? 1 : 0,
        ];

        if ($id && Db::name('fc_area')->where('id', $id)->find()) {
            Db::name('fc_area')->where('id', $id)->update($data);
        } else {
            $id = Db::name('fc_area')->insertGetId($data);
        }

        $this->adminLog('保存区域 #' . $id . ' ' . $name);

        $this->ok(['id' => (int)$id, 'name' => $name]);
    }

    /**
     * AS6 站点 UI 配置（LOGO / 图标）
     * GET  → {siteName,logo,icons,updatedAt}
     * POST 入参 {siteName?,logo?,icons?}（合并语义：只覆盖传入的 key） → 完整配置
     */
    public function ui()
    {
        if ($this->request->isPost()) {
            $siteName = $this->input('siteName', null);
            if ($siteName !== null) {
                $this->setCfg('ui.siteName', (string)$siteName);
            }

            $logo = $this->input('logo', null);
            if ($logo !== null) {
                $this->setCfg('ui.logo', (string)$logo);
            }

            $icons = $this->input('icons', null);
            if ($icons !== null) {
                if (is_string($icons)) {
                    $icons = json_decode($icons, true);
                }
                $icons = is_array($icons) ? $icons : (array)$icons;
                $merged = (array)$this->cfg('ui.icons', []);
                foreach ($icons as $k => $v) {
                    if (!is_string($v)) {
                        $this->fail('图标 ' . $k . ' 的地址必须是字符串');
                    }
                    $merged[$k] = $v;
                }
                $this->setCfg('ui.icons', $merged);
            }

            $this->setCfg('ui.updatedAt', date('c'));
            $this->adminLog('修改LOGO与图标配置');
        }

        $this->ok($this->uiConfig());
    }

    /**
     * AS7 重置 UI 配置
     * POST /api/v1/admin/setting/ui/reset → {siteName,logo,icons,reset}
     */
    public function uiReset()
    {
        $this->setCfg('ui.logo', '');
        $this->setCfg('ui.icons', []);
        $this->setCfg('ui.updatedAt', date('c'));
        $this->adminLog('重置LOGO与图标配置');

        $this->ok([
            'siteName' => (string)$this->cfg('ui.siteName', '同城分类信息'),
            'logo'     => '',
            'icons'    => (object)[],
            'reset'    => true,
        ]);
    }

    /**
     * AS8 文件上传
     * POST /api/v1/admin/upload multipart 字段 file → {url}
     */
    public function upload()
    {
        $file = $this->request->file('file');
        if (!$file) {
            $this->fail('未接收到上传文件');
        }
        try {
            $upload = new \app\common\library\Upload($file);
            $attachment = $upload->upload();
        } catch (\Exception $e) {
            $this->fail($e->getMessage());
        }

        $this->ok(['url' => cdnurl($attachment->url, true)]);
    }

    /** 基础配置结构 */
    protected function baseConfig()
    {
        return [
            'appName'      => (string)$this->cfg('base.appName', '同城分类信息'),
            'logo'         => (string)$this->cfg('base.logo', ''),
            'servicePhone' => (string)$this->cfg('base.servicePhone', '400-000-0000'),
            'aboutUs'      => (string)$this->cfg('base.aboutUs', ''),
            'shareTitle'   => (string)$this->cfg('base.shareTitle', ''),
        ];
    }

    /** 费用配置结构 */
    protected function feeConfig()
    {
        return [
            'singlePost'     => (float)$this->cfg('fee.singlePost', 5),
            'freePostPerDay' => (int)$this->cfg('fee.freePostPerDay', 2),
            'memberMonth'    => (float)$this->cfg('fee.memberMonth', 19.9),
            'memberQuarter'  => (float)$this->cfg('fee.memberQuarter', 49.9),
            'memberYear'     => (float)$this->cfg('fee.memberYear', 168),
        ];
    }

    /** UI 配置结构（icons 保证为对象） */
    protected function uiConfig()
    {
        $icons = $this->cfg('ui.icons', []);
        $icons = is_array($icons) ? $icons : (array)$icons;

        return [
            'siteName'  => (string)$this->cfg('ui.siteName', '同城分类信息'),
            'logo'      => (string)$this->cfg('ui.logo', ''),
            'icons'     => (object)$icons,
            'updatedAt' => (string)$this->cfg('ui.updatedAt', date('c')),
        ];
    }
}