<?php

namespace app\admin\controller\game;

use app\common\controller\Backend;
use app\common\library\game\ZiHuaDictionary as ZiHuaDictionaryLib;
use InvalidArgumentException;
use support\think\Db;
use support\Response;
use Throwable;
use Webman\Http\Request as WebmanRequest;

/**
 * 36 字花字典独立编辑（仅 game_config.zi_hua_36_dictionary）
 */
class ZiHuaDictionary extends Backend
{
    protected bool $modelValidate = false;

    protected function initController(WebmanRequest $request): ?Response
    {
        return null;
    }

    /**
     * GET：读取 36 条；POST 不支持
     */
    public function index(WebmanRequest $request): Response
    {
        $response = $this->initializeBackend($request);
        if ($response !== null) {
            return $response;
        }
        if ($request->method() !== 'GET') {
            return $this->error(__('Parameter error'));
        }
        $row = Db::name('game_config')->where('config_key', ZiHuaDictionaryLib::CONFIG_KEY)->find();
        $items = ZiHuaDictionaryLib::parseFromConfigValue($row['config_value'] ?? null);
        return $this->success('', [
            'items'      => $items,
            'categories' => ZiHuaDictionaryLib::CATEGORIES,
        ]);
    }

    /**
     * 保存 JSON 数组（仅 value_type=json）
     */
    public function save(WebmanRequest $request): Response
    {
        $response = $this->initializeBackend($request);
        if ($response !== null) {
            return $response;
        }
        if ($request->method() !== 'POST') {
            return $this->error(__('Parameter error'));
        }
        $payload = $request->post();
        if (!is_array($payload)) {
            return $this->error(__('Parameter %s can not be empty', ['']));
        }
        $items = $payload['items'] ?? null;
        if (!is_array($items)) {
            return $this->error('items 必须为数组');
        }
        try {
            $clean = ZiHuaDictionaryLib::prepareItemsForSave($items);
            $json = ZiHuaDictionaryLib::encodeForDb($clean);
        } catch (InvalidArgumentException $e) {
            return $this->error($e->getMessage());
        }

        $now = time();
        try {
            $exists = Db::name('game_config')->where('config_key', ZiHuaDictionaryLib::CONFIG_KEY)->find();
            if ($exists) {
                Db::name('game_config')->where('config_key', ZiHuaDictionaryLib::CONFIG_KEY)->update([
                    'config_value' => $json,
                    'value_type'   => 'json',
                    'update_time'  => $now,
                ]);
            } else {
                Db::name('game_config')->insert([
                    'config_key'   => ZiHuaDictionaryLib::CONFIG_KEY,
                    'config_value' => $json,
                    'value_type'   => 'json',
                    'remark'       => '36字花字典 JSON 数组（独立表单维护）',
                    'create_time'  => $now,
                    'update_time'  => $now,
                ]);
            }
        } catch (Throwable $e) {
            return $this->error($e->getMessage());
        }

        return $this->success(__('Saved successfully'));
    }
}