<?php

namespace app\admin\controller;

use app\model\ApiKey as ApiKeyModel;
use think\facade\Session;
use think\facade\View;

class ApiKey extends Common
{
    /**
     * API Key 管理页面
     */
    public function index()
    {
        $admin_id = Session::get('admin_id');
        $api_key = ApiKeyModel::where('admin_id', $admin_id)->find();

        if (!empty($api_key)) {
            $api_key->api_key_preview = substr($api_key->getData('api_key'), 0, 8) . '...';
            $api_key->status_text = $api_key->status == 1 ? '启用' : '禁用';
            $create_time = $api_key->getData('create_time');
            $timestamp = null;

            if (is_int($create_time) || (is_string($create_time) && ctype_digit($create_time))) {
                $timestamp = (int) $create_time;
            } elseif (is_string($create_time) && $create_time !== '') {
                $parsed_time = strtotime($create_time);
                if ($parsed_time !== false) {
                    $timestamp = $parsed_time;
                }
            }

            $api_key->create_time_text = $timestamp !== null ? date('Y-m-d H:i:s', $timestamp) : '-';
        }

        View::assign('api_key', $api_key);
        View::assign('admin_info', $this->adminInfo);

        return View::fetch();
    }

    /**
     * 生成 API Key
     */
    public function generate()
    {
        $admin_id = Session::get('admin_id');
        $name = $this->request->param('name', '');

        $exists = ApiKeyModel::where('admin_id', $admin_id)->find();
        if (!empty($exists)) {
            return json_message('您已有 API Key，如需更换请使用重新生成');
        }

        $raw_key = ApiKeyModel::generateKey($admin_id, $name);

        return json_message(['api_key' => $raw_key, 'name' => $name], 0, 'API Key 生成成功，请妥善保管');
    }

    /**
     * 重新生成 API Key
     */
    public function regenerate()
    {
        $id = $this->request->param('id', 0);
        $admin_id = Session::get('admin_id');

        $api_key = ApiKeyModel::find($id);
        if (empty($api_key) || $api_key->admin_id != $admin_id) {
            return json_message('API Key 不存在或无权操作');
        }

        $raw_key = ApiKeyModel::regenerateKey($id);

        return json_message(['api_key' => $raw_key], 0, 'API Key 已重新生成');
    }

    /**
     * 启用/禁用 API Key
     */
    public function toggle()
    {
        $id = $this->request->param('id', 0);
        $admin_id = Session::get('admin_id');

        $api_key = ApiKeyModel::find($id);
        if (empty($api_key) || $api_key->admin_id != $admin_id) {
            return json_message('API Key 不存在或无权操作');
        }

        $api_key->status = $api_key->status == 1 ? 0 : 1;
        $api_key->save();

        return json_message('', 0, '状态已更新');
    }

    /**
     * 切换写权限
     */
    public function toggleWrite()
    {
        $id = $this->request->param('id', 0);
        $field = $this->request->param('field', '');
        $value = $this->request->param('value', 0);
        $admin_id = Session::get('admin_id');

        if (!in_array($field, ['can_write_own', 'can_write_other'])) {
            return json_message('无效的权限字段');
        }

        $api_key = ApiKeyModel::find($id);
        if (empty($api_key) || $api_key->admin_id != $admin_id) {
            return json_message('API Key 不存在或无权操作');
        }

        $api_key->$field = $value ? 1 : 0;
        $api_key->save();

        return json_message('', 0, '权限已更新');
    }

    /**
     * 设置删除权限
     */
    public function updateDelete()
    {
        $id = $this->request->param('id', 0);
        $value = $this->request->param('value', 0);
        $admin_id = Session::get('admin_id');

        $api_key = ApiKeyModel::find($id);
        if (empty($api_key) || $api_key->admin_id != $admin_id) {
            return json_message('API Key 不存在或无权操作');
        }

        $api_key->can_delete = intval($value);
        $api_key->save();

        return json_message('', 0, '删除权限已更新');
    }
}