<?php
namespace app\api\controller\asset;

use app\api\controller\BaseApiController;
use app\common\model\AssetUser;
use app\common\model\AssetResource;
use app\common\model\AssetUserResource;
use think\facade\Db;

class AssetAppController extends BaseApiController
{
    // 所有接口都免框架登录验证（使用独立 asset_token 体系，在方法内自行校验）
    public array $notNeedLogin = ['login', 'getResourceList', 'changePassword'];

    /** token 有效期：7 天 */
    const TOKEN_EXPIRE = 86400 * 7;

    /**
     * @notes 通过 token 获取当前用户（数据库校验）
     */
    private function getAssetUser(): ?AssetUser
    {
        $token = $this->request->header('token');
        if (empty($token)) {
            return null;
        }
        $user = AssetUser::where('token', $token)
            ->where('token_expire_time', '>', time())
            ->where('status', 1)
            ->find();
        return $user ?: null;
    }

    /**
     * @notes 小程序端登录
     */
    public function login()
    {
        $phone = $this->request->post('phone');
        $password = $this->request->post('password');

        if (empty($phone) || empty($password)) {
            return $this->fail('手机号或密码不能为空');
        }

        $user = AssetUser::where('phone', $phone)->find();
        if (!$user) {
            return $this->fail('账号不存在');
        }

        if ($user->status != 1) {
            return $this->fail('账号已被禁用');
        }

        if (!password_verify($password, $user->password)) {
            return $this->fail('密码错误');
        }

        // 生成 token 并持久化到数据库
        $token = md5($user->id . time() . uniqid('asset', true));
        $user->token = $token;
        $user->token_expire_time = time() + self::TOKEN_EXPIRE;
        $user->save();

        return $this->success('登录成功', [
            'token' => $token,
            'user' => [
                'id' => $user->id,
                'phone' => $user->phone
            ]
        ]);
    }

    /**
     * @notes 获取用户关联的资源列表
     */
    public function getResourceList()
    {
        $user = $this->getAssetUser();
        if (!$user) {
            return $this->fail('登录已过期，请重新登录', [], -1);
        }

        $type = $this->request->get('type', 1);
        $pageNo = $this->request->get('page_no', 1);
        $pageSize = $this->request->get('page_size', 20);
        $days = (int)$this->request->get('days', 0);

        $resourceIds = AssetUserResource::where('user_id', $user->id)->column('resource_id');

        if (empty($resourceIds)) {
            return $this->data([
                'lists' => [],
                'count' => 0,
                'page_no' => $pageNo,
                'page_size' => $pageSize,
            ]);
        }

        $query = AssetResource::whereIn('id', $resourceIds)->where('type', $type);
        if ($days > 0) {
            $startTime = strtotime("-{$days} days", strtotime(date('Y-m-d')));
            $query = $query->where('create_time', '>=', $startTime);
        }

        $count = (clone $query)->count();
        $lists = (clone $query)
            ->order('id', 'desc')
            ->page($pageNo, $pageSize)
            ->select();

        return $this->data([
            'lists' => $lists,
            'count' => $count,
            'page_no' => $pageNo,
            'page_size' => $pageSize,
        ]);
    }

    /**
     * @notes 修改密码
     */
    public function changePassword()
    {
        $user = $this->getAssetUser();
        if (!$user) {
            return $this->fail('登录已过期，请重新登录', [], -1);
        }

        $oldPassword = $this->request->post('old_password');
        $password = $this->request->post('password');

        if (empty($oldPassword)) {
            return $this->fail('请输入原密码');
        }
        if (empty($password)) {
            return $this->fail('请输入新密码');
        }
        if (strlen($password) < 6) {
            return $this->fail('新密码至少6位');
        }

        if (!password_verify($oldPassword, $user->password)) {
            return $this->fail('原密码不正确');
        }

        $user->password = password_hash($password, PASSWORD_DEFAULT);
        $user->save();

        return $this->success('密码修改成功');
    }
}