<?php

namespace app\api\controller;

use app\common\service\ai\AiAssistantService;

class AssistantController extends BaseApiController
{
    public array $notNeedLogin = ['chat', 'sessions', 'messages', 'clear'];

    public function chat()
    {
        $message = trim((string) $this->request->post('message', ''));
        $clientId = trim((string) $this->request->post('client_id', ''));
        $sessionId = (int) $this->request->post('session_id/d', 0);

        if ($message === '') {
            return $this->fail('请输入要咨询的问题');
        }

        $result = AiAssistantService::chat($message, $this->userId, $clientId, $sessionId, $this->request->ip());
        if (empty($result['success'])) {
            return $this->fail($result['error'] ?? 'AI助手暂时不可用');
        }

        return $this->data($result['data']);
    }

    public function sessions()
    {
        $clientId = trim((string) $this->request->get('client_id', ''));
        return $this->data(AiAssistantService::sessions($this->userId, $clientId));
    }

    public function messages()
    {
        $sessionId = (int) $this->request->get('session_id/d', 0);
        $clientId = trim((string) $this->request->get('client_id', ''));
        if ($sessionId <= 0) {
            return $this->fail('会话参数缺失');
        }

        $result = AiAssistantService::messages($sessionId, $this->userId, $clientId);
        if (empty($result['success'])) {
            return $this->fail($result['error'] ?? '会话不存在');
        }

        return $this->data($result['data']);
    }

    public function clear()
    {
        $sessionId = (int) $this->request->post('session_id/d', 0);
        $clientId = trim((string) $this->request->post('client_id', ''));

        $result = AiAssistantService::clear($sessionId, $this->userId, $clientId);
        if (empty($result['success'])) {
            return $this->fail($result['error'] ?? '清空失败');
        }

        return $this->success('操作成功');
    }
}