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from smolagents.tools import Tool
import requests
import json
from typing import List

class LinkedInJobSearchTool(Tool):
    name = "linkedin_job_search"
    description = "Searches for jobs on LinkedIn based on job title, location, and work mode (remote, hybrid, in-office)."
    
    inputs = {
        "position": {"type": "string", "description": "Job title (e.g., Data Scientist)"},
        "location": {"type": "string", "description": "City or country (e.g., New York)"},
        "work_mode": {"type": "string", "description": "remote, hybrid, in-office"}
    }
    
    output_type = "array"  # ✅ "array" is an authorized type

    def forward(self, position: str, location: str, work_mode: str) -> List[str]:
        """
        Searches LinkedIn for job postings using SerpAPI.
        """
        SERPAPI_KEY = "YOUR_SERPAPI_KEY"
        base_url = "https://serpapi.com/google-jobs-api"

        params = {
            "engine": "google_jobs",
            "q": f"{position} {work_mode} jobs",
            "location": location,
            "hl": "en",
            "api_key": SERPAPI_KEY
        }

        response = requests.get(base_url, params=params)

        if response.status_code == 200:
            data = response.json()
            job_results = data.get("jobs_results", [])

            formatted_jobs = [
                f"Title: {job['title']}, Company: {job.get('company_name', 'N/A')}, "
                f"Location: {job.get('location', 'N/A')}, Posted: {job.get('detected_extensions', {}).get('posted_at', 'N/A')}, "
                f"Link: {job.get('job_id', 'N/A')}"
                for job in job_results
            ]

            return formatted_jobs  # ✅ Returns an array of strings

        else:
            return [f"Error: {response.status_code} - {response.text}"]  # Return error as array