"""Employment LLM prompt builders.

Pure module: no FastAPI imports and no HTTPException.
"""

from __future__ import annotations

import json

NO_COMPANY="no company was mentioned"
EDUCATION="No Education Mentioned"
CURRENT_TITLE="No JOB POSITION MENTIONED"

def prompt():
    return f"""You are an HR-ATS recruiting assistant.

You are given CV/resume text. Identify the candidate's CURRENT employer company
name and their education (degree / school) when present.

Rules:
- Return only the company name that appears in the resume text for the ongoing / most recent role.
- Return only education that appears in the resume text.
- Return only job title that appears in the resume text.
- The company string you return MUST appear verbatim (or as a clear substring) in the resume text.
- The education string you return MUST appear verbatim (or as a clear substring) in the resume text.
- The job title string you return MUST appear verbatim (or as a clear substring) in the resume text.
- Do not invent a company. If none is mentioned, return exactly: {NO_COMPANY}
- Do not invent education. If none is mentioned, return exactly: {EDUCATION}
- Do not invent job title. If none is mentioned, return exactly: {CURRENT_TITLE}

Respond with JSON only:
{{
  "current_employment": "Company Name",
  "education": "Degree / School",
  "current_title": "Job Title"
}}
"""


def user_prompt(resume_text:str) -> str:
    return json.dumps({"resume_text":resume_text or ""},ensure_ascii=False)