"""Generate the response example from the same mapping the API uses."""

import argparse
import json
from pathlib import Path

from ai_platform.lead_scoring.application.repository import ScoringResult
from ai_platform.lead_scoring.application.scoring import calculate_run
from ai_platform.presentation.http.run_mapping import score_json
from ai_platform.presentation.http.run_responses import ScoreResponse
from ai_platform.presentation.http.schemas import RunRequest

FIXTURES = Path(__file__).resolve().parents[1] / "contracts/lead-scoring/fixtures"
RUN_ID = "22222222-2222-4222-8222-222222222222"


def main(*, check: bool = False) -> None:
    request = RunRequest.model_validate_json((FIXTURES / "run-request.json").read_text())
    payload = request.model_dump(mode="json")
    rule_score, breakdown = calculate_run(payload)
    # Illustrative hybrid result: the AI block is hand-written, not produced by a model.
    ai = {
        "summary": "Khách hỏi lịch khai giảng và mục tiêu điểm, phản hồi nhanh.",
        "suggested_action": "Gửi lịch khai giảng và hẹn gọi tư vấn trong ngày.",
        "signals": [
            {
                "polarity": "positive",
                "signal": "Hỏi lịch khai giảng",
                "detail": "Khách chủ động hỏi tháng tới có lớp khai giảng không.",
                "source": "message-789",
            }
        ],
    }
    result = ScoringResult(
        rule_score=rule_score,
        breakdown=breakdown,
        ai_score=80,
        ai=ai,
        final_score=round((rule_score + 80) / 2),
        result_mode="hybrid",
        error_code=None,
    )
    response = ScoreResponse.model_validate(score_json(RUN_ID, payload, result))
    expected = json.dumps(response.model_dump(mode="json"), ensure_ascii=False, indent=2) + "\n"
    path = FIXTURES / "score-response.json"
    if check:
        if not path.exists() or path.read_text() != expected:
            raise SystemExit("Contract fixture drift: score-response.json; run `make contract`")
    else:
        path.write_text(expected)


if __name__ == "__main__":
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument("--check", action="store_true", help="Fail on drift without writing")
    main(check=parser.parse_args().check)