"""Live synthetic functional checks; separate from corpus accuracy metrics."""

import argparse
import concurrent.futures
import copy
import json
import os
from pathlib import Path

from tools.rag.evaluation.rag_runner import request_json, OPENWEBUI_URL, DEFAULT_MODEL
from tools.graphrag.evaluation.reproducibility import sha256_file
from tools.answers.checked_generation import generate_checked_answer
from tools.answers.context_policy import joined_candidates

HERE = Path(__file__).resolve().parents[1] / "answers"


def scenarios():
    base = {
        "status": "ok",
        "reason": None,
        "complete": True,
        "truncated": False,
        "truncation_reasons": [],
        "index_version": {"version": "synthetic-functional-fixture"},
        "sources": [
            {"source_id": "S1", "document_path": "a.md", "source_url": "https://example.test/a"}
        ],
        "facts": [
            {
                "person": "Eva Vzorová",
                "title": "Vyhľadávanie informácií",
                "year": 2026,
                "document_path": "a.md",
                "source_url": "https://example.test/a",
            }
        ],
        "aggregation": None,
        "answer_candidates": [],
    }
    query = "Uveď názov práce osoby Eva Vzorová a rok práce."
    result = []
    for name, fields in [
        ("complete", {}),
        ("incomplete_without_truncated", {"complete": False}),
        ("truncated", {"complete": False, "truncated": True, "truncation_reasons": ["limit"]}),
        ("unknown_completeness", {"complete": None}),
    ]:
        context = copy.deepcopy(base)
        context.update(fields)
        result.append(
            {
                "id": name,
                "question": query,
                "context": context,
                "expected": {
                    "status": "ok",
                    "claims": [
                        {"person": "Eva Vzorová", "title": "Vyhľadávanie informácií", "year": 2026}
                    ],
                },
            }
        )
    context = copy.deepcopy(base)
    context.update(
        complete=False,
        truncated=True,
        truncation_reasons=["evidence_limit"],
        aggregation={"count": 2, "complete": True},
    )
    result.append(
        {
            "id": "exact_count_partial_evidence",
            "question": "Aký je počet vyhovujúcich osôb?",
            "context": context,
            "expected": {"status": "ok", "count": 2},
        }
    )
    context = copy.deepcopy(base)
    context["sources"].append(
        {"source_id": "S2", "document_path": "child.md", "source_url": "https://example.test/child"}
    )
    context["facts"].append(
        {
            "person": "Eva Vzorová",
            "keyword": "python",
            "document_path": "child.md",
            "source_url": "https://example.test/child",
        }
    )
    context["answer_candidates"] = joined_candidates(
        context["facts"], {"mentions_title": True, "mentions_keyword": True}
    )
    result.append(
        {
            "id": "same_person_child_tag",
            "question": "Uveď názov práce osoby Eva Vzorová v roku 2026 s kľúčovým slovom python.",
            "context": context,
            "expected": {
                "status": "ok",
                "claims": [
                    {
                        "person": "Eva Vzorová",
                        "title": "Vyhľadávanie informácií",
                        "year": 2026,
                        "keyword": "python",
                    }
                ],
            },
        }
    )
    context = copy.deepcopy(context)
    context["facts"][0].pop("title")
    context["answer_candidates"] = joined_candidates(
        context["facts"], {"years": [2026], "mentions_keyword": True}
    )
    result.append(
        {
            "id": "same_person_year_child_tag",
            "question": "Ktorá osoba spĺňa kľúčové slovo python a rok práce 2026?",
            "context": context,
            "expected": {
                "status": "ok",
                "claims": [{"person": "Eva Vzorová", "year": 2026, "keyword": "python"}],
            },
        }
    )
    result.append(
        {
            "id": "type_is_not_keyword",
            "question": "Uveď názov diplomového projektu osoby Eva Vzorová a rok.",
            "context": copy.deepcopy(base),
            "expected": {"status": "ok", "no_keyword": True},
        }
    )
    context = copy.deepcopy(base)
    context.update(status="no_answer", reason="unknown_person", facts=[], sources=[])
    result.append(
        {
            "id": "no_answer",
            "question": "Akú prácu má Neexistujúca Osoba?",
            "context": context,
            "expected": {"status": "no_answer"},
        }
    )
    return result


def main():
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument("--output", type=Path)
    args = parser.parse_args()
    from tools.runtime.report_files import report_output

    args.output = report_output(args.output, "context_scenarios")
    files = [
        Path(__file__),
        HERE / "graph_answer_prompt.txt",
        HERE / "context_policy.py",
        HERE / "checked_generation.py",
        HERE / "answer_format.py",
        HERE / "render_answer.py",
    ]
    hashes = {str(p): sha256_file(p) for p in files}
    declared = scenarios()
    args.output.parent.mkdir(parents=True, exist_ok=True)
    args.output.with_suffix(".declaration.json").write_text(
        json.dumps(
            {"method": __doc__, "model": DEFAULT_MODEL, "hashes": hashes, "scenarios": declared},
            ensure_ascii=False,
            indent=2,
        )
        + "\n"
    )
    prompt = (HERE / "graph_answer_prompt.txt").read_text()

    def run(case):
        def complete(messages):
            return request_json(
                OPENWEBUI_URL,
                method="POST",
                timeout=90,
                max_attempts=2,
                headers={
                    "Authorization": "Bearer " + os.environ["OPENWEBUI_API_KEY"],
                    "Content-Type": "application/json",
                },
                payload={
                    "model": DEFAULT_MODEL,
                    "temperature": 0,
                    "stream": False,
                    "response_format": {"type": "json_object"},
                    "messages": messages,
                },
            )

        out = generate_checked_answer(case["question"], case["context"], prompt, complete)
        answer = out.get("answer", {})
        expected = case["expected"]
        ok = answer.get("status") == expected["status"]
        for binding in expected.get("claims", []):
            ok &= any(
                all(claim.get(k) == v for k, v in binding.items())
                for claim in answer.get("claims", [])
            )
        if "count" in expected:
            ok &= answer.get("count") == expected["count"]
        if expected.get("no_keyword"):
            ok &= not any(c.get("keyword") for c in answer.get("claims", []))
        return {"id": case["id"], **out, "passed": bool(ok and out["accepted_for_delivery"])}

    with concurrent.futures.ThreadPoolExecutor(max_workers=3) as executor:
        rows = list(executor.map(run, declared))
    assert hashes == {str(p): sha256_file(p) for p in files}
    output = {
        "method": __doc__,
        "questions": rows,
        "summary": {"total": len(rows), "passed": sum(r["passed"] for r in rows)},
    }
    args.output.write_text(json.dumps(output, ensure_ascii=False, indent=2) + "\n")
    print(json.dumps(output["summary"]))


if __name__ == "__main__":
    main()