from __future__ import annotations

import json
import subprocess
from datetime import date
from pathlib import Path

from rein_aharness import fi_research_brief


def _git(cwd: Path, *args: str) -> None:
    subprocess.run(["git", "-C", str(cwd), *args], check=True, capture_output=True)


def _repo(tmp_path: Path) -> Path:
    repo = tmp_path / "freedom-intelligence"
    repo.mkdir()
    subprocess.run(["git", "init", "-q", "-b", "main"], cwd=repo, check=True)
    (repo / "README.md").write_text("baseline\n", encoding="utf-8")
    subprocess.run(["git", "add", "."], cwd=repo, check=True)
    subprocess.run(
        [
            "git",
            "-c",
            "user.email=test@example.invalid",
            "-c",
            "user.name=test",
            "commit",
            "-qm",
            "baseline",
        ],
        cwd=repo,
        check=True,
    )
    return repo


def _with_origin(tmp_path: Path, repo: Path) -> Path:
    remote = tmp_path / "origin.git"
    subprocess.run(["git", "init", "--bare", "-q", "-b", "main", str(remote)], check=True)
    _git(repo, "remote", "add", "origin", str(remote))
    _git(repo, "push", "-u", "origin", "HEAD:main")
    return remote


def _complete(_prompt: str) -> str:
    return json.dumps(
        {
            "headline_deltas": ["No material delta after allowlist review."],
            "axis_a": [],
            "axis_b": [],
            "axis_c": [],
            "axis_d": [],
            "collection_candidates": [],
            "lab_implications": ["Recheck tomorrow."],
        }
    )


def test_fi_brief_pushes_to_origin_and_records_sha(tmp_path: Path) -> None:
    repo = _repo(tmp_path)
    _with_origin(tmp_path, repo)
    result = fi_research_brief.run_fi_research_brief(
        repo,
        day=date(2026, 9, 13),
        report_to_hub=False,
        complete_fn=_complete,
    )
    assert result.ok is True
    assert result.committed is True
    assert result.pushed is True
    assert result.origin_sha
    remote_head = subprocess.run(
        ["git", "-C", str(tmp_path / "origin.git"), "rev-parse", "HEAD"],
        check=True,
        capture_output=True,
        text=True,
    ).stdout.strip()
    assert remote_head == result.origin_sha
    brief = repo / "briefs" / "2026" / "09" / "2026-09-13.md"
    assert brief.is_file()


def test_fi_brief_push_failure_is_not_a_completed_day(
    tmp_path: Path, monkeypatch
) -> None:
    repo = _repo(tmp_path)
    posted: list[dict] = []

    def fake_post(**kwargs):
        posted.append(kwargs)

    monkeypatch.setattr(fi_research_brief.hub, "post_progress_event", fake_post)
    result = fi_research_brief.run_fi_research_brief(
        repo,
        day=date(2026, 9, 13),
        report_to_hub=True,
        complete_fn=_complete,
    )
    assert result.ok is False
    assert result.committed is True
    assert result.pushed is False
    assert "origin publish failed" in result.reason
    assert posted
    assert posted[-1]["event_type"] == "executor_run"
    assert posted[-1]["detail"]["pushed"] is False