"""Retro entrypoint tests (AGENTIC-WP-0010 T03)."""

import json
import os
import sys

sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

from session_memory.core.store import Store  # noqa: E402
from session_memory.retro.__main__ import main, run_retro  # noqa: E402


def _digest(uid, repo, ts, retries=5):
    return {
        "session_uid": uid, "flavor": "claude", "repo": repo, "outcome": "fail",
        "started_at": ts, "event_count": 40,
        "first_prompt": "Fix the failing build and retry the suite repeatedly",
        "cost": {"input_tokens": 100, "output_tokens": 10},
        "tool_histogram": {"Bash": 20, "Edit": 12, "Read": 8},
        "markers": {"errors": 0, "retries": retries, "test_runs": 0},
        "error_snippets": [],
    }


def _config(tmp_path):
    store = tmp_path / ".store"
    toml = tmp_path / "config.toml"
    toml.write_text(
        f'[store]\ndb_path="{store / "m.db"}"\nblob_dir="{store / "blobs"}"\ncursor="{store / "c.json"}"\n'
        f'[curate]\ncatalog_dir="{tmp_path / "catalog"}"\n'
        f'[retro]\nwindow_days=7\nreport_json="{tmp_path / "r.json"}"\nreport_md="{tmp_path / "r.md"}"\n')
    st = Store(str(store / "m.db"), str(store / "blobs"))
    st.write_digest("claude:a", _digest("claude:a", "r1", "2026-06-01T10:00:00Z"))
    st.write_digest("claude:b", _digest("claude:b", "r1", "2026-06-02T10:00:00Z"))
    st.close()
    return str(toml), tmp_path


def test_run_retro_over_store(tmp_path):
    from session_memory.ingest import load_config
    cfg_path, _ = _config(tmp_path)
    rep = run_retro(load_config(cfg_path), since="2026-05-30T00:00:00Z", until="2026-06-08T00:00:00Z")
    assert rep["n_sessions"] == 2
    assert rep["suggestions"]


def test_main_writes_report_files(tmp_path, capsys):
    cfg_path, tp = _config(tmp_path)
    rc = main(["--config", cfg_path, "--since", "2026-05-30T00:00:00Z",
               "--until", "2026-06-08T00:00:00Z"])
    assert rc == 0
    assert os.path.exists(str(tp / "r.json")) and os.path.exists(str(tp / "r.md"))
    assert "Weekly Coding Retro" in capsys.readouterr().out


def test_main_json(tmp_path, capsys):
    cfg_path, _ = _config(tmp_path)
    rc = main(["--config", cfg_path, "--since", "2026-05-30T00:00:00Z",
               "--until", "2026-06-08T00:00:00Z", "--json"])
    assert rc == 0
    data = json.loads(capsys.readouterr().out)
    assert data["report"]["n_sessions"] == 2
    assert data["published"] is None  # no --publish