"""Перечень модалок: python -m perfkit.modals_inventory <run_dir> -> perf/report-data/<run_id>/modals-inventory.md.

Источник - perf/e2e/modals.json (строится по коду web/src); если в <run_dir> есть modal.jsonl, в таблицу
добавляются n и медиана click_to_visible_ms по каждому target (включая варианты `<id>@big`).
"""
from __future__ import annotations

import json
import statistics
import sys
from pathlib import Path

from . import PERF_DIR, REPORT_DATA_DIR
from .results import read_all

MODALS_JSON = PERF_DIR / "e2e" / "modals.json"


def load_modals(path: Path = MODALS_JSON) -> list[dict]:
    return json.loads(Path(path).read_text(encoding="utf-8"))


def _measured(run_dir) -> dict[str, list[float]]:
    out: dict[str, list[float]] = {}
    if run_dir is None:
        return out
    for r in read_all(run_dir):
        if r.get("scenario") != "modal" or r.get("incomplete"):
            continue
        v = r.get("metrics", {}).get("click_to_visible_ms")
        if isinstance(v, (int, float)):
            out.setdefault(r["target"], []).append(v)
    return out


def build(modals: list[dict], run_dir=None) -> list[dict]:
    meas = _measured(run_dir)
    rows = []
    for m in modals:
        row = {k: m.get(k) for k in ("id", "title", "page", "source", "priority", "role", "skip_reason", "note")}
        row["open"] = m["open"]["selector"]
        row["pre"] = len(m["open"].get("pre") or [])
        vals = meas.get(m["id"], [])
        if m.get("skip_reason"):
            row.update(status="skip", n=0, median_ms=None)
        elif vals:
            row.update(status="measured", n=len(vals), median_ms=statistics.median(vals))
        else:
            row.update(status="not_run", n=0, median_ms=None)
        rows.append(row)
        if m.get("big_sheet"):
            bv = meas.get(f"{m['id']}@big", [])
            rows.append({**row, "id": f"{m['id']}@big", "title": f"{m['title']} (самый большой лист {m['big_sheet']})",
                         "status": "measured" if bv else "not_run", "n": len(bv),
                         "median_ms": statistics.median(bv) if bv else None})
    return rows


def render_md(rows: list[dict]) -> str:
    lines = [
        "# Перечень модалок",
        "",
        "Источник: `perf/e2e/modals.json` (поиск по `web/src`: `common/Modal`, emotion-модалки `ModalBackdrop`, MUI `Dialog`/`Modal`/`Popover`).",
        "priority 1 - листы форм, задача, проект, проекты, задачи; priority 2 - админка и справочник ВСП.",
        "",
        "| id | страница | source | priority | роль | открытие | статус | n | медиана, мс | skip_reason |",
        "|---|---|---|---|---|---|---|---|---|---|",
    ]
    for r in rows:
        med = "" if r["median_ms"] is None else f"{r['median_ms']:.0f}"
        opn = f"`{r['open']}`" + (f" (+{r['pre']} шаг.)" if r["pre"] else "") if r["open"] else ""
        lines.append(
            f"| `{r['id']}` | {r['page']} | `{r['source']}` | {r['priority']} | {r['role']} | {opn} | {r['status']} | {r['n']} | {med} | {r.get('skip_reason') or ''} |"
        )
    skipped = sum(1 for r in rows if r["status"] == "skip")
    lines += ["", f"Всего: {len(rows)}, без skip_reason: {len(rows) - skipped}, skip_reason: {skipped}."]
    return "\n".join(lines) + "\n"


def main(argv=None) -> int:
    argv = sys.argv[1:] if argv is None else argv
    if len(argv) != 1:
        print("usage: python -m perfkit.modals_inventory <run_dir>", file=sys.stderr)
        return 2
    run_dir = Path(argv[0])
    out = REPORT_DATA_DIR / run_dir.resolve().name
    out.mkdir(parents=True, exist_ok=True)
    (out / "modals-inventory.md").write_text(render_md(build(load_modals(), run_dir)), encoding="utf-8")
    print(out / "modals-inventory.md")
    return 0


if __name__ == "__main__":
    raise SystemExit(main())