#!/usr/bin/env python3
"""Generate a dry-run adaptation report (no platform side effects).

Reads config/candidates.example.json (or DRY_RUN_CANDIDATES path).
Writes reports/dry-run-<Asia/Shanghai-timestamp>.md
"""

from __future__ import annotations

import json
import os
import sys
from datetime import datetime
from pathlib import Path
from zoneinfo import ZoneInfo

ROOT = Path(__file__).resolve().parents[1]
TZ = ZoneInfo("Asia/Shanghai")


def _load_candidates(path: Path) -> list[dict]:
    data = json.loads(path.read_text(encoding="utf-8"))
    if isinstance(data, list):
        return data
    if isinstance(data, dict) and "candidates" in data:
        return list(data["candidates"])
    raise SystemExit(f"unexpected candidates schema in {path}")


def _render(candidates: list[dict], ts: str, src: Path) -> str:
    lines = [
        f"# Dry-run 适配建议报告 — {ts} (Asia/Shanghai)",
        "",
        "> **模式：dry-run** — 本报告不产生平台侧真实提交。",
        "> **需 Victor 人工提交**：请登录模盒控制台按草稿确认后手工提交。",
        "> **积分：待平台核实**（发布智能体本身不得分；成功适配按账本计）。",
        "",
        "## 闸门状态",
        "",
        f"- ALLOW_LIVE_SUBMIT is 1: {os.environ.get('ALLOW_LIVE_SUBMIT', '0').strip() == '1'}",
        f"- LIVE_CONFIRM set: {'yes' if os.environ.get('LIVE_CONFIRM', '').strip() else 'no'}",
        f"- STRATEGY_ID present: {'yes' if os.environ.get('STRATEGY_ID', '').strip() else 'no'}",
        "",
        "## 输入",
        "",
        f"- 候选文件：`{src}`",
        f"- 候选条数：{len(candidates)}",
        "",
        "## 建议草稿（字段示意，非真实 POST）",
        "",
    ]
    for i, c in enumerate(candidates, 1):
        model = c.get("modelAddress") or c.get("model_id") or "(missing model_id)"
        lines.append(f"### {i}. `{model}`")
        lines.append("")
        lines.append("```json")
        draft = {
            "modelAddress": model,
            "taskType": c.get("taskType", "text-generation"),
            "targetGpu": c.get("targetGpu", "(unset)"),
            "framework": c.get("framework", "(unset)"),
            "strategyId": "<PLATFORM_INJECTED_STRATEGY_ID>",
            "configParams": "<from build-config — not fetched in Phase1 dry-run>",
            "notes": c.get("notes", ""),
        }
        lines.append(json.dumps(draft, ensure_ascii=False, indent=2))
        lines.append("```")
        lines.append("")
        lines.append("- 风险：Phase1 未做唯一性/硬门预检；提交前请对照 do-not-resubmit 与队列空位。")
        lines.append("- **需 Victor 人工提交**（或经双重闸门的受控 live；本骨架默认拒绝 live）。")
        lines.append("- **积分：待平台核实**")
        lines.append("")
    lines.extend(
        [
            "## 后续对接（Phase2）",
            "",
            "- **待对接 pending-submit**：尚未读取 `/workspace/modelhub-adapt/pending-submit.md`，未验证 A→B、PASS、硬门与 do-not-resubmit；本报告仅保留输入顺序。",
            "- 适配 W1 优先；同一 100 队列，≥95 全体停交；空位先 A 再 B，人工核验后决定，不凭示例报告提交。",
            "- 禁止 Makefile / 脚本调用 `/api/adapt/task/add` 或 `/agent_platform/strategies*` 写接口。",
            "",
        ]
    )
    return "\n".join(lines)


def main() -> None:
    src = Path(
        os.environ.get(
            "DRY_RUN_CANDIDATES",
            str(ROOT / "config" / "candidates.example.json"),
        )
    )
    if not src.is_file():
        raise SystemExit(f"candidates file not found: {src}")

    candidates = _load_candidates(src)
    now = datetime.now(TZ)
    ts = now.strftime("%Y%m%d-%H%M%S")
    out_dir = ROOT / "reports"
    out_dir.mkdir(parents=True, exist_ok=True)
    out_path = out_dir / f"dry-run-{ts}.md"
    out_path.write_text(_render(candidates, now.strftime("%Y-%m-%d %H:%M:%S"), src), encoding="utf-8")
    print(f"Wrote {out_path}")


if __name__ == "__main__":
    main()