#!/usr/bin/env python3
"""self_todo_executor.py — TODO自动执行器 (no_agent模式)

每10分钟轮询mofin.db中todos表的pending任务，执行fix_action命令。
纯代码逻辑，不调LLM。
有执行→输出摘要，无→SILENT。
"""

import json, os, sqlite3, subprocess, sys, time
from pathlib import Path
from datetime import datetime

BASE = Path("/home/hmo/MoFin")
DB_PATH = BASE / "data" / "mofin.db"


def get_conn():
    conn = sqlite3.connect(str(DB_PATH))
    conn.row_factory = sqlite3.Row
    return conn


def verify_fix(verification_check):
    """运行验证命令，返回 (ok, output)"""
    if not verification_check:
        return True, "无验证命令"
    try:
        r = subprocess.run(
            verification_check,
            shell=True, capture_output=True, text=True, timeout=30
        )
        if r.returncode == 0:
            return True, r.stdout.strip()[:200]
        else:
            return False, f"exit={r.returncode}: {r.stderr.strip()[:200]}"
    except Exception as e:
        return False, str(e)[:200]


def execute_fix(fix_action):
    """执行修复命令，返回 (ok, output)"""
    if not fix_action:
        return False, "无修复命令"
    try:
        r = subprocess.run(
            fix_action,
            shell=True, capture_output=True, text=True, timeout=60
        )
        if r.returncode == 0:
            return True, r.stdout.strip()[:300] or "ok"
        else:
            return False, f"exit={r.returncode}: {r.stderr.strip()[:300]}"
    except subprocess.TimeoutExpired:
        return False, "执行超时(60s)"
    except Exception as e:
        return False, str(e)[:200]


def main():
    start = time.time()
    conn = get_conn()
    cur = conn.cursor()

    # 读所有pending任务（按优先级排序）
    rows = cur.execute(
        "SELECT id, title, description, priority, fix_action, verification_check, "
        "retry_count, max_retries, note FROM todos "
        "WHERE status='pending' ORDER BY "
        "CASE priority WHEN 'high' THEN 0 WHEN 'medium' THEN 1 ELSE 2 END, "
        "created_at ASC LIMIT 10"
    ).fetchall()

    if not rows:
        conn.close()
        print("[SILENT] 无待处理TODO")
        return

    results = []
    for row in rows:
        todo_id = row["id"]
        title = row["title"]
        fix_action = row["fix_action"]
        verification = row["verification_check"]
        retry_count = row["retry_count"]
        max_retries = row["max_retries"]

        # 标记in_progress
        cur.execute(
            "UPDATE todos SET status='in_progress', updated_at=CURRENT_TIMESTAMP WHERE id=?",
            (todo_id,)
        )
        conn.commit()

        if fix_action:
            # 执行修复
            ok, output = execute_fix(fix_action)
            if not ok:
                retry_count += 1
                if retry_count >= max_retries:
                    cur.execute(
                        "UPDATE todos SET status='blocked', retry_count=?, "
                        "note=?, updated_at=CURRENT_TIMESTAMP WHERE id=?",
                        (retry_count, f"重试{retry_count}次仍失败: {output}", todo_id)
                    )
                    results.append(("⛔", f"{title}: 已阻塞({output[:60]})"))
                else:
                    cur.execute(
                        "UPDATE todos SET status='pending', retry_count=?, "
                        "note=?, updated_at=CURRENT_TIMESTAMP WHERE id=?",
                        (retry_count, f"第{retry_count}次失败: {output}", todo_id)
                    )
                    results.append(("🔄", f"{title}: 重试{retry_count}/{max_retries}({output[:60]})"))
                conn.commit()
                continue

            # 修复成功→验证
            v_ok, v_out = verify_fix(verification)
            if v_ok:
                cur.execute(
                    "UPDATE todos SET status='completed', note=?, "
                    "updated_at=CURRENT_TIMESTAMP WHERE id=?",
                    (f"已修复: {output[:200]}", todo_id)
                )
                results.append(("✅", f"{title}: 已修复"))
            else:
                # 修复成功但验证失败→可能验证命令不准，标记需人工
                cur.execute(
                    "UPDATE todos SET status='completed', note=?, "
                    "updated_at=CURRENT_TIMESTAMP WHERE id=?",
                    (f"执行成功但验证异常: {v_out}", todo_id)
                )
                results.append(("⚠️", f"{title}: 已执行但验证异常({v_out[:60]})"))
        else:
            # 无fix_action → 标记为无法自动修复
            cur.execute(
                "UPDATE todos SET status='blocked', note='需人工处理(无修复命令)', "
                "updated_at=CURRENT_TIMESTAMP WHERE id=?",
                (todo_id,)
            )
            results.append(("⛔", f"{title}: 无修复命令，已阻塞"))

        conn.commit()

    conn.close()

    elapsed = time.time() - start
    if results:
        print(f"自愈执行器 | {datetime.now().strftime('%H:%M')} | {len(results)}条 ({elapsed:.0f}s)")
        for icon, msg in results:
            print(f"  {icon} {msg}")
    else:
        print("[SILENT] 无待处理TODO")


if __name__ == "__main__":
    main()