// 健康检查脚本：扫描所有定时任务最近一次执行情况
import { PrismaClient } from "@prisma/client";
import { PrismaMariaDb } from "@prisma/adapter-mariadb";
import "dotenv/config";

const base = process.env.DATABASE_URL.replace("mysql://", "mariadb://");
const sep = base.includes("?") ? "&" : "?";
const connectionString = `${base}${sep}connection_limit=2&pool_timeout=10`;
const adapter = new PrismaMariaDb(connectionString);
const prisma = new PrismaClient({ adapter });

async function main() {
  console.log("========== 任务调度健康检查 ==========\n");

  // 1. 任务配置
  const configs = await prisma.taskConfig.findMany({ orderBy: { taskKey: "asc" } });
  console.log("--- 任务配置 ---");
  console.log(`共 ${configs.length} 条配置`);
  for (const c of configs) {
    console.log(`  [${c.enabled ? "●" : "○"}] ${c.taskKey.padEnd(30)} cron=${c.cronExpr || "—"}  ${c.taskName}`);
  }

  // 2. 最近 7 天的执行记录
  const since = new Date(Date.now() - 7 * 24 * 3600 * 1000);
  const logs = await prisma.taskLog.findMany({
    where: { startedAt: { gte: since } },
    orderBy: { startedAt: "desc" },
  });
  console.log(`\n--- 最近 7 天日志（${logs.length} 条） ---`);
  const byKey = new Map();
  for (const l of logs) {
    if (!byKey.has(l.taskKey)) byKey.set(l.taskKey, []);
    byKey.get(l.taskKey).push(l);
  }
  for (const [key, list] of byKey.entries()) {
    const success = list.filter((l) => l.status === "completed").length;
    const failed = list.filter((l) => l.status === "failed").length;
    const last = list[0];
    const lastDate = new Date(last.startedAt).toLocaleString("zh-CN");
    console.log(`  ${key.padEnd(30)} 共${list.length}次 成功${success} 失败${failed}  最近=${lastDate} status=${last.status}`);
  }

  // 3. 任何"从未执行"的任务
  console.log("\n--- 检查哪些 taskKey 已配置但从未执行 ---");
  const executedKeys = new Set(logs.map((l) => l.taskKey));
  const allExpectedKeys = new Set([
    ...configs.map((c) => c.taskKey),
    "task1-discover-tools",
    "task3-check-tools",
    "task4-discover-skills",
    "task5-update-stars",
    "task6-review-hot",
    "task7-news-to-community",
    "daily-news",
    "bot-activity",
    "bot-affinity-update",
    "bot-feedback-loop",
    "bot-weekly-review",
    "bot-skill-crystallize",
  ]);
  const knownButNeverRun = [...allExpectedKeys].filter((k) => !executedKeys.has(k));
  console.log("从未执行:", knownButNeverRun.length ? knownButNeverRun.join(", ") : "无");

  // 4. bot 体系健康
  console.log("\n--- Bot 体系健康 ---");
  const totalBots = await prisma.user.count({ where: { isBot: true } });
  const totalTopicsByBots = await prisma.forumTopic.count({ where: { user: { isBot: true } } });
  const totalPostsByBots = await prisma.forumPost.count({ where: { user: { isBot: true } } });
  const totalMemories = await prisma.botMemory.count();
  const totalBotConfigs = await prisma.botConfig.count();
  const lastBotTopic = await prisma.forumTopic.findFirst({
    where: { user: { isBot: true } },
    orderBy: { createdAt: "desc" },
    select: { createdAt: true, title: true },
  });
  console.log(`  Bot 用户总数: ${totalBots}`);
  console.log(`  BotConfig 数:  ${totalBotConfigs}`);
  console.log(`  BotMemory 数:  ${totalMemories}`);
  console.log(`  Bot 发帖数:    ${totalTopicsByBots}`);
  console.log(`  Bot 回复数:    ${totalPostsByBots}`);
  if (lastBotTopic) {
    const hoursAgo = (Date.now() - new Date(lastBotTopic.createdAt).getTime()) / 3600000;
    console.log(`  最近 Bot 帖:  ${lastBotTopic.title.substring(0, 40)}... (${hoursAgo.toFixed(1)} 小时前)`);
  } else {
    console.log("  最近 Bot 帖:  无");
  }

  // 5. 最近失败的详情
  const recentFailed = logs.filter((l) => l.status === "failed").slice(0, 5);
  console.log(`\n--- 最近失败任务 (${recentFailed.length}) ---`);
  for (const f of recentFailed) {
    console.log(`  ${f.taskKey} @ ${new Date(f.startedAt).toLocaleString("zh-CN")}`);
    if (f.error) console.log(`    ${f.error.substring(0, 200)}`);
  }

  await prisma.$disconnect();
}

main().catch((e) => {
  console.error(e);
  process.exit(1);
});