import type { EngineBusinessKind, EngineRun, EngineTriggeredBy } from "@umt/contracts";
import { consolePath } from "~/components/console/nav.ts";
import type { StatusTone } from "~/components/console/status-badge.tsx";

// 统一任务流的标签:引擎 run + business(W9-I)。一条 run = 一条任务。

export const BUSINESS_KIND_LABEL: Record<EngineBusinessKind, string> = {
  subscription: "订阅",
  download: "下载",
  organization: "整理",
  agent: "智能体",
  schedule: "定时任务",
  feed: "RSS",
  site: "站点",
  decision: "待处理事项",
  media: "作品",
};
export const BUSINESS_KINDS = Object.keys(BUSINESS_KIND_LABEL) as EngineBusinessKind[];

/** 来源:四类(定时/事件/手动/Agent);API Key 调用算手动 */
export type TaskSource = "schedule" | "event" | "manual" | "agent";
export const SOURCE_LABEL: Record<TaskSource, string> = {
  schedule: "定时",
  event: "事件",
  manual: "手动",
  agent: "智能体",
};
/** 来源 → 服务端 triggeredBy 筛选值(逗号分隔多值) */
export const SOURCE_TRIGGERED_BY: Record<TaskSource, string> = {
  schedule: "schedule",
  event: "event",
  manual: "user,api_key",
  agent: "agent",
};
export function sourceOf(t: EngineTriggeredBy | null | undefined): TaskSource | null {
  if (!t) return null;
  if (t === "user" || t === "api_key") return "manual";
  return t;
}

/** 引擎工作流名 → 做什么 */
export const WORKFLOW_LABEL: Record<string, string> = {
  ingestFeed: "抓取 Feed",
  resolveObservation: "识别资源",
  evaluateAcquisition: "评估候选",
  submitDownload: "提交下载",
  verifyAndImport: "核验入库",
  refreshMetadata: "刷新元数据",
  reconcileLibrary: "文件核对",
  cleanupDownloadCache: "清理缓存",
  resolveDecision: "处理待处理事项",
  runAgent: "智能体会话",
  snapshotSite: "站点抓取",
  refreshSiteAccount: "刷新站点账号",
  searchSubscription: "订阅搜索",
  purgeTrash: "清理回收站",
  refreshPiTokens: "刷新模型服务登录",
};
export const workflowLabel = (name: string) => WORKFLOW_LABEL[name] ?? name;

/** 引擎状态 → 任务状态 */
const RUN_STATUS: Record<string, { label: string; tone: StatusTone }> = {
  pending: { label: "排队", tone: "neutral" },
  running: { label: "进行中", tone: "neutral" },
  sleeping: { label: "等待", tone: "neutral" },
  completed: { label: "完成", tone: "success" },
  succeeded: { label: "完成", tone: "success" },
  failed: { label: "失败", tone: "destructive" },
  canceled: { label: "已取消", tone: "warning" },
};
export const runStatus = (s: string) => RUN_STATUS[s] ?? { label: s, tone: "neutral" as StatusTone };
/**
 * 任务行状态:引擎 run 正常结束但业务结果不是成功时以业务结果为准(Agent 会话超出预算 / 失败 / 已停止),
 * 不把"引擎跑完"显示成「完成」
 */
const OUTCOME_STATUS: Record<string, { label: string; tone: StatusTone }> = {
  budget_exceeded: { label: "超出预算", tone: "warning" },
  failed: { label: "失败", tone: "destructive" },
  cancelled: { label: "已停止", tone: "warning" },
  waiting: { label: "等待", tone: "neutral" },
};
export function engineRunStatus(r: Pick<EngineRun, "status" | "business">) {
  const outcome = r.business?.outcome;
  if (outcome && (r.status === "completed" || r.status === "succeeded") && OUTCOME_STATUS[outcome])
    return OUTCOME_STATUS[outcome];
  return runStatus(r.status);
}
export const RUN_STATUS_OPTIONS = ["pending", "running", "completed", "failed", "canceled"].map((value) => ({
  value,
  label: runStatus(value).label,
}));

/** 行标题:业务对象名 > 业务类型 + 短 id > 工作流做什么 */
export function runTitle(r: Pick<EngineRun, "business" | "workflowName">): string {
  const b = r.business;
  if (b?.title) return b.title;
  if (b) return BUSINESS_KIND_LABEL[b.kind];
  return workflowLabel(r.workflowName);
}

/** 业务对象的"家"页面 */
export function businessLink(b: EngineRun["business"], input?: unknown): { to: string; label: string } | null {
  if (!b) return null;
  const id = encodeURIComponent(b.refId);
  switch (b.kind) {
    case "subscription":
      return { to: consolePath("subscriptions"), label: "订阅" };
    case "download": {
      // 还没提交到下载器时 refId 是计划 id(下载面板按 ?plan= 打开对应行)
      const i = (input ?? {}) as { downloadTaskId?: unknown; acquisitionPlanId?: unknown };
      if (!i.downloadTaskId && i.acquisitionPlanId === b.refId)
        return { to: `${consolePath("downloads")}?plan=${id}`, label: "下载" };
      return { to: `/console/downloads/${id}`, label: "下载任务" };
    }
    case "organization":
      return { to: `/console/organize/${id}`, label: "整理记录" };
    case "agent":
      return { to: `/console/agent/${id}`, label: "智能体会话" };
    case "schedule":
      return { to: `/console/schedules?job=${id}`, label: "定时任务" };
    case "feed":
      // RSS 属于站点(IA-2):旧 RSS 页按 ?feed= 查所属站点后跳到站点的 RSS Tab
      return { to: `${consolePath("sources")}?feed=${encodeURIComponent(id)}`, label: "RSS" };
    case "site":
      return { to: `/console/sites/${id}`, label: "站点" };
    case "decision":
      return { to: consolePath("inbox"), label: "待处理" };
    case "media":
      return { to: `/console/library/${id}`, label: "作品" };
    default:
      return null;
  }
}

export const ENGINE_ACTIVE = new Set(["pending", "running", "sleeping"]);