import { it,expect } from "vitest";
import { evaluate,defaults,decodeMetrics,AdsMonitor,type Campaign } from "../src/monitor.js";
import { mkdtemp, rm } from "node:fs/promises";
import { tmpdir } from "node:os";
import path from "node:path";
const now=Date.parse("2026-09-09T08:00:00Z");
const base:Campaign={id:"1",name:"test",target:2,active:true,synced:"2026-09-09T07:00:00Z",started:"2026-09-01T00:00:00Z",pending:false,budget:100,metrics:{spend:100,revenue:300,orders:10,impressions:2000,clicks:100},previous:{spend:100,revenue:250,orders:10,impressions:2000,clicks:100}};
it("uses each campaign target, never global 2.5",()=>{expect(evaluate(base,defaults,now,true).state).toBe("potential");expect(evaluate({...base,target:5},defaults,now,true).state).toBe("under_target");expect(evaluate({...base,target:null},defaults,now,true).state).toBe("target_missing");});
it("does not confuse missing, stale or small data with loss",()=>{expect(evaluate({...base,metrics:undefined},defaults,now,true).state).toBe("data_issue");expect(evaluate(base,defaults,now,false).state).toBe("data_issue");expect(evaluate({...base,metrics:{...base.metrics!,spend:10}},defaults,now,true).state).toBe("observe");expect(evaluate({...base,pending:true},defaults,now,true).state).toBe("data_issue");});
it("calculates ratios from totals and handles zero orders",()=>{const r=evaluate(base,defaults,now,true);expect(r.roi).toBe(3);expect(r.cpa).toBe(10);expect(r.ctr).toBe(.05);expect(evaluate({...base,metrics:{...base.metrics!,orders:0,revenue:0}},defaults,now,true).state).toBe("no_orders");});
it("blocks truncated metrics",()=>{expect(()=>decodeMetrics({columns:[],rows:[],query_meta:{truncated:true}})).toThrow("截断");});
it("isolates all TikTok accounts, restores selection, persists and deduplicates",async()=>{
  const dir=await mkdtemp(path.join(tmpdir(),"ads-monitor-test-"));
  let id="account-1";
  let fail=false;
  const account=(external_account_id:string)=>({external_account_id,account_name:external_account_id,tenant_id:"tenant",platform:"tiktok",reporting_timezone:"Asia/Shanghai",reporting_utc_offset_minutes:480,account_currency:external_account_id==="account-1"?"CNY":"USD"});
  const read=async(name:string,args:Record<string,unknown>={})=>{
    if(name==="swads_whoami")return {access:{org_id:"org",current_account:account(id),accounts:[account("account-1"),account("account-2"),{...account("other"),platform:"qianchuan"}]}};
    if(name==="campaign_list"){
      id=String(args.external_account_id);
      if(fail&&id==="account-2")throw new Error("账户权限不足");
      return {total:2,account_context:{external_account_id:id,tenant_id:"tenant"},items:[{subject_type:"minis",external_campaign_id:null,external_account_id:null},{subject_type:"commerce_shop",external_campaign_id:"1",external_account_id:id,campaign_name:"test",operation_status:"ENABLE",last_synced_at:new Date().toISOString(),commerce_summary:{target_roi:id==="account-1"?2:5,schedule_start_at:"2020-01-01"}}]};
    }
    const query=args.query as {query_kind?:string;date_from?:string}|undefined;
    if(query?.query_kind==="creative_breakdown") {
      const recent=query.date_from!>=new Date(Date.now()+480*60000-3*86400000).toISOString().slice(0,10);
      return {columns:["external_campaign_id","external_creative_id","creative_identity_kind","creative_variant","date","product_impressions","product_clicks","video_play_actions","video_watched_6s"].map(name=>({name})),rows:[["1","v","item","ADS_AND_ORGANIC",query.date_from,1000,recent?50:100,0,0]],account_context:{external_account_id:id,tenant_id:"tenant"},query_meta:{truncated:false,attribution_resolutions:[{status:"available",freshness:new Date().toISOString()}]}};
    }
    return {columns:["external_campaign_id","spend","gross_revenue","orders","product_impressions","product_clicks"].map(name=>({name})),rows:[["1",100,300,10,2000,100]],query_meta:{truncated:false,attribution_resolutions:[{status:"available",freshness:new Date().toISOString()}]}};
  };
  const m=new AdsMonitor(dir,read);
  const restored=new AdsMonitor(dir,read);
  try{
    await m.init();expect((await m.check()).newAlerts).toBe(4);expect(m.state.rows).toHaveLength(2);expect(id).toBe("account-1");
    expect(m.state.fatigueRows).toHaveLength(2);expect(m.state.fatigueRows?.[0]?.state).toBe("creative_decline");
    expect(m.state.fatigueRows?.[0]?.baseline.days).toBe(7);expect(m.state.fatigueRows?.[0]?.recent.days).toBe(3);
    await m.handle(m.state.fatigueRows![0]!.key);
    expect(m.state.rows.map(r=>r.state)).toEqual(["potential","under_target"]);expect(new Set(m.state.rows.map(r=>r.key)).size).toBe(2);
    await m.handle(m.state.rows[0]!.key);expect((await m.check()).newAlerts).toBe(0);
    await restored.init();expect(restored.state.rows[0]!.handled).toBe(true);expect(restored.state.fatigueRows?.[0]?.handled).toBe(true);
    fail=true;expect((await restored.check()).error).toContain("1 个账户检查失败");expect(restored.state.rows).toHaveLength(1);expect(restored.state.accounts?.[1]?.error).toContain("权限");expect(id).toBe("account-1");
  }finally{m.close();restored.close();await rm(dir,{recursive:true,force:true});}
});