import type { AddressInfo } from 'node:net'
import { describe, expect, it } from 'vitest'
import { createApi } from '../src/api.js'
import { TriggerService } from '../src/trigger.js'
import { MARKET_DATE, harness } from './helpers.js'

async function serve(h: Awaited<ReturnType<typeof harness>>) {
  const server = createApi(h.rt, new TriggerService(h.rt))
  await new Promise<void>((r) => server.listen(0, '127.0.0.1', r))
  const base = `http://127.0.0.1:${(server.address() as AddressInfo).port}`
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  const call = async (method: string, path: string, body?: unknown, headers: Record<string, string> = {}): Promise<{ status: number; body: any }> => {
    const init: RequestInit = { method, headers: { 'content-type': 'application/json', ...headers } }
    if (body !== undefined) init.body = JSON.stringify(body)
    const res = await fetch(base + path, init)
    return { status: res.status, body: await res.json() }
  }
  return { call, close: () => new Promise<void>((r) => server.close(() => r())) }
}

describe('Case Desk HTTP API', () => {
  it('inbox → decide (approve) → case view + lineage expansion', async () => {
    const h = await harness({ llm: null })
    const { call, close } = await serve(h)
    expect((await call('GET', '/health')).body).toEqual({ status: 'ok', llm: 'null' })

    const run = await h.rt.mastra.getWorkflow('dayAheadBid').createRun()
    const out = await run.start({ inputData: { market_date: MARKET_DATE } })
    if (out.status !== 'success') throw new Error(out.status)

    const inbox = await call('GET', '/inbox')
    expect(inbox.body).toHaveLength(1)
    const { run_id, proposal_id, case_id } = inbox.body[0]

    expect((await call('POST', `/approvals/${run_id}/decide`, { decision: 'approve' })).status).toBe(401)
    const refused = await call('POST', `/approvals/${run_id}/decide`, { decision: 'approve' }, { 'x-user-id': 'trading-agent', 'x-user-role': 'senior-trader' })
    expect(refused.body.status).toBe('suspended') // I1: still waiting for a legitimate human

    const ok = await call('POST', `/approvals/${run_id}/decide`, { decision: 'approve', comment: 'fine' }, { 'x-user-id': 'user-trader-01', 'x-user-role': 'senior-trader' })
    expect(ok.body).toMatchObject({ run_id, status: 'success', outcome: 'RELEASED' })
    expect((await call('GET', '/inbox')).body).toHaveLength(0)

    const view = await call('GET', `/cases/${case_id}`)
    expect(view.body.case.status).toBe('CLOSED_DONE')
    expect(view.body.approvals[0].approver.id).toBe('user-trader-01')
    const lineage = await call('GET', `/proposals/${proposal_id}/lineage`)
    expect(lineage.body.tool_calls.map((t: { tool: string }) => t.tool)).toContain('bid-optimization-milp')
    expect((await call('GET', `/events?correlation_id=${case_id}`)).body.length).toBeGreaterThan(8)
    expect((await call('GET', '/nope')).status).toBe(404)
    expect((await call('POST', '/tasks', { message: 'hi' })).status).toBe(503) // router needs an LLM
    await close()
    await h.rt.close()
  })
})