/**
 * I-006: Live Runtime — Jump / Reorder / Open-Close Windows
 */

import { describe, it, expect, beforeAll, afterAll } from 'vitest'
import { prisma } from '../setup'
import {
  createTestUser,
  createTestProgram,
  createTestPipeline,
  createTestTrack,
  createTestStage,
  createTestProject,
  createTestCohort,
  createTestCohortProject,
  cleanupTestData,
} from '../helpers'
import {
  startSession,
  jumpToProject,
  reorderQueue,
  pauseResume,
  openCohortWindow,
  closeCohortWindow,
} from '@/server/services/live-control'

let programId: string
let userIds: string[] = []

beforeAll(async () => {
  const program = await createTestProgram({ name: 'Live Runtime Test' })
  programId = program.id
})

afterAll(async () => {
  await cleanupTestData(programId, userIds)
})

describe('I-006: Live Runtime Operations', () => {
  it('full live session lifecycle: start → jump → reorder → pause → resume → open/close window', async () => {
    const admin = await createTestUser('SUPER_ADMIN')
    userIds.push(admin.id)

    const pipeline = await createTestPipeline(programId)
    const track = await createTestTrack(pipeline.id)
    const stage = await createTestStage(track.id, {
      name: 'Live Final Session',
      stageType: 'LIVE_FINAL',
      status: 'STAGE_ACTIVE',
    })

    // Create 4 projects
    const projects = []
    for (let i = 0; i < 4; i++) {
      const p = await createTestProject(programId, { title: `Live Runtime P${i}` })
      projects.push(p)
    }

    // Create cohort with projects
    const cohort = await createTestCohort(stage.id, { name: 'Runtime Cohort', isOpen: false })
    const cohortProjects = []
    for (let i = 0; i < projects.length; i++) {
      const cp = await createTestCohortProject(cohort.id, projects[i].id, i)
      cohortProjects.push(cp)
    }

    // 1. Start session
    const sessionResult = await startSession(stage.id, admin.id, prisma)
    expect(sessionResult.success).toBe(true)

    // Verify cursor starts at first project
    let cursor = await prisma.liveProgressCursor.findUnique({ where: { stageId: stage.id } })
    expect(cursor!.activeProjectId).toBe(projects[0].id)
    expect(cursor!.activeOrderIndex).toBe(0)

    // 2. Jump to project at index 2
    const jumpResult = await jumpToProject(stage.id, 2, admin.id, prisma)
    expect(jumpResult.success).toBe(true)
    expect(jumpResult.projectId).toBe(projects[2].id)

    cursor = await prisma.liveProgressCursor.findUnique({ where: { stageId: stage.id } })
    expect(cursor!.activeProjectId).toBe(projects[2].id)
    expect(cursor!.activeOrderIndex).toBe(2)

    // 3. Reorder queue (reverse order)
    const reorderedIds = [...cohortProjects].reverse().map(cp => cp.id)
    const reorderResult = await reorderQueue(stage.id, reorderedIds, admin.id, prisma)
    expect(reorderResult.success).toBe(true)

    // Verify reorder updated sortOrder
    const reorderedCPs = await prisma.cohortProject.findMany({
      where: { cohortId: cohort.id },
      orderBy: { sortOrder: 'asc' },
    })
    expect(reorderedCPs[0].projectId).toBe(projects[3].id) // Was last, now first
    expect(reorderedCPs[3].projectId).toBe(projects[0].id) // Was first, now last

    // 4. Pause
    const pauseResult = await pauseResume(stage.id, true, admin.id, prisma)
    expect(pauseResult.success).toBe(true)

    cursor = await prisma.liveProgressCursor.findUnique({ where: { stageId: stage.id } })
    expect(cursor!.isPaused).toBe(true)

    // 5. Resume
    const resumeResult = await pauseResume(stage.id, false, admin.id, prisma)
    expect(resumeResult.success).toBe(true)

    cursor = await prisma.liveProgressCursor.findUnique({ where: { stageId: stage.id } })
    expect(cursor!.isPaused).toBe(false)

    // 6. Open voting window
    const openResult = await openCohortWindow(cohort.id, admin.id, prisma)
    expect(openResult.success).toBe(true)

    const openedCohort = await prisma.cohort.findUnique({ where: { id: cohort.id } })
    expect(openedCohort!.isOpen).toBe(true)
    expect(openedCohort!.windowOpenAt).not.toBeNull()

    // 7. Close voting window
    const closeResult = await closeCohortWindow(cohort.id, admin.id, prisma)
    expect(closeResult.success).toBe(true)

    const closedCohort = await prisma.cohort.findUnique({ where: { id: cohort.id } })
    expect(closedCohort!.isOpen).toBe(false)
    expect(closedCohort!.windowCloseAt).not.toBeNull()

    // Verify audit trail
    const auditLogs = await prisma.decisionAuditLog.findMany({
      where: {
        OR: [
          { eventType: { startsWith: 'live.' } },
        ],
      },
      orderBy: { createdAt: 'asc' },
    })
    expect(auditLogs.length).toBeGreaterThanOrEqual(5) // session_started, cursor_updated, queue_reordered, paused, resumed, opened, closed
  })
})