/**
 * I-002: Stage Config — Invalid Config Schema
 */

import { describe, it, expect, beforeAll, afterAll } from 'vitest'
import { prisma, createTestContext } from '../setup'
import {
  createTestUser,
  createTestProgram,
  createTestPipeline,
  createTestTrack,
  createTestStage,
  cleanupTestData,
} from '../helpers'
import { stageRouter } from '@/server/routers/stage'

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

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

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

describe('I-002: Stage Config — Valid and Invalid Updates', () => {
  it('accepts valid stage config update', 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: 'Config Test Stage',
      stageType: 'EVALUATION',
      status: 'STAGE_ACTIVE',
    })

    const ctx = createTestContext(admin)
    const caller = stageRouter.createCaller(ctx)

    const updated = await caller.updateConfig({
      id: stage.id,
      configJson: {
        requiredReviews: 3,
        evaluationMode: 'CRITERIA_BASED',
      },
    })

    expect(updated).toBeDefined()

    // Verify the configJson was persisted
    const fetched = await prisma.stage.findUnique({ where: { id: stage.id } })
    const config = fetched!.configJson as Record<string, unknown>
    expect(config.requiredReviews).toBe(3)
    expect(config.evaluationMode).toBe('CRITERIA_BASED')
  })

  it('updates stage name via updateConfig', 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: 'Original Name',
      stageType: 'EVALUATION',
      status: 'STAGE_ACTIVE',
    })

    const ctx = createTestContext(admin)
    const caller = stageRouter.createCaller(ctx)

    const updated = await caller.updateConfig({
      id: stage.id,
      name: 'New Name',
    })

    expect(updated.name).toBe('New Name')

    const fetched = await prisma.stage.findUnique({ where: { id: stage.id } })
    expect(fetched!.name).toBe('New Name')
  })

  it('updates stage window dates via updateConfig', 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: 'Window Test Stage',
      stageType: 'EVALUATION',
      status: 'STAGE_ACTIVE',
    })

    const ctx = createTestContext(admin)
    const caller = stageRouter.createCaller(ctx)

    const openAt = new Date('2026-03-01T00:00:00Z')
    const closeAt = new Date('2026-04-01T00:00:00Z')

    const updated = await caller.updateConfig({
      id: stage.id,
      windowOpenAt: openAt,
      windowCloseAt: closeAt,
    })

    expect(updated).toBeDefined()

    const fetched = await prisma.stage.findUnique({ where: { id: stage.id } })
    expect(fetched!.windowOpenAt!.getTime()).toBe(openAt.getTime())
    expect(fetched!.windowCloseAt!.getTime()).toBe(closeAt.getTime())
  })

  it('rejects invalid window dates (close before open)', 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: 'Invalid Window Stage',
      stageType: 'EVALUATION',
      status: 'STAGE_ACTIVE',
    })

    const ctx = createTestContext(admin)
    const caller = stageRouter.createCaller(ctx)

    await expect(
      caller.updateConfig({
        id: stage.id,
        windowOpenAt: new Date('2026-04-01T00:00:00Z'),
        windowCloseAt: new Date('2026-03-01T00:00:00Z'), // Before open
      })
    ).rejects.toThrow()
  })

  it('opens and closes stage window via openWindow/closeWindow', 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: 'Open/Close Window Stage',
      stageType: 'EVALUATION',
      status: 'STAGE_ACTIVE',
    })

    const ctx = createTestContext(admin)
    const caller = stageRouter.createCaller(ctx)

    // Open the window
    const opened = await caller.openWindow({ id: stage.id })
    expect(opened.windowOpenAt).not.toBeNull()

    // Close the window
    const closed = await caller.closeWindow({ id: stage.id })
    expect(closed.windowCloseAt).not.toBeNull()
  })
})