/**
 * U-008: Override — Missing Reason Fields
 *
 * Tests that the decision.override procedure rejects mutations
 * with invalid or missing reasonCode via Zod validation.
 */

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

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

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

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

describe('U-008: Override — Missing Reason Fields', () => {
  it('rejects override with invalid reasonCode', 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, { status: 'STAGE_ACTIVE' })
    const project = await createTestProject(programId)
    const pss = await createTestPSS(project.id, track.id, stage.id, { state: 'PENDING' })

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

    // Attempt override with invalid reasonCode — should be rejected by Zod
    await expect(
      caller.override({
        entityType: 'ProjectStageState',
        entityId: pss.id,
        newValue: { state: 'PASSED' },
        reasonCode: 'INVALID_CODE' as any,
      })
    ).rejects.toThrow()
  })

  it('accepts override with valid reasonCode and persists OverrideAction', 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, { status: 'STAGE_ACTIVE' })
    const project = await createTestProject(programId)
    const pss = await createTestPSS(project.id, track.id, stage.id, { state: 'PENDING' })

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

    const result = await caller.override({
      entityType: 'ProjectStageState',
      entityId: pss.id,
      newValue: { state: 'PASSED' },
      reasonCode: 'ADMIN_DISCRETION',
      reasonText: 'Manually promoted by admin',
    })

    expect(result.success).toBe(true)

    // Verify OverrideAction was created
    const overrideAction = await prisma.overrideAction.findFirst({
      where: { entityType: 'ProjectStageState', entityId: pss.id },
    })
    expect(overrideAction).not.toBeNull()
    expect(overrideAction!.reasonCode).toBe('ADMIN_DISCRETION')
    expect(overrideAction!.reasonText).toBe('Manually promoted by admin')
    expect(overrideAction!.actorId).toBe(admin.id)

    // Verify the PSS state was actually updated
    const updatedPSS = await prisma.projectStageState.findUnique({
      where: { id: pss.id },
    })
    expect(updatedPSS!.state).toBe('PASSED')

    // Verify DecisionAuditLog was created
    const auditLog = await prisma.decisionAuditLog.findFirst({
      where: { entityType: 'ProjectStageState', entityId: pss.id, eventType: 'override.applied' },
    })
    expect(auditLog).not.toBeNull()
  })
})