import assert from 'node:assert/strict'
import { readFile } from 'node:fs/promises'
import test from 'node:test'

const webSource = new URL('../../unreal_tran_web/src/features/', import.meta.url)
const editorSource = await readFile(new URL('guide-legacy/demo-src/training-editor.js', webSource), 'utf8')
const stepCreationMethods = editorSource.slice(editorSource.indexOf('  addStep()'), editorSource.indexOf('  removeStep()'))
const storageFixture = () => {
  const values = new Map()
  return { getItem: key => values.get(key) ?? null, setItem: (key, value) => values.set(key, value), removeItem: key => values.delete(key) }
}

for (const runtime of ['guide-legacy/demo-src', 'virtual-training-legacy/upstream']) {
  const { createTrainingProject, normalizeTrainingProject, validateTrainingProject, saveTrainingProject, loadTrainingProject } = await import(new URL(`${runtime}/training-project-io.js`, webSource))

  test(`${runtime}: physical authored configuration survives save and reopen`, () => {
    const project = createTrainingProject({ trainingMode: 'physical' })
    project.modeConfig = {
      stationName: 'Fox inspection station', equipmentCode: 'FOX-PHY-001', gatewayProtocol: 'MQTT',
      sensorChannels: 'pressure,temperature', safetyInterlocks: 'emergency stop,door lock',
    }
    const storage = storageFixture()
    const saved = saveTrainingProject(storage, project, { status: 'draft' })
    assert.deepEqual(loadTrainingProject(storage, saved.id).modeConfig, project.modeConfig)
  })

  test(`${runtime}: clearing optional physical text does not restore demo values`, () => {
    const project = createTrainingProject({ trainingMode: 'physical' })
    project.modeConfig = { stationName: '', equipmentCode: '', gatewayProtocol: '', sensorChannels: '', safetyInterlocks: '' }
    const storage = storageFixture()
    const saved = saveTrainingProject(storage, project, { status: 'draft' })
    assert.deepEqual(loadTrainingProject(storage, saved.id).modeConfig, project.modeConfig)
    const report = validateTrainingProject(saved)
    assert.ok(report.warnings.some(item => item.path === 'modeConfig.stationName'))
    assert.ok(report.warnings.some(item => item.path === 'modeConfig.equipmentCode'))
  })

  test(`${runtime}: confrontation configuration keeps a supported 50-member team and all authored text`, () => {
    const project = createTrainingProject({ trainingMode: 'confrontation' })
    project.modeConfig = {
      redTeamName: 'Red maintenance', blueTeamName: 'Blue inspection', teamSize: 50,
      roundDuration: 75, objective: 'Find fault', eventInjections: 'sensor failure', winRule: 'Score then elapsed time',
    }
    const storage = storageFixture()
    const saved = saveTrainingProject(storage, project, { status: 'draft' })
    const reloaded = loadTrainingProject(storage, saved.id)
    assert.deepEqual(reloaded.modeConfig, project.modeConfig)
    assert.equal(validateTrainingProject(reloaded).errors.some(item => item.path.startsWith('modeConfig.')), false)
  })

  test(`${runtime}: explicit empty confrontation text stays empty and empty win rule warns`, () => {
    const project = createTrainingProject({ trainingMode: 'confrontation' })
    for (const key of ['redTeamName', 'blueTeamName', 'objective', 'eventInjections', 'winRule']) project.modeConfig[key] = ''
    const normalized = normalizeTrainingProject(project)
    for (const key of ['redTeamName', 'blueTeamName', 'objective', 'eventInjections', 'winRule']) assert.equal(normalized.modeConfig[key], '')
    assert.ok(validateTrainingProject(normalized).warnings.some(item => item.path === 'modeConfig.winRule'))
  })

  test(`${runtime}: invalid team sizes remain visible and fail local validation instead of silently clamping`, () => {
    for (const teamSize of [0, -1, 2.5, 201]) {
      const project = createTrainingProject({ trainingMode: 'confrontation' })
      project.modeConfig.teamSize = teamSize
      const normalized = normalizeTrainingProject(project)
      assert.equal(normalized.modeConfig.teamSize, teamSize)
      assert.ok(validateTrainingProject(normalized).errors.some(item => item.path === 'modeConfig.teamSize'))
    }
  })

  test(`${runtime}: invalid duration fails but existing sub-minute and long durations are preserved`, () => {
    for (const roundDuration of [0, -1]) {
      const project = createTrainingProject({ trainingMode: 'confrontation' })
      project.modeConfig.roundDuration = roundDuration
      assert.ok(validateTrainingProject(project).errors.some(item => item.path === 'modeConfig.roundDuration'))
    }
    for (const roundDuration of [0.5, 1.5, 720]) {
      const project = createTrainingProject({ trainingMode: 'confrontation' })
      project.modeConfig.roundDuration = roundDuration
      assert.equal(normalizeTrainingProject(project).modeConfig.roundDuration, roundDuration)
      assert.equal(validateTrainingProject(project).errors.some(item => item.path === 'modeConfig.roundDuration'), false)
    }
  })

  test(`${runtime}: existing device event and team position contracts survive normalization and reorder`, () => {
    const project = createTrainingProject({ trainingMode: 'physical' })
    const contract = {
      stepCode: 'PHY-FOX-INSPECT', actionCode: 'FOX_INSPECT',
      physicalEventRule: { source: 'VISION', eventType: 'fox.inspection.done', progressPercent: 50, manualConfirmAllowed: false },
      allowedPositions: ['observer'], positionActions: { observer: ['FOX_INSPECT'] },
    }
    Object.assign(project.steps[0], structuredClone(contract))
    const stepId = project.steps[0].id
    const storage = storageFixture()
    const saved = saveTrainingProject(storage, project, { status: 'draft' })
    const reopened = loadTrainingProject(storage, saved.id)
    reopened.steps.reverse()
    const normalized = normalizeTrainingProject(reopened)
    const retained = normalized.steps.find(step => step.id === stepId)
    for (const key of Object.keys(contract)) assert.deepEqual(retained[key], contract[key])
    retained.physicalEventRule.source = 'MANUAL'
    assert.equal(project.steps[0].physicalEventRule.source, 'VISION')
  })

  test(`${runtime}: add and duplicate allocate a new step without copying its source runtime codes`, () => {
    const Harness = new Function('clone', 'normalizeTrainingProject', `return class { ${stepCreationMethods} }`)(structuredClone, normalizeTrainingProject)
    for (const method of ['addStep', 'duplicateStep']) {
      const editor = new Harness()
      editor.project = createTrainingProject({ trainingMode: 'physical' })
      editor.selectedStep = editor.project.steps[0]
      editor.selectedStep.stepCode = 'EXISTING-STEP'
      editor.selectedStep.actionCode = 'EXISTING_ACTION'
      const sourceId = editor.selectedStep.id
      for (const name of ['renumberSteps', 'markDirty', 'renderProjectHeader', 'renderScene', 'renderSteps', 'renderInspector', 'toast']) editor[name] = () => {}
      editor[method]()
      const created = editor.project.steps.find(step => step.id === editor.selectedStepId)
      const original = editor.project.steps.find(step => step.id === sourceId)
      assert.notEqual(created.id, original.id)
      assert.equal(created.stepCode, undefined)
      assert.equal(created.actionCode, undefined)
      assert.equal(original.stepCode, 'EXISTING-STEP')
      assert.equal(original.actionCode, 'EXISTING_ACTION')
    }
  })
}