import { describe, expect, it } from 'vitest'

import {
  lintPlaybookPackage,
  type PlaybookPackageLintInput,
} from './playbook-package-linter'

interface MutableManifest {
  metadata: { lifecycle: string }
  package: { files: unknown[] }
  spec: {
    intent: unknown
    modes: unknown[]
    autonomy: unknown
    inputs: unknown[]
    workflow: unknown[]
    validation: unknown
    completion: unknown
    reporting: unknown
  }
  quality: { evaluationCaseIds: string[] }
}

function mutableManifest(input: PlaybookPackageLintInput): MutableManifest {
  return input.packageJson as unknown as MutableManifest
}

function validInput(
  overrides: Partial<PlaybookPackageLintInput> = {},
): PlaybookPackageLintInput {
  return {
    packageDigest: 'a'.repeat(64),
    packageJson: {
      metadata: { lifecycle: 'reviewed' },
      package: {
        files: [{ path: 'CHANGELOG.md', role: 'changelog' }],
      },
      spec: {
        intent: {
          problem: 'A bounded problem.',
          outcome: 'A verifiable outcome.',
          whenToUse: ['For a bounded change.'],
          whenNotToUse: ['When authority is missing.'],
        },
        modes: ['implement'],
        autonomy: { min: 'observe', max: 'verify', default: 'implement' },
        inputs: [{ key: 'target' }],
        workflow: [
          {
            id: 'implement',
            instruction: 'Implement the requested bounded behavior.',
          },
        ],
        validation: {
          commandRoles: ['build'],
          checks: [
            {
              id: 'build',
              description: 'Run the production build.',
              evidence: 'Record command result and exit status.',
            },
          ],
        },
        completion: { criteria: ['The requested behavior is verified.'] },
        reporting: {
          sections: [
            {
              id: 'evidence',
              description: 'Report inspected evidence sources.',
            },
          ],
        },
      },
      quality: { evaluationCaseIds: [] },
    },
    template: {
      path: 'prompt.md',
      content: 'Work only on {{ inputs.target }}.',
    },
    representativeRenderedPrompts: [
      {
        path: 'examples/minimal.rendered.md',
        content: 'Work only on packages/application. Record evidence.',
      },
    ],
    ...overrides,
  }
}

describe('playbook package linter', () => {
  it('reports a clean validated package as export-ready only with exact evidence', () => {
    const input = validInput()
    const manifest = mutableManifest(input)
    manifest.metadata.lifecycle = 'validated'
    manifest.quality.evaluationCaseIds = ['bounded.static']

    const result = lintPlaybookPackage({
      ...input,
      lifecycleEvidence: {
        targetDigest: 'a'.repeat(64),
        passingEvaluationCaseIds: ['bounded.static'],
        fixtureVersionRecorded: true,
        environmentDigest: 'b'.repeat(64),
        unresolvedSafetyRegression: false,
      },
    })

    expect(result).toMatchObject({
      exportReadiness: 'ready',
      findings: [],
      provenance: {
        kind: 'static-analysis',
        source: 'playbook-package-linter/v1',
        artifactDigest: 'a'.repeat(64),
      },
    })
  })

  it('finds structural, duplicate, autonomy, template and publication defects', () => {
    const input = validInput({ published: true })
    const manifest = mutableManifest(input)
    manifest.spec.intent = {}
    manifest.spec.inputs = [{ key: 'same' }, { key: 'same' }]
    manifest.spec.workflow = [{ id: 'same' }, { id: 'same' }]
    manifest.spec.autonomy = {
      min: 'repair',
      max: 'observe',
      default: 'invalid',
    }
    manifest.spec.completion = { criteria: [] }
    manifest.spec.reporting = { sections: [] }
    manifest.package.files = []

    const result = lintPlaybookPackage({
      ...input,
      template: { path: 'prompt.md', content: '{{ inputs.missing }}' },
    })

    expect(result.exportReadiness).toBe('blocked')
    expect(result.findings.map((finding) => finding.ruleId)).toEqual([
      'PB001',
      'PB002',
      'PB003',
      'PB004',
      'PB005',
      'PB005',
      'PB006',
      'PB007',
      'PB008',
    ])
    expect(
      result.findings.find((finding) => finding.ruleId === 'PB007')?.path,
    ).toBe('prompt.md:1')
  })

  it('blocks validated claims when evidence is absent, stale or incomplete', () => {
    const input = validInput()
    const manifest = mutableManifest(input)
    manifest.metadata.lifecycle = 'validated'
    manifest.quality.evaluationCaseIds = ['case-a', 'case-b']

    const result = lintPlaybookPackage({
      ...input,
      lifecycleEvidence: {
        targetDigest: 'stale',
        passingEvaluationCaseIds: ['case-a'],
        fixtureVersionRecorded: false,
        unresolvedSafetyRegression: true,
      },
    })

    expect(result.findings).toEqual([
      expect.objectContaining({
        ruleId: 'PB009',
        path: '/metadata/lifecycle',
        provenance: expect.objectContaining({ artifactDigest: 'a'.repeat(64) }),
      }),
    ])
  })

  it('flags only literal prompt risks and never exposes a matched secret', () => {
    const secret = `ghp_${'x'.repeat(32)}`
    const result = lintPlaybookPackage({
      ...validInput(),
      representativeRenderedPrompts: [
        {
          path: 'rendered/risky.md',
          content: [
            'Improve everything using best practices.',
            'Do not modify the repository. Modify the repository and claim success.',
            'Drop table users.',
            'Run git push and create a release.',
            `Use ${secret}`,
          ].join('\n'),
        },
      ],
      repository: {},
    })

    expect(result.findings.map((finding) => finding.ruleId)).toEqual([
      'PR001',
      'PR002',
      'PR003',
      'PR004',
      'SA001',
      'SA003',
      'SA004',
      'SA004',
    ])
    expect(JSON.stringify(result)).not.toContain(secret)
  })

  it('uses explicit repository, trust-boundary and task context for safety and validation rules', () => {
    const input = validInput({
      taskKind: 'dependency-change',
      repository: {
        protectedPaths: ['infra/production'],
        changeScopePaths: ['infra'],
      },
      importedContentPlacements: [
        {
          sourcePath: 'README.md',
          destinationSection: 'Authoritative policy',
        },
      ],
    })
    const result = lintPlaybookPackage(input)

    expect(result.findings.map((finding) => finding.ruleId)).toEqual([
      'SA002',
      'SA005',
      'VA003',
    ])
    expect(result.findings.every((finding) => finding.path.length > 0)).toBe(
      true,
    )
    expect(
      result.findings.every((finding) => finding.rationale.length > 0),
    ).toBe(true)
    expect(
      result.findings.every((finding) => finding.remediation.length > 0),
    ).toBe(true)
  })

  it('covers contextual bugfix, implementation, frontend and inspection validation rules', () => {
    const base = validInput()
    const manifest = mutableManifest(base)
    manifest.spec.validation = { commandRoles: [], checks: [] }
    manifest.spec.workflow = [{ id: 'work', instruction: 'Perform work.' }]
    manifest.spec.reporting = {
      sections: [{ id: 'outcome', description: 'Outcome.' }],
    }
    manifest.spec.modes = []

    expect(
      lintPlaybookPackage({ ...base, taskKind: 'bugfix' }).findings,
    ).toEqual(
      expect.arrayContaining([expect.objectContaining({ ruleId: 'VA001' })]),
    )
    expect(
      lintPlaybookPackage({
        ...base,
        taskKind: 'implementation',
        repository: { availableCommandRoles: ['build'] },
      }).findings,
    ).toEqual(
      expect.arrayContaining([expect.objectContaining({ ruleId: 'VA002' })]),
    )
    expect(
      lintPlaybookPackage({ ...base, taskKind: 'frontend-flow' }).findings,
    ).toEqual(
      expect.arrayContaining([expect.objectContaining({ ruleId: 'VA004' })]),
    )
    expect(
      lintPlaybookPackage({ ...base, taskKind: 'inspection' }).findings,
    ).toEqual(
      expect.arrayContaining([expect.objectContaining({ ruleId: 'VA005' })]),
    )
  })

  it('is byte-for-byte deterministic for inert pattern-like package text', () => {
    const input = validInput({
      template: {
        path: 'prompt.md',
        content: '(a+)+$ {{ inputs.target }} ${notExecuted} <%= inert %>',
      },
    })
    expect(JSON.stringify(lintPlaybookPackage(input))).toBe(
      JSON.stringify(lintPlaybookPackage(input)),
    )
  })
})