import assert from 'node:assert/strict'
import test from 'node:test'
import {
  ReleaseSetCompatibilityError,
  planReleaseSet,
  type InstalledPluginModule,
  type PluginReleaseCandidate,
} from '../src/releaseSet'

const installed: InstalledPluginModule[] = [
  {
    moduleId: 'common',
    type: 'common',
    version: '1.0.0',
    appVersionRange: '>=8.0.0 <9.0.0',
    minNativeApiLevel: 1,
  },
  {
    moduleId: 'app',
    type: 'app',
    version: '1.0.0',
    appVersionRange: '>=8.0.0 <9.0.0',
    commonVersionRange: '>=1.0.0 <2.0.0',
  },
  {
    moduleId: 'buz2',
    type: 'buz',
    version: '1.0.0',
    appVersionRange: '>=8.0.0 <9.0.0',
    commonVersionRange: '>=1.0.0 <2.0.0',
  },
]

function candidate(
  module: Omit<PluginReleaseCandidate, 'downloadUrl' | 'sha256'>,
): PluginReleaseCandidate {
  return {
    appVersionRange: '>=8.0.0 <9.0.0',
    ...module,
    downloadUrl: `https://updates.example/${module.moduleId}.bundle`,
    sha256: 'a'.repeat(64),
  }
}

test('orders common before app and buz in one cold-start release set', () => {
  const plan = planReleaseSet({
    installed,
    appVersion: '8.0.0',
    nativeApiLevel: 3,
    candidates: [
      candidate({
        moduleId: 'buz1',
        type: 'buz',
        version: '1.0.2',
        commonVersionRange: '>=1.0.1 <2.0.0',
      }),
      candidate({ moduleId: 'common', type: 'common', version: '1.0.2' }),
      candidate({
        moduleId: 'app',
        type: 'app',
        version: '1.0.1',
        commonVersionRange: '>=1.0.1 <2.0.0',
      }),
    ],
  })

  assert.deepEqual(
    plan?.modules.map(module => module.moduleId),
    ['common', 'app', 'buz1'],
  )
  assert.equal(plan?.commonVersion, '1.0.2')
  assert.equal(plan?.requiresColdStart, true)
})

test('keeps an older buz compatible when common advances in the same major range', () => {
  const plan = planReleaseSet({
    installed,
    appVersion: '8.0.0',
    nativeApiLevel: 1,
    candidates: [candidate({ moduleId: 'common', type: 'common', version: '1.0.2' })],
  })
  assert.equal(plan?.modules.length, 1)
  assert.equal(plan?.commonVersion, '1.0.2')
})

test('rejects a common upgrade that breaks an installed plugin', () => {
  assert.throws(
    () =>
      planReleaseSet({
        installed,
        appVersion: '8.0.0',
        nativeApiLevel: 1,
        candidates: [candidate({ moduleId: 'common', type: 'common', version: '2.0.0' })],
      }),
    (error: unknown) =>
      error instanceof ReleaseSetCompatibilityError &&
      error.moduleId === 'app' &&
      error.reason === 'COMMON_INCOMPATIBLE',
  )
})

test('rejects candidates that require a newer native API', () => {
  assert.throws(
    () =>
      planReleaseSet({
        installed,
        appVersion: '8.0.0',
        nativeApiLevel: 1,
        candidates: [
          candidate({
            moduleId: 'buz1',
            type: 'buz',
            version: '1.0.1',
            commonVersionRange: '^1.0.0',
            minNativeApiLevel: 2,
          }),
        ],
      }),
    (error: unknown) =>
      error instanceof ReleaseSetCompatibilityError && error.reason === 'NATIVE_API_INCOMPATIBLE',
  )
})

test('rejects a plugin built against a different native baseline', () => {
  const nativeBaselineId = 'android-sha256:current'
  const installedForBaseline = installed.map(module => ({
    ...module,
    builtAgainstNativeBaselineId: nativeBaselineId,
  }))

  assert.throws(
    () =>
      planReleaseSet({
        installed: installedForBaseline,
        appVersion: '8.0.0',
        nativeApiLevel: 1,
        nativeBaselineId,
        candidates: [
          candidate({
            moduleId: 'common',
            type: 'common',
            version: '1.0.1',
            builtAgainstNativeBaselineId: 'android-sha256:old',
          }),
        ],
      }),
    (error: unknown) =>
      error instanceof ReleaseSetCompatibilityError &&
      error.reason === 'NATIVE_BASELINE_INCOMPATIBLE',
  )
})

test('rejects a plugin outside the current full-app version range', () => {
  assert.throws(
    () =>
      planReleaseSet({
        installed,
        appVersion: '8.0.0',
        nativeApiLevel: 1,
        candidates: [
          candidate({
            moduleId: 'buz1',
            type: 'buz',
            version: '1.0.1',
            appVersionRange: '>=8.0.1 <9.0.0',
            commonVersionRange: '^1.0.0',
          }),
        ],
      }),
    (error: unknown) =>
      error instanceof ReleaseSetCompatibilityError && error.reason === 'APP_INCOMPATIBLE',
  )
})

test('ignores equal versions and downgrades', () => {
  const plan = planReleaseSet({
    installed,
    appVersion: '8.0.0',
    nativeApiLevel: 1,
    candidates: [
      candidate({ moduleId: 'common', type: 'common', version: '0.9.0' }),
      candidate({
        moduleId: 'buz2',
        type: 'buz',
        version: '1.0.0',
        commonVersionRange: '^1.0.0',
      }),
    ],
  })
  assert.equal(plan, null)
})