#!/bin/bash

set -euo pipefail

source "$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)/base-test.sh"

run_node_test <<'JS'
const fs = require('fs')

const pluginsDir = path.join(root, 'shell/plugins')
const kindEntryPoints = {
  'bar': 'bar',
  'bar-widget': 'barWidget',
  'menu': 'menu',
  'overlay': 'overlay',
  'panel': 'panel',
  'service': 'service'
}

function isPlainObject(value) {
  return !!value && typeof value === 'object' && !Array.isArray(value)
}

function walk(dir) {
  const rows = []
  for (const entry of fs.readdirSync(dir, { withFileTypes: true })) {
    const fullPath = path.join(dir, entry.name)
    if (entry.isDirectory()) {
      rows.push(...walk(fullPath))
    } else if (entry.isFile() && (entry.name === 'manifest.json' || entry.name.endsWith('.manifest.json'))) {
      rows.push(fullPath)
    }
  }
  return rows.sort()
}

function relativeFromPlugins(filePath) {
  return path.relative(pluginsDir, filePath).split(path.sep).join('/')
}

function sourceDirForManifest(manifestPath) {
  return path.dirname(manifestPath)
}

const errors = []

function check(condition, detail) {
  if (!condition) errors.push(detail)
}

function assertSafeEntryPoint(manifest, manifestPath, key, value) {
  const label = `${manifest.id} ${key} entry point`
  check(typeof value === 'string' && value.length > 0, `${label} must be a non-empty string`)
  check(!path.isAbsolute(value), `${label} must be relative`)
  check(!String(value).split(/[\\/]+/).includes('..'), `${label} must stay inside plugin source`)
  check(fs.existsSync(path.join(sourceDirForManifest(manifestPath), String(value))), `${label} file must exist`)
}

const manifests = walk(pluginsDir)
const manifestPaths = manifests.map(relativeFromPlugins)
const manifestSet = new Set(manifestPaths)
const groupedPluginRoots = new Set(['panels', 'services'])

assert(manifests.length > 0, 'plugin manifests are present')

for (const entry of fs.readdirSync(pluginsDir, { withFileTypes: true })) {
  if (!entry.isDirectory() || groupedPluginRoots.has(entry.name)) continue
  check(
    manifestSet.has(`${entry.name}/manifest.json`),
    `top-level plugin ${entry.name} must have a manifest`
  )
}

for (const groupName of groupedPluginRoots) {
  const groupRoot = path.join(pluginsDir, groupName)
  if (!fs.existsSync(groupRoot)) continue

  for (const entry of fs.readdirSync(groupRoot, { withFileTypes: true })) {
    if (!entry.isDirectory()) continue
    check(
      manifestSet.has(`${groupName}/${entry.name}/manifest.json`),
      `${groupName} plugin ${entry.name} must have a manifest`
    )
  }
}

for (const manifestPath of manifestPaths) {
  const depth = manifestPath.split('/').length
  check(depth >= 2 && depth <= 3, `${manifestPath} must be discoverable by PluginRegistry`)
}

const ids = new Set()
for (const manifestPath of manifests) {
  const relativePath = relativeFromPlugins(manifestPath)
  let manifest = null
  try {
    manifest = JSON.parse(fs.readFileSync(manifestPath, 'utf8'))
  } catch (error) {
    errors.push(`${relativePath} must parse as JSON: ${error.message}`)
    continue
  }

  check(isPlainObject(manifest), `${relativePath} must parse to an object`)
  if (!isPlainObject(manifest)) continue

  check(manifest.schemaVersion === 1, `${relativePath} must use schema version 1`)

  for (const field of ['id', 'name', 'version', 'description']) {
    check(typeof manifest[field] === 'string' && manifest[field].length > 0, `${manifest.id || relativePath} must have ${field}`)
  }

  check(String(manifest.id).startsWith('omarchy.'), `${manifest.id} must use the first-party namespace`)
  check(!String(manifest.id).includes('/') && !String(manifest.id).includes('..'), `${manifest.id} must be safe as a plugin id`)
  check(!ids.has(manifest.id), `${manifest.id} must be unique`)
  ids.add(manifest.id)

  check(Array.isArray(manifest.kinds) && manifest.kinds.length > 0, `${manifest.id} must declare plugin kinds`)
  check(
    JSON.stringify([...new Set(manifest.kinds || [])]) === JSON.stringify(manifest.kinds || []),
    `${manifest.id} must not duplicate plugin kinds`
  )
  check(isPlainObject(manifest.entryPoints), `${manifest.id} must have an entryPoints object`)

  for (const kind of manifest.kinds || []) {
    check(kindEntryPoints[kind], `${manifest.id} must use supported plugin kind ${kind}`)
    const entryPointKey = kindEntryPoints[kind]
    check(manifest.entryPoints && manifest.entryPoints[entryPointKey], `${manifest.id} must declare ${entryPointKey} entry point`)
  }

  for (const key of Object.keys(manifest.entryPoints || {})) {
    check(Object.values(kindEntryPoints).includes(key), `${manifest.id} entry point ${key} must be a supported key`)
    assertSafeEntryPoint(manifest, manifestPath, key, manifest.entryPoints[key])
  }

  if (manifest.keepLoaded !== undefined) {
    check(typeof manifest.keepLoaded === 'boolean', `${manifest.id} keepLoaded must be boolean when present`)
  }

  if ((manifest.kinds || []).includes('bar-widget')) {
    check(isPlainObject(manifest.barWidget), `${manifest.id} must have barWidget metadata`)
    for (const field of ['displayName', 'description', 'category']) {
      check(
        manifest.barWidget && typeof manifest.barWidget[field] === 'string' && manifest.barWidget[field].length > 0,
        `${manifest.id} barWidget metadata must have ${field}`
      )
    }
    check(manifest.barWidget && typeof manifest.barWidget.allowMultiple === 'boolean', `${manifest.id} barWidget allowMultiple must be boolean`)
  }

  if (relativePath.endsWith('.manifest.json')) {
    check(JSON.stringify(manifest.kinds) === JSON.stringify(['bar-widget']), `${manifest.id} sibling manifest must be a bar widget`)
  }
}

assert(errors.length === 0, 'plugin manifests match shell registry contract', errors.join('\n'))
JS