/**
 * Enforces that every src/pages-v2/**.vue page declares
 *   definePage({ meta: { layout: 'OrganizerLayoutV2' } })
 * (or 'PortalLayoutV2' for src/pages-v2/portal/**). Without this a v2
 * page silently falls back to the `default` layout — a no-error
 * wrong-shell bug. RFC-WS-GUI-REDESIGN AD-G2.
 */
'use strict'

module.exports = {
  meta: {
    type: 'problem',
    docs: { description: 'require definePage layout meta on pages-v2' },
    messages: {
      missing: 'pages-v2 page must call definePage({ meta: { layout: ... } }).',
      wrongLayout: 'pages-v2 layout must be {{expected}} (got {{actual}}).',
    },
    schema: [],
  },
  create(context) {
    const filename = (context.filename || context.getFilename() || '').replace(/\\/g, '/')
    if (!filename.includes('src/pages-v2/'))
      return {}

    const expected = filename.includes('src/pages-v2/portal/')
      ? 'PortalLayoutV2'
      : 'OrganizerLayoutV2'

    let sawDefinePage = false

    return {
      CallExpression(node) {
        if (node.callee.type !== 'Identifier' || node.callee.name !== 'definePage')
          return
        sawDefinePage = true

        const arg = node.arguments[0]
        const metaProp = arg && arg.type === 'ObjectExpression'
          ? arg.properties.find(p => p.key && p.key.name === 'meta')
          : null
        const layoutProp = metaProp && metaProp.value.type === 'ObjectExpression'
          ? metaProp.value.properties.find(p => p.key && p.key.name === 'layout')
          : null

        if (!layoutProp || layoutProp.value.value !== expected) {
          context.report({
            node,
            messageId: 'wrongLayout',
            data: { expected, actual: layoutProp ? String(layoutProp.value.value) : 'none' },
          })
        }
      },
      'Program:exit': function (node) {
        if (!sawDefinePage)
          context.report({ node, messageId: 'missing' })
      },
    }
  },
}